Android(安卓)SeekBar的使用

SeekBar拖动条的使用：

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical" android:layout_width="fill_parent"android:layout_height="fill_parent"><SeekBar android:id="@+id/SeekBar01" android:layout_width="fill_parent"android:layout_height="wrap_content" android:max="100"android:progress="50" android:secondaryProgress="100"></SeekBar><TextView android:id="@+id/TextView1" android:layout_width="fill_parent"android:layout_height="wrap_content" android:text="" /><TextView android:id="@+id/TextView2" android:layout_width="fill_parent"android:layout_height="wrap_content" android:text="" /></LinearLayout>

package com.Aina.Android;import android.app.Activity;import android.os.Bundle;import android.widget.SeekBar;import android.widget.TextView;public class Test_SeekBar extends Activity implements SeekBar.OnSeekBarChangeListener{    /** Called when the activity is first created. */private SeekBar seekBar;private TextView textView1,textView2;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        seekBar = (SeekBar) this.findViewById(R.id.SeekBar01);        textView1 = (TextView) this.findViewById(R.id.TextView1);        textView2 = (TextView) this.findViewById(R.id.TextView2);        seekBar.setOnSeekBarChangeListener(this);//添加事件监听    }    //拖动中@Overridepublic void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) {this.textView1.setText("当前值:"+progress);}//开始拖动@Overridepublic void onStartTrackingTouch(SeekBar seekBar) {this.textView2.setText("拖动中...");}//结束拖动@Overridepublic void onStopTrackingTouch(SeekBar seekBar) {this.textView2.setText("拖动完毕");}}

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