public static Looper mineOrMain() {
        Looper looper = Looper.myLooper();
        return looper != null ? looper : Looper.getMainLooper();
    }
public static Looper mineOrMain() {
        Looper looper = Looper.myLooper();
        return looper != null ? looper : Looper.getMainLooper();
    }
public static Looper mineOrMain ( ) { Looper looper = Looper . myLooper ( ) ; return looper != null ? looper : Looper . getMainLooper ( ) ; }
Get this thread's Looper, if it's a Looper thread. Otherwise get the main thread Looper.
Get this thread s Looper if it s a Looper thread . Otherwise get the main thread Looper .