Edit: if the targetSDK is greater than 10, putting the app to sleep calls onPause and onStop. Source I looked at the lifecycle of both the Activity and the SurfaceView in a tiny camera app on my gingerbread phone. You are entirely correct; the surface is not destroyed when the power button is pressed to … Read more
Try to replace View v = inflater.inflate(R.layout.camera_fragment, parent); With View v = inflater.inflate(R.layout.camera_fragment, parent, false); or View v = inflater.inflate(R.layout.camera_fragment, null);
You can have multiple SurfaceViewsin one layout. The “Multi-surface test” activity in Grafika has three. The first post cited in @nonsleepr’s answer was followed up 9 months later with this post by the same author, which mentioned the existence of SurfaceView#setZOrderMediaOverlay(). The key thing to understand is that SurfaceView is not a regular view. When … Read more
After spending some time and learning about Android graphics architecture a bit more than desirable, I have got it to work. All necessary pieces are well-documented, but can cause headaches, if you aren’t already familiar with OpenGL, so here is a nice summary “for dummies”. I am assuming that you Know about Grafika, an unofficial … Read more
how to create and save a screenshot from a surfaceview? [duplicate]
try to use Surface View for creating dynamic camera view and set in your required portion. following code try variables set Class level (Global) Button btn_capture; Camera camera1; SurfaceView surfaceView; SurfaceHolder surfaceHolder; public static boolean previewing = false; Following code in onCreate() method getWindow().setFormat(PixelFormat.UNKNOWN); surfaceView = new SurfaceView(this); surfaceHolder = surfaceView.getHolder(); surfaceHolder.addCallback(this); surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); btn_capture = … Read more
I finally solved this . Below i give some code for anyone who wants to know how to take screenshots of a layout ,pictures from the camera without intent, screenshots(sort of) of the content of a surfaceView and save the screen shot in a folder : public class Cam_View extends Activity implements SurfaceHolder.Callback { protected … Read more
I think I found the reason for the black flash. In my case I’m using a SurfaceView inside a Fragment and dynamically adding this fragment to the activity after some action. The moment when I add the fragment to the activity, the screen flashes black. I checked out grepcode for the SurfaceView source and here’s … Read more
VideoView does not support rotation of video even if composition matrix is set correctly and rotation attribute is used. What you can do is to use TextureView and set its attribute rotation=”90″ (for example). It then will rotate the frames but the aspect ratio is something that you need to handle your self. In order … Read more
Ok. So here is the solution: I am not adding any try catch. This is simply for the capturing the image and storing it into the sdcard. public class VideoServer extends Activity implements SurfaceHolder.Callback { TextView testView; Camera camera; SurfaceView surfaceView; SurfaceHolder surfaceHolder; PictureCallback rawCallback; ShutterCallback shutterCallback; PictureCallback jpegCallback; private final String tag = “VideoServer”; … Read more