1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.accounts;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import com.android.settings.SettingsPreferenceFragment;
import com.google.android.collect.Maps;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AuthenticatorDescription;
import android.accounts.OnAccountsUpdateListener;
import android.content.ContentResolver;
import android.content.Context;
import android.content.SyncAdapterType;
import android.content.SyncStatusObserver;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.util.Log;
class AccountPreferenceBase extends SettingsPreferenceFragment
implements OnAccountsUpdateListener {
protected static final String TAG = "AccountSettings";
public static final String AUTHORITIES_FILTER_KEY = "authorities";
public static final String ACCOUNT_TYPES_FILTER_KEY = "account_types";
private Map<String, AuthenticatorDescription> mTypeToAuthDescription
= new HashMap<String, AuthenticatorDescription>();
protected AuthenticatorDescription[] mAuthDescs;
private final Handler mHandler = new Handler();
private Object mStatusChangeListenerHandle;
private HashMap<String, ArrayList<String>> mAccountTypeToAuthorities = null;
/**
* Overload to handle account updates.
*/
public void onAccountsUpdated(Account[] accounts) {
}
/**
* Overload to handle authenticator description updates
*/
protected void onAuthDescriptionsUpdated() {
}
/**
* Overload to handle sync state updates.
*/
protected void onSyncStateUpdated() {
}
@Override
public void onResume() {
super.onResume();
mStatusChangeListenerHandle = ContentResolver.addStatusChangeListener(
ContentResolver.SYNC_OBSERVER_TYPE_ACTIVE
| ContentResolver.SYNC_OBSERVER_TYPE_STATUS
| ContentResolver.SYNC_OBSERVER_TYPE_SETTINGS,
mSyncStatusObserver);
onSyncStateUpdated();
}
@Override
public void onPause() {
super.onPause();
ContentResolver.removeStatusChangeListener(mStatusChangeListenerHandle);
}
private SyncStatusObserver mSyncStatusObserver = new SyncStatusObserver() {
public void onStatusChanged(int which) {
mHandler.post(new Runnable() {
public void run() {
onSyncStateUpdated();
}
});
}
};
public ArrayList<String> getAuthoritiesForAccountType(String type) {
if (mAccountTypeToAuthorities == null) {
mAccountTypeToAuthorities = Maps.newHashMap();
SyncAdapterType[] syncAdapters = ContentResolver.getSyncAdapterTypes();
for (int i = 0, n = syncAdapters.length; i < n; i++) {
final SyncAdapterType sa = syncAdapters[i];
ArrayList<String> authorities = mAccountTypeToAuthorities.get(sa.accountType);
if (authorities == null) {
authorities = new ArrayList<String>();
mAccountTypeToAuthorities.put(sa.accountType, authorities);
}
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.d(TAG, "added authority " + sa.authority + " to accountType "
+ sa.accountType);
}
authorities.add(sa.authority);
}
}
return mAccountTypeToAuthorities.get(type);
}
/**
* Gets an icon associated with a particular account type. If none found, return null.
* @param accountType the type of account
* @return a drawable for the icon or null if one cannot be found.
*/
protected Drawable getDrawableForType(final String accountType) {
Drawable icon = null;
if (mTypeToAuthDescription.containsKey(accountType)) {
try {
AuthenticatorDescription desc = mTypeToAuthDescription.get(accountType);
Context authContext = getActivity().createPackageContext(desc.packageName, 0);
icon = authContext.getResources().getDrawable(desc.iconId);
} catch (PackageManager.NameNotFoundException e) {
// TODO: place holder icon for missing account icons?
Log.w(TAG, "No icon name for account type " + accountType);
} catch (Resources.NotFoundException e) {
// TODO: place holder icon for missing account icons?
Log.w(TAG, "No icon resource for account type " + accountType);
}
}
return icon;
}
/**
* Gets the label associated with a particular account type. If none found, return null.
* @param accountType the type of account
* @return a CharSequence for the label or null if one cannot be found.
*/
protected CharSequence getLabelForType(final String accountType) {
CharSequence label = null;
if (mTypeToAuthDescription.containsKey(accountType)) {
try {
AuthenticatorDescription desc = mTypeToAuthDescription.get(accountType);
Context authContext = getActivity().createPackageContext(desc.packageName, 0);
label = authContext.getResources().getText(desc.labelId);
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, "No label name for account type " + accountType);
} catch (Resources.NotFoundException e) {
Log.w(TAG, "No label icon for account type " + accountType);
}
}
return label;
}
/**
* Gets the preferences.xml file associated with a particular account type.
* @param accountType the type of account
* @return a PreferenceScreen inflated from accountPreferenceId.
*/
protected PreferenceScreen addPreferencesForType(final String accountType) {
PreferenceScreen prefs = null;
if (mTypeToAuthDescription.containsKey(accountType)) {
AuthenticatorDescription desc = null;
try {
desc = mTypeToAuthDescription.get(accountType);
if (desc != null && desc.accountPreferencesId != 0) {
Context authContext = getActivity().createPackageContext(desc.packageName, 0);
prefs = getPreferenceManager().inflateFromResource(authContext,
desc.accountPreferencesId, getPreferenceScreen());
}
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, "Couldn't load preferences.xml file from " + desc.packageName);
} catch (Resources.NotFoundException e) {
Log.w(TAG, "Couldn't load preferences.xml file from " + desc.packageName);
}
}
return prefs;
}
/**
* Updates provider icons. Subclasses should call this in onCreate()
* and update any UI that depends on AuthenticatorDescriptions in onAuthDescriptionsUpdated().
*/
protected void updateAuthDescriptions() {
mAuthDescs = AccountManager.get(getActivity()).getAuthenticatorTypes();
for (int i = 0; i < mAuthDescs.length; i++) {
mTypeToAuthDescription.put(mAuthDescs[i].type, mAuthDescs[i]);
}
onAuthDescriptionsUpdated();
}
}
|
