SeekBar
<div id="cnblogs_post_body"><div class="cnblogs_code">public class MainActivity extends Activity implements OnSeekBarChangeListener { private TextView tv; private SeekBar sb; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); tv = (TextView) findViewById(R.id.textView1); sb = (SeekBar) findViewById(R.id.seekbar); sb.setOnSeekBarChangeListener(this); } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { // TODO Auto-generated method stub tv.setText("Progress is " + progress + (fromUser ? " Trigger" : " Nontrigger") + " by user."); } @Override public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public void onStopTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; }}
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