1 /* 2 * Copyright (C) 2015 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.calculator2; 18 19 import android.app.Activity; 20 import android.app.AlertDialog; 21 import android.app.Dialog; 22 import android.app.DialogFragment; 23 import android.content.Context; 24 import android.os.Bundle; 25 import android.view.LayoutInflater; 26 import android.widget.TextView; 27 28 public class AlertDialogFragment extends DialogFragment { 29 30 private static final String NAME = AlertDialogFragment.class.getName(); 31 private static final String KEY_MESSAGE = NAME + "_message"; 32 private static final String KEY_BUTTON_NEGATIVE = NAME + "_button_negative"; 33 34 public static void showMessageDialog(Activity activity, CharSequence message) { 35 final Bundle args = new Bundle(); 36 args.putCharSequence(KEY_MESSAGE, message); 37 args.putCharSequence(KEY_BUTTON_NEGATIVE, activity.getString(R.string.dismiss)); 38 39 final AlertDialogFragment dialogFragment = new AlertDialogFragment(); 40 dialogFragment.setArguments(args); 41 dialogFragment.show(activity.getFragmentManager(), null /* tag */); 42 } 43 44 public AlertDialogFragment() { 45 setStyle(STYLE_NO_TITLE, android.R.attr.alertDialogTheme); 46 } 47 48 @Override 49 public Dialog onCreateDialog(Bundle savedInstanceState) { 50 final Bundle args = getArguments() == null ? Bundle.EMPTY : getArguments(); 51 final Context context = getContext(); 52 final LayoutInflater inflater = LayoutInflater.from(context); 53 final TextView textView = (TextView) inflater.inflate(R.layout.dialog_message, 54 null /* root */); 55 textView.setText(args.getCharSequence(KEY_MESSAGE)); 56 return new AlertDialog.Builder(context) 57 .setView(textView) 58 .setNegativeButton(args.getCharSequence(KEY_BUTTON_NEGATIVE), null /* listener */) 59 .create(); 60 } 61 } 62