Thread: Develop on device android console(shell) app

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Namaste
An android device with development environment is a great weapon for hacking. In this thread we'll develop our own console application to execute the shell commands provided by android os
Search for AIDE app in google app store and install it. It is an ondevice IDE/compiler for android app development

Create a new project and into its MainActivity.java file paste the following code

Code:

package com.mycompany.myapp;

import android.app.*;
import android.os.*;
import android.view.View;
import android.widget.*;
import android.widget.TextView;
import android.util.Log;
import android.widget.Button;
import android.widget.EditText;
import java.io.*;
import java.lang.Process;
import android.text.method.*;
import java.io.BufferedReader.*;
import java.io.BufferedWriter.*;

public class MainActivity extends Activity implements View.OnClickListener
{
	public String ver = "Android Console v0.01\nDeveloper: \"vinnu\"\nTeam:\"Legion Of Xtremers\" & secfence\nUrl:www.secfence.com\n";
	private TextView tvp;
	private EditText et;
	private TextView tvout;
	private Process rprocc;
	private BufferedReader br;
	private BufferedWriter bw;
	
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
	{
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
		TextView tv = (TextView)findViewById(R.id.tver);
		tv.setText(ver);
		
		Button bt = (Button)findViewById(R.id.hello);
		bt.setOnClickListener(this);
		
		tvp = (TextView)findViewById(R.id.prompt);
		
		et = (EditText)findViewById(R.id.texf);
		et.setText("");
		tvout = (TextView)findViewById(R.id.out);
		tvout.setMovementMethod(new ScrollingMovementMethod());

    }
	public void onClick(View view)	{
		sheller();
	}

	public void sheller()	{
		StringBuffer output = new StringBuffer();
		int read = 0;
		char[] buffer = new char[4096];
		String [] cmd = {"/system/bin/sh","-c", "\""+et.getText()+"\"\n"};
		try{
			rprocc = Runtime.getRuntime().exec(cmd);
			br = new BufferedReader(new InputStreamReader(rprocc.getInputStream()));
//			bw = new BufferedWriter(new OutputStreamWriter(rproc.getOutputStream()));
			
			while((read = br.read(buffer)) > 0)	{
				Log.d("DEBUGTAG","Reading output of command.");
				output.append(buffer, 0, read);
			}
			tvout.setText(tvp.getText()+""+et.getText()+"\n"+output+tvout.getText());
		} catch(IOException e)	{
			throw new RuntimeException();
		}
		et.setText("");
	}
}