Database Users

Need help with a title menu

Hey everyone,
I'm working on a minesweeper-like game for my independent project in school this semester, but I'm running into a but of trouble with the title screen. What I'm trying to do is have a seperate activity launch for MainGame.java and Options.java when their respective buttons are clicked. When I click on Start, it launches the MainGame activity, but whenever I click on Options the app force closes. It's really weird because I'm doing essentially the same thing with both buttons. Here's the code for Title.java, let me know if you need to see anything else:
Code:
package com.freekyfrogy.treasure;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class Title extends Activity implements OnClickListener {
Button buttonStart, buttonScores, buttonOptions, buttonExit;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.title);
buttonStart = (Button) findViewById(R.id.buttonStart);
buttonStart.setOnClickListener(this);
buttonScores = (Button) findViewById(R.id.buttonScores);
buttonScores.setOnClickListener(this);
buttonOptions = (Button) findViewById(R.id.buttonOptions);
buttonOptions.setOnClickListener(this);
buttonExit = (Button) findViewById(R.id.buttonExit);
buttonExit.setOnClickListener(this);
}
public void onClick(View v) {
switch(v.getId()){
case R.id.buttonStart:
if(buttonStart.isPressed()){
startActivity(new Intent(getApplicationContext(),MainGame.class));
}
break;
case R.id.buttonScores:
if(buttonScores.isPressed()){
Toast.makeText(this, R.string.toastComingSoon, Toast.LENGTH_SHORT).show();
}
break;
case R.id.buttonOptions:
if(buttonOptions.isPressed()){
startActivity(new Intent(getApplicationContext(), Options.class));
}
break;
case R.id.buttonExit:
if(buttonExit.isPressed()){
finish();
}
break;
}
}
}

If i had to guess id say you didnt declare both activities in your manifest...
what does the debugger say is the problem?

I declared them both in the manifest, here's it's XML code:
Code:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.freekyfrogy.treasure"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="4" />
<application android:icon="@drawable/icon" android:label="@string/app_name" android:theme="@android:style/Theme.NoTitleBar">
<activity android:name="Title"
android:label="@string/app_name"
android:screenOrientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="MainGame"
android:screenOrientation="portrait">
</activity>
<activity android:name="Options"
android:screenOrientation="portrait">
</activity>
</application>
</manifest>
and the Error I'm getting is this:
Code:
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): FATAL EXCEPTION: main
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.freekyfrogy.treasure/com.freekyfrogy.treasure.Options}: java.lang.NullPointerException
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1664)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1768)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.access$1500(ActivityThread.java:123)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:936)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.os.Handler.dispatchMessage(Handler.java:99)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.os.Looper.loop(Looper.java:123)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.main(ActivityThread.java:3812)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at java.lang.reflect.Method.invokeNative(Native Method)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at java.lang.reflect.Method.invoke(Method.java:507)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at dalvik.system.NativeStart.main(Native Method)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): Caused by: java.lang.NullPointerException
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.Activity.findViewById(Activity.java:1647)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at com.freekyfrogy.treasure.Options.<init>(Options.java:16)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at java.lang.Class.newInstanceImpl(Native Method)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at java.lang.Class.newInstance(Class.java:1409)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1656)
02-28 16:57:54.086: ERROR/AndroidRuntime(17450): ... 11 more

Can you post your Options class? It looks to me like there may be something wrong in there.

Options class:
Code:
package com.freekyfrogy.treasure;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class Options extends Activity implements OnClickListener {
int intX = 5;
int intY = 5;
EditText sizeX = (EditText) findViewById(R.id.editX);
EditText sizeY = (EditText) findViewById(R.id.editY);
Button setXY = (Button) findViewById(R.id.setXY);
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.options);
setXY.setOnClickListener(this);
}
public void onClick(View v) {
String strX = sizeX.getText().toString();
String strY = sizeY.getText().toString();
intX = Integer.parseInt(strX);
intY = Integer.parseInt(strY);
Toast.makeText(this, "this is a toast: "+ intX+ " "+ intY, Toast.LENGTH_SHORT).show();
}
}

Hi freekyfrogy,
you should declare there controls of in onCreate method of Options activity
EditText sizeX = (EditText) findViewById(R.id.editX);
EditText sizeY = (EditText) findViewById(R.id.editY);
Button setXY = (Button) findViewById(R.id.setXY);
your option activity code look like this:
package com.freekyfrogy.treasure;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class Options extends Activity implements OnClickListener {
int intX = 5;
int intY = 5;
Button setXY = (Button) findViewById(R.id.setXY);
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.options);
EditText sizeX = (EditText) findViewById(R.id.editX);
EditText sizeY = (EditText) findViewById(R.id.editY);
setXY.setOnClickListener(this);
}
public void onClick(View v) {
String strX = sizeX.getText().toString();
String strY = sizeY.getText().toString();
intX = Integer.parseInt(strX);
intY = Integer.parseInt(strY);
Toast.makeText(this, "this is a toast: "+ intX+ " "+ intY, Toast.LENGTH_SHORT).show();
}
}

Oh I see now!!! Thanks so much, now it's not force closing haha

[Q] Error - Google Maps Android API v2

Helllo
I have a problem with Google Maps Android API v2
every time I try to open the app on device or even on emulator this message always display
Unfortunately Google Maps API Demos has stopped
I have made a video that Explain every steps that I did
http://www.youtube.com/watch?v=WUmlu3CNOSo
and this is the error that display on Eclipse
ahmadssb.com/ttv2541/com.example.mapdemo.txt
Actually I have tried many tutorials on internet
also I tried to do the coding by myself according to Google instructions
https://developers.google.com/maps/documentation/android/start
and this is the error that display on Eclipse
www.ahmadssb.com/ttv2541/com.example.mapdemo.txt
I don't know what's wrong with this problem
please help me

ahmadssb said:
Helllo
I have a problem with Google Maps Android API v2
every time I try to open the app on device or even on emulator this message always display
Unfortunately Google Maps API Demos has stopped
I have made a video that Explain every steps that I did
http://www.youtube.com/watch?v=WUmlu3CNOSo
and this is the error that display on Eclipse
ahmadssb.com/ttv2541/com.example.mapdemo.txt
Actually I have tried many tutorials on internet
also I tried to do the coding by myself according to Google instructions
https://developers.google.com/maps/documentation/android/start
and this is the error that display on Eclipse
www.ahmadssb.com/ttv2541/com.example.mapdemo.txt
I don't know what's wrong with this problem
please help me
Click to expand...
Click to collapse
Your package name is com.*.
I think that in your AndroidManifest.xml there is a "L" before the com in the definition of your class. It is something like Lcom.*
Remove the L.

My suggestion is to walk through the following tutorial and see if you can get it working and put the demo to the side for now.
http://www.vogella.com/articles/AndroidGoogleMaps/article.html

nikwen said:
Your package name is com.*.
I think that in your AndroidManifest.xml there is a "L" before the com in the definition of your class. It is something like Lcom.*
Remove the L.
Click to expand...
Click to collapse
there is no L on package name ...
AndroidManifest.xml
Code:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.mapdemo"
android:versionCode="2"
android:versionName="2.1.0">
<permission
android:name="com.example.mapdemo.permission.MAPS_RECEIVE"
android:protectionLevel="signature"/>
<uses-permission android:name="com.example.mapdemo.permission.MAPS_RECEIVE"/>
<!-- Copied from Google Maps Library/AndroidManifest.xml. -->
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="16"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<!-- External storage for caching. -->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<!-- My Location -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<!-- Maps API needs OpenGL ES 2.0. -->
<uses-feature
android:glEsVersion="0x00020000"
android:required="true"/>
<!-- End of copy. -->
<application
android:icon="@drawable/ic_launcher"
android:label="@string/demo_title"
android:hardwareAccelerated="true">
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"/>
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity
android:name=".BasicMapActivity"
android:label="@string/basic_map"/>
<activity
android:name=".CameraDemoActivity"
android:label="@string/camera_demo"/>
<activity
android:name=".CircleDemoActivity"
android:label="@string/circle_demo"/>
<activity
android:name=".EventsDemoActivity"
android:label="@string/events_demo"/>
<activity
android:name=".GroundOverlayDemoActivity"
android:label="@string/groundoverlay_demo"/>
<activity
android:name=".LayersDemoActivity"
android:label="@string/layers_demo"/>
<activity
android:name=".LocationSourceDemoActivity"
android:label="@string/locationsource_demo"/>
<activity
android:name=".MarkerDemoActivity"
android:label="@string/marker_demo"/>
<activity
android:name=".OptionsDemoActivity"
android:label="@string/options_demo"/>
<activity
android:name=".PolygonDemoActivity"
android:label="@string/polygon_demo"/>
<activity
android:name=".PolylineDemoActivity"
android:label="@string/polyline_demo"/>
<activity
android:name=".ProgrammaticDemoActivity"
android:label="@string/programmatic_demo"/>
<activity
android:name=".TileOverlayDemoActivity"
android:label="@string/tile_overlay_demo"/>
<activity
android:name=".UiSettingsDemoActivity"
android:label="@string/uisettings_demo"/>
<activity
android:name=".RawMapViewDemoActivity"
android:label="@string/raw_mapview_demo"/>
<activity
android:name=".RetainMapActivity"
android:label="@string/retain_map"/>
<activity
android:name=".MultiMapDemoActivity"
android:label="@string/multi_map_demo"/>
</application>
</manifest>
MainActivity.java
Code:
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.mapdemo;
import android.app.ListActivity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import com.example.mapdemo.view.FeatureView;
/**
* The main activity of the API library demo gallery.
* <p>
* The main layout lists the demonstrated features, with buttons to launch them.
*/
public final class MainActivity extends ListActivity {
/**
* A simple POJO that holds the details about the demo that are used by the List Adapter.
*/
private static class DemoDetails {
/**
* The resource id of the title of the demo.
*/
private final int titleId;
/**
* The resources id of the description of the demo.
*/
private final int descriptionId;
/**
* The demo activity's class.
*/
private final Class<? extends FragmentActivity> activityClass;
public DemoDetails(
int titleId, int descriptionId, Class<? extends FragmentActivity> activityClass) {
super();
this.titleId = titleId;
this.descriptionId = descriptionId;
this.activityClass = activityClass;
}
}
/**
* A custom array adapter that shows a {@link FeatureView} containing details about the demo.
*/
private static class CustomArrayAdapter extends ArrayAdapter<DemoDetails> {
/**
* [user=955119]@param[/user] demos An array containing the details of the demos to be displayed.
*/
public CustomArrayAdapter(Context context, DemoDetails[] demos) {
super(context, R.layout.feature, R.id.title, demos);
}
[user=439709]@override[/user]
public View getView(int position, View convertView, ViewGroup parent) {
FeatureView featureView;
if (convertView instanceof FeatureView) {
featureView = (FeatureView) convertView;
} else {
featureView = new FeatureView(getContext());
}
DemoDetails demo = getItem(position);
featureView.setTitleId(demo.titleId);
featureView.setDescriptionId(demo.descriptionId);
return featureView;
}
}
private static final DemoDetails[] demos = {new DemoDetails(
R.string.basic_map, R.string.basic_description, BasicMapActivity.class),
new DemoDetails(R.string.camera_demo, R.string.camera_description,
CameraDemoActivity.class),
new DemoDetails(R.string.events_demo, R.string.events_description,
EventsDemoActivity.class),
new DemoDetails(R.string.layers_demo, R.string.layers_description,
LayersDemoActivity.class),
new DemoDetails(
R.string.locationsource_demo, R.string.locationsource_description,
LocationSourceDemoActivity.class),
new DemoDetails(R.string.uisettings_demo, R.string.uisettings_description,
UiSettingsDemoActivity.class),
new DemoDetails(R.string.groundoverlay_demo, R.string.groundoverlay_description,
GroundOverlayDemoActivity.class),
new DemoDetails(R.string.marker_demo, R.string.marker_description,
MarkerDemoActivity.class),
new DemoDetails(R.string.polygon_demo, R.string.polygon_description,
PolygonDemoActivity.class),
new DemoDetails(R.string.polyline_demo, R.string.polyline_description,
PolylineDemoActivity.class),
new DemoDetails(R.string.circle_demo, R.string.circle_description,
CircleDemoActivity.class),
new DemoDetails(R.string.tile_overlay_demo, R.string.tile_overlay_description,
TileOverlayDemoActivity.class),
new DemoDetails(R.string.options_demo, R.string.options_description,
OptionsDemoActivity.class),
new DemoDetails(R.string.multi_map_demo, R.string.multi_map_description,
MultiMapDemoActivity.class),
new DemoDetails(R.string.retain_map, R.string.retain_map_description,
RetainMapActivity.class),
new DemoDetails(R.string.raw_mapview_demo, R.string.raw_mapview_description,
RawMapViewDemoActivity.class),
new DemoDetails(R.string.programmatic_demo, R.string.programmatic_description,
ProgrammaticDemoActivity.class)};
[user=439709]@override[/user]
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ListAdapter adapter = new CustomArrayAdapter(this, demos);
setListAdapter(adapter);
}
[user=439709]@override[/user]
protected void onListItemClick(ListView l, View v, int position, long id) {
DemoDetails demo = (DemoDetails) getListAdapter().getItem(position);
startActivity(new Intent(this, demo.activityClass));
}
}

zalez said:
My suggestion is to walk through the following tutorial and see if you can get it working and put the demo to the side for now.
http://www.vogella.com/articles/AndroidGoogleMaps/article.html
Click to expand...
Click to collapse
It does not find the class definition because the path is spelled wrong!

nikwen said:
It does not find the class definition because the path is spelled wrong!
Click to expand...
Click to collapse
Incorrect. The "L" means Link.
http://stackoverflow.com/questions/13733911/google-maps-android-api-v2-sample-code-crashes

zalez said:
My suggestion is to walk through the following tutorial and see if you can get it working and put the demo to the side for now.
http://www.vogella.com/articles/AndroidGoogleMaps/article.html
Click to expand...
Click to collapse
I tried his tutorial and I still same error displayed
AndroidManifest.xml
Code:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.vogella.android.locationapi.maps"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="17"
android:targetSdkVersion="17" />
<permission
android:name="com.vogella.android.locationapi.maps.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
<uses-permission android:name="com.vogella.android.locationapi.maps.permission.MAPS_RECEIVE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.vogella.android.locationapi.maps.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value=".................................................." />
</application>
</manifest>
ShowMapActivity.java
Code:
package com.vogella.android.locationapi.maps;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
public class ShowMapActivity extends Activity {
static final LatLng HAMBURG = new LatLng(53.558, 9.927);
static final LatLng KIEL = new LatLng(53.551, 9.993);
private GoogleMap map;
[user=439709]@override[/user]
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_show_map);
map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map))
.getMap();
Marker hamburg = map.addMarker(new MarkerOptions().position(HAMBURG)
.title("Hamburg"));
Marker kiel = map.addMarker(new MarkerOptions()
.position(KIEL)
.title("Kiel")
.snippet("Kiel is cool")
.icon(BitmapDescriptorFactory
.fromResource(R.drawable.ic_launcher)));
// Move the camera instantly to hamburg with a zoom of 15.
map.moveCamera(CameraUpdateFactory.newLatLngZoom(HAMBURG, 15));
// Zoom in, animating the camera.
map.animateCamera(CameraUpdateFactory.zoomTo(10), 2000, null);
}
[user=439709]@override[/user]
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.show_map, menu);
return true;
}
}
Error Log
Code:
04-24 05:09:39.576: E/Trace(10600): error opening trace file: No such file or directory (2)
04-24 05:09:39.741: D/dalvikvm(10600): Trying to load lib /data/app-lib/com.google.android.gms-2/libAppDataSearch.so 0x4215ea30
04-24 05:09:39.806: D/dalvikvm(10600): Added shared lib /data/app-lib/com.google.android.gms-2/libAppDataSearch.so 0x4215ea30
04-24 05:09:39.806: D/dalvikvm(10600): No JNI_OnLoad found in /data/app-lib/com.google.android.gms-2/libAppDataSearch.so 0x4215ea30, skipping init
04-24 05:09:39.811: D/Icing(10600): Init last flush num docs 170 last docstore size 431104
04-24 05:09:39.811: D/Icing(10600): Docid map file has data, scanning...
04-24 05:09:39.811: D/Icing(10600): Scanning /data/data/com.google.android.gms/files/AppDataSearch/main/cur/ds.docids found 170 documents, last docstore location 429312
04-24 05:09:39.811: D/Icing(10600): File /data/data/com.google.android.gms/files/AppDataSearch/main/cur/ds.perdocdata contains 170 records of size 6
04-24 05:09:39.816: D/Icing(10600): Init docstore ok num docs 170 bytes 431104
04-24 05:09:39.831: V/Icing(10600): Lite index crc computed in 0.079ms
04-24 05:09:39.831: V/Icing(10600): Lite index init ok in 1.932ms
04-24 05:09:39.831: V/Icing(10600): Warming lite-index took 0.011ms
04-24 05:09:39.831: V/Icing(10600): Warming lexicon took 0.020ms
04-24 05:09:39.831: V/Icing(10600): Warming display mappings took 0.012ms
04-24 05:09:39.831: D/Icing(10600): Init index ok num docs 170
04-24 05:09:39.831: D/Icing(10600): Init done
04-24 05:09:39.866: E/Icing(10600): Not enough disk space. Will not index.
04-24 05:09:57.391: I/Recovery(10600): Received: Intent { act=com.google.android.gms.INITIALIZE flg=0x10 pkg=com.google.android.gms cmp=com.google.android.gms/.recovery.AccountRecoveryService$Receiver }
04-24 05:09:57.806: I/Recovery(10600): Received: Intent { act=com.google.android.gms.INITIALIZE flg=0x10 pkg=com.google.android.gms cmp=com.google.android.gms/.recovery.AccountRecoveryService$Receiver }
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}

04-24 05:09:39.866: E/Icing(10600): Not enough disk space. Will not index.
are you out of space?

out of ideas said:
04-24 05:09:39.866: E/Icing(10600): Not enough disk space. Will not index.
are you out of space?
Click to expand...
Click to collapse
i didn't understand what this error means or want !!! because I have more than enough space for simple program like this
if it means my PC then I have more than enough space on my SSD hard drive and RAM is 8 GB
also when I check the task manege
RAM : 61%
CPU almost 18%
and for my phone (GS2 using CyanogenMod 10.1):
System ROM: 528 MB (159 MB free)
Internal : 2.11 GB (886 MB free)
media : 12.3 GB (4.8 GB free)
Ext. SD card : 15.7 GB (14.5 GB free)

weird. are you still getting the same fatal exception error?
So, your activity where the map is should extend a fragment activity cuz the maps are now fragments. You should also go with SupportMapFragment so gingerbread can use it too.
im using something like this for my MainActivity
Code:
import android.support.v4.app.FragmentActivity;
import android.view.View;
//There are other imports, these are map things
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
//Notice the FragmentActivity difference?
public class MainActivity extends FragmentActivity {
private GoogleMap mMap;
[user=439709]@override[/user]
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setUpMapIfNeeded();
}
and then my layout that gets setup from there is like this
Code:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"/>
</RelativeLayout>
this site has some good tutorials on the maps. I couldnt get vogella to work for me either.
http://wptrafficanalyzer.in/blog/go...maps-android-api-v2-using-supportmapfragment/

out of ideas said:
weird. are you still getting the same fatal exception error?
So, your activity where the map is should extend a fragment activity cuz the maps are now fragments. You should also go with SupportMapFragment so gingerbread can use it too.
im using something like this for my MainActivity
Code:
import android.support.v4.app.FragmentActivity;
import android.view.View;
//There are other imports, these are map things
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
//Notice the FragmentActivity difference?
public class MainActivity extends FragmentActivity {
private GoogleMap mMap;
[user=439709]@override[/user]
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setUpMapIfNeeded();
}
and then my layout that gets setup from there is like this
Code:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"/>
</RelativeLayout>
this site has some good tutorials on the maps. I couldnt get vogella to work for me either.
http://wptrafficanalyzer.in/blog/go...maps-android-api-v2-using-supportmapfragment/
Click to expand...
Click to collapse
thank you for the link, but I still getting the same error in my phone (Galaxy S 2, ROM CyanogenMod 10.1 )
also using the emulator with 2 AVD for (4.2.2) and (4.2.2 with Google API)
still not working
I start to think (and maybe it is ) that the problem is not from the code the problem is from my phone or the setting in my PC or Eclipse
while any other application is working fine with me except that using google apis key (actually I didn't try any thing that needs api key and this is my first time using it)
BTW this is the result from the tutorial from the link that you gave to me
====================================================
Log:
——-
Code:
04-26 01:28:57.494: D/dalvikvm(5121): Late-enabling CheckJNI
04-26 01:28:57.629: E/Trace(5121): error opening trace file: No such file or directory (2)
04-26 01:28:57.659: D/AndroidRuntime(5121): Shutting down VM
04-26 01:28:57.659: W/dalvikvm(5121): threadid=1: thread exiting with uncaught exception (group=0x41ff7930)
04-26 01:28:57.679: E/AndroidRuntime(5121): FATAL EXCEPTION: main
04-26 01:28:57.679: E/AndroidRuntime(5121): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.ahmadssb.locationgooglemapv2demo/in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity}: java.lang.ClassNotFoundException: Didn’t find class “in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity” on path: /data/app/com.ahmadssb.locationgooglemapv2demo-1.apk
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2223)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2357)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.access$600(ActivityThread.java:153)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1247)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.os.Handler.dispatchMessage(Handler.java:99)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.os.Looper.loop(Looper.java:137)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.main(ActivityThread.java:5226)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.reflect.Method.invokeNative(Native Method)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.reflect.Method.invoke(Method.java:511)
04-26 01:28:57.679: E/AndroidRuntime(5121): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
04-26 01:28:57.679: E/AndroidRuntime(5121): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
04-26 01:28:57.679: E/AndroidRuntime(5121): at dalvik.system.NativeStart.main(Native Method)
04-26 01:28:57.679: E/AndroidRuntime(5121): Caused by: java.lang.ClassNotFoundException: Didn’t find class “in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity” on path: /data/app/com.ahmadssb.locationgooglemapv2demo-1.apk
04-26 01:28:57.679: E/AndroidRuntime(5121): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2214)
04-26 01:28:57.679: E/AndroidRuntime(5121): … 11 more
——
AndroidManifest.xml
——-
Code:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.ahmadssb.locationgooglemapv2demo"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<permission
android:name="com.ahmadssb.locationgooglemapv2demo.permission.MAPS_RECEIVE"
android:protectionLevel="signature"/>
<uses-permission android:name="com.ahmadssb.locationgooglemapv2demo.permission.MAPS_RECEIVE"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-feature
android:glEsVersion="0x00020000"
android:required="true"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="************MY API KEY***********"/>
</application>
</manifest>
——-
MainActivity.java
———-
Code:
package com.ahmadssb.locationgooglemapv2demo;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.Menu;
public class MainActivity extends FragmentActivity {
[user=439709]@override[/user]
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
[user=439709]@override[/user]
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
——
activity_main.xml
———-
<
Code:
RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"/>
</RelativeLayout>
———–

If I get some time, I will try the demo out to help more. I created my google maps app back before you had to import the library.
To me, your manifest looks off.
Code:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
[B] package="com.ahmadssb.locationgooglemapv2demo"[/B]
android:versionCode="1"
android:versionName="1.0" >
The bold is your package. When you define your activity name, it should either resemble your package plus your activity name. Your activity name doesn't look right (Look at below code).
Code:
<activity
android:name="[B]in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity[/B]"
android:label="@string/app_name" >
You should fix your activity name in your manifest first. Get rid of "in.wptrafficanalyzer.locationgooglemapv2demo" and just leave ".MainActivity" (be sure to leave the period in front of it)

ahmadssb said:
thank you for the link, but I still getting the same error in my phone (Galaxy S 2, ROM CyanogenMod 10.1 )
also using the emulator with 2 AVD for (4.2.2) and (4.2.2 with Google API)
still not working
I start to think (and maybe it is ) that the problem is not from the code the problem is from my phone or the setting in my PC or Eclipse
while any other application is working fine with me except that using google apis key (actually I didn't try any thing that needs api key and this is my first time using it)
BTW this is the result from the tutorial from the link that you gave to me
====================================================
Log:
——-
Code:
04-26 01:28:57.494: D/dalvikvm(5121): Late-enabling CheckJNI
04-26 01:28:57.629: E/Trace(5121): error opening trace file: No such file or directory (2)
04-26 01:28:57.659: D/AndroidRuntime(5121): Shutting down VM
04-26 01:28:57.659: W/dalvikvm(5121): threadid=1: thread exiting with uncaught exception (group=0x41ff7930)
04-26 01:28:57.679: E/AndroidRuntime(5121): FATAL EXCEPTION: main
04-26 01:28:57.679: E/AndroidRuntime(5121): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.ahmadssb.locationgooglemapv2demo/in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity}: java.lang.ClassNotFoundException: Didn’t find class “in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity” on path: /data/app/com.ahmadssb.locationgooglemapv2demo-1.apk
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2223)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2357)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.access$600(ActivityThread.java:153)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1247)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.os.Handler.dispatchMessage(Handler.java:99)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.os.Looper.loop(Looper.java:137)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.main(ActivityThread.java:5226)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.reflect.Method.invokeNative(Native Method)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.reflect.Method.invoke(Method.java:511)
04-26 01:28:57.679: E/AndroidRuntime(5121): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
04-26 01:28:57.679: E/AndroidRuntime(5121): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
04-26 01:28:57.679: E/AndroidRuntime(5121): at dalvik.system.NativeStart.main(Native Method)
04-26 01:28:57.679: E/AndroidRuntime(5121): Caused by: java.lang.ClassNotFoundException: Didn’t find class “in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity” on path: /data/app/com.ahmadssb.locationgooglemapv2demo-1.apk
04-26 01:28:57.679: E/AndroidRuntime(5121): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2214)
04-26 01:28:57.679: E/AndroidRuntime(5121): … 11 more
——
You're getting closer
you got enough space, now you're error is this
Caused by: java.lang.ClassNotFoundException: Didn’t find class “in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity” on path: /data/app/com.ahmadssb.locationgooglemapv2demo-1.apk
04-26 01:28:57.679:
You changed the name of your package, but left the references from the tutorial the same.
switch EVERYTHING that says "in.wptrafficanalyzer....." etc. and change them to "com.ahmadssb......"
the api key stuff doesn't really matter till you get it up and running. If you typed in the wrong api key, your program would still load normally, but you just get a gray background where the map should be.
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Click to expand...
Click to collapse

out of ideas said:
ahmadssb said:
thank you for the link, but I still getting the same error in my phone (Galaxy S 2, ROM CyanogenMod 10.1 )
also using the emulator with 2 AVD for (4.2.2) and (4.2.2 with Google API)
still not working
I start to think (and maybe it is ) that the problem is not from the code the problem is from my phone or the setting in my PC or Eclipse
while any other application is working fine with me except that using google apis key (actually I didn't try any thing that needs api key and this is my first time using it)
BTW this is the result from the tutorial from the link that you gave to me
====================================================
Log:
——-
Code:
04-26 01:28:57.494: D/dalvikvm(5121): Late-enabling CheckJNI
04-26 01:28:57.629: E/Trace(5121): error opening trace file: No such file or directory (2)
04-26 01:28:57.659: D/AndroidRuntime(5121): Shutting down VM
04-26 01:28:57.659: W/dalvikvm(5121): threadid=1: thread exiting with uncaught exception (group=0x41ff7930)
04-26 01:28:57.679: E/AndroidRuntime(5121): FATAL EXCEPTION: main
04-26 01:28:57.679: E/AndroidRuntime(5121): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.ahmadssb.locationgooglemapv2demo/in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity}: java.lang.ClassNotFoundException: Didn’t find class “in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity” on path: /data/app/com.ahmadssb.locationgooglemapv2demo-1.apk
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2223)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2357)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.access$600(ActivityThread.java:153)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1247)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.os.Handler.dispatchMessage(Handler.java:99)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.os.Looper.loop(Looper.java:137)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.main(ActivityThread.java:5226)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.reflect.Method.invokeNative(Native Method)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.reflect.Method.invoke(Method.java:511)
04-26 01:28:57.679: E/AndroidRuntime(5121): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
04-26 01:28:57.679: E/AndroidRuntime(5121): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
04-26 01:28:57.679: E/AndroidRuntime(5121): at dalvik.system.NativeStart.main(Native Method)
04-26 01:28:57.679: E/AndroidRuntime(5121): Caused by: java.lang.ClassNotFoundException: Didn’t find class “in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity” on path: /data/app/com.ahmadssb.locationgooglemapv2demo-1.apk
04-26 01:28:57.679: E/AndroidRuntime(5121): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
04-26 01:28:57.679: E/AndroidRuntime(5121): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
04-26 01:28:57.679: E/AndroidRuntime(5121): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2214)
04-26 01:28:57.679: E/AndroidRuntime(5121): … 11 more
——
You're getting closer
you got enough space, now you're error is this
Caused by: java.lang.ClassNotFoundException: Didn’t find class “in.wptrafficanalyzer.locationgooglemapv2demo.MainActivity” on path: /data/app/com.ahmadssb.locationgooglemapv2demo-1.apk
04-26 01:28:57.679:
You changed the name of your package, but left the references from the tutorial the same.
switch EVERYTHING that says "in.wptrafficanalyzer....." etc. and change them to "com.ahmadssb......"
the api key stuff doesn't really matter till you get it up and running. If you typed in the wrong api key, your program would still load normally, but you just get a gray background where the map should be.
Click to expand...
Click to collapse
thanks for the help
It works now but not after fix the package name only
but I did some modification and organization for libraries something at top and rest bottom also copy the libraries to workplace not use it from the android directory
Actually I don't know exactly how did this works but finally it works :victory:
thank you all for your help
Click to expand...
Click to collapse
Click to expand...
Click to collapse
Click to expand...
Click to collapse

Camera Preview

Im trying to start a simple app and i need to display on a SurfaceView the preview of the cam as soon as the App start.
i added the permission to the manifest:
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
and my code:
Code:
import android.content.Context;
import android.hardware.Camera;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class MainActivity extends SurfaceView implements SurfaceHolder.Callback{
SurfaceView mSurfaceView;
private SurfaceHolder mHolder;
public Camera camera = null;
public MainActivity(Context context) {
super(context);
mSurfaceView = (SurfaceView) findViewById(R.id.surfaceView);
mHolder = mSurfaceView.getHolder();
mHolder.addCallback(this);
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
[user=439709]@override[/user]
public void surfaceCreated(SurfaceHolder holder) {
camera = Camera.open();
try{
camera.setPreviewDisplay(mHolder);
} catch(Exception e){
}
}
[user=439709]@override[/user]
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
Camera.Parameters params = camera.getParameters();
params.setPreviewSize(width,height);
camera.setParameters(params);
camera.startPreview();
}
[user=439709]@override[/user]
public void surfaceDestroyed(SurfaceHolder holder) {
camera.stopPreview();
camera = null;
}
}
Ive looked for many tutorial and all technically do the same or smiliart stuff. But the app crashes. I cant find a solution
LogCat
Code:
06-01 12:39:12.456 616-841/system_process I/ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.example.droidcam/.MainActivity bnds=[240,408][240,408]} from pid 861
06-01 12:39:12.596 616-841/system_process D/dalvikvm: GC_FOR_ALLOC freed 1352K, 16% free 11518K/13560K, paused 112ms, total 118ms
06-01 12:39:12.636 2744-2744/? D/dalvikvm: Late-enabling CheckJNI
06-01 12:39:12.646 616-881/system_process I/ActivityManager: Start proc com.example.droidcam for activity com.example.droidcam/.MainActivity: pid=2744 uid=10019 gids={50019, 1006, 1028}
06-01 12:39:12.746 2744-2744/com.example.droidcam E/Trace: error opening trace file: No such file or directory (2)
06-01 12:39:12.826 2744-2744/com.example.droidcam D/dalvikvm: newInstance failed: no <init>()
06-01 12:39:12.836 2744-2744/com.example.droidcam D/AndroidRuntime: Shutting down VM
06-01 12:39:12.836 2744-2744/com.example.droidcam W/dalvikvm: threadid=1: thread exiting with uncaught exception (group=0x2b5d9930)
06-01 12:39:12.836 2744-2744/com.example.droidcam E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.droidcam/com.example.droidcam.MainActivity}: java.lang.InstantiationException: can't instantiate class com.example.droidcam.MainActivity; no empty constructor
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2223)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2357)
at android.app.ActivityThread.access$600(ActivityThread.java:153)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1247)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5226)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.InstantiationException: can't instantiate class com.example.droidcam.MainActivity; no empty constructor
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java:1319)
at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2214)
... 11 more
06-01 12:39:12.836 616-1341/system_process W/ActivityManager: Force finishing activity com.example.droidcam/.MainActivity
06-01 12:39:12.986 616-650/system_process D/dalvikvm: GC_FOR_ALLOC freed 1696K, 24% free 10472K/13772K, paused 76ms, total 77ms
06-01 12:39:13.387 616-647/system_process W/ActivityManager: Activity pause timeout for ActivityRecord{2bd8aff0 u0 com.example.droidcam/.MainActivity}
06-01 12:39:18.952 2744-2744/? I/Process: Sending signal. PID: 2744 SIG: 9
06-01 12:39:18.952 616-943/system_process I/ActivityManager: Process com.example.droidcam (pid 2744) has died.
06-01 12:39:19.002 616-616/system_process W/InputMethodManagerService: Window already focused, ignoring focus gain of: [email protected] attribute=null, token = [email protected]

Please put your code into code tags.
EDIT: Thanks.

and Post/check logcats.
just saying it crashes is too vague.

out of ideas said:
and Post/check logcats.
just saying it crashes is too vague.
Click to expand...
Click to collapse
On Eclipse i know how to show the windows of the LogCat, but cant really find it here on Android Studio.
Im a bit newby about this sorry, coming from PHP using just Notepad.
Guess i found it, added log cat
I saw some tutorial like this, im not sure why it doesnt start.
Is it for te onCreate method missing? but i saw that for other works anyway like this
Btw i've also triyed an other way, but stills give me errors. i could upload that one too, different logcat.
Hope one of the two could be solved
Code:
import android.app.Activity;
import android.hardware.Camera;
import android.os.Bundle;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import java.io.IOException;
public class MainActivity extends Activity implements SurfaceHolder.Callback{
/* VARIABILI PRIVATE */
private SurfaceView mSurfaceView;
private SurfaceHolder mSurfaceHolder;
private Camera mCamera;
/** Called when the activity is first created. */
[user=439709]@override[/user]
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mSurfaceView = (SurfaceView)findViewById(R.id.surfaceView);
mSurfaceHolder = mSurfaceView.getHolder();
mSurfaceHolder.addCallback(this);
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
[user=439709]@override[/user]
public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
Camera.Parameters params = mCamera.getParameters();
params.setPreviewSize(arg2, arg3);
mCamera.setParameters(params);
try {
//lancio la preview
mCamera.setPreviewDisplay(arg0);
mCamera.startPreview();
} catch (IOException e) {
//gestione errore
}
}
[user=439709]@override[/user]
public void surfaceCreated(SurfaceHolder holder) {
mCamera = Camera.open();
}
[user=439709]@override[/user]
public void surfaceDestroyed(SurfaceHolder holder) {
mCamera.stopPreview();
mCamera.release();
}
logcat
Code:
06-01 13:32:31.187 616-661/system_process I/ActivityManager: Start proc com.android.vending for service com.android.vending/com.google.android.finsky.services.ContentSyncService: pid=25552 uid=10005 gids={50005, 3003, 1015, 1028}
06-01 13:32:31.227 25552-25552/com.android.vending E/Trace: error opening trace file: No such file or directory (2)
06-01 13:32:31.387 616-841/system_process I/ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.example.droidcam/.MainActivity bnds=[240,408][240,408]} from pid 861
06-01 13:32:31.437 25566-25566/? D/dalvikvm: Late-enabling CheckJNI
06-01 13:32:31.447 616-1341/system_process I/ActivityManager: Start proc com.example.droidcam for activity com.example.droidcam/.MainActivity: pid=25566 uid=10019 gids={50019, 1006, 1028}
06-01 13:32:31.607 25566-25566/com.example.droidcam E/Trace: error opening trace file: No such file or directory (2)
06-01 13:32:31.787 25552-25552/com.android.vending D/Finsky: [1] FinskyApp.onCreate: Initializing network with DFE https://android.clients.google.com/fdfe/
06-01 13:32:31.987 25552-25552/com.android.vending D/Finsky: [1] DailyHygiene.goMakeHygieneIfDirty: No need to run daily hygiene.
06-01 13:32:32.037 25552-25552/com.android.vending W/Settings: Setting download_manager_max_bytes_over_mobile has moved from android.provider.Settings.Secure to android.provider.Settings.Global.
06-01 13:32:32.037 25552-25552/com.android.vending W/Settings: Setting download_manager_recommended_max_bytes_over_mobile has moved from android.provider.Settings.Secure to android.provider.Settings.Global.
06-01 13:32:32.178 616-881/system_process D/dalvikvm: GC_FOR_ALLOC freed 656K, 26% free 11321K/15124K, paused 82ms, total 86ms
06-01 13:32:32.238 25566-25566/com.example.droidcam D/libEGL: loaded /system/lib/egl/libEGL_adreno200.so
06-01 13:32:32.258 25566-25566/com.example.droidcam D/libEGL: loaded /system/lib/egl/libGLESv1_CM_adreno200.so
06-01 13:32:32.258 25566-25566/com.example.droidcam D/libEGL: loaded /system/lib/egl/libGLESv2_adreno200.so
06-01 13:32:32.268 25566-25566/com.example.droidcam I/Adreno200-EGL: <qeglDrvAPI_eglInitialize:294>: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_JB.04.01.01.00.036_msm8960_JB_CL2644550_release_AU (CL2644550)
Build Date: 07/31/12 Tue
Local Branch:
Remote Branch: quic/master
Local Patches: NONE
Reconstruct Branch: AU_LINUX_ANDROID_JB.04.01.01.00.036 + NOTHING
06-01 13:32:32.318 25566-25566/com.example.droidcam D/OpenGLRenderer: Enabling debug mode 0
06-01 13:32:32.348 256-515/? I/AwesomePlayer: setDataSource_l(URL suppressed)
06-01 13:32:32.378 256-25622/? D/MediaExtractor: returning default extractor
06-01 13:32:32.388 256-515/? I/AwesomePlayer: setDataSource_l(URL suppressed)
06-01 13:32:32.408 256-25626/? D/MediaExtractor: returning default extractor
06-01 13:32:32.408 256-515/? I/CameraClient: Opening camera 0
06-01 13:32:32.408 256-515/? W/ServiceManager: Permission failure: com.sonyericsson.permission.CAMERA_EXTENDED from uid=10019 pid=25566
06-01 13:32:32.438 256-25630/? I/caladbolg: 3348999538 cald_camctrl.c (6713) 25630 P [SVR] -945967758 + Cald_CamCtrl_PowerUp
06-01 13:32:32.438 256-25630/? I/caladbolg: 3348999630 cald_camctrl.c (7484) 25630 P [SVR] -945967666 + Cald_CamCtrl_FSM_Func_PowerUp
06-01 13:32:32.438 256-25630/? I/caladbolg: 3349003170 cald_hal_qct.c (2789) 25630 P [HAL] -945964126 + Cald_Hal_Qct_If_PowerUp
06-01 13:32:32.438 256-25630/? I/caladbolg: 3349003323 cald_hal_qct.c (2847) 25630 P [HAL] -945963973 - Cald_Hal_Qct_If_PowerUp (0)
06-01 13:32:32.438 256-25630/? I/caladbolg: 3349004665 cald_camctrl.c (7563) 25630 P [SVR] -945962631 - Cald_CamCtrl_FSM_Func_PowerUp (0)
06-01 13:32:32.438 256-25630/? I/caladbolg: 3349004726 cald_camctrl.c (6720) 25630 P [SVR] -945962570 - Cald_CamCtrl_PowerUp (0)
06-01 13:32:32.448 256-25630/? E/caladbolg: 3349014431 cald_camctrl.c (11888) 25630 E [SVR] PreviewSize Invalid param: value[402x527]
06-01 13:32:32.458 25566-25566/com.example.droidcam D/AndroidRuntime: Shutting down VM
06-01 13:32:32.458 25566-25566/com.example.droidcam W/dalvikvm: threadid=1: thread exiting with uncaught exception (group=0x2b5d9930)
06-01 13:32:32.488 25566-25566/com.example.droidcam E/AndroidRuntime: FATAL EXCEPTION: main
java.lang.RuntimeException: setParameters failed
at android.hardware.Camera.native_setParameters(Native Method)
at android.hardware.Camera.setParameters(Camera.java:1496)
at com.example.droidcam.MainActivity.surfaceChanged(MainActivity.java:41)
at android.view.SurfaceView.updateWindow(SurfaceView.java:580)
at android.view.SurfaceView.access$000(SurfaceView.java:86)
at android.view.SurfaceView$3.onPreDraw(SurfaceView.java:174)
at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:680)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1842)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:989)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4351)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
at android.view.Choreographer.doCallbacks(Choreographer.java:562)
at android.view.Choreographer.doFrame(Choreographer.java:532)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5226)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
at dalvik.system.NativeStart.main(Native Method)
06-01 13:32:32.498 616-943/system_process W/ActivityManager: Force finishing activity com.example.droidcam/.MainActivity
06-01 13:32:32.688 25552-25552/com.android.vending D/Finsky: [1] 2.run: Loaded library for account: [i1YaFxIWaZrcOQ26zxNX5K0RvvY]
06-01 13:32:32.688 25552-25552/com.android.vending D/Finsky: [1] 2.run: Finished loading 1 libraries.
06-01 13:32:32.908 25552-25552/com.android.vending D/Finsky: [1] 5.onFinished: Installation state replication succeeded.
06-01 13:32:33.018 616-647/system_process W/ActivityManager: Activity pause timeout for ActivityRecord{2b946870 u0 com.example.droidcam/.MainActivity}

In Android you normally do not use the constructor of an Activity for anything.
Use the onCreate method instead.
EDIT: The log says that the constructor must be empty.

nikwen said:
In Android you normally do not use the constructor of an Activity for anything.
Use the onCreate method instead.
EDIT: The log says that the constructor must be empty.
Click to expand...
Click to collapse
I thought about that (even if i saw video tutorial doing it) so i tried wht onCreate method and now it seams to give problem with the setParameters?
Ive uploaded the new code and logcats before

Ah. Check this: http://stackoverflow.com/questions/3890381/camera-setparameters-failed-in-android

nikwen said:
Ah. Check this: http://stackoverflow.com/questions/3890381/camera-setparameters-failed-in-android
Click to expand...
Click to collapse
i tryed that at th beggin, and didnt work, in fact i tried it again and still give me the same error apparently

While I'm still learning myself, it looks like you are getting a failed camera permission. And then it tries to pass in an invalid parameter to the camera.
deniel said:
I/CameraClient: Opening camera 0
06-01 13:32:32.408 256-515/? W/ServiceManager: Permission failure: com.sonyericsson.permission.CAMERA_EXTENDED from uid=10019 pid=25566
06-01 13:32:32.448 256-25630/? E/caladbolg: 3349014431 cald_camctrl.c (11888) 25630 E [SVR] PreviewSize Invalid param: value[402x527]
[/CODE]
Click to expand...
Click to collapse
Sent from a Toasted Devil

netwokz said:
While I'm still learning myself, it looks like you are getting a failed camera permission. And then it tries to pass in an invalid parameter to the camera.
Sent from a Toasted Devil
Click to expand...
Click to collapse
But cant understand which one and how should i do. it ryed the 2 ways everybody does

What phone are you trying this on? Have you tried it in an emulator?

After getting home and I was able to try your second piece of code. It looks like it is a problem with <CODE>params.setPreviewSize(arg2, arg3);</CODE>, it doesn't like the width and height arguments. I found THIS(second answer). and after plugging it into your code it was working for me. If you like I can show you the modified code, altho its real easy to plug in.

netwokz said:
After getting home and I was able to try your second piece of code. It looks like it is a problem with <CODE>params.setPreviewSize(arg2, arg3);</CODE>, it doesn't like the width and height arguments. I found THIS(second answer). and after plugging it into your code it was working for me. If you like I can show you the modified code, altho its real easy to plug in.
Click to expand...
Click to collapse
i tryed his first example and finally i get his "distoted" image. When i'll have time ill try the rets thnk u very much
ill try this:
Code:
Camera.Size getBestPreviewSize(int width, int height, Camera.Parameters parameters) {
Camera.Size result=null;
float dr = Float.MAX_VALUE;
float ratio = (float)width/(float)height;
for (Camera.Size size : parameters.getSupportedPreviewSizes()) {
float r = (float)size.width/(float)size.height;
if( Math.abs(r - ratio) < dr && size.width <= width && size.height <= height ) {
dr = Math.abs(r - ratio);
result = size;
}
}
return result;
}
Code:
ublic void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
// Now that the size is known, set up the camera parameters and begin
// the preview.
if (isPreviewRunning) {
mCamera.stopPreview();
}
Camera.Parameters parameters = mCamera.getParameters();
List<Size> sizes = parameters.getSupportedPreviewSizes();
Size optimalSize = getBestPreviewSize( w, h, parameters);
parameters.setPreviewSize(optimalSize.width, optimalSize.height);
mCamera.setParameters(parameters);
mCamera.startPreview();
isPreviewRunning =true;
}
im not sure abot the 3rd parameter of the getBestPreviewSize method which one is it. Like this is still distorted

Yeah, I could never fix the distortion back when I was trying my camera app. But I think I will tinker with it again. Keep this updated if you find anything, I will also.
Sent from a Toasted Devil

[Q] Error receiving Intent from IntentService

I'm trying to make an app that displays and image which will be downloaded in background in an IntentService class. When the IntentService finishes to download it sends the intent to be catched by a BroadcastReceiver in the MainActivity but I'm getting this error:
Code:
07-17 14:27:21.003 19189-19189/com.example.matt95.myapplication E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.example.matt95.myapplication, PID: 19189
java.lang.RuntimeException: Error receiving broadcast Intent { act=TRANSACTION_DONE flg=0x10 (has extras) } in [email protected]
at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java)
at android.os.Handler.handleCallback(Handler.java)
at android.os.Handler.dispatchMessage(Handler.java)
at android.os.Looper.loop(Looper.java)
at android.app.ActivityThread.main(ActivityThread.java)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at com.example.matt95.myapplication.MyActivity$1.onReceive(MyActivity.java:74)
************at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java)
************at android.os.Handler.handleCallback(Handler.java)
************at android.os.Handler.dispatchMessage(Handler.java)
************at android.os.Looper.loop(Looper.java)
************at android.app.ActivityThread.main(ActivityThread.java)
************at java.lang.reflect.Method.invokeNative(Native Method)
************at java.lang.reflect.Method.invoke(Method.java)
This is MainActivity class:
Code:
package com.example.matt95.myapplication;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ImageView;
import android.widget.Toast;
import java.io.File;
public class MyActivity extends Activity {
ProgressDialog pd;
// Custom BroadcastReceiver for catching and showing images
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
}
@Override
protected void onStart() {
super.onStart();
Intent i = new Intent(this, ImageIntentService.class);
i.putExtra("url", "http://samsung-wallpapers.com/uploads/allimg/130527/1-13052F02118.jpg");
startService(i);
pd = ProgressDialog.show(this, "Fetching image", "Go intent service go!");
}
@Override
protected void onResume() {
super.onResume();
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction(ImageIntentService.TRANSACTION_DONE);
registerReceiver(imageReceiver, intentFilter);
}
@Override
protected void onPause() {
super.onPause();
unregisterReceiver(imageReceiver);
}
private BroadcastReceiver imageReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String location = intent.getExtras().getString("imageLocation");
if (location == null || location.length() == 0) {
String failedString = "Failed to download image";
Toast.makeText(context, failedString, Toast.LENGTH_LONG).show();
}
File imageFile = new File(location);
if (!imageFile.exists()) {
pd.dismiss();
String downloadFail = "Unable to download the image";
Toast.makeText(context, downloadFail, Toast.LENGTH_LONG).show();
return;
}
Bitmap image = BitmapFactory.decodeFile(location);
ImageView iv = (ImageView) findViewById(R.id.show_image);
iv.setImageBitmap(image);
pd.dismiss();
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.my, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
This is the IntentService class:
Code:
package com.example.matt95.myapplication;
import android.app.IntentService;
import android.content.Intent;
import android.os.Environment;
import android.util.Log;
import android.widget.Toast;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
public class ImageIntentService extends IntentService {
private File cacheDir;
private static final String CACHE_FOLDER = "/myapp/image_cache/";
public static String TRANSACTION_DONE = "com.example.matt95.myapplication.ImageIntentService.TRANSACTION_DONE";
//Constructor method
public ImageIntentService() {
super("ImageIntentService");
}
@Override
public void onCreate() {
super.onCreate();
String tmpLocation = Environment.getExternalStorageDirectory().getPath() + CACHE_FOLDER;
cacheDir = new File(tmpLocation);
if (!cacheDir.exists())
cacheDir.mkdirs();
}
@Override
protected void onHandleIntent(Intent intent) {
if (intent.hasExtra("url")) {
String remoteUrl = intent.getExtras().getString("url");
String imageLocation;
String fileName = remoteUrl.substring(remoteUrl.lastIndexOf(File.separator) + 1);
File tmpImage = new File(cacheDir + "/" + fileName);
if (tmpImage.exists()) {
imageLocation = tmpImage.getAbsolutePath();
notifyFinished(imageLocation, remoteUrl);
stopSelf();
return;
}
try {
URL url = new URL(remoteUrl);
HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
if (httpCon.getResponseCode() != 200)
throw new Exception("Failed to connect");
InputStream is = httpCon.getInputStream();
FileOutputStream fos = new FileOutputStream(tmpImage);
writeStream(is, fos);
fos.flush();
fos.close();
is.close();
imageLocation = tmpImage.getAbsolutePath();
notifyFinished(imageLocation, remoteUrl);
} catch (Exception e) {
Log.e("Service", "Failed!", e);
}
}
}
private void writeStream(InputStream is, OutputStream fos) throws Exception {
byte buffer[] = new byte[80000];
int read = is.read(buffer);
while (read != -1) {
fos.write(buffer, 0, read);
read = is.read(buffer);
}
}
private void notifyFinished(String imageLocation, String remoteUrl) {
Intent i = new Intent(TRANSACTION_DONE);
i.putExtra("imageLocation", imageLocation);
i.putExtra("url", remoteUrl);
ImageIntentService.this.sendBroadcast(i);
}
}
And this is the Manifest file:
Code:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.matt95.myapplication" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MyActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name=".ImageIntentService" />
</application>
</manifest>
What am I doing wrong?

Code:
Caused by: java.lang.NullPointerException
at com.example.matt95.myapplication.MyActivity$1.onReceive(MyActivity.java:74)
tells you there, you are asking an object that is of type "x" that is NULL to do something on line 74

Why not just use the picasso library or similar to download the image asynchronously in the background?
Sent from my HTC One using Tapatalk

deanwray said:
Code:
Caused by: java.lang.NullPointerException
at com.example.matt95.myapplication.MyActivity$1.onReceive(MyActivity.java:74)
tells you there, you are asking an object that is of type "x" that is NULL to do something on line 74
Click to expand...
Click to collapse
Thanks, I knew that but I'lll take a closer look at the code again :good:
Jonny said:
Why not just use the picasso library or similar to download the image asynchronously in the background?
Sent from my HTC One using Tapatalk
Click to expand...
Click to collapse
I'm a beginner in Android application so I don't have the proper knowledge right now, thanks for the suggestion though, I'll definitely try to take a look at that library :good:

matt95 said:
Thanks, I knew that but I'lll take a closer look at the code again :good:
I'm a beginner in Android application so I don't have the proper knowledge right now, thanks for the suggestion though, I'll definitely try to take a look at that library :good:
Click to expand...
Click to collapse
Better use asynctask for loading images
Sent from my Moto G using XDA Premium 4 mobile app

arpitkh96 said:
Better use asynctask for loading images
Sent from my Moto G using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Yeah but I also need to download it and then load it, and it's not good to download that amount of data on the main thread

matt95 said:
Yeah but I also need to download it and then load it, and it's not good to download that amount of data on the main thread
Click to expand...
Click to collapse
AsyncTask runs in the background on a separate thread via the doInBackground method.
Sent from my HTC One using Tapatalk

Also, when there is a possibility that one of the objects included in the intent is null you can trap the error with a try/catch around the sendBroadcast() to prevent the exception from crashing the entire app.

[Q] Problem with simple android app with VideoView?

Hello,
I am trying to build an Android Studio project based on a simple example from the web with VideoView. Everything seems OK, the project builds successfully but both in the emulator and on my device it gives an error: "Unfortunately [myapp] has stopped". This is getting really frustrating, I've searched the Internet for similar errors but didn't find any solution to my case. I think the code is ok but there is something with the settings because I imported the project from a web example:
itcuties[dot]com/android/play-video/
Anyway, the code is:
........SelectActivity.java........
Code:
package com.itcuties.android.videoplayer;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
/**
* Select video source activity.
*
* @see ITCuties
*/
public class SelectActivity extends Activity implements OnClickListener {
private Button playFromUrlButton;
private Button playOnYouTubeButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_select);
playFromUrlButton = (Button) findViewById(R.id.buttonURL);
playOnYouTubeButton = (Button) findViewById(R.id.buttonOnYouTube);
// Set onClickListener
playFromUrlButton.setOnClickListener(this);
playOnYouTubeButton.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// Check which button was clicked
if (playFromUrlButton.isPressed()) {
Intent i = new Intent(SelectActivity.this, URLVideoActivity.class);
SelectActivity.this.startActivity(i);
} else if (playOnYouTubeButton.isPressed()) {
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse([B][I]"<Youtbe page>[/I][/B]"));
SelectActivity.this.startActivity(i);
}
}
}
........URLVideoActivity.java........
Code:
package com.itcuties.android.videoplayer;
import android.app.Activity;
import android.os.Bundle;
import android.widget.VideoView;
/**
* Play Video from URL
*
* @see ITCuties
*/
public class URLVideoActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.url_activity_video);
VideoView video = (VideoView)findViewById(R.id.videoView);
video.setVideoPath("[I][B]<Address to mp4 file>[/B][/I]");
video.start();
}
}
........AndroidManifest.xml........
Code:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="[I][B]<schemas android link>[/B][/I]"
package="com.itcuties.android.videoplayer"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="8" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name="com.itcuties.android.videoplayer.URLVideoActivity"
android:configChanges="orientation|keyboardHidden|screenSize"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
</intent-filter>
</activity>
<activity
android:name="com.itcuties.android.videoplayer.SelectActivity"
android:configChanges="orientation|keyboardHidden|screenSize"
android:label="@string/title_activity_select">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
The error from emulator console:
Code:
07-02 17:41:19.689 2524-2524/? D/dalvikvm﹕ Not late-enabling CheckJNI (already on)
07-02 17:41:20.270 2524-2524/? I/dalvikvm﹕ Turning on JNI app bug workarounds for target SDK version 8...
07-02 17:41:20.479 2524-2524/? E/Trace﹕ error opening trace file: No such file or directory (2)
07-02 17:41:20.939 2524-2524/com.itcuties.android.videoplayer D/AndroidRuntime﹕ Shutting down VM
07-02 17:41:20.939 2524-2524/com.itcuties.android.videoplayer W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0x40a71930)
07-02 17:41:20.959 2524-2524/com.itcuties.android.videoplayer E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.itcuties.android.videoplayer/com.itcuties.android.videoplayer.SelectActivity}: java.lang.ClassNotFoundException: Didn't find class "com.itcuties.android.videoplayer.SelectActivity" on path: /data/app/com.itcuties.android.videoplayer-2.apk
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2106)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
at android.app.ActivityThread.access$600(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5041)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.itcuties.android.videoplayer.SelectActivity" on path: /data/app/com.itcuties.android.videoplayer-2.apk
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2097)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
at android.app.ActivityThread.access$600(ActivityThread.java:141)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5041)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
at dalvik.system.NativeStart.main(Native Method)
Anybody? Thanks in advance.
Adi.

Classnotfound exception
You didn't post the SelectActivity.java for this.
Did you create this ?
Please share the content for the SelectActivity.java class.

Change the below codes :
Code:
if (playFromUrlButton.isPressed()) {
Intent i = new Intent(SelectActivity.this, URLVideoActivity.class);
SelectActivity.this.startActivity(i);
} else if (playOnYouTubeButton.isPressed()) {
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse([B][I]"<Youtbe page>[/I][/B]"));
SelectActivity.this.startActivity(i);
}
To this:
Code:
if (playFromUrlButton.isPressed()) {
Intent i = new Intent(SelectActivity.this, URLVideoActivity.class);
startActivity(i);
} else if (playOnYouTubeButton.isPressed()) {
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse([B][I]"<Youtbe page>[/I][/B]"));
startActivity(i);
}

satyampv,
I guess I have? I don't understand.
Vivek_Neel:
Thanks for reply but the error sill persists

haloperidollly said:
satyampv,
I guess I have? I don't understand.
Vivek_Neel:
Thanks for reply but the error sill persists
Click to expand...
Click to collapse
Can you try to run this app on your phone and see if it works?

It doesn't work neither on emulator nor on my tablet - same error.