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Android中获取应用程序(包)的信息-PackageManager的运用(

热度：444   发布时间：2016-05-01 20:40:47.0
Android中获取应用程序(包)的信息-----PackageManager的使用(

Android中获取应用程序(包)的信息-----PackageManager的使用

?

转载：

http://www.cnblogs.com/Ryandroid/archive/2011/11/25/2263226.html

?

获取Android系统中应用程序的信息，主要包括packagename、label、icon、占用大小等。具体分为两个

?部分，计划如下：

????????????第一部分： 获取应用程序的packagename、label、icon等 ；

?????????? ?第二部分：?获取应用程序的占用大小，包括：缓存大小(cachsize)、数据大小(datasize)。

?

?????? 每部分都为您准备了简单丰富的实例，您一定不会错过。

?

??????Android系统为我们提供了很多服务管理的类，包括ActivityManager、PowerManager(电源管理)、AudioManager(音频管理)

等。除此之外，还提供了一个PackageManger管理类，它的主要职责是管理应用程序包。 通过它，我们就可以获取应用程序信息。

?

???? 引入： AnroidManifest.xml文件节点说明：

?????

一、相关类的介绍

?

????PackageItemInfo类

????? ????说明： AndroidManifest.xml文件中所有节点的基类，提供了这些节点的基本信息：a label、icon、 meta-data。它并不

?????直接使用，而是由子类继承然后调用相应方法。

??????????常用字段：

????????????? ?public int icon ????????? 获得该资源图片在R文件中的值 (对应于android:icon属性)

????????????? ?public int labelRes???? 获得该label在R文件中的值(对应于android:label属性)

?????????????? public String name?? 获得该节点的name值?(对应于android:name属性)

?????????????? public?String packagename?? 获得该应用程序的包名?(对应于android：packagename属性)

?????????常用方法：

????????????? Drawable? loadIcon(PackageManager pm)????????????? ?获得当前应用程序的图像

????????????? CharSequence? loadLabel(PackageManager pm)???? 获得当前应用程序的label

?

???ActivityInfo类? 继承自 PackageItemInfo

??????????说明： 获得应用程序中<activity/>或者 <receiver />节点的信息 。我们可以通过它来获取我们设置的任何属性，包括

????? theme 、launchMode、launchmode等

?????????????常用方法继承至PackageItemInfo类中的loadIcon()和loadLabel()?

?

?? ServiceInfo 类

??????????说明： 同ActivityInfo类似 ，同样继承自 PackageItemInfo，只不过它表示的是<service>节点信息。

?

? ?ApplicationInfo类 继承自? PackageItemInfo

??????? ?说明：获取一个特定引用程序中<application>节点的信息。

?????????字段说明：

　　　? ?flags字段：?FLAG_SYSTEM　系统应用程序

　　　　　??????????? ?　FLAG_EXTERNAL_STORAGE　表示该应用安装在sdcard中

?????????常用方法继承至PackageItemInfo类中的loadIcon()和loadLabel()

?

? ResolveInfo类

????????说明：根据<intent>节点来获取其上一层目录的信息，通常是<activity>、<receiver>、<service>节点信息。

???????常用字段：

???????????? public? ActivityInfo? activityInfo???? 获取 ActivityInfo对象，即<activity>或<receiver >节点信息

??????????? ?public ServiceInfo?? serviceInfo??? ?获取 ServiceInfo对象，即<activity>节点信息

???????常用方法：?

??????????? ?Drawable loadIcon(PackageManager pm)??????????? ?获得当前应用程序的图像

??????????? ?CharSequence loadLabel(PackageManager pm)??获得当前应用程序的label

?

?PackageInfo类

???????说明：手动获取AndroidManifest.xml文件的信息 。

???????常用字段：

?????????? public String????packageName????????????????? ?包名

???????????public ActivityInfo[]???? activities?? ?????????????? ?所有<activity>节点信息

?????????? public ApplicationInfo applicationInfo???????<application>节点信息，只有一个

???????????public?ActivityInfo[]?? ?receivers???????????? ??? ?所有<receiver>节点信息，多个

?????????? public ServiceInfo[]??? services?????????????? ?? 所有<service>节点信息 ，多个

?

PackageManger 类

??????说明： 获得已安装的应用程序信息 。可以通过getPackageManager()方法获得。

??????常用方法：

??????????public abstract PackageManager? getPackageManager()???

???????????????功能：获得一个PackageManger对象

?????? ??public abstrac? tDrawable??? getApplicationIcon(StringpackageName)

???????????????参数： packageName 包名

???????????????功能：返回给定包名的图标，否则返回null

?

???????public abstract?ApplicationInfo???getApplicationInfo(String?packageName, int flags)

?

???????????????参数：packagename 包名

?????????????????????? ? ??flags 该ApplicationInfo是此flags标记，通常可以直接赋予常数0即可

???????????????功能：返回该ApplicationInfo对象

?

????????? public abstract?List<ApplicationInfo>? getInstalledApplications(int flags)

???????????????参数：flag为一般为GET_UNINSTALLED_PACKAGES，那么此时会返回所有ApplicationInfo。我们可以对ApplicationInfo

???????????????????? 的flags过滤,得到我们需要的。

?????????????? 功能：返回给定条件的所有PackageInfo

?

??????????public abstract?List<PackageInfo>? getInstalledPackages(int flags)?

???????????? 参数如上

???? ?????? ?功能：返回给定条件的所有PackageInfo

?

???????public?abstractResolveInfo? resolveActivity(Intent?intent, int flags)

??????????? 参数：? intent?查寻条件，Activity所配置的action和category

???????????????????????? ?flags：?MATCH_DEFAULT_ONLY?? ?：Category必须带有CATEGORY_DEFAULT的Activity，才匹配

???????????????????????????????????? ?GET_INTENT_FILTERS?????? ? ：匹配Intent条件即可

??????????????????????????????????????????????????GET_RESOLVED_FILTER????：匹配Intent条件即可

????????????功能 ：返回给定条件的ResolveInfo对象(本质上是Activity)?

?

???????public abstract??List<ResolveInfo>? queryIntentActivities(Intent?intent, int flags)

??????????? 参数同上

????????????功能 ：返回给定条件的所有ResolveInfo对象(本质上是Activity)，集合对象

?

??????public abstract?ResolveInfo? resolveService(Intent?intent, int flags)

?????????? 参数同上

???????????功能 ：返回给定条件的ResolveInfo对象(本质上是Service)

?

?????public abstract?List<ResolveInfo>?queryIntentServices(Intent?intent, int flags)

????????? 参数同上

??????????功能 ：返回给定条件的所有ResolveInfo对象(本质上是Service)，集合对象

?

二、DEMO讲解

?

????????????通过前面的介绍，相信您一定很了解了，本质上来讲，这些XXXInfo类不过是我们在AndroidManifest.XML文件中定义的信息，

知道到这点了，理解起来就不是很难了。

??????? ?下面我透过两个简答的DEMO，来学以致用。

???????????Demo 1： 通过queryIntentActivities()方法，查询Android系统的所有具备ACTION_MAIN和CATEGORY_LAUNCHER

????? 的Intent的应用程序，点击后，能启动该应用，说白了就是做一个类似Home程序的简易Launcher 。

???????? ??Demo 2?：通过getInstalledApplications()方法获取应用，然后对其过滤，查找出我们需要的第三方应用，系统应用，安装在sdcard的应用。

?

? ??? Demo1? ：

?????????图：

??????????? ???

??1 、布局文件： 主要有两个：带listview的browse_app_list.xml文件 ；listview的项browse_app_item.xml

browse_app_list.xml

view plainprint?
  1. <?xml?version="1.0"?encoding="utf-8"?>??
  2. <LinearLayout?xmlns:android="http://schemas.android.com/apk/res/android"??
  3. ????android:orientation="vertical"?android:layout_width="fill_parent"??
  4. ????android:layout_height="fill_parent">>??
  5. ????<ListView?android:id="@+id/listviewApp"?android:layout_width="fill_parent"??
  6. ????????android:layout_height="fill_parent"?></ListView>??
  7. </LinearLayout>??


browse_app_item.xmlbrowse_app_item.xml

view plainprint?
  1. <?xml?version="1.0"?encoding="utf-8"?>??
  2. <LinearLayout?xmlns:android="http://schemas.android.com/apk/res/android"??
  3. ????android:layout_width="fill_parent"?android:layout_height="50dip">??
  4. ??
  5. ????<ImageView?android:id="@+id/imgApp"?android:layout_width="wrap_content"??
  6. ????????android:layout_height="fill_parent"?></ImageView>??
  7. ????<RelativeLayout?android:layout_width="fill_parent"??android:layout_marginLeft="10dip"??
  8. ????????android:layout_height="40dip">??
  9. ????????<TextView?android:id="@+id/tvLabel"?android:layout_width="wrap_content"??
  10. ????????????android:layout_height="wrap_content"?android:text="AppLable?:?"></TextView>??
  11. ????????<TextView?android:id="@+id/tvAppLabel"?android:layout_width="wrap_content"??
  12. ????????????android:layout_toRightOf="@id/tvLabel"?android:layout_height="wrap_content"??
  13. ????????????android:layout_marginLeft="3dip"?android:text="Label"?android:textColor="#FFD700"></TextView>??
  14. ????????<TextView?android:id="@+id/tvName"?android:layout_width="wrap_content"??
  15. ????????????android:layout_height="wrap_content"?android:layout_below="@id/tvLabel"???
  16. ????????????android:text="包名:"></TextView>??
  17. ????????<TextView?android:id="@+id/tvPkgName"?android:layout_width="wrap_content"??
  18. ????????????android:layout_height="wrap_content"?android:layout_below="@id/tvAppLabel"??
  19. ????????????android:layout_alignLeft="@id/tvAppLabel"?android:textColor="#FFD700"></TextView>??
  20. ????</RelativeLayout>??
  21. </LinearLayout>??

???????

2 、AppInfo.java : 保存应用程序信息的Model类

view plainprint?
  1. /Model类?，用来存储应用程序信息??
  2. public?class?AppInfo?{??
  3. ????
  4. ????private?String?appLabel;????//应用程序标签??
  5. ????private?Drawable?appIcon?;??//应用程序图像??
  6. ????private?Intent?intent?;?????//启动应用程序的Intent?，一般是Action为Main和Category为Lancher的Activity??
  7. ????private?String?pkgName?;????//应用程序所对应的包名??
  8. ??????
  9. ????public?AppInfo(){}??
  10. ??????
  11. ????public?String?getAppLabel()?{??
  12. ????????return?appLabel;??
  13. ????}??
  14. ????public?void?setAppLabel(String?appName)?{??
  15. ????????this.appLabel?=?appName;??
  16. ????}??
  17. ????public?Drawable?getAppIcon()?{??
  18. ????????return?appIcon;??
  19. ????}??
  20. ????public?void?setAppIcon(Drawable?appIcon)?{??
  21. ????????this.appIcon?=?appIcon;??
  22. ????}??
  23. ????public?Intent?getIntent()?{??
  24. ????????return?intent;??
  25. ????}??
  26. ????public?void?setIntent(Intent?intent)?{??
  27. ????????this.intent?=?intent;??
  28. ????}??
  29. ????public?String?getPkgName(){??
  30. ????????return?pkgName?;??
  31. ????}??
  32. ????public?void?setPkgName(String?pkgName){??
  33. ????????this.pkgName=pkgName?;??
  34. ????}??
  35. }??

?3、 BrowseApplicationInfoAdapter.java : 自定义适配器类，为ListView提供视图

view plainprint?
  1. //自定义适配器类，提供给listView的自定义view??
  2. public?class?BrowseApplicationInfoAdapter?extends?BaseAdapter?{??
  3. ??????
  4. ????private?List<AppInfo>?mlistAppInfo?=?null;??
  5. ??????
  6. ????LayoutInflater?infater?=?null;??
  7. ??????
  8. ????public?BrowseApplicationInfoAdapter(Context?context,??List<AppInfo>?apps)?{??
  9. ????????infater?=?(LayoutInflater)?context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);??
  10. ????????mlistAppInfo?=?apps?;??
  11. ????}??
  12. ????@Override??
  13. ????public?int?getCount()?{??
  14. ????????//?TODO?Auto-generated?method?stub??
  15. ????????System.out.println("size"?+?mlistAppInfo.size());??
  16. ????????return?mlistAppInfo.size();??
  17. ????}??
  18. ????@Override??
  19. ????public?Object?getItem(int?position)?{??
  20. ????????//?TODO?Auto-generated?method?stub??
  21. ????????return?mlistAppInfo.get(position);??
  22. ????}??
  23. ????@Override??
  24. ????public?long?getItemId(int?position)?{??
  25. ????????//?TODO?Auto-generated?method?stub??
  26. ????????return?0;??
  27. ????}??
  28. ????@Override??
  29. ????public?View?getView(int?position,?View?convertview,?ViewGroup?arg2)?{??
  30. ????????System.out.println("getView?at?"?+?position);??
  31. ????????View?view?=?null;??
  32. ????????ViewHolder?holder?=?null;??
  33. ????????if?(convertview?==?null?||?convertview.getTag()?==?null)?{??
  34. ????????????view?=?infater.inflate(R.layout.browse_app_item,?null);??
  35. ????????????holder?=?new?ViewHolder(view);??
  36. ????????????view.setTag(holder);??
  37. ????????}???
  38. ????????else{??
  39. ????????????view?=?convertview?;??
  40. ????????????holder?=?(ViewHolder)?convertview.getTag()?;??
  41. ????????}??
  42. ????????AppInfo?appInfo?=?(AppInfo)?getItem(position);??
  43. ????????holder.appIcon.setImageDrawable(appInfo.getAppIcon());??
  44. ????????holder.tvAppLabel.setText(appInfo.getAppLabel());??
  45. ????????holder.tvPkgName.setText(appInfo.getPkgName());??
  46. ????????return?view;??
  47. ????}??
  48. ??
  49. ????class?ViewHolder?{??
  50. ????????ImageView?appIcon;??
  51. ????????TextView?tvAppLabel;??
  52. ????????TextView?tvPkgName;??
  53. ??
  54. ????????public?ViewHolder(View?view)?{??
  55. ????????????this.appIcon?=?(ImageView)?view.findViewById(R.id.imgApp);??
  56. ????????????this.tvAppLabel?=?(TextView)?view.findViewById(R.id.tvAppLabel);??
  57. ????????????this.tvPkgName?=?(TextView)?view.findViewById(R.id.tvPkgName);??
  58. ????????}??
  59. ????}??
  60. }??

?

4 、MainActivity.java 主工程逻辑?

????????? 请仔细体会queryIntentActivities()方法，并且注意到排序，它很重要。

view plainprint?
  1. <span?style="font-size:13px;">public?class?MainActivity?extends?Activity?implements?OnItemClickListener?{??
  2. ??
  3. ????private?ListView?listview?=?null;??
  4. ??
  5. ????private?List<AppInfo>?mlistAppInfo?=?null;??
  6. ??
  7. ????@Override??
  8. ????public?void?onCreate(Bundle?savedInstanceState)?{??
  9. ????????super.onCreate(savedInstanceState);??
  10. ????????setContentView(R.layout.browse_app_list);??
  11. ??
  12. ????????listview?=?(ListView)?findViewById(R.id.listviewApp);??
  13. ????????mlistAppInfo?=?new?ArrayList<AppInfo>();??
  14. ????????queryAppInfo();?//?查询所有应用程序信息??
  15. ????????BrowseApplicationInfoAdapter?browseAppAdapter?=?new?BrowseApplicationInfoAdapter(??
  16. ????????????????this,?mlistAppInfo);??
  17. ????????listview.setAdapter(browseAppAdapter);??
  18. ????????listview.setOnItemClickListener(this);??
  19. ????}??
  20. ????//?点击跳转至该应用程序??
  21. ????public?void?onItemClick(AdapterView<?>?arg0,?View?view,?int?position,??
  22. ????????????long?arg3)?{??
  23. ????????//?TODO?Auto-generated?method?stub??
  24. ????????Intent?intent?=?mlistAppInfo.get(position).getIntent();??
  25. ????????startActivity(intent);??
  26. ????}??
  27. ????//?获得所有启动Activity的信息，类似于Launch界面??
  28. ????public?void?queryAppInfo()?{??
  29. ????????PackageManager?pm?=?this.getPackageManager();?//?获得PackageManager对象??
  30. ????????Intent?mainIntent?=?new?Intent(Intent.ACTION_MAIN,?null);??
  31. ????????mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);??
  32. ????????//?通过查询，获得所有ResolveInfo对象.??
  33. ????????List<ResolveInfo>?resolveInfos?=?pm??
  34. ????????????????.queryIntentActivities(mainIntent,?PackageManager.MATCH_DEFAULT_ONLY);??
  35. ????????//?调用系统排序?，?根据name排序??
  36. ????????//?该排序很重要，否则只能显示系统应用，而不能列出第三方应用程序??
  37. ????????Collections.sort(resolveInfos,new?ResolveInfo.DisplayNameComparator(pm));??
  38. ????????if?(mlistAppInfo?!=?null)?{??
  39. ????????????mlistAppInfo.clear();??
  40. ????????????for?(ResolveInfo?reInfo?:?resolveInfos)?{??
  41. ????????????????String?activityName?=?reInfo.activityInfo.name;?//?获得该应用程序的启动Activity的name??
  42. ????????????????String?pkgName?=?reInfo.activityInfo.packageName;?//?获得应用程序的包名??
  43. ????????????????String?appLabel?=?(String)?reInfo.loadLabel(pm);?//?获得应用程序的Label??
  44. ????????????????Drawable?icon?=?reInfo.loadIcon(pm);?//?获得应用程序图标??
  45. ????????????????//?为应用程序的启动Activity?准备Intent??
  46. ????????????????Intent?launchIntent?=?new?Intent();??
  47. ????????????????launchIntent.setComponent(new?ComponentName(pkgName,??
  48. ????????????????????????activityName));??
  49. ????????????????//?创建一个AppInfo对象，并赋值??
  50. ????????????????AppInfo?appInfo?=?new?AppInfo();??
  51. ????????????????appInfo.setAppLabel(appLabel);??
  52. ????????????????appInfo.setPkgName(pkgName);??
  53. ????????????????appInfo.setAppIcon(icon);??
  54. ????????????????appInfo.setIntent(launchIntent);??
  55. ????????????????mlistAppInfo.add(appInfo);?//?添加至列表中??
  56. ????????????????System.out.println(appLabel?+?"?activityName---"?+?activityName??
  57. ????????????????????????+?"?pkgName---"?+?pkgName);??
  58. ????????????}??
  59. ????????}??
  60. ????}??
  61. }</span>??


?好了，第一个Demo完成 。。?

?

?Demo 2:

?????? ?demo2在布局、适配器方面和Demo1一样。只是利用了getInstalledApplications()方法，继而通过ApplicationInfo.flags来挑选

? 我们希望的ApplicationInfo对象。

?????? 图：

???????????????????????

?

?过滤应用程序如下：

view plainprint?
  1. package?com.qiner.appinfo;??
  2. ??
  3. import?java.util.ArrayList;??
  4. import?java.util.Collections;??
  5. import?java.util.List;??
  6. ??
  7. import?com.qiner.appinfo.R;??
  8. ??
  9. import?android.app.Activity;??
  10. import?android.app.Application;??
  11. import?android.content.pm.ApplicationInfo;??
  12. import?android.content.pm.PackageManager;??
  13. import?android.os.Bundle;??
  14. import?android.view.View;??
  15. import?android.view.View.OnClickListener;??
  16. import?android.widget.Button;??
  17. import?android.widget.ListView;??
  18. ??
  19. public?class?MainActivity?extends?Activity??{??
  20. ??
  21. ????public?static?final?int?FILTER_ALL_APP?=?0;?//?所有应用程序??
  22. ????public?static?final?int?FILTER_SYSTEM_APP?=?1;?//?系统程序??
  23. ????public?static?final?int?FILTER_THIRD_APP?=?2;?//?第三方应用程序??
  24. ????public?static?final?int?FILTER_SDCARD_APP?=?3;?//?安装在SDCard的应用程序??
  25. ??
  26. ????private?ListView?listview?=?null;??
  27. ??
  28. ????private?PackageManager?pm;??
  29. ????private?int?filter?=?FILTER_ALL_APP;???
  30. ????private?List<AppInfo>?mlistAppInfo?;??
  31. ????private?BrowseApplicationInfoAdapter?browseAppAdapter?=?null?;??
  32. ????/**?Called?when?the?activity?is?first?created.?*/??
  33. ????@Override??
  34. ????public?void?onCreate(Bundle?savedInstanceState)?{??
  35. ????????super.onCreate(savedInstanceState);??
  36. ????????setContentView(R.layout.browse_app_list);??
  37. ????????listview?=?(ListView)?findViewById(R.id.listviewApp);??
  38. ????????if(getIntent()!=null){??
  39. ????????????filter?=?getIntent().getIntExtra("filter",?0)?;??
  40. ????????}??
  41. ????????mlistAppInfo?=?queryFilterAppInfo(filter);?//?查询所有应用程序信息??
  42. ????????//?构建适配器，并且注册到listView??
  43. ????????browseAppAdapter?=?new?BrowseApplicationInfoAdapter(this,?mlistAppInfo);??
  44. ????????listview.setAdapter(browseAppAdapter);??
  45. ????}??
  46. ????//?根据查询条件，查询特定的ApplicationInfo??
  47. ????private?List<AppInfo>?queryFilterAppInfo(int?filter)?{??
  48. ????????pm?=?this.getPackageManager();??
  49. ????????//?查询所有已经安装的应用程序??
  50. ????????List<ApplicationInfo>?listAppcations?=?pm??
  51. ????????????????.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);??
  52. ????????Collections.sort(listAppcations,??
  53. ????????????????new?ApplicationInfo.DisplayNameComparator(pm));//?排序??
  54. ????????List<AppInfo>?appInfos?=?new?ArrayList<AppInfo>();?//?保存过滤查到的AppInfo??
  55. ????????//?根据条件来过滤??
  56. ????????switch?(filter)?{??
  57. ????????case?FILTER_ALL_APP:?//?所有应用程序??
  58. ????????????appInfos.clear();??
  59. ????????????for?(ApplicationInfo?app?:?listAppcations)?{??
  60. ????????????????appInfos.add(getAppInfo(app));??
  61. ????????????}??
  62. ????????????return?appInfos;??
  63. ????????case?FILTER_SYSTEM_APP:?//?系统程序??
  64. ????????????appInfos.clear();??
  65. ????????????for?(ApplicationInfo?app?:?listAppcations)?{??
  66. ????????????????if?((app.flags?&?ApplicationInfo.FLAG_SYSTEM)?!=?0)?{??
  67. ????????????????????appInfos.add(getAppInfo(app));??
  68. ????????????????}??
  69. ????????????}??
  70. ????????????return?appInfos;??
  71. ????????case?FILTER_THIRD_APP:?//?第三方应用程序??
  72. ????????????appInfos.clear();??
  73. ????????????for?(ApplicationInfo?app?:?listAppcations)?{??
  74. ????????????????//非系统程序??
  75. ????????????????if?((app.flags?&?ApplicationInfo.FLAG_SYSTEM)?<=?0)?{??
  76. ????????????????????appInfos.add(getAppInfo(app));??
  77. ????????????????}???
  78. ????????????????//本来是系统程序，被用户手动更新后，该系统程序也成为第三方应用程序了??
  79. ????????????????else?if?((app.flags?&?ApplicationInfo.FLAG_UPDATED_SYSTEM_APP)?!=?0){??
  80. ????????????????????appInfos.add(getAppInfo(app));??
  81. ????????????????}??
  82. ????????????}??
  83. ????????????break;??
  84. ????????case?FILTER_SDCARD_APP:?//?安装在SDCard的应用程序??
  85. ????????????appInfos.clear();??
  86. ????????????for?(ApplicationInfo?app?:?listAppcations)?{??
  87. ????????????????if?((app.flags?&?ApplicationInfo.FLAG_EXTERNAL_STORAGE)?!=?0)?{??
  88. ????????????????????appInfos.add(getAppInfo(app));??
  89. ????????????????}??
  90. ????????????}??
  91. ????????????return?appInfos;??
  92. ????????default:??
  93. ????????????return?null;??
  94. ????????}??
  95. ????????return?appInfos;??
  96. ????}??
  97. ????//?构造一个AppInfo对象?，并赋值??
  98. ????private?AppInfo?getAppInfo(ApplicationInfo?app)?{??
  99. ????????AppInfo?appInfo?=?new?AppInfo();??
  100. ????????appInfo.setAppLabel((String)?app.loadLabel(pm));??
  101. ????????appInfo.setAppIcon(app.loadIcon(pm));??
  102. ????????appInfo.setPkgName(app.packageName);??
  103. ????????return?appInfo;??
  104. ????}??
  105. }??



????你可以在此基础上，构建更多丰富的应用。比说说Settings模块中的卸载安装应用程序等。

?

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