Android log usage and Android log usage

Android log usage and Android log usage

Private static final String ACTIVITY_TAG = "MainActivity ";

 

Log. v (MainActivity. ACTIVITY_TAG, "This is Verbose ");
Log. d (MainActivity. ACTIVITY_TAG, "This is Debug .");
Log. I (MainActivity. ACTIVITY_TAG, "This is Information ");
Log. w (MainActivity. ACTIVITY_TAG, "This is Warnning .");
Log. e (MainActivity. ACTIVITY_TAG, "This is Error .");

View the specified Tag in Eclipse logcat

Tag: MainActivity

You can also

System. out. println ("tag by System out ");

Tag: System. out

 

To view a variable, You need to convert the variable to the String type.

Int k = 563;
Log. v (MainActivity. ACTIVITY_TAG, "This is Verbose k =" + k );