安装模式及安装自启动

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1：下载apk

　InputStream in=null;

　FileOutputStream out = null;

try {
   URL url = new URL(urlStr);
   HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
   urlConnection.setRequestMethod("GET");
   urlConnection.setDoOutput(false);
   urlConnection.setConnectTimeout(10 * 1000);
   urlConnection.setReadTimeout(30 * 1000);
   urlConnection.setRequestProperty("Connection", "Keep-Alive");
   urlConnection.setRequestProperty("Charset", "UTF-8");
   urlConnection.setRequestProperty("Accept-Encoding", "gzip, deflate");

   urlConnection.connect();
   long bytetotal = urlConnection.getContentLength();
   long bytesum = 0;
   int byteread = 0;
   in = urlConnection.getInputStream();

   //保存 apk
   File apkFile = StorageUtils.getCacheFile(this,appName,apkVersion);

   out = new FileOutputStream(apkFile);
   byte[] buffer = new byte[BUFFER_SIZE];

   int oldProgress = 0;

   while ((byteread = in.read(buffer)) != -1) {
      bytesum += byteread;
      out.write(buffer, 0, byteread);

      int progress = (int) (bytesum * 100L / bytetotal);
      // 如果进度与之前进度相等，则不更新，如果更新太频繁，否则会造成界面卡顿
      if (progress != oldProgress) {
         updateProgress(progress);
      }
      oldProgress = progress;
   }

2：一般user安装
　　

/**
 * 点击系统通知栏安装
 * @param apkFile
 * @throws IOException
 */
public  static  void  installByNotification (Context context,File apkFile) throws IOException {

    NotificationManager  mNotifyManager = (NotificationManager)context.getSystemService(Context.NOTIFICATION_SERVICE);
    NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context);

    String appName=context.getString(context.getApplicationInfo().labelRes);
    int icon=context.getApplicationInfo().icon;
    mBuilder.setContentTitle(appName).setSmallIcon(icon);

    mBuilder.setContentText("下载成功").setProgress(0, 0, false);
    Intent installAPKIntent = new Intent(Intent.ACTION_VIEW);
    //如果没有设置SDCard写权限，或者没有sdcard,apk文件保存在内存中，需要授予权限才能安装
    String[] command = {"chmod","777",apkFile.toString()};
    ProcessBuilder builder = new ProcessBuilder(command);
    builder.start();
    installAPKIntent.setDataAndType(Uri.fromFile(apkFile), "application/vnd.android.package-archive");
    //installAPKIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    //installAPKIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
    //installAPKIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);

    PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, installAPKIntent, PendingIntent.FLAG_UPDATE_CURRENT);

    mBuilder.setContentIntent(pendingIntent);
    Notification noti = mBuilder.build();
    noti.flags = Notification.FLAG_AUTO_CANCEL;
    mNotifyManager.notify(0, noti);
}

3：取得root权限静默安装
　　 /**

     * 取得root权限实现静默安装

     * @param apkPath
     * @return
     */
    private static boolean rootClientInstall(String apkPath){
        PrintWriter PrintWriter = null;
        Process process = null;
        try {
            process = Runtime.getRuntime().exec("su");
  //          Log.v("apkPath--",apkPath);
            PrintWriter = new PrintWriter(process.getOutputStream());
            PrintWriter.println("chmod 777 "+apkPath);
            PrintWriter.println("export LD_LIBRARY_PATH=/vendor/lib:/system/lib");
            PrintWriter.println("pm install -r " + apkPath);
//          PrintWriter.println("exit");
            PrintWriter.flush();
            PrintWriter.close();
            int value = process.waitFor();
            return returnResult(value);
        } catch (Exception e) {
            e.printStackTrace();
        }finally{
            if(process!=null){
                process.destroy();
            }
        }
        return false;
    }

　　

/**
 * 判断手机是否有root权限
 */
private static boolean hasRootPermission(){
    PrintWriter PrintWriter = null;
    Process process = null;
    try {
        process = Runtime.getRuntime().exec("su");//执行su是向系统请求root权限,赋给当前进程
        PrintWriter = new PrintWriter(process.getOutputStream());
        PrintWriter.flush();
        PrintWriter.close();
        int value = process.waitFor();
        return returnResult(value);
    } catch (Exception e) {
        e.printStackTrace();
    }finally{
        if(process!=null){
            process.destroy();
        }
    }
    return false;
}

4：内置rom静默安装
　　

/**
 * 系统内置rom静默安装
 * @param apkPath
 * @return
 */
private static String systemClientInstall(String apkPath){
    String[] args = { "pm", "install", "-r", apkPath };
    String result = "";
    ProcessBuilder processBuilder = new ProcessBuilder(args);
    Process process = null;
    InputStream errIs = null;
    InputStream inIs = null;
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int read = -1;
        process = processBuilder.start();
        errIs = process.getErrorStream();
        while ((read = errIs.read()) != -1) {
            baos.write(read);
        }
        baos.write(Integer.parseInt("/n"));
        inIs = process.getInputStream();
        while ((read = inIs.read()) != -1) {
            baos.write(read);
        }
        byte[] data = baos.toByteArray();
        result = new String(data);
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            if (errIs != null) {
                errIs.close();
            }
            if (inIs != null) {
                inIs.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        if (process != null) {
            process.destroy();
        }
    }
    return result;
}

5：判断软件类型
　　

/**
 * 是否为系统软件
 * @param pInfo
 * @return
 */
private static boolean isSystemApp(PackageInfo pInfo) {
    if(pInfo == null ) return false ;
    return ((pInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);
}

/**
 * 是否为系统更新软件
 * @param pInfo
 * @return
 */
private static boolean isSystemUpdateApp(PackageInfo pInfo) {
    if(pInfo == null ) return false ;
    return ((pInfo.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0);
}

/**
 * 是否为用户软件
 * @param pInfo
 * @return
 */
private static boolean isUserApp(PackageInfo pInfo) {
    if(pInfo == null ) return false ;
    return (!isSystemApp(pInfo) && !isSystemUpdateApp(pInfo));
}

6：安装完毕广播自启动

if(intent.getAction().equals(Intent.ACTION_PACKAGE_REPLACED)){
    String packageName = intent.getDataString().substring(8);
    Log.v("install app----", packageName);
    Intent newIntent = new Intent();
    newIntent.setClassName("com.example.********","com.example.*******"+ ".ui.activity.SplashActivity");
    newIntent.setAction("android.intent.action.MAIN");
    newIntent.addCategory("android.intent.category.LAUNCHER");
    newIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    context.startActivity(newIntent);
    checkDownloadApk(context);
}

广播注册

<receiver android:name=".ui.java.AppBroadcastServer">
    <intent-filter>
        <action android:name="android.intent.action.PACKAGE_REPLACED" />
        <data android:scheme="package" />
        <!-- 注意！！ 这句必须要加，否则接收不到BroadCast -->
    </intent-filter>
</receiver>

安装权限添加

<uses-permission android:name="android.permission.INSTALL_PACKAGES" />

安装模式及安装自启动

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原文地址：http://www.cnblogs.com/liu-fei/p/5230410.html