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.ui; 18 19 import android.app.AlertDialog; 20 import android.content.Context; 21 import android.content.DialogInterface; 22 import android.content.res.Resources; 23 24 import com.android.tv.common.SoftPreconditions; 25 26 public final class DialogUtils { 27 28 /** 29 * Shows a list in a Dialog. 30 * 31 * @param itemResIds String resource id for each item 32 * @param runnables Runnable for each item 33 */ showListDialog(Context context, int[] itemResIds, final Runnable[] runnables)34 public static void showListDialog(Context context, int[] itemResIds, 35 final Runnable[] runnables) { 36 int size = itemResIds.length; 37 SoftPreconditions.checkState(size == runnables.length); 38 DialogInterface.OnClickListener onClickListener 39 = new DialogInterface.OnClickListener() { 40 @Override 41 public void onClick(final DialogInterface dialog, int which) { 42 Runnable runnable = runnables[which]; 43 if (runnable != null) { 44 runnable.run(); 45 } 46 dialog.dismiss(); 47 } 48 }; 49 CharSequence[] items = new CharSequence[itemResIds.length]; 50 Resources res = context.getResources(); 51 for (int i = 0; i < size; ++i) { 52 items[i] = res.getString(itemResIds[i]); 53 } 54 new AlertDialog.Builder(context) 55 .setItems(items, onClickListener) 56 .create() 57 .show(); 58 } 59 DialogUtils()60 private DialogUtils() { } 61 } 62