1 /* 2 * Copyright (C) 2017 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.incallui.wifi; 18 19 import android.app.AlertDialog; 20 import android.app.Dialog; 21 import android.content.Context; 22 import android.content.DialogInterface; 23 import android.content.DialogInterface.OnClickListener; 24 import android.content.Intent; 25 import android.support.annotation.NonNull; 26 import android.telecom.DisconnectCause; 27 import android.util.Pair; 28 import com.android.dialer.common.Assert; 29 import com.android.dialer.common.LogUtil; 30 31 /** Prompts the user to enable Wi-Fi calling. */ 32 public class EnableWifiCallingPrompt { 33 // This is a hidden constant in android.telecom.DisconnectCause. Telecom sets this as a disconnect 34 // reason if it wants us to prompt the user to enable Wi-Fi calling. In Android-O we might 35 // consider using a more explicit way to signal this. 36 private static final String REASON_WIFI_ON_BUT_WFC_OFF = "REASON_WIFI_ON_BUT_WFC_OFF"; 37 private static final String ACTION_WIFI_CALLING_SETTINGS = 38 "android.settings.WIFI_CALLING_SETTINGS"; 39 private static final String ANDROID_SETTINGS_PACKAGE = "com.android.settings"; 40 shouldShowPrompt(@onNull DisconnectCause cause)41 public static boolean shouldShowPrompt(@NonNull DisconnectCause cause) { 42 Assert.isNotNull(cause); 43 if (cause.getReason() != null && cause.getReason().startsWith(REASON_WIFI_ON_BUT_WFC_OFF)) { 44 LogUtil.i( 45 "EnableWifiCallingPrompt.shouldShowPrompt", 46 "showing prompt for disconnect cause: %s", 47 cause); 48 return true; 49 } 50 return false; 51 } 52 53 @NonNull createDialog( final @NonNull Context context, @NonNull DisconnectCause cause)54 public static Pair<Dialog, CharSequence> createDialog( 55 final @NonNull Context context, @NonNull DisconnectCause cause) { 56 Assert.isNotNull(context); 57 Assert.isNotNull(cause); 58 CharSequence message = cause.getDescription(); 59 Dialog dialog = 60 new AlertDialog.Builder(context) 61 .setMessage(message) 62 .setPositiveButton( 63 R.string.incall_enable_wifi_calling_button, 64 new OnClickListener() { 65 @Override 66 public void onClick(DialogInterface dialog, int which) { 67 openWifiCallingSettings(context); 68 } 69 }) 70 .setNegativeButton(android.R.string.cancel, null) 71 .create(); 72 return new Pair<Dialog, CharSequence>(dialog, message); 73 } 74 openWifiCallingSettings(@onNull Context context)75 private static void openWifiCallingSettings(@NonNull Context context) { 76 LogUtil.i("EnableWifiCallingPrompt.openWifiCallingSettings", "opening settings"); 77 context.startActivity( 78 new Intent(ACTION_WIFI_CALLING_SETTINGS).setPackage(ANDROID_SETTINGS_PACKAGE)); 79 } 80 EnableWifiCallingPrompt()81 private EnableWifiCallingPrompt() {} 82 } 83