android拖动条应用源程序

/************ 拖动条应用 ******************/ /*功能描述：拖动条应用 */ /*作者：郑 文 ClimberWin */ /*编写时间：2012.01.12 */ //android 2.3.3 //实现进度条的应用 可以读取进度数据和识别触发和停止 /**************************************************/ package win.light_control; import android.app.Activity; import android.os.Bundle; import android.widget.SeekBar; import android.widget.TextView; import android.widget.SeekBar.OnSeekBarChangeListener; public class LightcontrolActivity extends Activity implements OnSeekBarChangeListener { /** Called when the activity is first created. */ SeekBar mSeekBar; TextView mProgressText; TextView mTrackingText; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //取得SeekBar对象 mSeekBar=(SeekBar)findViewById(R.id.seekBar1); mSeekBar.setOnSeekBarChangeListener(this); mProgressText=(TextView)findViewById(R.id.textView2); mTrackingText=(TextView)findViewById(R.id.textView3); } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { // TODO Auto-generated method stub mProgressText.setText(progress+"%"); } @Override public void onStartTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub 正在调节 mTrackingText.setText("调节中..."); } @Override public void onStopTrackingTouch(SeekBar seekBar) { // TODO Auto-generated method stub 停止调节 mTrackingText.setText("停止调节"); } }