As part of my android application development study, I developed a simple SOS application by accessing LED Flash light. Every thing working fine and LED blinking at the interval of 1/2 seconds. But When user press the back button in phone, the application get quit and after 1/2 second a "Crash/Force Close" message coming. I am a noob to android development and whats wrong with my code ?
private boolean lOn=true;
Timer mTimer = new Timer();
TimerTask mTimerTask = new TimerTask() {
@Override
public void run() {
if(lOn){
final Parameters p = camera.getParameters();
Log.i("info", "torch is turn Off!");
p.setFlashMode(Parameters.FLASH_MODE_TORCH);
camera.setParameters(p);
camera.startPreview();
lOn=false;
}
else {
final Parameters p = camera.getParameters();
p.setFlashMode(Parameters.FLASH_MODE_OFF);
camera.setParameters(p);
camera.stopPreview();
isLighOn = false;
lOn=true;
}
}
};