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POAndroid Camera preview reverse landscape Config
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  1. POAndroid Camera preview reverse landscape Config
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    copied!<p>I want to set the camera preview in reverse landscape mode,When I am trying it by manifest orientation setting the preview shows as mirror view.I have an overlay over camera preview that's why I want reverse landscape mode,I am using android 4.0.</p> <pre><code> class Preview extends SurfaceView implements SurfaceHolder.Callback { // &lt;1&gt; SurfaceHolder mHolder; // &lt;2&gt; public Camera camera; // &lt;3&gt; Preview(Context context) { super(context); // Install a SurfaceHolder.Callback so we get notified when the // underlying surface is created and destroyed. mHolder = getHolder(); // &lt;4&gt; mHolder.addCallback(this); // &lt;5&gt; mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); // &lt;6&gt; } @Override public void surfaceCreated(SurfaceHolder holder) { try { if (camera != null) { camera.setPreviewDisplay(holder); } } catch (IOException exception) { Log.e("fd", "IOException caused by setPreviewDisplay()", exception); } } // Called when the holder is destroyed @Override public void surfaceDestroyed(SurfaceHolder holder) { // &lt;14&gt; //camera.setParameters(Camera.Parameters.FLASH_MODE_OFF); Parameters params = camera.getParameters(); params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF); camera.setParameters(params); camera.stopPreview(); camera.release(); //camera = null; } // Called when holder has changed @Override public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { // &lt;15&gt; camera = Camera.open(); Parameters params = camera.getParameters(); List&lt;Size&gt; sizes = params.getSupportedPictureSizes(); Camera.Size size = sizes.get(0); params.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO); params.setWhiteBalance(Camera.Parameters.WHITE_BALANCE_AUTO); params.setSceneMode(Camera.Parameters.SCENE_MODE_LANDSCAPE); params.setFlashMode(Camera.Parameters.FLASH_MODE_ON); params.setJpegThumbnailQuality(100); params.setExposureCompensation(0); params.setJpegQuality(100); // params.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH); /* * * Camera.Parameters parameters = camera.getParameters(); List&lt;Camera.Size&gt; previewSizes = parameters.getSupportedPreviewSizes(); // You need to choose the most appropriate previewSize for your app Camera.Size previewSize = // .... select one of previewSizes here parameters.setPreviewSize(previewSize.width, previewSize.height); camera.setParameters(parameters); camera.startPreview(); */ //int w=0,h=0; for(int i=0;i&lt;sizes.size();i++) { if(sizes.get(i).width &gt; size.width) size = sizes.get(i); } params.setPictureSize(size.width, size.height); //Toast.makeText(getContext(), size.width+"and"+size.height,Toast.LENGTH_SHORT).show(); camera.setParameters(params); /* if (this.getResources().getConfiguration().orientation != Configuration.ORIENTATION_LANDSCAPE) { params.set("orientation", "portrait"); camera.setDisplayOrientation(90); }*/ camera.startPreview(); try { camera.setPreviewDisplay(holder); } catch (IOException exception) { camera.release(); camera = null; } } </code></pre> <p>}</p>
 

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