@Override
public void surfaceDestroyed(SurfaceHolder holder) {
boolean retry = true;
plot_thread.setRunning(false);
while (retry) {
try {
plot_thread.join();
retry = false;
} catch (InterruptedException e) {
}
}
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
plot_thread.setRunning(true);
plot_thread.start();
}