Android seek bar example

This program is for control seek bar in android.

Step 1) Your main java program file is here

package seek.bar;

import android.app.Activity;

import android.os.Bundle;

import android.widget.SeekBar;

import android.widget.TextView;

public class SeekbarActivity extends Activity {

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

       

        SeekBar sk=(SeekBar)findViewById(R.id.seekBar1);

        final TextView tv=(TextView)findViewById(R.id.textView1);

       

        sk.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

                    

                     public void onStopTrackingTouch(SeekBar arg0) {

                           // TODO Auto-generated method stub

                          

                     }

                    

                     public void onStartTrackingTouch(SeekBar arg0) {

                           // TODO Auto-generated method stub

                          

                     }

                    

                     public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {

                           // TODO Auto-generated method stub

                           tv.setText("Seek bar value is"+ arg1);

                          

                          

                     }

              });

       

       

       

    }

}

Step 2) The code of main.xml file

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:weightSum="1">

<TextView 

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    android:text="@string/hello"

    />

<SeekBar

android:id="@+id/seekBar1"

android:layout_height="wrap_content"

android:layout_width="match_parent">

</SeekBar>

<TextView

android:id="@+id/textView1"

android:text="TextView"

android:layout_height="wrap_content"

android:layout_width="216dp"

android:layout_weight="0.04">

</TextView>

</LinearLayout>