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/*
* Copyright (C) 2014 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 android.content.pm;
import android.annotation.UnsupportedAppUsage;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.UserHandle;
import android.os.UserManager;
import android.util.DisplayMetrics;
/**
* A representation of an activity that can belong to this user or a managed
* profile associated with this user. It can be used to query the label, icon
* and badged icon for the activity.
*/
public class LauncherActivityInfo {
private static final String TAG = "LauncherActivityInfo";
private final PackageManager mPm;
@UnsupportedAppUsage
private ActivityInfo mActivityInfo;
private ComponentName mComponentName;
private UserHandle mUser;
/**
* Create a launchable activity object for a given ResolveInfo and user.
*
* @param context The context for fetching resources.
* @param info ResolveInfo from which to create the LauncherActivityInfo.
* @param user The UserHandle of the profile to which this activity belongs.
*/
LauncherActivityInfo(Context context, ActivityInfo info, UserHandle user) {
this(context);
mActivityInfo = info;
mComponentName = new ComponentName(info.packageName, info.name);
mUser = user;
}
LauncherActivityInfo(Context context) {
mPm = context.getPackageManager();
}
/**
* Returns the component name of this activity.
*
* @return ComponentName of the activity
*/
public ComponentName getComponentName() {
return mComponentName;
}
/**
* Returns the user handle of the user profile that this activity belongs to. In order to
* persist the identity of the profile, do not store the UserHandle. Instead retrieve its
* serial number from UserManager. You can convert the serial number back to a UserHandle
* for later use.
*
* @see UserManager#getSerialNumberForUser(UserHandle)
* @see UserManager#getUserForSerialNumber(long)
*
* @return The UserHandle of the profile.
*/
public UserHandle getUser() {
return mUser;
}
/**
* Retrieves the label for the activity.
*
* @return The label for the activity.
*/
public CharSequence getLabel() {
// TODO: Go through LauncherAppsService
return mActivityInfo.loadLabel(mPm);
}
/**
* Returns the icon for this activity, without any badging for the profile.
* @param density The preferred density of the icon, zero for default density. Use
* density DPI values from {@link DisplayMetrics}.
* @see #getBadgedIcon(int)
* @see DisplayMetrics
* @return The drawable associated with the activity.
*/
public Drawable getIcon(int density) {
// TODO: Go through LauncherAppsService
final int iconRes = mActivityInfo.getIconResource();
Drawable icon = null;
// Get the preferred density icon from the app's resources
if (density != 0 && iconRes != 0) {
try {
final Resources resources
= mPm.getResourcesForApplication(mActivityInfo.applicationInfo);
icon = resources.getDrawableForDensity(iconRes, density);
} catch (NameNotFoundException | Resources.NotFoundException exc) {
}
}
// Get the default density icon
if (icon == null) {
icon = mActivityInfo.loadIcon(mPm);
}
return icon;
}
/**
* Returns the application flags from the ApplicationInfo of the activity.
*
* @return Application flags
* @hide remove before shipping
*/
public int getApplicationFlags() {
return mActivityInfo.applicationInfo.flags;
}
/**
* Returns the application info for the appliction this activity belongs to.
* @return
*/
public ApplicationInfo getApplicationInfo() {
return mActivityInfo.applicationInfo;
}
/**
* Returns the time at which the package was first installed.
*
* @return The time of installation of the package, in milliseconds.
*/
public long getFirstInstallTime() {
try {
// TODO: Go through LauncherAppsService
return mPm.getPackageInfo(mActivityInfo.packageName,
PackageManager.MATCH_UNINSTALLED_PACKAGES).firstInstallTime;
} catch (NameNotFoundException nnfe) {
// Sorry, can't find package
return 0;
}
}
/**
* Returns the name for the acitivty from android:name in the manifest.
* @return the name from android:name for the acitivity.
*/
public String getName() {
return mActivityInfo.name;
}
/**
* Returns the activity icon with badging appropriate for the profile.
* @param density Optional density for the icon, or 0 to use the default density. Use
* {@link DisplayMetrics} for DPI values.
* @see DisplayMetrics
* @return A badged icon for the activity.
*/
public Drawable getBadgedIcon(int density) {
Drawable originalIcon = getIcon(density);
return mPm.getUserBadgedIcon(originalIcon, mUser);
}
}
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