PhoneCapabilityTester.java revision 76de0fada634c9fa73ade154a42ba9a96730ecae 
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.ComponentName;
20import android.content.Context;
21import android.content.Intent;
22import android.content.pm.PackageManager;
23import android.content.pm.ResolveInfo;
24import android.net.Uri;
25import android.net.sip.SipManager;
26import android.provider.MediaStore;
27import android.provider.Telephony;
28import android.telephony.TelephonyManager;
29
30import com.android.contacts.common.CallUtil;
31import com.android.contacts.R;
32
33import java.util.List;
34
35/**
36 * Provides static functions to quickly test the capabilities of this device. The static
37 * members are not safe for threading
38 */
39public final class PhoneCapabilityTester {
40    private static boolean sIsInitialized;
41    private static boolean sIsPhone;
42    private static boolean sIsSipPhone;
43
44    /**
45     * Tests whether the Intent has a receiver registered. This can be used to show/hide
46     * functionality (like Phone, SMS)
47     */
48    public static boolean isIntentRegistered(Context context, Intent intent) {
49        final PackageManager packageManager = context.getPackageManager();
50        final List<ResolveInfo> receiverList = packageManager.queryIntentActivities(intent,
51                PackageManager.MATCH_DEFAULT_ONLY);
52        return receiverList.size() > 0;
53    }
54
55    /**
56     * Returns true if this device can be used to make phone calls
57     */
58    public static boolean isPhone(Context context) {
59        if (!sIsInitialized) initialize(context);
60        // Is the device physically capabable of making phone calls?
61        return sIsPhone;
62    }
63
64    private static void initialize(Context context) {
65        final TelephonyManager telephonyManager = new TelephonyManager(context);
66        sIsPhone = telephonyManager.isVoiceCapable();
67        sIsSipPhone = sIsPhone && SipManager.isVoipSupported(context);
68        sIsInitialized = true;
69    }
70
71    /**
72     * Returns true if this device can be used to make sip calls
73     */
74    public static boolean isSipPhone(Context context) {
75        if (!sIsInitialized) initialize(context);
76        return sIsSipPhone;
77    }
78
79    /**
80     * Returns the component name to use for sending to sms or null.
81     */
82    public static ComponentName getSmsComponent(Context context) {
83        String smsPackage = Telephony.Sms.getDefaultSmsPackage(context);
84        if (smsPackage != null) {
85            final PackageManager packageManager = context.getPackageManager();
86            final Intent intent = new Intent(Intent.ACTION_SENDTO,
87                    Uri.fromParts(CallUtil.SCHEME_SMSTO, "", null));
88            final List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent, 0);
89            for (ResolveInfo resolveInfo : resolveInfos) {
90                if (smsPackage.equals(resolveInfo.activityInfo.packageName)) {
91                    return new ComponentName(smsPackage, resolveInfo.activityInfo.name);
92                }
93            }
94        }
95        return null;
96    }
97
98    /**
99     * Returns true if there is a camera on the device
100     */
101    public static boolean isCameraIntentRegistered(Context context) {
102        final Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
103        return isIntentRegistered(context, intent);
104    }
105
106    /**
107     * True if we are using two-pane layouts ("tablet mode"), false if we are using single views
108     * ("phone mode")
109     */
110    public static boolean isUsingTwoPanes(Context context) {
111        return context.getResources().getBoolean(R.bool.config_use_two_panes);
112    }
113
114    /**
115     * True if the favorites tab should be shown in two-pane mode.  False, otherwise.
116     */
117    public static boolean isUsingTwoPanesInFavorites(Context context) {
118        return context.getResources().getBoolean(R.bool.config_use_two_panes_in_favorites);
119    }
120}
121