AppInfoBase.java revision a8cac7a409957830c3e05acf346824ca47754a34 
1/*
2 * Copyright (C) 2015 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.settings.applications;
18
19import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
20
21import android.app.Activity;
22import android.app.AlertDialog;
23import android.app.Dialog;
24import android.app.DialogFragment;
25import android.app.Fragment;
26import android.app.admin.DevicePolicyManager;
27import android.content.BroadcastReceiver;
28import android.content.Context;
29import android.content.Intent;
30import android.content.IntentFilter;
31import android.content.pm.PackageInfo;
32import android.content.pm.PackageManager;
33import android.content.pm.PackageManager.NameNotFoundException;
34import android.hardware.usb.IUsbManager;
35import android.os.Bundle;
36import android.os.IBinder;
37import android.os.ServiceManager;
38import android.os.UserHandle;
39import android.os.UserManager;
40import android.text.TextUtils;
41import android.util.Log;
42
43import com.android.internal.logging.nano.MetricsProto;
44import com.android.settings.SettingsActivity;
45import com.android.settings.SettingsPreferenceFragment;
46import com.android.settings.Utils;
47import com.android.settings.applications.manageapplications.ManageApplications;
48import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
49import com.android.settings.overlay.FeatureFactory;
50import com.android.settings.wrapper.DevicePolicyManagerWrapper;
51import com.android.settingslib.RestrictedLockUtils;
52import com.android.settingslib.applications.ApplicationsState;
53import com.android.settingslib.applications.ApplicationsState.AppEntry;
54
55import java.util.ArrayList;
56
57public abstract class AppInfoBase extends SettingsPreferenceFragment
58        implements ApplicationsState.Callbacks {
59
60    public static final String ARG_PACKAGE_NAME = "package";
61    public static final String ARG_PACKAGE_UID = "uid";
62
63    protected static final String TAG = AppInfoBase.class.getSimpleName();
64    protected static final boolean localLOGV = false;
65
66    protected EnforcedAdmin mAppsControlDisallowedAdmin;
67    protected boolean mAppsControlDisallowedBySystem;
68
69    protected ApplicationFeatureProvider mApplicationFeatureProvider;
70    protected ApplicationsState mState;
71    protected ApplicationsState.Session mSession;
72    protected ApplicationsState.AppEntry mAppEntry;
73    protected PackageInfo mPackageInfo;
74    protected int mUserId;
75    protected String mPackageName;
76
77    protected IUsbManager mUsbManager;
78    protected DevicePolicyManagerWrapper mDpm;
79    protected UserManager mUserManager;
80    protected PackageManager mPm;
81
82    // Dialog identifiers used in showDialog
83    protected static final int DLG_BASE = 0;
84
85    protected boolean mFinishing;
86    protected boolean mListeningToPackageRemove;
87
88    @Override
89    public void onCreate(Bundle savedInstanceState) {
90        super.onCreate(savedInstanceState);
91        mFinishing = false;
92        final Activity activity = getActivity();
93        mApplicationFeatureProvider = FeatureFactory.getFactory(activity)
94                .getApplicationFeatureProvider(activity);
95        mState = ApplicationsState.getInstance(activity.getApplication());
96        mSession = mState.newSession(this, getLifecycle());
97        mDpm = new DevicePolicyManagerWrapper(
98                (DevicePolicyManager) activity.getSystemService(Context.DEVICE_POLICY_SERVICE));
99        mUserManager = (UserManager) activity.getSystemService(Context.USER_SERVICE);
100        mPm = activity.getPackageManager();
101        IBinder b = ServiceManager.getService(Context.USB_SERVICE);
102        mUsbManager = IUsbManager.Stub.asInterface(b);
103
104        retrieveAppEntry();
105        startListeningToPackageRemove();
106    }
107
108    @Override
109    public void onResume() {
110        super.onResume();
111        mAppsControlDisallowedAdmin = RestrictedLockUtils.checkIfRestrictionEnforced(getActivity(),
112                UserManager.DISALLOW_APPS_CONTROL, mUserId);
113        mAppsControlDisallowedBySystem = RestrictedLockUtils.hasBaseUserRestriction(getActivity(),
114                UserManager.DISALLOW_APPS_CONTROL, mUserId);
115
116        if (!refreshUi()) {
117            setIntentAndFinish(true, true);
118        }
119    }
120
121
122    @Override
123    public void onDestroy() {
124        stopListeningToPackageRemove();
125        super.onDestroy();
126    }
127
128    protected String retrieveAppEntry() {
129        final Bundle args = getArguments();
130        mPackageName = (args != null) ? args.getString(ARG_PACKAGE_NAME) : null;
131        if (mPackageName == null) {
132            Intent intent = (args == null) ?
133                    getActivity().getIntent() : (Intent) args.getParcelable("intent");
134            if (intent != null) {
135                mPackageName = intent.getData().getSchemeSpecificPart();
136            }
137        }
138        mUserId = UserHandle.myUserId();
139        mAppEntry = mState.getEntry(mPackageName, mUserId);
140        if (mAppEntry != null) {
141            // Get application info again to refresh changed properties of application
142            try {
143                mPackageInfo = mPm.getPackageInfo(mAppEntry.info.packageName,
144                        PackageManager.MATCH_DISABLED_COMPONENTS |
145                        PackageManager.MATCH_ANY_USER |
146                        PackageManager.GET_SIGNATURES |
147                        PackageManager.GET_PERMISSIONS);
148            } catch (NameNotFoundException e) {
149                Log.e(TAG, "Exception when retrieving package:" + mAppEntry.info.packageName, e);
150            }
151        } else {
152            Log.w(TAG, "Missing AppEntry; maybe reinstalling?");
153            mPackageInfo = null;
154        }
155
156        return mPackageName;
157    }
158
159    protected void setIntentAndFinish(boolean finish, boolean appChanged) {
160        if (localLOGV) Log.i(TAG, "appChanged="+appChanged);
161        Intent intent = new Intent();
162        intent.putExtra(ManageApplications.APP_CHG, appChanged);
163        SettingsActivity sa = (SettingsActivity)getActivity();
164        sa.finishPreferencePanel(this, Activity.RESULT_OK, intent);
165        mFinishing = true;
166    }
167
168    protected void showDialogInner(int id, int moveErrorCode) {
169        DialogFragment newFragment = MyAlertDialogFragment.newInstance(id, moveErrorCode);
170        newFragment.setTargetFragment(this, 0);
171        newFragment.show(getFragmentManager(), "dialog " + id);
172    }
173
174    protected abstract boolean refreshUi();
175    protected abstract AlertDialog createDialog(int id, int errorCode);
176
177    @Override
178    public void onRunningStateChanged(boolean running) {
179        // No op.
180    }
181
182    @Override
183    public void onRebuildComplete(ArrayList<AppEntry> apps) {
184        // No op.
185    }
186
187    @Override
188    public void onPackageIconChanged() {
189        // No op.
190    }
191
192    @Override
193    public void onPackageSizeChanged(String packageName) {
194        // No op.
195    }
196
197    @Override
198    public void onAllSizesComputed() {
199        // No op.
200    }
201
202    @Override
203    public void onLauncherInfoChanged() {
204        // No op.
205    }
206
207    @Override
208    public void onLoadEntriesCompleted() {
209        // No op.
210    }
211
212    @Override
213    public void onPackageListChanged() {
214        if (!refreshUi()) {
215            setIntentAndFinish(true, true);
216        }
217    }
218
219    public static void startAppInfoFragment(Class<?> fragment, int titleRes,
220            String pkg, int uid, Fragment source, int request, int sourceMetricsCategory) {
221        startAppInfoFragment(fragment, titleRes, pkg, uid, source.getActivity(), request,
222                sourceMetricsCategory);
223    }
224
225    public static void startAppInfoFragment(Class<?> fragment, int titleRes,
226            String pkg, int uid, Activity source, int request, int sourceMetricsCategory) {
227        Bundle args = new Bundle();
228        args.putString(AppInfoBase.ARG_PACKAGE_NAME, pkg);
229        args.putInt(AppInfoBase.ARG_PACKAGE_UID, uid);
230
231        Intent intent = Utils.onBuildStartFragmentIntent(source, fragment.getName(),
232                args, null, titleRes, null, false, sourceMetricsCategory);
233        source.startActivityForResultAsUser(intent, request,
234                new UserHandle(UserHandle.getUserId(uid)));
235    }
236
237    public static class MyAlertDialogFragment extends InstrumentedDialogFragment {
238
239        private static final String ARG_ID = "id";
240
241        @Override
242        public int getMetricsCategory() {
243            return MetricsProto.MetricsEvent.DIALOG_APP_INFO_ACTION;
244        }
245
246        @Override
247        public Dialog onCreateDialog(Bundle savedInstanceState) {
248            int id = getArguments().getInt(ARG_ID);
249            int errorCode = getArguments().getInt("moveError");
250            Dialog dialog = ((AppInfoBase) getTargetFragment()).createDialog(id, errorCode);
251            if (dialog == null) {
252                throw new IllegalArgumentException("unknown id " + id);
253            }
254            return dialog;
255        }
256
257        public static MyAlertDialogFragment newInstance(int id, int errorCode) {
258            MyAlertDialogFragment dialogFragment = new MyAlertDialogFragment();
259            Bundle args = new Bundle();
260            args.putInt(ARG_ID, id);
261            args.putInt("moveError", errorCode);
262            dialogFragment.setArguments(args);
263            return dialogFragment;
264        }
265    }
266
267    protected void startListeningToPackageRemove() {
268        if (mListeningToPackageRemove) {
269            return;
270        }
271        mListeningToPackageRemove = true;
272        final IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_REMOVED);
273        filter.addDataScheme("package");
274        getContext().registerReceiver(mPackageRemovedReceiver, filter);
275    }
276
277    protected void stopListeningToPackageRemove() {
278        if (!mListeningToPackageRemove) {
279            return;
280        }
281        mListeningToPackageRemove = false;
282        getContext().unregisterReceiver(mPackageRemovedReceiver);
283    }
284
285    protected void onPackageRemoved() {
286        getActivity().finishAndRemoveTask();
287    }
288
289    protected final BroadcastReceiver mPackageRemovedReceiver = new BroadcastReceiver() {
290        @Override
291        public void onReceive(Context context, Intent intent) {
292            String packageName = intent.getData().getSchemeSpecificPart();
293            if (!mFinishing && (mAppEntry == null || mAppEntry.info == null
294                    || TextUtils.equals(mAppEntry.info.packageName, packageName))) {
295                onPackageRemoved();
296            }
297        }
298    };
299
300}
301