I recently posted a problem I found out about having a GLSurfaceView on top of a Camera-Preview. The problem is, even though all older models are able to show this correctly, the Galaxy S3 seems to have a problem with that, giving wrong colors for transparent pixel. So since I thought I made a mistake with my shaders I made a new test project in OpenGL1.0. This is my code - a slightly changed Version of the Nehe Port for Android. But it still makes "over saturated" colors.
Code:
public class MainActivity extends Activity {
private GLSurfaceView mGLView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mGLView = new GLSurfaceView(this);
mGLView.setEGLConfigChooser(8, 8, 8, 8, 16, 0);
mGLView.getHolder().setFormat(PixelFormat.TRANSLUCENT);
mGLView.setZOrderOnTop(true);
setContentView(new CameraView(this), new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
mGLView.setRenderer(new Renderer2());
addContentView(mGLView, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
}
@Override
protected void onPause() {
super.onPause();
mGLView.onPause();
}
@Override
protected void onResume() {
super.onResume();
mGLView.onResume();
}
}
Code:
public class CameraView extends SurfaceView implements SurfaceHolder.Callback{
SurfaceHolder surfaceHolder;
Camera camera;
public CameraView(Context context, AttributeSet attrs) {
super(context, attrs);
surfaceHolder = getHolder();
surfaceHolder.addCallback(this);
}
public CameraView(Context context) {
super(context);
surfaceHolder = getHolder();
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
try {
Camera.Parameters parameters = camera.getParameters();
parameters.setPreviewSize(w, h);
camera.setParameters(parameters);
} catch (Exception e) {
Log.w("CameraView", "Exception:" , e);
}
camera.startPreview();
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
camera = Camera.open();
try {
camera.setPreviewDisplay(holder);
} catch (IOException exception) {
camera.release();
camera = null;
}
}
@Override
public void surfaceDestroyed(SurfaceHolder arg0) {
camera.stopPreview();
camera.release();
camera = null;
}
}
Code:
public class Renderer2 implements Renderer {
private Triangle triangle;
public Renderer2() {
triangle = new Triangle();
}
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClearDepthf(1.0f);
gl.glEnable(GL10.GL_DEPTH_TEST);
}
public void onDrawFrame(GL10 gl) {
gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
gl.glLoadIdentity();
gl.glTranslatef(0.0f, 0.0f, -3.0f);
triangle.draw(gl);
}
public void onSurfaceChanged(GL10 gl, int width, int height) {
if(height == 0) {
height = 1;
}
gl.glViewport(0, 0, width, height);
gl.glMatrixMode(GL10.GL_PROJECTION);
gl.glLoadIdentity();
GLU.gluPerspective(gl, 45.0f, (float)width / (float)height, 0.1f, 100.0f);
gl.glMatrixMode(GL10.GL_MODELVIEW);
gl.glLoadIdentity();
}
}
Code:
public class Triangle {
private FloatBuffer vertexBuffer;
private FloatBuffer colorBuffer;
private float vertices[] = { 0.0f, 1.0f, 0.0f,
-1.0f, -1.0f, 0.0f,
1.0f, -1.0f, 0.0f};
private float colors[] = { 1.0f, 0.0f, 0.0f, 0.5f,
0.0f, 1.0f, 0.0f, 0.5f,
0.0f, 0.0f, 1.0f, 0.5f};
public Triangle() {
ByteBuffer byteBuf = ByteBuffer.allocateDirect(vertices.length * 4);
byteBuf.order(ByteOrder.nativeOrder());
vertexBuffer = byteBuf.asFloatBuffer();
vertexBuffer.put(vertices);
vertexBuffer.position(0);
byteBuf = ByteBuffer.allocateDirect(colors.length * 4);
byteBuf.order(ByteOrder.nativeOrder());
colorBuffer = byteBuf.asFloatBuffer();
colorBuffer.put(colors);
colorBuffer.position(0);
}
public void draw(GL10 gl) {
gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vertexBuffer);
gl.glColorPointer(4, GL10.GL_FLOAT, 0, colorBuffer);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glEnableClientState(GL10.GL_COLOR_ARRAY);
gl.glDrawArrays(GL10.GL_TRIANGLES, 0, vertices.length / 3);
gl.glDisableClientState(GL10.GL_VERTEX_ARRAY);
gl.glDisableClientState(GL10.GL_COLOR_ARRAY);
}
}
Please help me. Is there anyone who ever made an "augmented reality" app with transparency that works on a modern device (hopefully the S3) I'm thankful for any kind of help!
Tobias
take a look
Related
Hi i'm new to android so that's why i come to find help... Hi an introduction to the app i'm doing here, i'm actually doing an car blackbox app..
I had my service run the video recording processes in the background so i should be able to leave the app for a while and come back to the Video recording GUI with the surfaceview but my application was force to close when i return to the app. So is the problem related to onResume() method or something else? If its yes what i should do in order to get my application GUI to return to the video recording surfaceview and still running the background recording using the service rather than giving me an error? Can someone help please...
Code:
public class CameraTest extends Activity implements SurfaceHolder.Callback {
private static final String TAG = "Exception";
public static SurfaceView surfaceView;
public static SurfaceHolder surfaceHolder;
public static Camera camera;
public static boolean previewRunning;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
surfaceView = (SurfaceView)findViewById(R.id.surface_camera);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
Button btnStart = (Button) findViewById(R.id.button4);
btnStart.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
startService(new Intent(getApplicationContext(), ServiceRecording.class));
}
});
Button btnStop = (Button) findViewById(R.id.button5);
btnStop.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
stopService(new Intent(getApplicationContext(), ServiceRecording.class));
}
});
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
camera = Camera.open();
if (camera != null) {
Camera.Parameters params = camera.getParameters();
camera.setParameters(params);
}
else {
Toast.makeText(getApplicationContext(), "Camera not available!", Toast.LENGTH_LONG).show();
finish();
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
if (previewRunning) {
camera.stopPreview();
}
Camera.Parameters p = camera.getParameters();
p.setPreviewSize(320, 240);
p.setPreviewFormat(PixelFormat.JPEG);
camera.setParameters(p);
try {
camera.setPreviewDisplay(holder);
camera.startPreview();
previewRunning = true;
}
catch (IOException e) {
Log.e(TAG,e.getMessage());
e.printStackTrace();
}
}
@Override
public void onResume(){
super.onResume();
}
@Override
public void surfaceDestroyed(SurfaceHolder holder){
camera.stopPreview();
previewRunning = false;
camera.release();
}
}
My RecordingService.java Service file
Code:
public class ServiceRecording extends Service {
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
private SurfaceView surfaceView;
private SurfaceHolder surfaceHolder;
private Camera camera;
private boolean recordingStatus;
private MediaRecorder mediaRecorder;
private final int maxDurationInMs = 20000;
private static final String TAG = "Exception";
@Override
public void onCreate() {
super.onCreate();
recordingStatus = false;
camera = CameraTest.camera;
surfaceView = CameraTest.surfaceView;
surfaceHolder = CameraTest.surfaceHolder;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
super.onStartCommand(intent, flags, startId);
if (recordingStatus == false)
startRecording();
return START_STICKY;
}
@Override
public void onDestroy() {
super.onDestroy();
stopRecording();
//camera.stopPreview();
recordingStatus = false;
//camera.release();
}
public boolean startRecording(){
try {
Toast.makeText(getBaseContext(), "Recording Started", Toast.LENGTH_SHORT).show();
try{
camera.unlock();
}
catch(Exception e){
camera.reconnect();
}
mediaRecorder = new MediaRecorder();
mediaRecorder.setCamera(camera);
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
mediaRecorder.setMaxDuration(maxDurationInMs);
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
//mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH_mm_ss");
Date date = new Date();
File directory = new File(Environment.getExternalStorageDirectory() + "/VideoList");
if(!(directory.exists()))
directory.mkdir();
File FileSaved = new File(Environment.getExternalStorageDirectory() + "/VideoList", dateFormat.format(date) + ".3gp");
mediaRecorder.setOutputFile(FileSaved.getPath());
mediaRecorder.setVideoSize(surfaceView.getWidth(),surfaceView.getHeight());
//mediaRecorder.setVideoFrameRate(videoFramesPerSecond);
mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
mediaRecorder.prepare();
mediaRecorder.start();
recordingStatus = true;
return true;
}
catch (IllegalStateException e) {
Log.d(TAG,e.getMessage());
e.printStackTrace();
return false;
}
catch (IOException e) {
Log.d(TAG,e.getMessage());
e.printStackTrace();
return false;
}
}
public void stopRecording() {
Toast.makeText(getBaseContext(), "Recording Stopped", Toast.LENGTH_SHORT).show();
mediaRecorder.stop();
try {
camera.reconnect();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
recordingStatus = false;
}
}
Hi i'm new to android so that's why i come to find help... Hi an introduction to the app i'm doing here, i'm actually doing an car blackbox app..
I had my service run the video recording processes in the background so i should be able to leave the app for a while and come back to the Video recording GUI with the surfaceview but my application was force to close when i return to the app. So is the problem related to onResume() method or something else? If its yes what i should do in order to get my application GUI to return to the video recording surfaceview and still running the background recording using the service rather than giving me an error? Can someone help please...
Code:
public class CameraTest extends Activity implements SurfaceHolder.Callback {
private static final String TAG = "Exception";
public static SurfaceView surfaceView;
public static SurfaceHolder surfaceHolder;
public static Camera camera;
public static boolean previewRunning;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
surfaceView = (SurfaceView)findViewById(R.id.surface_camera);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
Button btnStart = (Button) findViewById(R.id.button4);
btnStart.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
startService(new Intent(getApplicationContext(), ServiceRecording.class));
}
});
Button btnStop = (Button) findViewById(R.id.button5);
btnStop.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
stopService(new Intent(getApplicationContext(), ServiceRecording.class));
}
});
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
camera = Camera.open();
if (camera != null) {
Camera.Parameters params = camera.getParameters();
camera.setParameters(params);
}
else {
Toast.makeText(getApplicationContext(), "Camera not available!", Toast.LENGTH_LONG).show();
finish();
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
if (previewRunning) {
camera.stopPreview();
}
Camera.Parameters p = camera.getParameters();
p.setPreviewSize(320, 240);
p.setPreviewFormat(PixelFormat.JPEG);
camera.setParameters(p);
try {
camera.setPreviewDisplay(holder);
camera.startPreview();
previewRunning = true;
}
catch (IOException e) {
Log.e(TAG,e.getMessage());
e.printStackTrace();
}
}
@Override
public void onResume(){
super.onResume();
}
@Override
public void surfaceDestroyed(SurfaceHolder holder){
camera.stopPreview();
previewRunning = false;
camera.release();
}
}
My RecordingService.java Service file
Code:
public class ServiceRecording extends Service {
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
private SurfaceView surfaceView;
private SurfaceHolder surfaceHolder;
private Camera camera;
private boolean recordingStatus;
private MediaRecorder mediaRecorder;
private final int maxDurationInMs = 20000;
private static final String TAG = "Exception";
@Override
public void onCreate() {
super.onCreate();
recordingStatus = false;
camera = CameraTest.camera;
surfaceView = CameraTest.surfaceView;
surfaceHolder = CameraTest.surfaceHolder;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
super.onStartCommand(intent, flags, startId);
if (recordingStatus == false)
startRecording();
return START_STICKY;
}
@Override
public void onDestroy() {
super.onDestroy();
stopRecording();
//camera.stopPreview();
recordingStatus = false;
//camera.release();
}
public boolean startRecording(){
try {
Toast.makeText(getBaseContext(), "Recording Started", Toast.LENGTH_SHORT).show();
try{
camera.unlock();
}
catch(Exception e){
camera.reconnect();
}
mediaRecorder = new MediaRecorder();
mediaRecorder.setCamera(camera);
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
mediaRecorder.setMaxDuration(maxDurationInMs);
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
//mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH_mm_ss");
Date date = new Date();
File directory = new File(Environment.getExternalStorageDirectory() + "/VideoList");
if(!(directory.exists()))
directory.mkdir();
File FileSaved = new File(Environment.getExternalStorageDirectory() + "/VideoList", dateFormat.format(date) + ".3gp");
mediaRecorder.setOutputFile(FileSaved.getPath());
mediaRecorder.setVideoSize(surfaceView.getWidth(),surfaceView.getHeight());
//mediaRecorder.setVideoFrameRate(videoFramesPerSecond);
mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
mediaRecorder.prepare();
mediaRecorder.start();
recordingStatus = true;
return true;
}
catch (IllegalStateException e) {
Log.d(TAG,e.getMessage());
e.printStackTrace();
return false;
}
catch (IOException e) {
Log.d(TAG,e.getMessage());
e.printStackTrace();
return false;
}
}
public void stopRecording() {
Toast.makeText(getBaseContext(), "Recording Stopped", Toast.LENGTH_SHORT).show();
mediaRecorder.stop();
try {
camera.reconnect();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
recordingStatus = false;
}
}
This is like the third time you've posted this. Convention dictates that you "bump" the existing thread rather than start a new one.
That said, I've considered replying each time, but I don't even know where to start. You seem to have a fundamental misunderstanding of OOP and java in general, and Android extensions specifically.
You can't use your CameraTest class the way you are in your service. You seem to be operating under the assumption that you can just declare some objects "static" (I'm assuming to get around compiler errors) and be able to access them as if they were some kind of global variables. You'll need to use bindings (AIDL) between your service and activity to properly synchronize calls between the two. This is a rather advanced topic and can't really be addressed in a reply.
Sorry i'm rather new to forums... By the way after your explanation i seems to get even more confused in a way, ya i'm rather confused/misunderstood OOP and java because i never really studied java before yet my lecturer still force me to do android for my project... Wow you're really good in spotting my problem.
Either way, i still don't seems to be able to return to my GUI recording preview homepage after i leaves the page, how should this problem be solve? Sorry if i'm rather slow/stupid to understand your "technical" descriptions...
Question 1: Presumingly i wanted to allocate only 1GB of space to store my videos in a particular self declared directory how should i do it?
Question 2: And i wanted my directory to capped at 1GB after which how is it going to auto-delete the oldest video file in that directory once its about to reach 1GB?
Sorry i'm kinna new in java and android and currently creating an car blackbox app can someone help me... Thanks
This is what I have tried so far can someone tell me how should i implement the above function into my mainActivity:
Code:
public class CameraTest extends Activity implements SurfaceHolder.Callback {
private static final String TAG = "Exception";
public static SurfaceView surfaceView;
public static SurfaceHolder surfaceHolder;
public static Camera camera;
public static boolean previewRunning;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
surfaceView = (SurfaceView)findViewById(R.id.surface_camera);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
Button btnStart = (Button) findViewById(R.id.button4);
btnStart.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
startService(new Intent(getApplicationContext(), ServiceRecording.class));
}
});
Button btnStop = (Button) findViewById(R.id.button5);
btnStop.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
stopService(new Intent(getApplicationContext(), ServiceRecording.class));
}
});
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
camera = Camera.open();
if (camera != null) {
Camera.Parameters params = camera.getParameters();
camera.setParameters(params);
}
else {
Toast.makeText(getApplicationContext(), "Camera not available!", Toast.LENGTH_LONG).show();
finish();
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
if (previewRunning) {
camera.stopPreview();
}
Camera.Parameters p = camera.getParameters();
p.setPreviewSize(320, 240);
p.setPreviewFormat(PixelFormat.JPEG);
camera.setParameters(p);
try {
camera.setPreviewDisplay(holder);
camera.startPreview();
previewRunning = true;
}
catch (IOException e) {
Log.e(TAG,e.getMessage());
e.printStackTrace();
}
}
@Override
public void onResume(){
super.onResume();
}
@Override
public void surfaceDestroyed(SurfaceHolder holder){
camera.stopPreview();
previewRunning = false;
camera.release();
}
}
My RecordingService.java Service file
Code:
public class ServiceRecording extends Service {
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
private SurfaceView surfaceView;
private SurfaceHolder surfaceHolder;
private Camera camera;
private boolean recordingStatus;
private MediaRecorder mediaRecorder;
private final int maxDurationInMs = 20000;
private static final String TAG = "Exception";
@Override
public void onCreate() {
super.onCreate();
recordingStatus = false;
camera = CameraTest.camera;
surfaceView = CameraTest.surfaceView;
surfaceHolder = CameraTest.surfaceHolder;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
super.onStartCommand(intent, flags, startId);
if (recordingStatus == false)
startRecording();
return START_STICKY;
}
@Override
public void onDestroy() {
super.onDestroy();
stopRecording();
//camera.stopPreview();
recordingStatus = false;
//camera.release();
}
public boolean startRecording(){
try {
Toast.makeText(getBaseContext(), "Recording Started", Toast.LENGTH_SHORT).show();
try{
camera.unlock();
}
catch(Exception e){
camera.reconnect();
}
mediaRecorder = new MediaRecorder();
mediaRecorder.setCamera(camera);
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
mediaRecorder.setMaxDuration(maxDurationInMs);
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
//mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH_mm_ss");
Date date = new Date();
File directory = new File(Environment.getExternalStorageDirectory() + "/VideoList");
if(!(directory.exists()))
directory.mkdir();
File FileSaved = new File(Environment.getExternalStorageDirectory() + "/VideoList", dateFormat.format(date) + ".3gp");
mediaRecorder.setOutputFile(FileSaved.getPath());
mediaRecorder.setVideoSize(surfaceView.getWidth(),surfaceView.getHeight());
//mediaRecorder.setVideoFrameRate(videoFramesPerSecond);
mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
mediaRecorder.prepare();
mediaRecorder.start();
recordingStatus = true;
return true;
}
catch (IllegalStateException e) {
Log.d(TAG,e.getMessage());
e.printStackTrace();
return false;
}
catch (IOException e) {
Log.d(TAG,e.getMessage());
e.printStackTrace();
return false;
}
}
public void stopRecording() {
Toast.makeText(getBaseContext(), "Recording Stopped", Toast.LENGTH_SHORT).show();
mediaRecorder.stop();
try {
camera.reconnect();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
recordingStatus = false;
}
}
Not that anyone will actually reply but I'm about to go insane to be honest, ALL i want to do is play a video from a list view using media store and a custom video player (Not stock player!) but so far all my attempts have failed.
So i need some professional help!
My MediaStore code:
Code:
public class VideoManager {
public VideoManager() {
}
private ArrayList<HashMap<String, String>> videoList = new ArrayList<HashMap<String, String>>();
public ArrayList<HashMap<String, String>> getPlayList(Context c) {
/*use content provider to get beginning of database query that queries for all audio by display name, path
and mimtype which i dont use but got it incase you want to scan for mp3 files only you can compare with RFC mimetype for mp3's
*/
final Cursor mCursor = c.getContentResolver().query(
MediaStore.Video.Media.EXTERNAL_CONTENT_URI,
new String[] { MediaStore.Video.Media.DISPLAY_NAME, MediaStore.Video.Media.DATA}, null, null,
"UPPER(" + MediaStore.Video.Media.TITLE + ") ASC");
String videoTitle = "";
String videoPath = "";
/* run through all the columns we got back and save the data we need into the arraylist for our listview*/
if (mCursor.moveToFirst()) {
do {
videoTitle = mCursor.getString(mCursor.getColumnIndexOrThrow(MediaStore.Video.Media.DISPLAY_NAME));
videoPath = mCursor.getString(mCursor.getColumnIndexOrThrow(MediaStore.Video.Media.DATA));
HashMap<String, String> video = new HashMap<String, String>();
video.put("videoTitle", videoTitle);
video.put("videoPath", videoPath);
videoList.add(video);
} while (mCursor.moveToNext());
}
mCursor.close(); //cursor has been consumed so close it
return videoList;
}
public ArrayList<HashMap<String, String>> getPlayList() {
// TODO Auto-generated method stub
return null;
}
}
The list code along with an OnItemClick method and Intent:
Code:
public class VideoActivity extends ListActivity {
// Songs list
public ArrayList<HashMap<String, String>> videoList = new ArrayList<HashMap<String, String>>();
ListView videolist;
Cursor mCursor;
int videoTitle;
int count;
int videoPath;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.videos);
ArrayList<HashMap<String, String>> videoListData = new ArrayList<HashMap<String, String>>();
VideoManager plm = new VideoManager();
// get all songs from sdcard
this.videoList = plm.getPlayList(this);
// looping through playlist
for (int i = 0; i < videoList.size(); i++) {
// creating new HashMap
HashMap<String, String> video = videoList.get(i);
// adding HashList to ArrayList
videoListData.add(video);
}
// Adding menuItems to ListView
ListAdapter adapter = new SimpleAdapter(this, videoListData,
R.layout.video_item, new String[] { "videoTitle" }, new int[] {
R.id.videoTitle });
setListAdapter(adapter);
// selecting single ListView item
ListView lv = getListView();
// listening to single listitem click
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// getting listitem index
int videoIndex = position;
// Starting new intent
Intent in = new Intent(getApplicationContext(),
VideoPlayerActivity.class);
Log.d("TAG","onItemClick");
// Sending songIndex to PlayerActivity
in.putExtra("videoPath", videoIndex);
startActivity(in);
// Closing PlayListView
finish();
}
});
}
}
And lastly, the players code:
Code:
public class VideoPlayerActivity extends Activity implements SurfaceHolder.Callback, MediaPlayer.OnPreparedListener, VideoControllerView.MediaPlayerControl {
SurfaceView videoSurface;
MediaPlayer player;
VideoControllerView controller;
private VideoManager videoManager;
private int currentvideoIndex = 0;
private ArrayList<HashMap<String, String>> videoList = new ArrayList<HashMap<String, String>>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_video_player);
videoSurface = (SurfaceView) findViewById(R.id.videoSurface);
SurfaceHolder videoHolder = videoSurface.getHolder();
videoHolder.addCallback(this);
player = new MediaPlayer();
videoManager = new VideoManager();
controller = new VideoControllerView(this);
videoList = videoManager.getPlayList(this);
}
@Override
protected void onActivityResult(int requestCode,
int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == 0){
currentvideoIndex = data.getExtras().getInt("videoPath");
// play selected song
playVideo(currentvideoIndex);
}
}
public void playVideo(int videoIndex){
try {
player.setDataSource(videoList.get(videoIndex).get("videoPath"));
player.setOnPreparedListener(this);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
controller.show();
return false;
}
// Implement SurfaceHolder.Callback
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
player.setDisplay(holder);
player.prepareAsync();
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
}
// End SurfaceHolder.Callback
// Implement MediaPlayer.OnPreparedListener
@Override
public void onPrepared(MediaPlayer mp) {
controller.setMediaPlayer(this);
controller.setAnchorView((FrameLayout) findViewById(R.id.videoSurfaceContainer));
try {
player.prepare();
player.start();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// End MediaPlayer.OnPreparedListener
// Implement VideoMediaController.MediaPlayerControl
@Override
public boolean canPause() {
return true;
}
@Override
public boolean canSeekBackward() {
return true;
}
@Override
public boolean canSeekForward() {
return true;
}
@Override
public int getBufferPercentage() {
return 0;
}
@Override
public int getCurrentPosition() {
return player.getCurrentPosition();
}
@Override
public int getDuration() {
return player.getDuration();
}
@Override
public boolean isPlaying() {
return player.isPlaying();
}
@Override
public void pause() {
player.pause();
}
@Override
public void seekTo(int i) {
player.seekTo(i);
}
@Override
public void start() {
player.start();
}
@Override
public boolean isFullScreen() {
return false;
}
@Override
public void toggleFullScreen() {
}
}
Right now PLEASE HELP ME!! :crying:
Why do you look up the videoPath in onActivityResult? Why do you need that Method? You'd add playVideo(getIntent().getBundle().getIntExtra("videopath")); to the end of your onCreate.
Regards
EmptinessFiller said:
Why do you look up the videoPath in onActivityResult? Why do you need that Method? You'd add playVideo(getIntent().getBundle().getIntExtra("videopath")); to the end of your onCreate.
Regards
Click to expand...
Click to collapse
Hi, thanks for the reply but unfortunately it didn't work.
I assume the code i entered is correct..
Code:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_video_player);
playVideo(getIntent().getExtras().getInt("videoPath"));
videoSurface = (SurfaceView) findViewById(R.id.videoSurface);
SurfaceHolder videoHolder = videoSurface.getHolder();
videoHolder.addCallback(this);
player = new MediaPlayer();
videoManager = new VideoManager();
controller = new VideoControllerView(this);
videoList = videoManager.getPlayList();
}
public void playVideo(int videoIndex){
try {
player.setDataSource(videoList.get(videoIndex).get("videoPath"));
player.setOnPreparedListener(this);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
Hello guys,
I have a list of fragments created and I want to delete these fragment by long pressing on them. However, before doing so I want dialog fragment to pop up and offer the user the choice to delete or not. I have created the two fragments but I can't get the data across each other. I can't give functionality to the 'OK' button. Here is my code:
Code:
public class CourseListFragment extends Fragment implements
OnItemClickListener, OnItemLongClickListener {
public static final String ARG_ITEM_ID = "course_list";
public static final String YES_NO = "modify";
Activity activity;
ListView courseListView;
ArrayList<Course> courses;
CourseListAdapter courseListAdapter;
CourseDAO courseDAO;
private GetEmpTask task;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
activity = getActivity();
courseDAO = new CourseDAO(activity);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.schedule_fragment_course_list,
container, false);
findViewsById(view);
task = new GetEmpTask(activity);
task.execute((Void) null);
courseListView.setOnItemClickListener(this);
courseListView.setOnItemLongClickListener(this);
return view;
}
private void findViewsById(View view) {
courseListView = (ListView) view.findViewById(R.id.list_course);
}
@Override
public void onItemClick(AdapterView<?> list, View view, int position,
long id) {
Course course = (Course) list.getItemAtPosition(position);
if (course != null) {
Bundle arguments = new Bundle();
arguments.putParcelable("selectedCourse", course);
CustomCourseDialogFragment customEmpDialogFragment = new CustomCourseDialogFragment();
customEmpDialogFragment.setArguments(arguments);
customEmpDialogFragment.show(getFragmentManager(),
CustomCourseDialogFragment.ARG_ITEM_ID);
}
}
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view,
int position, long id) {
// Show dialogFragment
FragmentManager fm = getActivity().getSupportFragmentManager();
CheckDialogFragment dialog = new CheckDialogFragment();
dialog.show(fm, YES_NO);
Course employee = (Course) parent.getItemAtPosition(position);
// Use AsyncTask to delete from database
courseDAO.deleteEmployee(employee);
courseListAdapter.remove(employee);
return true;
}
public class GetEmpTask extends AsyncTask<Void, Void, ArrayList<Course>> {
private final WeakReference<Activity> activityWeakRef;
public GetEmpTask(Activity context) {
this.activityWeakRef = new WeakReference<Activity>(context);
}
@Override
protected ArrayList<Course> doInBackground(Void... arg0) {
ArrayList<Course> courseList = courseDAO.getCourses();
return courseList;
}
@Override
protected void onPostExecute(ArrayList<Course> empList) {
if (activityWeakRef.get() != null
&& !activityWeakRef.get().isFinishing()) {
courses = empList;
if (empList != null) {
if (empList.size() != 0) {
courseListAdapter = new CourseListAdapter(activity,
empList);
courseListView.setAdapter(courseListAdapter);
} else {
Toast.makeText(activity, "No Course Records",
Toast.LENGTH_LONG).show();
}
}
}
}
}
/*
* This method is invoked from MainActivity onFinishDialog() method. It is
* called from CustomEmpDialogFragment when an employee record is updated.
* This is used for communicating between fragments.
*/
public void updateView() {
task = new GetEmpTask(activity);
task.execute((Void) null);
}
@Override
public void onResume() {
getActivity().setTitle("Course Schedule");
getActivity().getActionBar().setTitle("Course Schedule");
super.onResume();
}
}
//Dialog Fragment
Code:
public class CheckDialogFragment extends DialogFragment {
CourseListAdapter courseListAdapter;
CourseDAO courseDAO;
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// TODO Auto-generated method stub
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
.setTitle("Do you want to delete?")
.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
// TODO Auto-generated method stub
}
})
.setNegativeButton(android.R.string.cancel,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
// TODO Auto-generated method stub
dialog.cancel();
}
});
return builder.create();
}
}
I have problems trying to get the data from onItemLongClick() of CourseListFragment to CourseListFragment. Any help would be greatly appreciated.