Dumpsys permission denial in java

Question

I am trying to obtain the dumpsys statistics [like dumpsys cpuinfo, dumpsys battery]. I executing these in java and writing it to a file. But I am getting,

2012.06.20 07:32:19
Permission Denial: can't dump cpuinfo from from pid=862, uid=10040 without permission android.permission.DUMP
for all dumpsys commands.

I have added the permission "android.permission.DUMP" and "android.permission.BATTERY_STATS" in android.manifest. But, not obtaining the resulyPlease help as its critical.The code I use is as below where cmd contains dumpsys cpuinfo or dumpsys battery [anyone]

Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss");
System.setOut(new PrintStream(new FileOutputStream("/sdcard/Monitor/"+file+".txt",false)));
System.out.println("\n\n"+sdf.format(cal.getTime()));           
Log.w("cmd-fn", cmd);
process=Runtime.getRuntime().exec(cmd);
process.waitFor();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
String buffer="";

while((buffer=bufferedReader.readLine())!=null)
      {
    //fileobj.write(buffer);
    System.out.println(buffer);
    //output.write(buffer);
}
    buffer="";
    BufferedReader buffered = new BufferedReader(new InputStreamReader(process.getErrorStream()));
    while((buffer=buffered.readLine())!=null)
        {
        Log.w("exception",buffer);
        }

Below is my manifest entries

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.DUMP" />
<uses-permission android:name="android.permission.BATTERY_STATS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />

Answer 1

The DUMP permission is defined as android:protectionLevel="signatureOrSystem" so you can't get it unless your app is signed with the platform key, or installed in the system partition.