Android开发手记(11) 滑动条SeekBar

setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener()

 1 import android.support.v7.app.AppCompatActivity;
 2 import android.os.Bundle;
 3 import android.widget.SeekBar;
 4 import android.widget.TextView;
 5 
 6 public class MainActivity extends AppCompatActivity {
 7 
 8     private SeekBar seekBar;
 9     private TextView textView;
10 
11     @Override
12     protected void onCreate(Bundle savedInstanceState) {
13         super.onCreate(savedInstanceState);
14         setContentView(R.layout.activity_main);
15 
16         seekBar = (SeekBar) findViewById(R.id.seekBar);
17         textView = (TextView) findViewById(R.id.textView);
18 
19         seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
20             @Override
21             public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
22                 textView.setText(i + " progress");
23             }
24 
25             @Override
26             public void onStartTrackingTouch(SeekBar seekBar) {
27 
28             }
29 
30             @Override
31             public void onStopTrackingTouch(SeekBar seekBar) {
32 
33             }
34         });
35     }
36 }