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PODistorted Image with Android Custom Camera
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copied!<p>I am building my own custom camera in Android.When I open the camera then its working perfect,but in Landscape mode the image is showing distorted.</p> <p>Can Anyone Please help me out.My Custom Camera code is:-</p> <pre><code>public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback { private SurfaceHolder mSurfaceHolder; private Camera mCamera; //Constructor that obtains context and camera public CameraPreview(Context context, Camera camera) { super(context); this.mCamera = camera; this.mSurfaceHolder = this.getHolder(); this.mSurfaceHolder.addCallback(this); // we get notified when underlying surface is created and destroyed this.mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); //this is a deprecated method, is not requierd after 3.0 } @Override public void surfaceCreated(SurfaceHolder surfaceHolder) { try { mCamera.setPreviewDisplay(surfaceHolder); mCamera.startPreview(); } catch (IOException e) { // left blank for now } } @Override public void surfaceDestroyed(SurfaceHolder surfaceHolder) { mCamera.stopPreview(); mCamera.release(); } @Override public void surfaceChanged(SurfaceHolder surfaceHolder, int format, int width, int height) { // start preview with new settings try { DVCameraActivity a=new DVCameraActivity(); Camera.Parameters parameters = mCamera.getParameters(); parameters.set("zoom", "2.0"); parameters.set("taking-picture-zoom", "20"); Camera.Size size = getBestPreviewSize(width, height) ; parameters.setPreviewSize(size.width, size.height); int displayRotation = a.display.getRotation(); switch (displayRotation) { case Surface.ROTATION_0: mCamera.setDisplayOrientation(90); //Log.w("enter here","aaa");break; case Surface.ROTATION_90: parameters.setPreviewSize(size.width, size.height); break; case Surface.ROTATION_180: parameters.setPreviewSize(size.height,size.width); break; case Surface.ROTATION_270: parameters.setPreviewSize(size.width, size.height); mCamera.setDisplayOrientation(180); // Log.w("enter here","aaa"); break; } mCamera.setPreviewDisplay(surfaceHolder); mCamera.startPreview(); } catch (Exception e) { // intentionally left blank for a test } } 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<=width && size.height<=height || (size.height <= width && size.width <= height)) { if (result==null) { result=size; } else { int resultArea=result.width*result.height; int newArea=size.width*size.height; if (newArea>resultArea) { result=size; } } } } return result; } } </code></pre> <p>and my main activity is:-</p> <pre><code> public class DVCameraActivity extends Activity { private Camera mCamera; private CameraPreview mCameraPreview; public static final int MEDIA_TYPE_IMAGE = 1; static Display display; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_dvcamera); // display = getWindowManager().getDefaultDisplay(); display = ((WindowManager)getSystemService(WINDOW_SERVICE)).getDefaultDisplay(); mCamera = getCameraInstance(); mCameraPreview = new CameraPreview(this, mCamera); FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview); preview.addView(mCameraPreview); //Adding listener Button captureButton = (Button) findViewById(R.id.button_capture); captureButton.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { mCamera.takePicture(null, null, mPicture); } }); } /** * Helper method to access the camera returns null if * it cannot get the camera or does not exist * @return */ private Camera getCameraInstance() { Camera camera = null; try { camera = Camera.open(); } catch (Exception e) { // cannot get camera or does not exist } return camera; } PictureCallback mPicture = new PictureCallback() { @Override public void onPictureTaken(byte[] data, Camera camera) { File pictureFile = getOutputMediaFile(MEDIA_TYPE_IMAGE); if (pictureFile == null){ return; } try { FileOutputStream fos = new FileOutputStream(pictureFile); fos.write(data); fos.close(); } catch (FileNotFoundException e) { } catch (IOException e) { } } }; /** Create a File for saving the image */ private static File getOutputMediaFile(int type){ File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory( Environment.DIRECTORY_PICTURES), "MyCameraApp"); if (! mediaStorageDir.exists()){ if (! mediaStorageDir.mkdirs()){ Log.d("MyCameraApp", "failed to create directory"); return null; } } // Create a media file name String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()); File mediaFile; mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_"+ timeStamp + ".jpg"); return mediaFile; } @Override protected void onStop() { super.onStop(); // mCamera.release(); } } </code></pre>

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