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 17 package com.android.tv.util; 18 19 import android.content.Context; 20 import android.support.annotation.MainThread; 21 import android.widget.Toast; 22 23 import java.lang.ref.WeakReference; 24 25 /** 26 * A utility class for the toast message. 27 */ 28 public class ToastUtils { 29 private static WeakReference<Toast> sToast; 30 31 /** 32 * Shows the toast message after canceling the previous one. 33 */ 34 @MainThread show(Context context, CharSequence text, int duration)35 public static void show(Context context, CharSequence text, int duration) { 36 if (sToast != null && sToast.get() != null) { 37 sToast.get().cancel(); 38 } 39 Toast toast = Toast.makeText(context, text, duration); 40 toast.show(); 41 sToast = new WeakReference<>(toast); 42 } 43 } 44