Android中SeekBar进度条操作

public class MainActivity extends Activity {private SeekBar seekBar;private static final int MAX_PROGRESS =100;private int current_progress=10;private static final int PRO=1;private Handler handler;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);seekBar = (SeekBar) this.findViewById(R.id.seekBar1);seekBar.setMax(MAX_PROGRESS);/*new Thread(new Runnable() {@Overridepublic void run() {while(true){try {Thread.sleep(600);current_progress+=10;seekBar.setProgress(current_progress);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}).start();*/handler = new Handler(){ @Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);switch (msg.what) {case PRO:  if(current_progress>=MAX_PROGRESS){    }else{  current_progress+=1;  seekBar.incrementProgressBy(1);    handler.sendEmptyMessageDelayed(PRO, 600);  }break;default:break;}}}; current_progress=current_progress>0?current_progress:0; seekBar.setProgress(current_progress);  handler.sendEmptyMessage(PRO);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}
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