anroid 学习笔记18 ------ SeekBar 和 RatingBar

废话不讲，上代码

布局代码

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >
/*可选择进度条*/
<SeekBar
    android:id="@+id/two"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"

    android:max="500"
    />
<TextView 
    android:id="@+id/text"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@id/two"
    android:textColor="#ff0000"
    />
/*星星进度条*/
<RatingBar 
    android:id="@+id/xingxing"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@id/text"
    android:numStars="5"
    android:stepSize="0.5"
    />
<TextView 
    android:id="@+id/text2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@id/xingxing"
    android:textColor="#ff0000"
    />
</RelativeLayout>

java 代码

package com.lihao.bar;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.RatingBar;
import android.widget.RatingBar.OnRatingBarChangeListener;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

public class MainActivity extends Activity {
    
    private SeekBar two;
    private TextView text;
    private RatingBar xingxing;
    private TextView text2;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);    
        
        text = (TextView)findViewById(R.id.text);
        text2 = (TextView)findViewById(R.id.text2);
        two = (SeekBar)findViewById(R.id.two);
        xingxing = (RatingBar)findViewById(R.id.xingxing);
        /*设置参数 绑定监听器*/
        two.setProgress(100);
        two.setSecondaryProgress(150);
        Barlistener listener = new Barlistener();
        two.setOnSeekBarChangeListener(listener);
        /*给xingxing绑定监听器*/
        Ratlistener rlistener = new Ratlistener();
        xingxing.setOnRatingBarChangeListener(rlistener);    
        
}
/**
 * 
 * @author Administrator
 *arg0 RatingBar对象
 *arg1 选中的星星的个数
 *arg2 是否是人为操作
 */
class Ratlistener implements OnRatingBarChangeListener{

    @Override
    public void onRatingChanged(RatingBar arg0, float arg1, boolean arg2) {
        // TODO Auto-generated method stub
        if(arg2)
        {
            text2.setText("我选了"+arg1+"颗星" );
        }
        
    }
    
}
/**
 * 
 * @author Administrator
 *arg0 SeekBar 对象
 *arg1  进度条的长度
 *arg2 是否人为操作
 */
class Barlistener implements OnSeekBarChangeListener{

    @Override
    public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {
        // TODO Auto-generated method stub
        if(arg2)
        {
            text.setText("我的长度是："+arg0.getProgress());
        }
            
    }

    @Override
    public void onStartTrackingTouch(SeekBar arg0) {
        // TODO Auto-generated method stub
        text.setText("帅哥你触摸了我");
    }

    @Override
    public void onStopTrackingTouch(SeekBar arg0) {
        // TODO Auto-generated method stub
        
    }
    
}
    @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;
    }

}

贴图