Android: Developement Memo

since: 2016/08/19
update: 2016/10/13
reference:

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------

震動提示(Vibrate): (平板可能不會 work)

1. AndroidManifest.xml

<uses-permission android:name="android.permission.VIBRATE"/>

2. 匯入套件:

 import android.os.Vibrator;

3. 震動提示(Vibrate):
    Vibrator vibrator = (Vibrator) this.getSystemService(Context.VIBRATOR_SERVICE);
   

 // Vibrate for 500 milliseconds
 vibrator.vibrate(500);

-----------------------------------------------------------------------------------------------Refator:

-----------------------------------------------------------------------------------------------

Generate Signed APK Error:

=> 解決方式:
     只 import 會使用到的套件名稱.
     ex:
//@Google Play ------
import com.google.android.gms.maps.CameraUpdate;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapView;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;