Android(安卓)SeekBar

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/hello" />    <SeekBar        android:id="@+id/seekBar1"        android:layout_width="match_parent"        android:layout_height="wrap_content" />    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="TextView" /></LinearLayout>

package com.pandy.seekbar;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.SeekBar;import android.widget.TextView;public class SeekBarDemoActivity extends Activity {    /** Called when the activity is first created. */private SeekBar seekBar1;private TextView textView1;     @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                seekBar1 = (SeekBar)findViewById(R.id.seekBar1);        textView1 = (TextView)findViewById(R.id.textView1);                seekBar1.setVisibility(View.VISIBLE);                seekBar1.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {@Overridepublic void onStopTrackingTouch(SeekBar seekBar) {// TODO Auto-generated method stubtextView1.setText("onStopTrackingTouch....");}@Overridepublic void onStartTrackingTouch(SeekBar seekBar) {// TODO Auto-generated method stubtextView1.setText("onStartTrackingTouch....");}@Overridepublic void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) {// TODO Auto-generated method stubtextView1.setText("onProgressChanged:"+progress);}});            }}

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