AndroidDisableOrEnableSystemVibrations.java

package com.samueltulach.vibraswitch;

import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Switch;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    public void Disable(View v) {
        try {
            String line;
            Process process = Runtime.getRuntime().exec("su");
            OutputStream stdin = process.getOutputStream();
            InputStream stderr = process.getErrorStream();
            InputStream stdout = process.getInputStream();

            stdin.write(("echo 0 > /sys/class/timed_output/vibrator/vtg_level\n").getBytes());
            stdin.write("exit\n".getBytes());
            stdin.flush();

            stdin.close();
            BufferedReader br = new BufferedReader(new InputStreamReader(stdout));
            while ((line = br.readLine()) != null) {
                Log.d("[Output]", line);
            }
            br.close();
            br = new BufferedReader(new InputStreamReader(stderr));
            while ((line = br.readLine()) != null) {
                Log.e("[Error]", line);
            }
            br.close();

            process.waitFor();
            process.destroy();
        } catch (IOException e) {
            e.printStackTrace();
            AlertDialog.Builder builder1 = new AlertDialog.Builder(this);
            builder1.setMessage("Error!");
            AlertDialog alert11 = builder1.create();
            alert11.show();
        } catch (InterruptedException e) {
            e.printStackTrace();
            AlertDialog.Builder builder1 = new AlertDialog.Builder(this);
            builder1.setMessage("Error!");
            AlertDialog alert11 = builder1.create();
            alert11.show();
        }
    }

    public void Enable(View v) {
        try {
            String line;
            Process process = Runtime.getRuntime().exec("su");
            OutputStream stdin = process.getOutputStream();
            InputStream stderr = process.getErrorStream();
            InputStream stdout = process.getInputStream();

            stdin.write(("echo 2900 > /sys/class/timed_output/vibrator/vtg_level\n").getBytes());
            stdin.write("exit\n".getBytes());
            stdin.flush();

            stdin.close();
            BufferedReader br = new BufferedReader(new InputStreamReader(stdout));
            while ((line = br.readLine()) != null) {
                Log.d("[Output]", line);
            }
            br.close();
            br = new BufferedReader(new InputStreamReader(stderr));
            while ((line = br.readLine()) != null) {
                Log.e("[Error]", line);
            }
            br.close();

            process.waitFor();
            process.destroy();
        } catch (IOException e) {
            e.printStackTrace();
            AlertDialog.Builder builder1 = new AlertDialog.Builder(this);
            builder1.setMessage("Error!");
            AlertDialog alert11 = builder1.create();
            alert11.show();
        } catch (InterruptedException e) {
            e.printStackTrace();
            AlertDialog.Builder builder1 = new AlertDialog.Builder(this);
            builder1.setMessage("Error!");
            AlertDialog alert11 = builder1.create();
            alert11.show();
        }
    }
}