SENSOR_DEMO.java

package com.example.sensor_demo;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    TextView SelectTV;
    RadioGroup Radiogrpup;
    RadioButton sundRb, vibrationRb, SilentRb;


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

        SelectTV = findViewById(R.id.seectTv);
        Radiogrpup = findViewById(R.id.groupRadio);
        sundRb = findViewById(R.id.soundRb);
        vibrationRb = findViewById(R.id.vibrationRb);
        SilentRb = findViewById(R.id.silentRb);
        Radiogrpup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int checkId) {

                if (checkId == R.id.soundRb) {
                    Toast.makeText(MainActivity.this, "Choise sound", Toast.LENGTH_SHORT).show();
                } else if (checkId == R.id.vibrationRb) {
                    Toast.makeText(MainActivity.this, "Choise vibration", Toast.LENGTH_SHORT).show();
                } else if (checkId == R.id.silentRb) {
                    Toast.makeText(MainActivity.this, "Choise silent", Toast.LENGTH_SHORT).show();
                }


            }
        });

    }


    public void chosse(View view) {
        int selectedId= Radiogrpup.getCheckedRadioButtonId();

        if (selectedId==sundRb.getId()) {
            SelectTV.setText("you choose sound option");

        }
        else  if (selectedId==vibrationRb.getId()){
            SelectTV.setText("you choose vibration option");
        }
        else  if (selectedId==SilentRb.getId()){
            SelectTV.setText("you choose silent option");


        }}}