SeekBar拖动条控件

一、简介

1、

 

 

二、SeekBar拖动条控件使用方法

1、创建SeekBar控件

 

2、添加setOnSeekBarChangeListener监听

seekBar2.setOnSeekBarChangeListener(this);

 

三、代码实例

1、效果图：

 

2、代码

fry.Activity01

1 package fry; 2  3 import com.example.SeekBarDemo1.R; 4  5 import android.app.Activity; 6 import android.os.Bundle; 7 import android.widget.SeekBar; 8 import android.widget.SeekBar.OnSeekBarChangeListener; 9 import android.widget.TextView;10 import android.widget.Toast;11 12 public class Activity01 extends Activity implements OnSeekBarChangeListener{13     private TextView textView1;14     private TextView textView2;15     private SeekBar seekBar1;16     private SeekBar seekBar2;17     @Override18     protected void onCreate(Bundle savedInstanceState) {19         // TODO Auto-generated method stub20         super.onCreate(savedInstanceState);21         setContentView(R.layout.activity01);22         textView1=(TextView) findViewById(R.id.TextView1_seekBar);23         textView2=(TextView) findViewById(R.id.TextView2_seekBar);24         seekBar1=(SeekBar) findViewById(R.id.SeekBar1);25         seekBar2=(SeekBar) findViewById(R.id.SeekBar2);26         seekBar1.setOnSeekBarChangeListener(this);27         seekBar2.setOnSeekBarChangeListener(this);28     }29     /*30      * onProgressChanged：进度条改变事件31      * onStartTrackingTouch：进度条开始拖动事件32      * onStopTrackingTouch：进度条停止拖动事件33      * (non-Javadoc)34      * @see android.widget.SeekBar.OnSeekBarChangeListener#onProgressChanged(android.widget.SeekBar, int, boolean)35      */36     @Override37     public void onProgressChanged(SeekBar seekBar, int progress,38             boolean fromUser) {39         // TODO Auto-generated method stub40         if(seekBar1.getId()==R.id.SeekBar1){41             Toast.makeText(this, "1111111", Toast.LENGTH_SHORT).show();42             textView1.setText("seekBar1当前位置："+progress);43         }else{44             textView2.setText("seekBar2当前位置："+progress);45         }46     }47     @Override48     public void onStartTrackingTouch(SeekBar seekBar) {49         // TODO Auto-generated method stub50         if(seekBar1.getId()==R.id.SeekBar1){51             textView1.setText("seekBar1开始拖动");52         }else{53             textView2.setText("seekBar2开始拖动：");54         }55     }56     @Override57     public void onStopTrackingTouch(SeekBar seekBar) {58         // TODO Auto-generated method stub59         if(seekBar1.getId()==R.id.SeekBar1){60             textView1.setText("seekBar1停止拖动");61         }else{62             textView2.setText("seekBar2停止拖动：");63         }64     }65 }

/SeekBarDemo1/res/layout/activity01.xml

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四、获得

 1、设置初始进度条

android:progress="30"

2、设置setOnSeekBarChangeListener监听

seekBar1.setOnSeekBarChangeListener(this);

3、onProgressChanged：进度条改变事件

4、onStartTrackingTouch：进度条开始拖动事件

5、onStopTrackingTouch：进度条停止拖动事件