实现能定点移动的seekbar

布局xml

<?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"    ><TextView      android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="@string/seep"    android:id="@+id/seep"    />       <SeekBar android:id="@+id/seekbar"   android:layout_width="fill_parent"   android:layout_height="wrap_content"   /></LinearLayout>

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java代码

public class SeekBarActivity extends Activity {private SeekBar seekbar;private TextView tv ;int max=100;boolean flag = true;private Handler handler = new Handler(){public void handleMessage(Message mes){seekbar.setProgress(seekbar.getProgress()+1);} };     @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                seekbar = (SeekBar)findViewById(R.id.seekbar);        tv = (TextView)findViewById(R.id.seep);        seekbar.setMax(max);        seep();        seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener(){@Overridepublic void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) {tv.setText("进度为:"+progress+"%");}@Overridepublic void onStartTrackingTouch(SeekBar seekBar) {//停止刷新flag=false;}@Overridepublic void onStopTrackingTouch(SeekBar seekBar) {flag=true;handler.sendEmptyMessage(0);}                });    }        private void seep(){    DisThread dt = new DisThread();    dt.start();    }       class DisThread extends Thread{    public void run(){    while(flag && seekbar.getProgress()<max){    try {    Thread.sleep(1000);    } catch (InterruptedException e) {    e.printStackTrace();    }    handler.sendEmptyMessage(0);    }        }    }}