1 package com.zdztools.seekbartest;
 2
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.util.Log;
 6 import android.widget.SeekBar;
 7 import android.widget.TextView;
 8 import android.widget.SeekBar.OnSeekBarChangeListener;
 9
10 public class MainActivity extends Activity {
11     protected static final String TAG = "MainActivity";
12     private SeekBar seek;
13     private TextView myTextView;
14
15     @Override
16     protected void onCreate(Bundle savedInstanceState) {
17         super.onCreate(savedInstanceState);
18         setContentView(R.layout.activity_main);
19
20         myTextView = (TextView) findViewById(R.id.myTextView);
21         seek = (SeekBar) findViewById(R.id.mySeekBar);
22         //初始化
23         seek.setProgress(60);
24         seek.setOnSeekBarChangeListener(seekListener);
25         myTextView.setText("当前值 为: -" + 60);
26     }
27
28     private OnSeekBarChangeListener seekListener = new OnSeekBarChangeListener(){
29         @Override
30         public void onStopTrackingTouch(SeekBar seekBar) {
31             Log.i(TAG,"onStopTrackingTouch");
32         }
33
34         @Override
35         public void onStartTrackingTouch(SeekBar seekBar) {
36             Log.i(TAG,"onStartTrackingTouch");
37         }
38
39         @Override
40         public void onProgressChanged(SeekBar seekBar, int progress,
41                 boolean fromUser) {
42             Log.i(TAG,"onProgressChanged");
43             myTextView.setText("当前值 为: -" + progress);
44
45         }
46     };
47 }

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin" ><TextViewandroid:id="@+id/myTextView"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_margin="20dip"android:text=""android:textSize="16sp"android:textStyle="bold" /><SeekBarandroid:id="@+id/mySeekBar"android:layout_width="fill_parent"android:layout_height="wrap_content" /></LinearLayout>