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/*
* Copyright (C) 2016 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.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.UserInfo;
import android.os.Build;
import android.os.UserManager;
import android.util.AttributeSet;
import com.android.settings.AppListPreference;
import com.android.settings.R;
import java.util.ArrayList;
import java.util.List;
public class DefaultHomePreference extends AppListPreference {
private final ArrayList<ComponentName> mAllHomeComponents = new ArrayList<>();
private final IntentFilter mHomeFilter;
public DefaultHomePreference(Context context, AttributeSet attrs) {
super(context, attrs);
mHomeFilter = new IntentFilter(Intent.ACTION_MAIN);
mHomeFilter.addCategory(Intent.CATEGORY_HOME);
mHomeFilter.addCategory(Intent.CATEGORY_DEFAULT);
refreshHomeOptions();
}
@Override
public void performClick() {
refreshHomeOptions();
super.performClick();
}
@Override
protected boolean persistString(String value) {
if (value != null) {
ComponentName component = ComponentName.unflattenFromString(value);
getContext().getPackageManager().replacePreferredActivity(mHomeFilter,
IntentFilter.MATCH_CATEGORY_EMPTY,
mAllHomeComponents.toArray(new ComponentName[0]), component);
setSummary(getEntry());
}
return super.persistString(value);
}
public void refreshHomeOptions() {
final String myPkg = getContext().getPackageName();
ArrayList<ResolveInfo> homeActivities = new ArrayList<ResolveInfo>();
PackageManager pm = getContext().getPackageManager();
ComponentName currentDefaultHome = pm.getHomeActivities(homeActivities);
ArrayList<ComponentName> components = new ArrayList<>();
mAllHomeComponents.clear();
List<CharSequence> summaries = new ArrayList<>();
boolean mustSupportManagedProfile = hasManagedProfile();
for (int i = 0; i < homeActivities.size(); i++) {
final ResolveInfo candidate = homeActivities.get(i);
final ActivityInfo info = candidate.activityInfo;
ComponentName activityName = new ComponentName(info.packageName, info.name);
mAllHomeComponents.add(activityName);
if (info.packageName.equals(myPkg)) {
continue;
}
components.add(activityName);
if (mustSupportManagedProfile && !launcherHasManagedProfilesFeature(candidate, pm)) {
summaries.add(getContext().getString(R.string.home_work_profile_not_supported));
} else {
summaries.add(null);
}
}
setComponentNames(components.toArray(new ComponentName[0]), currentDefaultHome,
summaries.toArray(new CharSequence[0]));
}
private boolean launcherHasManagedProfilesFeature(ResolveInfo resolveInfo, PackageManager pm) {
try {
ApplicationInfo appInfo = pm.getApplicationInfo(
resolveInfo.activityInfo.packageName, 0 /* default flags */);
return versionNumberAtLeastL(appInfo.targetSdkVersion);
} catch (PackageManager.NameNotFoundException e) {
return false;
}
}
private boolean versionNumberAtLeastL(int versionNumber) {
return versionNumber >= Build.VERSION_CODES.LOLLIPOP;
}
private boolean hasManagedProfile() {
UserManager userManager = getContext().getSystemService(UserManager.class);
List<UserInfo> profiles = userManager.getProfiles(getContext().getUserId());
for (UserInfo userInfo : profiles) {
if (userInfo.isManagedProfile()) return true;
}
return false;
}
public static boolean hasHomePreference(String pkg, Context context) {
ArrayList<ResolveInfo> homeActivities = new ArrayList<ResolveInfo>();
PackageManager pm = context.getPackageManager();
pm.getHomeActivities(homeActivities);
for (int i = 0; i < homeActivities.size(); i++) {
if (homeActivities.get(i).activityInfo.packageName.equals(pkg)) {
return true;
}
}
return false;
}
public static boolean isHomeDefault(String pkg, Context context) {
ArrayList<ResolveInfo> homeActivities = new ArrayList<ResolveInfo>();
PackageManager pm = context.getPackageManager();
ComponentName def = pm.getHomeActivities(homeActivities);
return def != null && def.getPackageName().equals(pkg);
}
}