Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- public class Flashlight extends Activity {
- private static Camera cam = null;
- private Camera.Parameters par;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_flashlight);
- Context context = this;
- PackageManager packageManager = context.getPackageManager();
- blink();
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- // Inflate the menu; this adds items to the action bar if it is present.
- getMenuInflater().inflate(R.menu.flashlight, menu);
- return true;
- }
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- // Handle action bar item clicks here. The action bar will
- // automatically handle clicks on the Home/Up button, so long
- // as you specify a parent activity in AndroidManifest.xml.
- int id = item.getItemId();
- if (id == R.id.action_settings) {
- return true;
- }
- return super.onOptionsItemSelected(item);
- }
- public void blink() {
- for (int i = 0; i < 10; i++) {
- cameraon();
- cameraoff();
- }
- }
- public void cameraon() {
- if (getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)) {
- cam = Camera.open();
- try {
- cam.setPreviewTexture(new SurfaceTexture(0));
- } catch (IOException e) {
- e.printStackTrace();
- }
- par = cam.getParameters();
- par.setFlashMode(par.FLASH_MODE_ON);
- par.setFlashMode(par.FLASH_MODE_TORCH);
- cam.setParameters(par);
- cam.startPreview();
- }
- }
- public void cameraoff(){
- par.setFlashMode(par.FLASH_MODE_OFF);
- cam.setParameters(par);
- cam.stopPreview();
- cam.release();
- cam = null;
- }
- }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement