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