Android 控件之ProgressBar进度条(2)

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="自定义进度条" />       

    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <Button android:id="@+id/decrease_secondary"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="第二减少" />

        <Button android:id="@+id/increase_secondary"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="第二增加" />

    </LinearLayout>

</LinearLayout>

2.Java代码

package wjq.WidgetDemo;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.ProgressBar;

public class ProgressBarDemo extends Activity {

 /* (non-Javadoc)
  * @see android.app.Activity#onCreate(android.os.Bundle)
  */
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  // TODO Auto-generated method stub
  super.onCreate(savedInstanceState);
  
   requestWindowFeature(Window.FEATURE_PROGRESS);
         setContentView(R.layout.probarpage);
         setProgressBarVisibility(true);
        
         final ProgressBar progressHorizontal = (ProgressBar) findViewById(R.id.progress_horizontal);
         setProgress(progressHorizontal.getProgress() * 100);
         setSecondaryProgress(progressHorizontal.getSecondaryProgress() * 100);
        
         Button button = (Button) findViewById(R.id.increase);
         button.setOnClickListener(new Button.OnClickListener() {
             public void onClick(View v) {
                 progressHorizontal.incrementProgressBy(1);
                 // Title progress is in range 0..10000
                 setProgress(100 * progressHorizontal.getProgress());
             }
         });

         button = (Button) findViewById(R.id.decrease);
         button.setOnClickListener(new Button.OnClickListener() {
             public void onClick(View v) {
                 progressHorizontal.incrementProgressBy(-1);
                 // Title progress is in range 0..10000
                 setProgress(100 * progressHorizontal.getProgress());
             }
         });