blob: 86f3431b549d394257f3c65f6cc0ab25878307b4 [file] [log] [blame]
/*
* 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.launcher3.util;
import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY;
import android.app.AppOpsManager;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.LauncherActivityInfo;
import android.content.pm.LauncherApps;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.PatternMatcher;
import android.os.Process;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.Log;
import android.util.Pair;
import android.widget.Toast;
import com.android.launcher3.PendingAddItemInfo;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
import com.android.launcher3.model.data.AppInfo;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.model.data.LauncherAppWidgetInfo;
import com.android.launcher3.model.data.PromiseAppInfo;
import com.android.launcher3.model.data.WorkspaceItemInfo;
import java.net.URISyntaxException;
import java.util.List;
/**
* Utility methods using package manager
*/
public class PackageManagerHelper {
private static final String TAG = "PackageManagerHelper";
private final Context mContext;
private final PackageManager mPm;
private final LauncherApps mLauncherApps;
public PackageManagerHelper(Context context) {
mContext = context;
mPm = context.getPackageManager();
mLauncherApps = context.getSystemService(LauncherApps.class);
}
/**
* Returns true if the app can possibly be on the SDCard. This is just a workaround and doesn't
* guarantee that the app is on SD card.
*/
public boolean isAppOnSdcard(String packageName, UserHandle user) {
ApplicationInfo info = getApplicationInfo(
packageName, user, PackageManager.MATCH_UNINSTALLED_PACKAGES);
return info != null && (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
}
/**
* Returns whether the target app is suspended for a given user as per
* {@link android.app.admin.DevicePolicyManager#isPackageSuspended}.
*/
public boolean isAppSuspended(String packageName, UserHandle user) {
ApplicationInfo info = getApplicationInfo(packageName, user, 0);
return info != null && isAppSuspended(info);
}
/**
* Returns the application info for the provided package or null
*/
public ApplicationInfo getApplicationInfo(String packageName, UserHandle user, int flags) {
if (Utilities.ATLEAST_OREO) {
try {
ApplicationInfo info = mLauncherApps.getApplicationInfo(packageName, flags, user);
return (info.flags & ApplicationInfo.FLAG_INSTALLED) == 0 || !info.enabled
? null : info;
} catch (PackageManager.NameNotFoundException e) {
return null;
}
} else {
final boolean isPrimaryUser = Process.myUserHandle().equals(user);
if (!isPrimaryUser && (flags == 0)) {
// We are looking for an installed app on a secondary profile. Prior to O, the only
// entry point for work profiles is through the LauncherActivity.
List<LauncherActivityInfo> activityList =
mLauncherApps.getActivityList(packageName, user);
return activityList.size() > 0 ? activityList.get(0).getApplicationInfo() : null;
}
try {
ApplicationInfo info = mPm.getApplicationInfo(packageName, flags);
// There is no way to check if the app is installed for managed profile. But for
// primary profile, we can still have this check.
if (isPrimaryUser && ((info.flags & ApplicationInfo.FLAG_INSTALLED) == 0)
|| !info.enabled) {
return null;
}
return info;
} catch (PackageManager.NameNotFoundException e) {
// Package not found
return null;
}
}
}
public boolean isSafeMode() {
return mContext.getPackageManager().isSafeMode();
}
public Intent getAppLaunchIntent(String pkg, UserHandle user) {
List<LauncherActivityInfo> activities = mLauncherApps.getActivityList(pkg, user);
return activities.isEmpty() ? null :
AppInfo.makeLaunchIntent(activities.get(0));
}
/**
* Returns whether an application is suspended as per
* {@link android.app.admin.DevicePolicyManager#isPackageSuspended}.
*/
public static boolean isAppSuspended(ApplicationInfo info) {
return (info.flags & ApplicationInfo.FLAG_SUSPENDED) != 0;
}
/**
* Returns true if {@param srcPackage} has the permission required to start the activity from
* {@param intent}. If {@param srcPackage} is null, then the activity should not need
* any permissions
*/
public boolean hasPermissionForActivity(Intent intent, String srcPackage) {
ResolveInfo target = mPm.resolveActivity(intent, 0);
if (target == null) {
// Not a valid target
return false;
}
if (TextUtils.isEmpty(target.activityInfo.permission)) {
// No permission is needed
return true;
}
if (TextUtils.isEmpty(srcPackage)) {
// The activity requires some permission but there is no source.
return false;
}
// Source does not have sufficient permissions.
if(mPm.checkPermission(target.activityInfo.permission, srcPackage) !=
PackageManager.PERMISSION_GRANTED) {
return false;
}
// On M and above also check AppOpsManager for compatibility mode permissions.
if (TextUtils.isEmpty(AppOpsManager.permissionToOp(target.activityInfo.permission))) {
// There is no app-op for this permission, which could have been disabled.
return true;
}
// There is no direct way to check if the app-op is allowed for a particular app. Since
// app-op is only enabled for apps running in compatibility mode, simply block such apps.
try {
return mPm.getApplicationInfo(srcPackage, 0).targetSdkVersion >= Build.VERSION_CODES.M;
} catch (NameNotFoundException e) { }
return false;
}
public Intent getMarketIntent(String packageName) {
return new Intent(Intent.ACTION_VIEW)
.setData(new Uri.Builder()
.scheme("market")
.authority("details")
.appendQueryParameter("id", packageName)
.build())
.putExtra(Intent.EXTRA_REFERRER, new Uri.Builder().scheme("android-app")
.authority(mContext.getPackageName()).build());
}
/**
* Creates a new market search intent.
*/
public static Intent getMarketSearchIntent(Context context, String query) {
try {
Intent intent = Intent.parseUri(context.getString(R.string.market_search_intent), 0);
if (!TextUtils.isEmpty(query)) {
intent.setData(
intent.getData().buildUpon().appendQueryParameter("q", query).build());
}
return intent;
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
}
public static Intent getStyleWallpapersIntent(Context context) {
return new Intent(Intent.ACTION_SET_WALLPAPER).setComponent(
new ComponentName(context.getString(R.string.wallpaper_picker_package),
"com.android.customization.picker.CustomizationPickerActivity"));
}
/**
* Starts the details activity for {@code info}
*/
public void startDetailsActivityForInfo(ItemInfo info, Rect sourceBounds, Bundle opts) {
if (info instanceof PromiseAppInfo) {
PromiseAppInfo promiseAppInfo = (PromiseAppInfo) info;
mContext.startActivity(promiseAppInfo.getMarketIntent(mContext));
return;
}
ComponentName componentName = null;
if (info instanceof AppInfo) {
componentName = ((AppInfo) info).componentName;
} else if (info instanceof WorkspaceItemInfo) {
componentName = info.getTargetComponent();
} else if (info instanceof PendingAddItemInfo) {
componentName = ((PendingAddItemInfo) info).componentName;
} else if (info instanceof LauncherAppWidgetInfo) {
componentName = ((LauncherAppWidgetInfo) info).providerName;
}
if (componentName != null) {
try {
mLauncherApps.startAppDetailsActivity(componentName, info.user, sourceBounds, opts);
} catch (SecurityException | ActivityNotFoundException e) {
Toast.makeText(mContext, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
Log.e(TAG, "Unable to launch settings", e);
}
}
}
/**
* Creates an intent filter to listen for actions with a specific package in the data field.
*/
public static IntentFilter getPackageFilter(String pkg, String... actions) {
IntentFilter packageFilter = new IntentFilter();
for (String action : actions) {
packageFilter.addAction(action);
}
packageFilter.addDataScheme("package");
packageFilter.addDataSchemeSpecificPart(pkg, PatternMatcher.PATTERN_LITERAL);
return packageFilter;
}
public static boolean isSystemApp(Context context, Intent intent) {
PackageManager pm = context.getPackageManager();
ComponentName cn = intent.getComponent();
String packageName = null;
if (cn == null) {
ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
if ((info != null) && (info.activityInfo != null)) {
packageName = info.activityInfo.packageName;
}
} else {
packageName = cn.getPackageName();
}
if (packageName == null) {
packageName = intent.getPackage();
}
if (packageName != null) {
try {
PackageInfo info = pm.getPackageInfo(packageName, 0);
return (info != null) && (info.applicationInfo != null) &&
((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);
} catch (NameNotFoundException e) {
return false;
}
} else {
return false;
}
}
/**
* Finds a system apk which had a broadcast receiver listening to a particular action.
* @param action intent action used to find the apk
* @return a pair of apk package name and the resources.
*/
public static Pair<String, Resources> findSystemApk(String action, PackageManager pm) {
final Intent intent = new Intent(action);
for (ResolveInfo info : pm.queryBroadcastReceivers(intent, MATCH_SYSTEM_ONLY)) {
final String packageName = info.activityInfo.packageName;
try {
final Resources res = pm.getResourcesForApplication(packageName);
return Pair.create(packageName, res);
} catch (NameNotFoundException e) {
Log.w(TAG, "Failed to find resources for " + packageName);
}
}
return null;
}
/**
* Returns true if the intent is a valid launch intent for a launcher activity of an app.
* This is used to identify shortcuts which are different from the ones exposed by the
* applications' manifest file.
*
* @param launchIntent The intent that will be launched when the shortcut is clicked.
*/
public static boolean isLauncherAppTarget(Intent launchIntent) {
if (launchIntent != null
&& Intent.ACTION_MAIN.equals(launchIntent.getAction())
&& launchIntent.getComponent() != null
&& launchIntent.getCategories() != null
&& launchIntent.getCategories().size() == 1
&& launchIntent.hasCategory(Intent.CATEGORY_LAUNCHER)
&& TextUtils.isEmpty(launchIntent.getDataString())) {
// An app target can either have no extra or have ItemInfo.EXTRA_PROFILE.
Bundle extras = launchIntent.getExtras();
return extras == null || extras.keySet().isEmpty();
}
return false;
}
/**
* Returns true if Launcher has the permission to access shortcuts.
* @see LauncherApps#hasShortcutHostPermission()
*/
public static boolean hasShortcutsPermission(Context context) {
try {
return context.getSystemService(LauncherApps.class).hasShortcutHostPermission();
} catch (SecurityException | IllegalStateException e) {
Log.e(TAG, "Failed to make shortcut manager call", e);
}
return false;
}
}