get Ui Thread Looper - Android java.lang

Android examples for java.lang:Thread

Description

get Ui Thread Looper

Demo Code

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
//package com.java2s;

import android.os.Handler;
import android.os.Looper;

public class Main {
    private static final Object sLock = new Object();
    private static boolean sWillOverride = false;
    private static Handler sUiThreadHandler = null;

    public static Looper getUiThreadLooper() {
        return getUiThreadHandler().getLooper();
    }//from  w ww.  j av a2 s  .  c o m

    private static Handler getUiThreadHandler() {
        synchronized (sLock) {
            if (sUiThreadHandler == null) {
                if (sWillOverride) {
                    throw new RuntimeException(
                            "Did not yet override the UI thread");
                }
                sUiThreadHandler = new Handler(Looper.getMainLooper());
            }
            return sUiThreadHandler;
        }
    }
}

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