public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
Log.d(TAG, "call surfaceChanged event");
synchronized (mSyncObject) {
if (!mSurfaceExist) {
mSurfaceExist = true;
checkCurrentState();
} else {
/** Surface changed. We need to stop camera and restart with new parameters */
/* Pretend that old surface has been destroyed */
mSurfaceExist = false;
checkCurrentState();
/* Now use new surface. Say we have it now */
mSurfaceExist = true;
checkCurrentState();
}
}
}
/**
* This method is provided for clients, so they can disable camera connection and stop the
* delivery of frames even though the surface view itself is not destroyed and still stays on the
* scren
*/
public void disableView() {
synchronized (mSyncObject) {
mEnabled = false;
checkCurrentState();
}
}
/**
* This method is provided for clients, so they can enable the camera connection. The actual
* onCameraViewStarted callback will be delivered only after both this method is called and
* surface is available
*/
public void enableView() {
synchronized (mSyncObject) {
mEnabled = true;
checkCurrentState();
}
}
public void surfaceDestroyed(SurfaceHolder holder) {
synchronized (mSyncObject) {
mSurfaceExist = false;
checkCurrentState();
}
}