Caméra de java.lang.RuntimeException: setParameters échoué

J'ai créé une coutume application appareil photo à l'aide de cette code source, mais sur quelques dispositifs (comme sur la Haute Résolution des Appareils), j'obtiens:

RuntimeException setParameters failed

Je suis confronté à cette exception, en raison à cela:

params.setPictureSize(1200, 900);

Et j'ai remarqué, Si j'utilise (1600, 1200) au lieu de (1200, 900) alors je ne suis pas face à de tels problèmes

Logcat:

11-07 11:45:20.630: E/AndroidRuntime(3827): FATAL EXCEPTION: main
11-07 11:45:20.630: E/AndroidRuntime(3827): java.lang.RuntimeException: Unable to resume activity {pl.gatti.dgcam/pl.gatti.dgcam.DgCamActivity}: java.lang.RuntimeException: setParameters failed
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2825)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2854)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2318)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.ActivityThread.access$600(ActivityThread.java:144)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1317)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.os.Handler.dispatchMessage(Handler.java:99)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.os.Looper.loop(Looper.java:152)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.ActivityThread.main(ActivityThread.java:5132)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at java.lang.reflect.Method.invokeNative(Native Method)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at java.lang.reflect.Method.invoke(Method.java:511)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at dalvik.system.NativeStart.main(Native Method)
11-07 11:45:20.630: E/AndroidRuntime(3827): Caused by: java.lang.RuntimeException: setParameters failed
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.hardware.Camera.native_setParameters(Native Method)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.hardware.Camera.setParameters(Camera.java:1490)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at pl.gatti.dgcam.DgCamActivity.createCamera(DgCamActivity.java:124)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at pl.gatti.dgcam.DgCamActivity.onResume(DgCamActivity.java:163)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1185)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.Activity.performResume(Activity.java:5182)
11-07 11:45:20.630: E/AndroidRuntime(3827):     at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2815)

Code:

private void createCamera() {
//Create an instance of Camera
mCamera = getCameraInstance();
//Setting the right parameters in the camera
Camera.Parameters params = mCamera.getParameters();
params.setPictureSize(1200, 900);
params.setPictureFormat(PixelFormat.JPEG);
params.setJpegQuality(85);
mCamera.setParameters(params);
//Create our Preview view and set it as the content of our activity.
mPreview = new CameraPreview(this, mCamera);
FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview);
//Calculating the width of the preview so it is proportional.
float widthFloat = (float) (deviceHeight) * 4 / 3;
int width = Math.round(widthFloat);
//Resizing the LinearLayout so we can make a proportional preview. This
//approach is not 100% perfect because on devices with a really small
//screen the the image will still be distorted - there is place for
//improvment.
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(width, deviceHeight);
preview.setLayoutParams(layoutParams);
//Adding the camera preview after the FrameLayout and before the button
//as a separated element.
preview.addView(mPreview, 0);
}

Vous pouvez voir complete CameraActivity code de la classe ici

Et Voici mon CameraPreview classe:

public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback {
private SurfaceHolder mHolder;
private Camera mCamera;
public CameraPreview(Context context, Camera camera) {
super(context);
mCamera = camera;
//Install a SurfaceHolder.Callback so we get notified when the
//underlying surface is created and destroyed.
mHolder = getHolder();
mHolder.addCallback(this);
//deprecated setting, but required on Android versions prior to 3.0
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
mHolder.setFixedSize(100, 100);
}
public void surfaceCreated(SurfaceHolder holder) {
//The Surface has been created, now tell the camera where to draw the
//preview.
try {
mCamera.setPreviewDisplay(holder);
mCamera.startPreview();
} catch (IOException e) {
Log.d("DG_DEBUG", "Error setting camera preview: " + e.getMessage());
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
//If your preview can change or rotate, take care of those events here.
//Make sure to stop the preview before resizing or reformatting it.
if (mHolder.getSurface() == null) {
//preview surface does not exist
return;
}
//stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
//ignore: tried to stop a non-existent preview
}
//make any resize, rotate or reformatting changes here
//start preview with new settings
try {
mCamera.setPreviewDisplay(mHolder);
mCamera.setDisplayOrientation(90); //Portrait only
mCamera.startPreview();
} catch (Exception e) {
Log.d("DG_DEBUG", "Error starting camera preview: " + e.getMessage());
}
}
public void surfaceDestroyed(SurfaceHolder holder) {
//empty. Take care of releasing the Camera preview in your activity.
}
}
qui est le numéro de ligne 124 ?
veuillez définir la ligne n ° 124
le numéro de la ligne 124 est mCamera.setParameters(params);

OriginalL'auteur Sonali | 2015-11-07