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Android SeekBar ExampleAndroid SeekBar is a kind of ProgressBar with draggable thumb. The end user can drag the thum left and right to move the progress of song, file download etc. The SeekBar.OnSeekBarChangeListener interface provides methods to perform even handling for seek bar. Android SeekBar and RatingBar classes are the sub classes of AbsSeekBar.
Android SeekBar Exampleactivity_main.xmlDrag the seek bar from the pallete, now activity_main.xml will look like this: File: activity_main.xml
Activity classLet's see the Activity class displaying seek bar and performing event handling. File: MainActivity.java
package example.TheDeveloperBlog.com.seekbar; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.SeekBar; import android.widget.Toast; public class MainActivity extends AppCompatActivity { SeekBar seekBar; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); seekBar=(SeekBar)findViewById(R.id.seekBar); seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { Toast.makeText(getApplicationContext(),"seekbar progress: "+progress, Toast.LENGTH_SHORT).show(); } @Override public void onStartTrackingTouch(SeekBar seekBar) { Toast.makeText(getApplicationContext(),"seekbar touch started!", Toast.LENGTH_SHORT).show(); } @Override public void onStopTrackingTouch(SeekBar seekBar) { Toast.makeText(getApplicationContext(),"seekbar touch stopped!", Toast.LENGTH_SHORT).show(); } }); } } Output:
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