1 /* 2 ** 3 ** Copyright 2007, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 package com.android.packageinstaller; 19 20 import android.app.Activity; 21 import android.content.pm.ApplicationInfo; 22 import android.content.pm.PackageInfo; 23 import android.content.pm.PackageManager; 24 import android.content.pm.PackageParser; 25 import android.content.pm.PackageParser.PackageParserException; 26 import android.content.res.AssetManager; 27 import android.content.res.Resources; 28 import android.graphics.drawable.Drawable; 29 import android.view.View; 30 import android.widget.ImageView; 31 import android.widget.TextView; 32 import android.os.UserHandle; 33 34 import java.io.File; 35 import java.util.List; 36 37 /** 38 * This is a utility class for defining some utility methods and constants 39 * used in the package installer application. 40 */ 41 public class PackageUtil { 42 public static final String PREFIX="com.android.packageinstaller."; 43 public static final String INTENT_ATTR_INSTALL_STATUS = PREFIX+"installStatus"; 44 public static final String INTENT_ATTR_APPLICATION_INFO=PREFIX+"applicationInfo"; 45 public static final String INTENT_ATTR_PERMISSIONS_LIST=PREFIX+"PermissionsList"; 46 //intent attribute strings related to uninstall 47 public static final String INTENT_ATTR_PACKAGE_NAME=PREFIX+"PackageName"; 48 49 /** 50 * Utility method to get application information for a given {@link File} 51 */ 52 public static ApplicationInfo getApplicationInfo(File sourcePath) { 53 final PackageParser parser = new PackageParser(); 54 try { 55 PackageParser.Package pkg = parser.parseMonolithicPackage(sourcePath, 0); 56 return pkg.applicationInfo; 57 } catch (PackageParserException e) { 58 return null; 59 } 60 } 61 62 /** 63 * Utility method to get package information for a given {@link File} 64 */ 65 public static PackageParser.Package getPackageInfo(File sourceFile) { 66 final PackageParser parser = new PackageParser(); 67 try { 68 PackageParser.Package pkg = parser.parseMonolithicPackage(sourceFile, 0); 69 parser.collectManifestDigest(pkg); 70 return pkg; 71 } catch (PackageParserException e) { 72 return null; 73 } 74 } 75 76 public static View initSnippet(View snippetView, CharSequence label, Drawable icon) { 77 ((ImageView)snippetView.findViewById(R.id.app_icon)).setImageDrawable(icon); 78 ((TextView)snippetView.findViewById(R.id.app_name)).setText(label); 79 return snippetView; 80 } 81 82 /** 83 * Utility method to display a snippet of an installed application. 84 * The content view should have been set on context before invoking this method. 85 * appSnippet view should include R.id.app_icon and R.id.app_name 86 * defined on it. 87 * 88 * @param pContext context of package that can load the resources 89 * @param componentInfo ComponentInfo object whose resources are to be loaded 90 * @param snippetView the snippet view 91 */ 92 public static View initSnippetForInstalledApp(Activity pContext, 93 ApplicationInfo appInfo, View snippetView) { 94 return initSnippetForInstalledApp(pContext, appInfo, snippetView, null); 95 } 96 97 /** 98 * Utility method to display a snippet of an installed application. 99 * The content view should have been set on context before invoking this method. 100 * appSnippet view should include R.id.app_icon and R.id.app_name 101 * defined on it. 102 * 103 * @param pContext context of package that can load the resources 104 * @param componentInfo ComponentInfo object whose resources are to be loaded 105 * @param snippetView the snippet view 106 * @param UserHandle user that the app si installed for. 107 */ 108 public static View initSnippetForInstalledApp(Activity pContext, 109 ApplicationInfo appInfo, View snippetView, UserHandle user) { 110 final PackageManager pm = pContext.getPackageManager(); 111 Drawable icon = appInfo.loadIcon(pm); 112 if (user != null) { 113 icon = pContext.getPackageManager().getUserBadgedIcon(icon, user); 114 } 115 return initSnippet( 116 snippetView, 117 appInfo.loadLabel(pm), 118 icon); 119 } 120 121 /** 122 * Utility method to display application snippet of a new package. 123 * The content view should have been set on context before invoking this method. 124 * appSnippet view should include R.id.app_icon and R.id.app_name 125 * defined on it. 126 * 127 * @param pContext context of package that can load the resources 128 * @param appInfo ApplicationInfo object of package whose resources are to be loaded 129 * @param snippetId view id of app snippet view 130 */ 131 public static View initSnippetForNewApp(Activity pContext, AppSnippet as, 132 int snippetId) { 133 View appSnippet = pContext.findViewById(snippetId); 134 ((ImageView)appSnippet.findViewById(R.id.app_icon)).setImageDrawable(as.icon); 135 ((TextView)appSnippet.findViewById(R.id.app_name)).setText(as.label); 136 return appSnippet; 137 } 138 139 public static boolean isPackageAlreadyInstalled(Activity context, String pkgName) { 140 List<PackageInfo> installedList = context.getPackageManager().getInstalledPackages( 141 PackageManager.GET_UNINSTALLED_PACKAGES); 142 int installedListSize = installedList.size(); 143 for(int i = 0; i < installedListSize; i++) { 144 PackageInfo tmp = installedList.get(i); 145 if(pkgName.equalsIgnoreCase(tmp.packageName)) { 146 return true; 147 } 148 } 149 return false; 150 } 151 152 static public class AppSnippet { 153 CharSequence label; 154 Drawable icon; 155 public AppSnippet(CharSequence label, Drawable icon) { 156 this.label = label; 157 this.icon = icon; 158 } 159 } 160 161 /** 162 * Utility method to load application label 163 * 164 * @param pContext context of package that can load the resources 165 * @param appInfo ApplicationInfo object of package whose resources are to be loaded 166 * @param snippetId view id of app snippet view 167 */ 168 public static AppSnippet getAppSnippet( 169 Activity pContext, ApplicationInfo appInfo, File sourceFile) { 170 final String archiveFilePath = sourceFile.getAbsolutePath(); 171 Resources pRes = pContext.getResources(); 172 AssetManager assmgr = new AssetManager(); 173 assmgr.addAssetPath(archiveFilePath); 174 Resources res = new Resources(assmgr, pRes.getDisplayMetrics(), pRes.getConfiguration()); 175 CharSequence label = null; 176 // Try to load the label from the package's resources. If an app has not explicitly 177 // specified any label, just use the package name. 178 if (appInfo.labelRes != 0) { 179 try { 180 label = res.getText(appInfo.labelRes); 181 } catch (Resources.NotFoundException e) { 182 } 183 } 184 if (label == null) { 185 label = (appInfo.nonLocalizedLabel != null) ? 186 appInfo.nonLocalizedLabel : appInfo.packageName; 187 } 188 Drawable icon = null; 189 // Try to load the icon from the package's resources. If an app has not explicitly 190 // specified any resource, just use the default icon for now. 191 if (appInfo.icon != 0) { 192 try { 193 icon = res.getDrawable(appInfo.icon); 194 } catch (Resources.NotFoundException e) { 195 } 196 } 197 if (icon == null) { 198 icon = pContext.getPackageManager().getDefaultActivityIcon(); 199 } 200 return new PackageUtil.AppSnippet(label, icon); 201 } 202 } 203
