com.sun.awt.AWTUtilities.setWindowOpacity相关说明

在eclipse中(jdk1.6.*)版本中出现编译不通过而报错,报错是因为这个包里面的方法不属于jdk正式版本,也就是不能保证下个版本还存在,所以编译器会拒绝,你可以在eclipse中如下设置: 选择Window->Preferences->Java->Compiler->Errors/Warnings;然后选择Deprecated and restricted API,将 Deprecated API从ERROR改为Warning即可!

 package Com.SwingTest;

 import java.awt.BorderLayout;
 import java.awt.Font;
 import java.awt.GraphicsEnvironment;
 import java.awt.Rectangle;
 import java.awt.Window;
 import javax.swing.JButton;
 import javax.swing.JWindow;

 import com.sun.awt.AWTUtilities;

 public class SwingText_08 {

     private int _height = ; // 气泡提示高
     private int _step = ; // 设定循环的步长
     private int _stepTime = ; // 每步时间
     private int _displayTime = ;  // 显示时间
     private Font _font;    // 字体

     /**
      * 构造函数，初始化默认气泡提示设置
      *
      */
     public SwingText_08()
     {
         _font = new Font("微软雅黑", , );// 设定字体
         try {
             JWindow.class.getMethod("setAlwaysOnTop",
                     new Class[] { Boolean.class });
         } catch (Exception e) {
         }
     }

     /**
      * 重构JWindow用于显示单一气泡提示框
      *
      */
     class ToolTipSingle extends Window
     {
         private static final long serialVersionUID = 1L;
         private JButton _message = new JButton(){
             /**
              *
              */
             private static final long serialVersionUID = 1L;

             @Override
             public void repaint()
             {
             }
         };

         @SuppressWarnings("deprecation")
         public ToolTipSingle(String msg) {
             super(null);

             int cntText=msg.length();
             int with = cntText*+;
             int height = _height;

             Rectangle screenRect = GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds();
             int screenHeight = (int) screenRect.height;
             int screenWidth = (int) screenRect.width;

             int posx = screenWidth/-with/;
             int posy = screenHeight/-height/;

             setBounds(posx, posy, with, height);
             _message.setFont(getMessageFont());
             _message.setText(msg);

             _message.setFocusPainted(false);
             //_message.setEnabled(false);
             add(_message, BorderLayout.CENTER);

             setAlwaysOnTop(true);
             setLocationRelativeTo(null);

             show(true);
         }

         /**
          * 动画开始
          *
          */
         public void animate() {
             new Animation(this).start();
         }
     }

     /**
      * 此类处则动画处理
      *
      */
     class Animation extends Thread
     {

         ToolTipSingle _single;

         public Animation(ToolTipSingle single) {
             this._single = single;
         }

         /**
          * 开始动画处理
          */
         @SuppressWarnings("deprecation")
         public void run() {
             try {
                 float value = 0.0f;
                 while((value+0.02)<1.0f)
                 {
                     value+=0.02f;
                     com.sun.awt.AWTUtilities.setWindowOpacity(_single, value);
                     Thread.sleep();
                 }

                 while(_displayTime>)
                 {
                     Thread.sleep();
                     _displayTime = _displayTime-;
                 }

                 value=;
                 while((value-0.02)>0f)
                 {
                     value-=0.02f;
                     com.sun.awt.AWTUtilities.setWindowOpacity(_single, value);
                     Thread.sleep();
                 }

             } catch (Exception e) {
                 throw new RuntimeException(e);
             }

             _single.show(false);
         }
     }

     /**
      * 设定显示信息
      *
      * @param icon
      * @param msg
      */
     public void show(String msg) {
         new ToolTipSingle(msg).animate();
     }

     /**
      * 获得当前消息字体
      *
      * @return
      */
     public Font getMessageFont() {
         return _font;
     }

     /**
      * 设置当前消息字体
      *
      * @param font
      */
     public void setMessageFont(Font font) {
         _font = font;
     }

     /**
      * 获得显示时间
      *
      * @return
      */
     public int getDisplayTime() {
         return _displayTime;
     }

     /**
      * 设置显示时间
      *
      * @param displayTime
      */
     public void setDisplayTime(int displayTime) {
         this._displayTime = displayTime;
     }

     /**
      * 获得循环步长
      *
      * @return
      */
     public int getStep() {
         return _step;
     }

     /**
      * 设定循环步长
      *
      * @param _step
      */
     public void setStep(int _step) {
         this._step = _step;
     }

     public int getStepTime() {
         return _stepTime;
     }

     public void setStepTime(int _stepTime) {
         this._stepTime = _stepTime;
     }

     public static void main(String[] argv)
     {
         new SwingText_08().show("全部任务已经载入完成!");
     }
 }