Android 静默方式实现批量安装卸载应用程序的深入分析

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
代码如下:
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE_TAGS := optional
LOCAL_class="lazy" data-src_FILES := $(call all-subdir-java-files)
LOCAL_PACKAGE_NAME := PackageInstaller
LOCAL_CERTIFICATE := platform
include $(BUILD_PACKAGE)

代码如下:
    LOCAL_PATH:= $(call my-dir) 
    include $(CLEAR_VARS) 
    LOCAL_MODULE_TAGS := optional 
    LOCAL_class="lazy" data-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）
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;
            }
       & nbsp;    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 class="lazy" data-srcPackageFile = new File(filePath);
            if (!FileUtils.copyFile(class="lazy" data-srcPackageFile, tmpPackageFile)) {
                Log.w(TAG, "Failed to make copy of file: " + class="lazy" data-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);
        }
    } 

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(); 
   &n bsp;        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()) { 
 &nb sp;              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 class="lazy" data-srcPackageFile = new File(filePath); 
            if (!FileUtils.copyFile(class="lazy" data-srcPackageFile, tmpPackageFile)) { 
                Log.w(TAG, "Failed to make copy of file: " + class="lazy" data-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; 
    //       &nb sp;    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
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" /> 

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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