ToastUtils.java revision 95961816a768da387f0b5523cf4363ace2044089 
1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.tv.util;
18
19import android.content.Context;
20import android.support.annotation.MainThread;
21import android.widget.Toast;
22import java.lang.ref.WeakReference;
23
24/** A utility class for the toast message. */
25public class ToastUtils {
26    private static WeakReference<Toast> sToast;
27
28    /** Shows the toast message after canceling the previous one. */
29    @MainThread
30    public static void show(Context context, CharSequence text, int duration) {
31        if (sToast != null && sToast.get() != null) {
32            sToast.get().cancel();
33        }
34        Toast toast = Toast.makeText(context, text, duration);
35        toast.show();
36        sToast = new WeakReference<>(toast);
37    }
38}
39