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POHow To Handle Camera Runtime Exception?
 

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    <p>My Application Work Perfect But When My Camera Appliaction When Start And Close Then Again Start Then. java.lang.RuntimeException: Fail to connect to camera service This Error Generate Plz Any Body Help Me.</p> <p>Thanks For Advance...</p> <p>Code ` <strong>CameraActivity.java</strong></p> <pre><code> package com.drc.camera; public class CameraActivity extends Activity { private static final String TAG = "CameraDemo"; CameraPreview mCameraPreview=null; FrameLayout mFrameLayout; Button btntakephoto,btnresetphoto; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.xcamera); mFrameLayout=(FrameLayout)findViewById(R.id.framepreview); btntakephoto = (Button) findViewById(R.id.btntakephoto); btnresetphoto = (Button) findViewById(R.id.btnresetphoto); mCameraPreview = new CameraPreview(this); mFrameLayout.addView(mCameraPreview); btnresetphoto.setEnabled(false); btntakephoto.setOnClickListener(new OnClickListener() { public void onClick(View v) { mCameraPreview.camera.takePicture(shutterCallback, rawCallback, jpegCallback); btnresetphoto.setEnabled(true); } }); btnresetphoto.setOnClickListener(new OnClickListener() { public void onClick(View v) { mCameraPreview.camera.startPreview(); btnresetphoto.setEnabled(false); Toast.makeText(CameraActivity.this,"Start Camera", Toast.LENGTH_SHORT).show(); } }); Log.d(TAG, "onCreate'd"); } ShutterCallback shutterCallback = new ShutterCallback() { public void onShutter() { Log.d(TAG, "onShutter'd"); } }; PictureCallback rawCallback = new PictureCallback() { public void onPictureTaken(byte[] data, Camera camera) { Log.d(TAG, "onPictureTaken - raw"); } }; PictureCallback jpegCallback = new PictureCallback() { public void onPictureTaken(byte[] data, Camera camera) { FileOutputStream outStream = null; try { outStream = new FileOutputStream(String.format("/sdcard/%d.jpg",System.currentTimeMillis())); outStream.write(data); outStream.close(); Log.d(TAG, "onPictureTaken - wrote bytes: " + data.length); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } Log.d(TAG, "onPictureTaken - jpeg"); } }; } ` ` </code></pre> <p><strong>CameraPreview.java</strong></p> <pre><code> package com.drc.camera; import java.io.IOException; class CameraPreview extends SurfaceView implements SurfaceHolder.Callback { private static final String TAG = "Preview"; SurfaceHolder mHolder; public Camera camera; CameraPreview(Context context) { super(context); mHolder = getHolder(); mHolder.addCallback(this); mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } public void surfaceCreated(SurfaceHolder holder) { camera = Camera.open(); try { camera.setPreviewDisplay(holder); camera.setPreviewCallback(new PreviewCallback() { public void onPreviewFrame(byte[] data, Camera camera) { Log.d(TAG, "onPreviewFrame called at: " + System.currentTimeMillis()); CameraPreview.this.invalidate(); } }); } catch (IOException e) { e.printStackTrace(); } } public void surfaceDestroyed(SurfaceHolder holder) { camera.stopPreview(); camera = null; } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { Camera.Parameters parameters = camera.getParameters(); parameters.setPreviewSize(w, h); camera.setParameters(parameters); camera.startPreview(); } @Override public void draw(Canvas canvas) { super.draw(canvas); Paint p = new Paint(Color.RED); Log.d(TAG, "draw"); canvas.drawText("PREVIEW", canvas.getWidth() / 2,canvas.getHeight() / 2, p); } } </code></pre> <p>` <strong>AndroidManifest.xml</strong></p> <p> </p> <pre><code>&lt;application android:icon="@drawable/icon" android:label="@string/app_name"&gt; &lt;activity android:name=".CameraActivity" android:theme="@android:style/Theme.NoTitleBar.Fullscreen" android:screenOrientation="landscape" android:configChanges="orientation|keyboardHidden" android:label="@string/app_name"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;/application&gt; &lt;uses-permission android:name="android.permission.CAMERA" /&gt; &lt;uses-permission android:name="android.permission.INTERNET" /&gt; &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt; &lt;uses-feature android:name="android.hardware.camera"&gt;&lt;/uses-feature&gt; </code></pre> <p></p>
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    1. COPlease be more concrete in describing your question: post some code, post the stack trace of the error you get. Otherwise you won't receive the help you need.
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