SeekBar Pada Android

1. layout - activity_main.xml

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

    android:layout_width="fill_parent"

    android:layout_height="fill_parent" >

    <SeekBar

        android:id="@+id/seekBar1"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:layout_marginTop="112dp" />

    <TextView

        android:id="@+id/txtSeekBar"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_below="@+id/seekBar1"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="31dp"

        android:text="0 %"

        android:textAppearance="?android:attr/textAppearanceLarge" />

</RelativeLayout>

2. MainActivity.Java

package com.seekbar;

import android.app.Activity;

import android.os.Bundle;

import android.widget.SeekBar;

import android.widget.SeekBar.OnSeekBarChangeListener;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity {

SeekBar dim;

TextView txt;

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

              txt=(TextView)findViewById(R.id.txtSeekBar);

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

              // mengeset nilai maksimum seekbar

              dim.setMax(100);

             

              /* event seek bar ,setOnSeekBarChangeListener

               * 1. onStopTrackingTouch , fungsi yang akan di jalankan ketika objek selesai                 *    di gunakan

               * 2. onStartTrackingTouch , fungsi yang di jalankan ketika objek mulai di                     *   gunakan

               * 3. onProgressChanged, fungsi yang akan di jalankan ketika objek sedang di                   *   gunakan,int progress merupakan   nilai value dari objek

               *                        

               */

      

              dim.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

                    

                     @Override

                     public void onStopTrackingTouch(SeekBar seekBar) {

                           // TODO Auto-generated method stub

                           tampil("stop" );

                     }

                    

                     @Override

                     public void onStartTrackingTouch(SeekBar seekBar) {

                           // TODO Auto-generated method stub

                           tampil("start" );   

                     }

                    

                     @Override

                     public void onProgressChanged(SeekBar seekBar, int progress,

                                  boolean fromUser) {

                           // TODO Auto-generated method stub

                           tampil("progress");

                           txt.setText(String.valueOf(progress));

                     }

              });

       }

       private void tampil(String h){

       Toast.makeText(getApplication(), h, Toast.LENGTH_SHORT)

               .show();

       }

      

}

3. Running