public class MainActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final CameraSurfaceView cameraView = new CameraSurfaceView(getApplicationContext());
FrameLayout previewFrame = (FrameLayout) findViewById(R.id.previewFrame);
previewFrame.addView(cameraView);
Button saveBtn = (Button) findViewById(R.id.saveBtn);
saveBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View vv) {
Bitmap bm = Bitmap.createBitmap(viewToBitmap(cameraView));
if (bm != null) {
try {
String path = Environment.getExternalStorageDirectory().toString();
OutputStream fOut = null;
File file = new File(path + "/", "screentest.jpg");
fOut = new FileOutputStream(file);
bm.compress(Bitmap.CompressFormat.JPEG, 85, fOut);
fOut.flush();
fOut.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
});
}
private class CameraSurfaceView extends SurfaceView implements SurfaceHolder.Callback {
private SurfaceHolder mHolder;
private Camera camera = null;
public CameraSurfaceView(Context context) {
super(context);
mHolder = getHolder();
mHolder.addCallback(this);
}
public void surfaceCreated(SurfaceHolder holder) {
camera = Camera.open();
try {
camera.setPreviewDisplay(mHolder);
} catch (Exception e) {
Log.e("CameraSurfaceView", "Failed to set camera preview.", e);
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
camera.startPreview();
}
public void surfaceDestroyed(SurfaceHolder holder) {
camera.stopPreview();
camera.release();
camera = null;
}
}
public static Bitmap viewToBitmap(View view) {
Bitmap bitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
if (view instanceof SurfaceView) {
SurfaceView surfaceView = (SurfaceView) view;
surfaceView.setZOrderOnTop(true);
surfaceView.draw(canvas);
surfaceView.setZOrderOnTop(false);
return bitmap;
} else{
view.draw(canvas);
return bitmap;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
카메라 프리뷰 중에 화면 캡쳐시 검은 화면으로 캡쳐 됩니다.
도와주세요...
