Everyday NetLog

继续进度条的学习
1、SeekBar（查找：可拖拽）属性
.max
.progress:当前进度
.Secondary:次要进度
2、OnSeekBarChangeListener 监听变化情况
.onProgressChanged(SeekBar seekBar,int progress,boolean fromUser)
.onStartTrackingTouch(SeekBar seekBar)
.onStopTrackingTouch(SeekBar seekBar)

3、RatingBar（评分）
.numStars:星星个数
.progress:当前等级
.stepSize:前进时的分数
4、OnRatingBarChangeListener
.onRatingChanged(RatingBar ratingBar,float rating,boolean fromUser)
代码：
package com.zhoz.a_seekbar; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.RatingBar; import android.widget.RatingBar.OnRatingBarChangeListener; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; public class MainActivity extends Activity {   private SeekBar seekBar;   private RatingBar ratingBar;   private Button button;   @Override   protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.activity_main);     seekBar = (SeekBar)findViewById(R.id.seekBar);     seekBar.setProgress(30);     seekBar.setSecondaryProgress(50);     SeekBarListener listener = new SeekBarListener();     seekBar.setOnSeekBarChangeListener(listener);     ratingBar = (RatingBar)findViewById(R.id.ratingBar);     RatingBarListener ratingBarListener = new RatingBarListener();     ratingBar.setOnRatingBarChangeListener(ratingBarListener);     button = (Button)findViewById(R.id.button);     ButtonListener buttonListener = new ButtonListener();     button.setOnClickListener(buttonListener);   }   class ButtonListener implements OnClickListener{     public void onClick(View v) {       ratingBar.setRating(ratingBar.getRating() + 1.0f);     }   }   class RatingBarListener implements OnRatingBarChangeListener{     public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {       System.out.println("zhoz=>rating:" + rating + ",fromuser:" + fromUser);     }   }   class SeekBarListener implements OnSeekBarChangeListener{     /**      * SeekBar 该对象触发监听器的SeekBar对象      * progress 当前进度      * fromUser 是不是经过拖拽了进度      */     public void onProgressChanged(SeekBar SeekBar, int progress, boolean fromUser) {       System.out.println("zhoz=>progress:" + progress + "fromuser:" + fromUser);     }     public void onStartTrackingTouch(SeekBar SeekBar) {       System.out.println("zhoz=>onStart");     }     public void onStopTrackingTouch(SeekBar SeekBar) {       System.out.println("zhoz=>endStart");     }   }   @Override   public 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;   } }

作者：@Everyday NetLog
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