Telephony. Messaging. Sending sms messages programmatically

return getResources().getConfiguration().keyboard != Configuration.KEYBOARD_NOKEYS;
}
private boolean IsHardwareMenuButtonPresent() {
return ViewConfiguration.get(this).hasPermanentMenuKey();
}
private boolean IsFrontCameraPresent() {
return getPackageManager().hasSystemFeature( PackageManager.FEATURE_CAMERA_FRONT);
}
private boolean IsGPSPresent() {
return getPackageManager().hasSystemFeature( PackageManager.FEATURE_LOCATION_GPS);
}
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_CENTER: Toast.makeText(this, "The Center key was pressed", Toast.LENGTH_SHORT).show();
return true;
case KeyEvent.KEYCODE_DPAD_RIGHT: Toast.makeText(this, "The Right key was pressed", Toast.LENGTH_SHORT).show();
return true;
case KeyEvent.KEYCODE_DPAD_LEFT:
Toast.makeText(this, "The Left key was pressed", Toast.LENGTH_SHORT).show(); return true;
case KeyEvent.KEYCODE_BACK:
Toast.makeText(this, "The Back key was pressed", Toast.LENGTH_SHORT).show();
//---this event has been handled---return true;
}
return false;
}

Flashlight dan foydalanish

▶ Android qurilmalarida flashlight dan foydalanish uchun AndroidManifest.xml faylida quyidagi ikkita permission ishlatiladi:

▶

▶ android:name="android.permission.FLASHLIGHT"/>
▶ O‘z navbatida SurfaceView ob’ektidan foydalaniladi (rasmga olish jarayonida ob’ektni oldindan ko‘rib turish uchun ishlatiladi).

FlashLight dan foydalanish: Misol
android:orientation="vertical" >