mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-02-19 18:58:19 +00:00
235 lines
8.4 KiB
Java
235 lines
8.4 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.ActivityInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import com.android.launcher3.compat.LauncherActivityInfoCompat;
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import com.android.launcher3.compat.LauncherAppsCompat;
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import com.android.launcher3.compat.UserHandleCompat;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Stores the list of all applications for the all apps view.
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*/
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class AllAppsList {
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public static final int DEFAULT_APPLICATIONS_NUMBER = 42;
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/** The list off all apps. */
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public ArrayList<AppInfo> data =
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new ArrayList<AppInfo>(DEFAULT_APPLICATIONS_NUMBER);
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/** The list of apps that have been added since the last notify() call. */
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public ArrayList<AppInfo> added =
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new ArrayList<AppInfo>(DEFAULT_APPLICATIONS_NUMBER);
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/** The list of apps that have been removed since the last notify() call. */
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public ArrayList<AppInfo> removed = new ArrayList<AppInfo>();
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/** The list of apps that have been modified since the last notify() call. */
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public ArrayList<AppInfo> modified = new ArrayList<AppInfo>();
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private IconCache mIconCache;
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private AppFilter mAppFilter;
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/**
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* Boring constructor.
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*/
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public AllAppsList(IconCache iconCache, AppFilter appFilter) {
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mIconCache = iconCache;
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mAppFilter = appFilter;
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}
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/**
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* Add the supplied ApplicationInfo objects to the list, and enqueue it into the
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* list to broadcast when notify() is called.
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*
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* If the app is already in the list, doesn't add it.
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*/
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public void add(AppInfo info) {
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if (mAppFilter != null && !mAppFilter.shouldShowApp(info.componentName)) {
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return;
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}
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if (findActivity(data, info.componentName, info.user)) {
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return;
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}
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data.add(info);
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added.add(info);
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}
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public void clear() {
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data.clear();
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// TODO: do we clear these too?
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added.clear();
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removed.clear();
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modified.clear();
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}
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public int size() {
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return data.size();
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}
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public AppInfo get(int index) {
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return data.get(index);
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}
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/**
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* Add the icons for the supplied apk called packageName.
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*/
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public void addPackage(Context context, String packageName, UserHandleCompat user) {
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final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
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final List<LauncherActivityInfoCompat> matches = launcherApps.getActivityList(packageName,
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user);
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if (matches.size() > 0) {
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for (LauncherActivityInfoCompat info : matches) {
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add(new AppInfo(context, info, user, mIconCache, null));
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}
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}
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}
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/**
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* Remove the apps for the given apk identified by packageName.
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*/
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public void removePackage(String packageName, UserHandleCompat user) {
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final List<AppInfo> data = this.data;
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for (int i = data.size() - 1; i >= 0; i--) {
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AppInfo info = data.get(i);
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final ComponentName component = info.intent.getComponent();
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if (info.user.equals(user) && packageName.equals(component.getPackageName())) {
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removed.add(info);
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data.remove(i);
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}
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}
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mIconCache.remove(packageName, user);
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}
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/**
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* Add and remove icons for this package which has been updated.
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*/
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public void updatePackage(Context context, String packageName, UserHandleCompat user) {
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final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
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final List<LauncherActivityInfoCompat> matches = launcherApps.getActivityList(packageName,
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user);
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if (matches.size() > 0) {
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// Find disabled/removed activities and remove them from data and add them
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// to the removed list.
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for (int i = data.size() - 1; i >= 0; i--) {
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final AppInfo applicationInfo = data.get(i);
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final ComponentName component = applicationInfo.intent.getComponent();
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if (user.equals(applicationInfo.user)
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&& packageName.equals(component.getPackageName())) {
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if (!findActivity(matches, component)) {
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removed.add(applicationInfo);
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mIconCache.remove(component, user);
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data.remove(i);
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}
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}
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}
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// Find enabled activities and add them to the adapter
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// Also updates existing activities with new labels/icons
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int count = matches.size();
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for (int i = 0; i < count; i++) {
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final LauncherActivityInfoCompat info = matches.get(i);
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AppInfo applicationInfo = findApplicationInfoLocked(
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info.getComponentName().getPackageName(), user,
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info.getComponentName().getClassName());
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if (applicationInfo == null) {
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add(new AppInfo(context, info, user, mIconCache, null));
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} else {
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mIconCache.remove(applicationInfo.componentName, user);
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mIconCache.getTitleAndIcon(applicationInfo, info, null);
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modified.add(applicationInfo);
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}
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}
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} else {
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// Remove all data for this package.
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for (int i = data.size() - 1; i >= 0; i--) {
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final AppInfo applicationInfo = data.get(i);
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final ComponentName component = applicationInfo.intent.getComponent();
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if (user.equals(applicationInfo.user)
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&& packageName.equals(component.getPackageName())) {
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removed.add(applicationInfo);
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mIconCache.remove(component, user);
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data.remove(i);
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}
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}
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}
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}
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/**
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* Returns whether <em>apps</em> contains <em>component</em>.
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*/
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private static boolean findActivity(List<LauncherActivityInfoCompat> apps,
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ComponentName component) {
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for (LauncherActivityInfoCompat info : apps) {
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if (info.getComponentName().equals(component)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Query the launcher apps service for whether the supplied package has
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* MAIN/LAUNCHER activities in the supplied package.
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*/
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static boolean packageHasActivities(Context context, String packageName,
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UserHandleCompat user) {
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final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
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return launcherApps.getActivityList(packageName, user).size() > 0;
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}
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/**
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* Returns whether <em>apps</em> contains <em>component</em>.
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*/
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private static boolean findActivity(ArrayList<AppInfo> apps, ComponentName component,
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UserHandleCompat user) {
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final int N = apps.size();
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for (int i = 0; i < N; i++) {
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final AppInfo info = apps.get(i);
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if (info.user.equals(user) && info.componentName.equals(component)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Find an ApplicationInfo object for the given packageName and className.
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*/
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private AppInfo findApplicationInfoLocked(String packageName, UserHandleCompat user,
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String className) {
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for (AppInfo info: data) {
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final ComponentName component = info.intent.getComponent();
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if (user.equals(info.user) && packageName.equals(component.getPackageName())
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&& className.equals(component.getClassName())) {
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return info;
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}
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}
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return null;
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}
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}
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