1 /* 2 * Copyright (C) 2010 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.contacts.util; 18 19 import com.android.contacts.R; 20 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.net.Uri; 26 import android.net.sip.SipManager; 27 import android.telephony.TelephonyManager; 28 29 import java.util.List; 30 31 /** 32 * Provides static functions to quickly test the capabilities of this device. The static 33 * members are not safe for threading 34 */ 35 public final class PhoneCapabilityTester { 36 private static boolean sIsInitialized; 37 private static boolean sIsPhone; 38 private static boolean sIsSipPhone; 39 40 /** 41 * Tests whether the Intent has a receiver registered. This can be used to show/hide 42 * functionality (like Phone, SMS) 43 */ isIntentRegistered(Context context, Intent intent)44 public static boolean isIntentRegistered(Context context, Intent intent) { 45 final PackageManager packageManager = context.getPackageManager(); 46 final List<ResolveInfo> receiverList = packageManager.queryIntentActivities(intent, 47 PackageManager.MATCH_DEFAULT_ONLY); 48 return receiverList.size() > 0; 49 } 50 51 /** 52 * Returns true if this device can be used to make phone calls 53 */ isPhone(Context context)54 public static boolean isPhone(Context context) { 55 if (!sIsInitialized) initialize(context); 56 // Is the device physically capabable of making phone calls? 57 return sIsPhone; 58 } 59 initialize(Context context)60 private static void initialize(Context context) { 61 final TelephonyManager telephonyManager = new TelephonyManager(context); 62 sIsPhone = telephonyManager.isVoiceCapable(); 63 sIsSipPhone = sIsPhone && SipManager.isVoipSupported(context); 64 sIsInitialized = true; 65 } 66 67 /** 68 * Returns true if this device can be used to make sip calls 69 */ isSipPhone(Context context)70 public static boolean isSipPhone(Context context) { 71 if (!sIsInitialized) initialize(context); 72 return sIsSipPhone; 73 } 74 75 /** 76 * Returns true if the device has an SMS application installed. 77 */ isSmsIntentRegistered(Context context)78 public static boolean isSmsIntentRegistered(Context context) { 79 // Don't cache the result as the user might install third party apps to send SMS 80 final Intent intent = new Intent(Intent.ACTION_SENDTO, 81 Uri.fromParts(Constants.SCHEME_SMSTO, "", null)); 82 return isIntentRegistered(context, intent); 83 } 84 85 /** 86 * True if we are using two-pane layouts ("tablet mode"), false if we are using single views 87 * ("phone mode") 88 */ isUsingTwoPanes(Context context)89 public static boolean isUsingTwoPanes(Context context) { 90 return context.getResources().getBoolean(R.bool.config_use_two_panes); 91 } 92 } 93