nobody can help me to undestand why? On 8 Giu, 13:41, Paolo <[email protected]> wrote: > Hi there! > I've a problem with the Camera, in particular with the > surfaceDestroyed() callback. > > This is my scenario: > > The app starts with an activity that shows a splash screen, and after > 3 seconds it send an Intent to the MyCameraActivity. > I want to finish the splashscreen activity so in onStop() I call > finish(). > The CameraActivity starts but if I push the BACK button (my app > terminate) I see from my log that the surfaceDestroyed() callbacks > isn't called, where I release the camera source. The consequence is > simple... when I start the app again, the camera source doesn't result > free and I have a message error. > > Why does it happen this? > > Thanks to anyone wants to help me. > > *** The Splash Activity *** > > @Override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > requestWindowFeature(Window.FEATURE_NO_TITLE); > > getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, > WindowManager.LayoutParams.FLAG_FULLSCREEN); > setContentView(R.layout.splash); > > splashHandler = new Handler(){ > @Override > public void handleMessage(Message msg) { > super.handleMessage(msg); > switch (msg.what) { > case STOPSPLASH: > startActivity(new > Intent(getApplicationContext(), > CameraView.class)); > break; > } > } > }; > > Message msg = new Message(); > msg.what = STOPSPLASH; > splashHandler.sendMessageDelayed(msg, TIME_SPLASH); > } > > @Override > public void onPause(){ > super.onPause(); > Log.d("DEBUG", "Splash onPause"); > finish(); > } > > Here part of the code! > > *** MyCameraActivity *** > > �...@override > public void onCreate(Bundle savedInstanceState) { > super.onCreate(savedInstanceState); > Log.d("DEBUG", "onCreate CameraView"); > getWindow().setFormat(PixelFormat.TRANSLUCENT); //aggiungo il > traslucido > requestWindowFeature(Window.FEATURE_NO_TITLE); //no barra > titolo > > getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, > WindowManager.LayoutParams.FLAG_FULLSCREEN); //full screen > > getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON, > WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); > setContentView(R.layout.camera); > > mSurfaceView = (SurfaceView)findViewById(R.id.camera_surface); > mSurfaceHolder = mSurfaceView.getHolder(); //recupero l'holder > della surfaceview > mSurfaceHolder.addCallback(this); //faccio la bind alla nostra > activity > > mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); > > } > > public void surfaceCreated(SurfaceHolder holder) { > Log.d("DEBUG", "surfaceCreated"); > mCamera = Camera.open(); > Log.d("DEBUG", "Camera open()"); > } > > public void surfaceDestroyed(SurfaceHolder holder) { > Log.d("DEBUG", "surfaceDestroyed"); > mCamera.stopPreview(); > mPreviewRunning = false; > mCamera.release(); > mCamera = null; > Log.d("DEBUG", "Camera rilasciata"); > } > > public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, > int arg3) { > Log.d("DEBUG", "surfaceChanged"); > > if (mPreviewRunning) { > Log.d("DEBUG", "la preview è running ora viene > stoppata."); > mCamera.stopPreview(); > mPreviewRunning = false; > > } > //setto le preferenze > setPreferencesCamera(arg2, arg3); > try { > //lancio la preview > Log.d("DEBUG", "lancio la preview"); > mCamera.setPreviewDisplay(arg0); > mCamera.startPreview(); > mPreviewRunning = true; > > } catch (IOException e) { > Log.e("ERROR", "SurfaceChanged: errore Camera > setPreviewDisplay"); > } > > }
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