[Android] Ouput log/message in android

Ouput log/message in android

You could use Log class for debugging in android.

1. Define a variable for TAG

static final String TAG = "TestActivity";

 

2. Call one of below methods

Log.d: Debugging

Log.e: Error

Log.i: Information
Log.v: Vorbose
Log.w: Wrarning

3. input codes to ouput

 

protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.i(TAG, "onCreate()"); }

 

4. Check messages in Logcat