PhoneCapabilityTester.java revision c21751ddc1a91453a37273ace9e24907bb54cc99 
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
17package com.android.contacts.util;
18
19import android.content.Context;
20import android.content.Intent;
21import android.content.pm.PackageManager;
22import android.content.pm.ResolveInfo;
23import android.net.Uri;
24import android.net.sip.SipManager;
25import android.provider.MediaStore;
26import android.telephony.TelephonyManager;
27
28import com.android.contacts.common.CallUtil;
29import com.android.contacts.R;
30
31import java.util.List;
32
33/**
34 * Provides static functions to quickly test the capabilities of this device. The static
35 * members are not safe for threading
36 */
37public final class PhoneCapabilityTester {
38    private static boolean sIsInitialized;
39    private static boolean sIsPhone;
40    private static boolean sIsSipPhone;
41
42    /**
43     * Tests whether the Intent has a receiver registered. This can be used to show/hide
44     * functionality (like Phone, SMS)
45     */
46    public static boolean isIntentRegistered(Context context, Intent intent) {
47        final PackageManager packageManager = context.getPackageManager();
48        final List<ResolveInfo> receiverList = packageManager.queryIntentActivities(intent,
49                PackageManager.MATCH_DEFAULT_ONLY);
50        return receiverList.size() > 0;
51    }
52
53    /**
54     * Returns true if this device can be used to make phone calls
55     */
56    public static boolean isPhone(Context context) {
57        if (!sIsInitialized) initialize(context);
58        // Is the device physically capabable of making phone calls?
59        return sIsPhone;
60    }
61
62    private static void initialize(Context context) {
63        final TelephonyManager telephonyManager = new TelephonyManager(context);
64        sIsPhone = telephonyManager.isVoiceCapable();
65        sIsSipPhone = sIsPhone && SipManager.isVoipSupported(context);
66        sIsInitialized = true;
67    }
68
69    /**
70     * Returns true if this device can be used to make sip calls
71     */
72    public static boolean isSipPhone(Context context) {
73        if (!sIsInitialized) initialize(context);
74        return sIsSipPhone;
75    }
76
77    /**
78     * Returns true if the device has an SMS application installed.
79     */
80    public static boolean isSmsIntentRegistered(Context context) {
81        // Don't cache the result as the user might install third party apps to send SMS
82        final Intent intent = new Intent(Intent.ACTION_SENDTO,
83                Uri.fromParts(CallUtil.SCHEME_SMSTO, "", null));
84        return isIntentRegistered(context, intent);
85    }
86
87    /**
88     * Returns true if there is a camera on the device
89     */
90    public static boolean isCameraIntentRegistered(Context context) {
91        final Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
92        return isIntentRegistered(context, intent);
93    }
94
95    /**
96     * True if we are using two-pane layouts ("tablet mode"), false if we are using single views
97     * ("phone mode")
98     */
99    public static boolean isUsingTwoPanes(Context context) {
100        return context.getResources().getBoolean(R.bool.config_use_two_panes);
101    }
102
103    /**
104     * True if the favorites tab should be shown in two-pane mode.  False, otherwise.
105     */
106    public static boolean isUsingTwoPanesInFavorites(Context context) {
107        return context.getResources().getBoolean(R.bool.config_use_two_panes_in_favorites);
108    }
109}
110