How to capture image from custom CameraView in Android?

Question

i need to capture image from required portion of the screen.

capture image from camera.

Answer 1

I use the CameraPreview in ApiDemos application and edit it as your requirement.

First, copy the code of the Preview class into a new class file in the same package so that it is public and you can declare it in the xml layout file. Remember to add one more constructor as below:

public Preview(Context context, AttributeSet attrs) {
    super(context, attrs);
    mSurfaceView = new SurfaceView(context);
    addView(mSurfaceView);

    // Install a SurfaceHolder.Callback so we get notified when the
    // underlying surface is created and destroyed.
    mHolder = mSurfaceView.getHolder();
    mHolder.addCallback(this);
    mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}

Sample layout file with sample width and height:

In the onCreate() method of the CameraPreview activity, change the setContentView part as followed:

setContentView(R.layout.camera_layout);
mPreview = (Preview) findViewById(R.id.camera_view);