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POAndroid - Error in Camera Surface
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  1. POAndroid - Error in Camera Surface
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    copied!<p>I have this code for my app, it doesn't show any errors but everytime I run it on my phone, it crashes. Anybody have idea about this? Thanks</p> <pre><code>public class CameraView extends Activity implements SurfaceHolder.Callback,OnClickListener { static final int FOTO_MODE = 0; private static final String TAG = "CameraTest"; Camera mCamera; boolean mPreviewRunning = false; private Context mContext = this; public void onCreate(Bundle icicle) { super.onCreate(icicle); Log.e(TAG, "onCreate"); Bundle extras = getIntent().getExtras(); getWindow().setFormat(PixelFormat.TRANSLUCENT); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); setContentView(R.layout.camera_surface); mSurfaceView = (SurfaceView) findViewById(R.id.surface_camera); mSurfaceView.setOnClickListener(this); mSurfaceHolder = mSurfaceView.getHolder(); mSurfaceHolder.addCallback(this); mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } //private SurfaceView mSurfaceView; //private SurfaceHolder mSurfaceHolder; @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); } Camera.PictureCallback mPictureCallback = new Camera.PictureCallback() { public void onPictureTaken(byte[] imageData, Camera c) { if (imageData != null) { Intent mIntent = new Intent(); StoreByteImage(mContext, imageData, 50, "ImageName"); mCamera.startPreview(); setResult(FOTO_MODE, mIntent); finish(); } } }; protected void onResume() { Log.e(TAG, "onResume"); super.onResume(); } protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } protected void onStop() { Log.e(TAG, "onStop"); super.onStop(); } public void surfaceCreated(SurfaceHolder holder) { Log.e(TAG, "surfaceCreated"); mCamera = Camera.open(); } private Camera.Size getBestPreviewSize(int width, int height) { Camera.Size result=null; Camera.Parameters p = mCamera.getParameters(); for (Camera.Size size : p.getSupportedPreviewSizes()) { if (size.width&lt;=width &amp;&amp; size.height&lt;=height) { if (result==null) { result=size; } else { int resultArea=result.width*result.height; int newArea=size.width*size.height; if (newArea&gt;resultArea) { result=size; } } } } return result; } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { Log.e(TAG, "surfaceChanged"); // XXX stopPreview() will crash if preview is not running if (mPreviewRunning) { mCamera.stopPreview(); } Camera.Parameters p = mCamera.getParameters(); Camera.Size bestSize = getBestPreviewSize(w, h); p.setPreviewSize(bestSize.width, bestSize.height); mCamera.setParameters(p); try { mCamera.setPreviewDisplay(holder); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } mCamera.startPreview(); mPreviewRunning = true; } public void surfaceDestroyed(SurfaceHolder holder) { Log.e(TAG, "surfaceDestroyed"); mCamera.stopPreview(); mPreviewRunning = false; mCamera.release(); } private SurfaceView mSurfaceView; private SurfaceHolder mSurfaceHolder; public void onClick(View arg0) { mCamera.takePicture(null, mPictureCallback, mPictureCallback); } public static boolean StoreByteImage(Context mContext, byte[] imageData, int quality, String expName) { File sdImageMainDirectory = new File("/sdcard"); FileOutputStream fileOutputStream = null; String nameFile; try { BitmapFactory.Options options=new BitmapFactory.Options(); options.inSampleSize = 5; Bitmap myImage = BitmapFactory.decodeByteArray(imageData, 0, imageData.length,options); fileOutputStream = new FileOutputStream( sdImageMainDirectory.toString() +"/image.jpg"); BufferedOutputStream bos = new BufferedOutputStream( fileOutputStream); myImage.compress(CompressFormat.JPEG, quality, bos); bos.flush(); bos.close(); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return true; } /*@Override public void onClick(View v) { // TODO Auto-generated method stub } @Override public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { // TODO Auto-generated method stub Log.e(TAG, "surfaceChanged"); // XXX stopPreview() will crash if preview is not running if (mPreviewRunning) { mCamera.stopPreview(); } Camera.Parameters p = mCamera.getParameters(); p.setPreviewSize(w, h); mCamera.setParameters(p); try { mCamera.setPreviewDisplay(holder); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } mCamera.startPreview(); mPreviewRunning = true; } @Override public void surfaceCreated(SurfaceHolder arg0) { // TODO Auto-generated method stub Log.e(TAG, "surfaceCreated"); mCamera = Camera.open(); } @Override public void surfaceDestroyed(SurfaceHolder arg0) { // TODO Auto-generated method stub Log.e(TAG, "surfaceDestroyed"); mCamera.stopPreview(); mPreviewRunning = false; mCamera.release(); }*/ } </code></pre>
 

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