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/*
* Copyright (C) 2015 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.applications;
import android.app.AlertDialog;
import android.app.AppOpsManager;
import android.app.admin.DevicePolicyManager;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import android.os.UserHandle;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.SwitchPreference;
import android.provider.Settings;
import android.util.Log;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.R;
import com.android.settings.applications.AppStateUsageBridge.UsageState;
public class UsageAccessDetails extends AppInfoWithHeader implements OnPreferenceChangeListener,
OnPreferenceClickListener {
private static final String KEY_APP_OPS_PREFERENCE_SCREEN = "app_ops_preference_screen";
private static final String KEY_APP_OPS_SETTINGS_SWITCH = "app_ops_settings_switch";
private static final String KEY_APP_OPS_SETTINGS_PREFS = "app_ops_settings_preference";
private static final String KEY_APP_OPS_SETTINGS_DESC = "app_ops_settings_description";
// Use a bridge to get the usage stats but don't initialize it to connect with all state.
// TODO: Break out this functionality into its own class.
private AppStateUsageBridge mUsageBridge;
private AppOpsManager mAppOpsManager;
private SwitchPreference mSwitchPref;
private Preference mUsagePrefs;
private Preference mUsageDesc;
private Intent mSettingsIntent;
private UsageState mUsageState;
private DevicePolicyManager mDpm;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Context context = getActivity();
mUsageBridge = new AppStateUsageBridge(context, mState, null);
mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
mDpm = context.getSystemService(DevicePolicyManager.class);
addPreferencesFromResource(R.xml.app_ops_permissions_details);
mSwitchPref = (SwitchPreference) findPreference(KEY_APP_OPS_SETTINGS_SWITCH);
mUsagePrefs = findPreference(KEY_APP_OPS_SETTINGS_PREFS);
mUsageDesc = findPreference(KEY_APP_OPS_SETTINGS_DESC);
getPreferenceScreen().setTitle(R.string.usage_access);
mSwitchPref.setTitle(R.string.permit_usage_access);
mUsagePrefs.setTitle(R.string.app_usage_preference);
mUsageDesc.setSummary(R.string.usage_access_description);
mSwitchPref.setOnPreferenceChangeListener(this);
mUsagePrefs.setOnPreferenceClickListener(this);
mSettingsIntent = new Intent(Intent.ACTION_MAIN)
.addCategory(Settings.INTENT_CATEGORY_USAGE_ACCESS_CONFIG)
.setPackage(mPackageName);
}
@Override
public boolean onPreferenceClick(Preference preference) {
if (preference == mUsagePrefs) {
if (mSettingsIntent != null) {
try {
getActivity().startActivityAsUser(mSettingsIntent, new UserHandle(mUserId));
} catch (ActivityNotFoundException e) {
Log.w(TAG, "Unable to launch app usage access settings " + mSettingsIntent, e);
}
}
return true;
}
return false;
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mSwitchPref) {
if (mUsageState != null && (Boolean) newValue != mUsageState.isPermissible()) {
if (mUsageState.isPermissible() && mDpm.isProfileOwnerApp(mPackageName)) {
new AlertDialog.Builder(getContext())
.setIcon(com.android.internal.R.drawable.ic_dialog_alert_material)
.setTitle(android.R.string.dialog_alert_title)
.setMessage(R.string.work_profile_usage_access_warning)
.setPositiveButton(R.string.okay, null)
.show();
}
setHasAccess(!mUsageState.isPermissible());
refreshUi();
}
return true;
}
return false;
}
private void setHasAccess(boolean newState) {
mAppOpsManager.setMode(AppOpsManager.OP_GET_USAGE_STATS, mPackageInfo.applicationInfo.uid,
mPackageName, newState ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED);
}
@Override
protected boolean refreshUi() {
mUsageState = mUsageBridge.getUsageInfo(mPackageName,
mPackageInfo.applicationInfo.uid);
boolean hasAccess = mUsageState.isPermissible();
mSwitchPref.setChecked(hasAccess);
mSwitchPref.setEnabled(mUsageState.permissionDeclared);
mUsagePrefs.setEnabled(hasAccess);
ResolveInfo resolveInfo = mPm.resolveActivityAsUser(mSettingsIntent,
PackageManager.GET_META_DATA, mUserId);
if (resolveInfo != null) {
if (findPreference(KEY_APP_OPS_SETTINGS_PREFS) == null) {
getPreferenceScreen().addPreference(mUsagePrefs);
}
Bundle metaData = resolveInfo.activityInfo.metaData;
mSettingsIntent.setComponent(new ComponentName(resolveInfo.activityInfo.packageName,
resolveInfo.activityInfo.name));
if (metaData != null
&& metaData.containsKey(Settings.METADATA_USAGE_ACCESS_REASON)) {
mSwitchPref.setSummary(
metaData.getString(Settings.METADATA_USAGE_ACCESS_REASON));
}
} else {
if (findPreference(KEY_APP_OPS_SETTINGS_PREFS) != null) {
getPreferenceScreen().removePreference(mUsagePrefs);
}
}
return true;
}
@Override
protected AlertDialog createDialog(int id, int errorCode) {
return null;
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.APPLICATIONS_USAGE_ACCESS_DETAIL;
}
}
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