Android 打開文件或文件夾777權限

打開777權限

public class SystemManager extends Activity {

    public static boolean RootCommand(String command){

        Process process = null;
        DataOutputStream os = null;

        try{
       process = Runtime.getRuntime().exec("su");
           os = new DataOutputStream(process.getOutputStream());
           os.writeBytes(command + "\n");
           os.writeBytes("exit\n");
           os.flush();
           process.waitFor();
         } catch (Exception e){
           return false;
         } finally{
          if (os != null){
            try {
                  os.close();
                }catch (IOException e){
                  e.printStackTrace();
                }
            }
            if(process!=null) {
                  process.destroy();
            }
         }
            return true;
    }
}

String apkRoot="chmod 777 "+getPackageCodePath();
SystemManager.RootCommand(apkRoot);

 常用adb命令

//打開文件夾
adb shell cd  path1

//打開文件
adb shell cat path1

//重命名文件
adb shell rename path1 path2 

//刪除文件或文件夾
adb shell rm path1

//移動文件
adb shell mv path1 path2

//拷貝文件
adb shell cp path1

//創建目錄
adb shell mkdir path1

//將system分區重新掛在為可讀寫分區
adb remount

//啟動adb服務
adb start-server

//終止adb服務
adb kill-server

//查看連接的設備
adb devices 

//查看設備分辨率
adb shell wm size

//查看所有包名和apk名字
adb shell pm list packages -f

//安裝apk -r覆蓋安裝 -s安裝到SD卡
adb install path1+test.apk -r

//卸載apk
adb uninstall 包名