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前段时间做了一个批量安装卸载应用程序的小应用，由于安装卸载应用程序的部分API是隐藏的，所以必须在ubuntu下下载Android系统源码，并编译之后使用MM命令编译生成APK文件，其实也难。 思路是这样的，在XX/packages/apps目录下有一个PackageInstaller的应用程序，Android机器中安装卸载都是由这个应用程序完成的。但是它没有批量安装和卸载的功能，如果要在自己的应用程序中添加批量安装和卸载的功能，其实很简单，只需要参考PakcageInstaller里面的安装卸载代码加个循环就可以了。但值得注意的是在编译的过程中必须复制PackageInstaller里面的Android.mk文件，修改文件为工程目录名。 好了，废话不再多说，下面是关键代码 1、 Android.mk文件 。

复制代码 代码如下

LOCAL_PATH:= $(call my-dir) include $(CLEAR_VARS) LOCAL_MODULE_TAGS := optional LOCAL_SRC_FILES := $(call all-subdir-java-files) LOCAL_PACKAGE_NAME := PackageInstaller LOCAL_CERTIFICATE := platform include $(BUILD_PACKAGE) 。

  。

复制代码 代码如下

    LOCAL_PATH:= $(call my-dir)      include $(CLEAR_VARS)      LOCAL_MODULE_TAGS := optional      LOCAL_SRC_FILES := $(call all-subdir-java-files)      LOCAL_PACKAGE_NAME := PackageInstaller      LOCAL_CERTIFICATE := platform      include $(BUILD_PACKAGE)  。

2、PakcageInstaller.java文件（关键代码） 。

复制代码 代码如下

    package cn.ceadic.apkmgr;     import java.io.File;     import java.io.FileNotFoundException;     import java.io.FileOutputStream;     import java.io.IOException;     import android.content.Context;     import android.content.Intent;     import android.content.pm.PackageInfo;     import android.content.pm.PackageManager;     import android.content.pm.PackageManager.NameNotFoundException;     import android.net.Uri;     import android.util.Log;     import android.content.pm.IPackageInstallObserver;     import android.content.pm.IPackageDeleteObserver;     import android.os.FileUtils;          public class PackageInstaller {         private File mTmpFile;         private final String TMP_FILE_NAME = "tmpCopy.apk";         private final static String TAG = "PackInstaller";         private Context mContext;         public PackageInstaller(Context context) {             mContext = context;         }                  public void install(String path,String packageName){              Intent intent = new Intent(Intent.ACTION_VIEW);              intent.setDataAndType(Uri.fromFile(new File(path)),              "application/vnd.android.package-archive");              mContext.startActivity(intent);         }         public void instatllBatch(String path, String packageName) {             Log.i(TAG, "path=" + path);             int installFlags = 0;             PackageManager pm = mContext.getPackageManager();             try {                 PackageInfo pi = pm.getPackageInfo(packageName,                         PackageManager.GET_UNINSTALLED_PACKAGES);                 if (pi != null) {                     installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;                 }             } catch (NameNotFoundException e) {             }             if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {                 Log.w(TAG, "Replacing package:" + packageName);             }             // Create temp file before invoking install api             mTmpFile = createTempPackageFile(path);             if (mTmpFile == null) {                 // Message msg = mHandler.obtainMessage(INSTALL_COMPLETE);                 // msg.arg1 = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;                 // mHandler.sendMessage(msg);                 return;             }             Uri mPackageURI = Uri.parse("file://" + mTmpFile.getPath());             String installerPackageName = mContext.getIntent().getStringExtra(                     Intent.EXTRA_INSTALLER_PACKAGE_NAME);             PackageInstallObserver observer = new PackageInstallObserver();             pm.installPackage(mPackageURI, observer, installFlags,                     installerPackageName);         }         private File createTempPackageFile(String filePath) {             File tmpPackageFile = mContext.getFileStreamPath(TMP_FILE_NAME);             if (tmpPackageFile == null) {                 Log.w(TAG, "Failed to create temp file");                 return null;             }             if (tmpPackageFile.exists()) {                 tmpPackageFile.delete();             }             // Open file to make it world readable             FileOutputStream fos;             try {                 fos = openFileOutput(TMP_FILE_NAME, MODE_WORLD_READABLE);             } catch (FileNotFoundException e1) {                 Log.e(TAG, "Error opening file " + TMP_FILE_NAME);                 return null;             }             try {                 fos.close();             } catch (IOException e) {                 Log.e(TAG, "Error opening file " + TMP_FILE_NAME);                 return null;             }             File srcPackageFile = new File(filePath);             if (!FileUtils.copyFile(srcPackageFile, tmpPackageFile)) {                 Log.w(TAG, "Failed to make copy of file: " + srcPackageFile);                 return null;             }             return tmpPackageFile;         }         private class PackageInstallObserver extends IPackageInstallObserver.Stub {             public void packageInstalled(String packageName, int returnCode) {                 // Message msg = mHandler.obtainMessage(INSTALL_COMPLETE);                 // msg.arg1 = returnCode;                 // mHandler.sendMessage(msg);                 Log.i(TAG, "====INSTALL_COMPLETE");             }         }         private class PackageDeleteObserver extends IPackageDeleteObserver.Stub {             public void packageDeleted(boolean succeeded) {     //            Message msg = mHandler.obtainMessage(UNINSTALL_COMPLETE);     //            msg.arg1 = succeeded?SUCCEEDED:FAILED;     //            mHandler.sendMessage(msg);                 Log.i(TAG, "====UNINSTALL_COMPLETE");             }         }         public void uninstall(String packageName){             Uri packageURI = Uri.parse("package:" + packageName);             Intent uninstallIntent = new Intent(Intent.ACTION_DELETE,             packageURI);             mContext.startActivity(uninstallIntent);         }         public void uninstallBatch(String packageName) {             PackageDeleteObserver observer = new PackageDeleteObserver();             mContext.getPackageManager().deletePackage(packageName, observer, 0);         }     }  。

  。

复制代码 代码如下

    package cn.ceadic.apkmgr;      import java.io.File;      import java.io.FileNotFoundException;      import java.io.FileOutputStream;      import java.io.IOException;      import android.content.Context;      import android.content.Intent;      import android.content.pm.PackageInfo;      import android.content.pm.PackageManager;      import android.content.pm.PackageManager.NameNotFoundException;      import android.net.Uri;      import android.util.Log;      import android.content.pm.IPackageInstallObserver;      import android.content.pm.IPackageDeleteObserver;      import android.os.FileUtils;            public class PackageInstaller {          private File mTmpFile;          private final String TMP_FILE_NAME = "tmpCopy.apk";          private final static String TAG = "PackInstaller";          private Context mContext;          public PackageInstaller(Context context) {              mContext = context;          }                    public void install(String path,String packageName){               Intent intent = new Intent(Intent.ACTION_VIEW);               intent.setDataAndType(Uri.fromFile(new File(path)),               "application/vnd.android.package-archive");               mContext.startActivity(intent);          }          public void instatllBatch(String path, String packageName) {              Log.i(TAG, "path=" + path);              int installFlags = 0;              PackageManager pm = mContext.getPackageManager();              try {                  PackageInfo pi = pm.getPackageInfo(packageName,                          PackageManager.GET_UNINSTALLED_PACKAGES);                  if (pi != null) {                      installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;                  }              } catch (NameNotFoundException e) {              }              if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {                  Log.w(TAG, "Replacing package:" + packageName);              }              // Create temp file before invoking install api              mTmpFile = createTempPackageFile(path);              if (mTmpFile == null) {                  // Message msg = mHandler.obtainMessage(INSTALL_COMPLETE);                  // msg.arg1 = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;                  // mHandler.sendMessage(msg);                  return;              }              Uri mPackageURI = Uri.parse("file://" + mTmpFile.getPath());              String installerPackageName = mContext.getIntent().getStringExtra(                      Intent.EXTRA_INSTALLER_PACKAGE_NAME);              PackageInstallObserver observer = new PackageInstallObserver();              pm.installPackage(mPackageURI, observer, installFlags,                      installerPackageName);          }          private File createTempPackageFile(String filePath) {              File tmpPackageFile = mContext.getFileStreamPath(TMP_FILE_NAME);              if (tmpPackageFile == null) {                  Log.w(TAG, "Failed to create temp file");                  return null;              }              if (tmpPackageFile.exists()) {                  tmpPackageFile.delete();              }              // Open file to make it world readable              FileOutputStream fos;              try {                  fos = openFileOutput(TMP_FILE_NAME, MODE_WORLD_READABLE);              } catch (FileNotFoundException e1) {                  Log.e(TAG, "Error opening file " + TMP_FILE_NAME);                  return null;              }              try {                  fos.close();              } catch (IOException e) {                  Log.e(TAG, "Error opening file " + TMP_FILE_NAME);                  return null;              }              File srcPackageFile = new File(filePath);              if (!FileUtils.copyFile(srcPackageFile, tmpPackageFile)) {                  Log.w(TAG, "Failed to make copy of file: " + srcPackageFile);                  return null;              }              return tmpPackageFile;          }          private class PackageInstallObserver extends IPackageInstallObserver.Stub {              public void packageInstalled(String packageName, int returnCode) {                  // Message msg = mHandler.obtainMessage(INSTALL_COMPLETE);                  // msg.arg1 = returnCode;                  // mHandler.sendMessage(msg);                  Log.i(TAG, "====INSTALL_COMPLETE");              }          }          private class PackageDeleteObserver extends IPackageDeleteObserver.Stub {              public void packageDeleted(boolean succeeded) {      //            Message msg = mHandler.obtainMessage(UNINSTALL_COMPLETE);      //            msg.arg1 = succeeded?SUCCEEDED:FAILED;      //            mHandler.sendMessage(msg);                  Log.i(TAG, "====UNINSTALL_COMPLETE");              }          }          public void uninstall(String packageName){              Uri packageURI = Uri.parse("package:" + packageName);              Intent uninstallIntent = new Intent(Intent.ACTION_DELETE,              packageURI);              mContext.startActivity(uninstallIntent);          }          public void uninstallBatch(String packageName) {              PackageDeleteObserver observer = new PackageDeleteObserver();              mContext.getPackageManager().deletePackage(packageName, observer, 0);          }      }  。

3、别忘记添加权限 。

复制代码 代码如下

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>         <uses-permission android:name="android.permission.INSTALL_PACKAGES" />         <uses-permission android:name="android.permission.DELETE_PACKAGES" />         <uses-permission android:name="android.permission.CLEAR_APP_CACHE" />         <uses-permission android:name="android.permission.READ_PHONE_STATE" />         <uses-permission android:name="android.permission.CLEAR_APP_USER_DATA" />  。

  。

复制代码 代码如下

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>          <uses-permission android:name="android.permission.INSTALL_PACKAGES" />          <uses-permission android:name="android.permission.DELETE_PACKAGES" />          <uses-permission android:name="android.permission.CLEAR_APP_CACHE" />          <uses-permission android:name="android.permission.READ_PHONE_STATE" />          <uses-permission android:name="android.permission.CLEAR_APP_USER_DATA" />  。

以上代码在Android2.1的SDK中编译通过，并正确批量安装卸载应用程序 。

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