Android 控件seekbar進度條、ratingbar星星評分條

 

Android 控件seekbar、ratingbar

1、Seekbar就是一個進度條；可拖動可改變；

拖動後：

原代碼如下：

佈局文件：

<?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"
    >
<SeekBar
    android:id="@+id/seekbarld"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    />
</LinearLayout>

<?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" > <SeekBar android:id="@+id/seekbarld" android:layout_width="fill_parent" android:layout_height="wrap_content" /> </LinearLayout>

JAVA代碼：

package lili.seekbar;

import android.app.Activity;
import android.os.Bundle;
import android.widget.SeekBar;
importandroid.widget.SeekBar.OnSeekBarChangeListener;

public class SeekBarActivity extendsActivity {
       /**Called when the activity is first created. */
       privateSeekBar seekBar = null;

       @Override
       publicvoid onCreate(Bundle savedInstanceState) {
              super.onCreate(savedInstanceState);
              setContentView(R.layout.main);
              //綁定控件
              seekBar= (SeekBar) findViewById(R.id.seekbarld);
              //設置進度條條的最大值
              seekBar.setMax(100);
              //添加監聽器
              seekBar.setOnSeekBarChangeListener(newSeekBarListener());

       }
       //一個監聽器，該監聽器負責監聽進度條狀態 的改變
       privateclass SeekBarListener implements OnSeekBarChangeListener {
              //當進度條的進度發生 變化 時，會調用 該 方法
              publicvoid onProgressChanged(SeekBar seekBar, int progress,
                            booleanfromUser) {
                     System.out.println(progress);
              }
              publicvoid onStartTrackingTouch(SeekBar seekBar) {
                     System.out.println("start->"+ seekBar.getProgress());
              }
              publicvoid onStopTrackingTouch(SeekBar seekBar) {
                     System.out.println("stop->"+ seekBar.getProgress());
              }
       }

}

package lili.seekbar; import android.app.Activity; import android.os.Bundle; import android.widget.SeekBar; importandroid.widget.SeekBar.OnSeekBarChangeListener; public class SeekBarActivity extendsActivity { /**Called when the activity is first created. */ privateSeekBar seekBar = null; @Override publicvoid onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //綁定控件 seekBar= (SeekBar) findViewById(R.id.seekbarld); //設置進度條條的最大值 seekBar.setMax(100); //添加監聽器 seekBar.setOnSeekBarChangeListener(newSeekBarListener()); } //一個監聽器，該監聽器負責監聽進度條狀態 的改變 privateclass SeekBarListener implements OnSeekBarChangeListener { //當進度條的進度發生 變化 時，會調用 該 方法 publicvoid onProgressChanged(SeekBar seekBar, int progress, booleanfromUser) { System.out.println(progress); } publicvoid onStartTrackingTouch(SeekBar seekBar) { System.out.println("start->"+ seekBar.getProgress()); } publicvoid onStopTrackingTouch(SeekBar seekBar) { System.out.println("stop->"+ seekBar.getProgress()); } } }

2、Ratingbar是平分條；星星表示

點擊星星後：

原碼：

佈局文件：

<?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"
    >
<RatingBar
    android:id="@+id/ratingbarld"
    android:layout_height="wrap_content"
    android:layout_width="wrap_content"
    android:numStars="5"
    android:stepSize="13.0"
 />
</LinearLayout>

<?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" > <RatingBar android:id="@+id/ratingbarld" android:layout_height="wrap_content" android:layout_width="wrap_content" android:numStars="5" android:stepSize="13.0" /> </LinearLayout>

JAVA文件：

package lili.ratingbar;

import android.app.Activity;
import android.os.Bundle;
import android.widget.RatingBar;

public class RatingBarActivity extends Activity{
    /**Called when the activity is first created. */
    privateRatingBar ratingBar=null;
   @Override
    publicvoid onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.main);
        ratingBar=(RatingBar)findViewById(R.id.ratingbarld);
       ratingBar.setOnRatingBarChangeListener(newRatingBarListener());
    }
   private class RatingBarListener implementsRatingBar.OnRatingBarChangeListener{

       @Override
       publicvoid onRatingChanged(RatingBar ratingBar, float rating,
              booleanfromUser) {
           System.out.println("rating-->"+rating);
       }

    }
}

package lili.ratingbar; import android.app.Activity; import android.os.Bundle; import android.widget.RatingBar; public class RatingBarActivity extends Activity{ /**Called when the activity is first created. */ privateRatingBar ratingBar=null; @Override publicvoid onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ratingBar=(RatingBar)findViewById(R.id.ratingbarld); ratingBar.setOnRatingBarChangeListener(newRatingBarListener()); } private class RatingBarListener implementsRatingBar.OnRatingBarChangeListener{ @Override publicvoid onRatingChanged(RatingBar ratingBar, float rating, booleanfromUser) { System.out.println("rating-->"+rating); } } }