未按下效果 按下效果
/**
* @作者 Jcuckoo
* @创建日期 2009-5-11
* @版本 V 1.0
*/
public class MyCustomItem extends CustomItem {
//指定按钮上面的内容
private String str;
//指定按钮的开始位置
private int x=0;
private int y=0;
//指定按钮的高度与宽度
private int btnWidth=50;
private int btnHeight=50;
//表示按键状态,true为按下,false为松开.
private boolean keyState=false;
protected MyCustomItem(String str) {
super(null);
this.str=str;
}
protected int getMinContentHeight() {
return btnHeight;
}
protected int getMinContentWidth() {
return btnWidth;
}
protected int getPrefContentHeight(int arg0) {
return getMinContentHeight();
}
protected int getPrefContentWidth(int arg0) {
return getMinContentWidth();
}
protected void paint(Graphics g, int w, int h) {
drawButton(g, str, x, y, w, h);
}
private void drawButton(Graphics g,String str,int x,int y,int w,int h){
if(keyState){
g.setColor(200,120,20);
g.drawRect(x, y, w-1, h-1);
g.setColor(150,120,20);
g.fillRect(x+2, y+2, w-4, h-4);
}else{
g.setColor(150,120,20);
g.drawRect(x, y, w-1, h-1);
g.setColor(200,120,20);
g.fillRect(x+2, y+2, w-4, h-4);
}
g.setColor(0,0,0);
g.drawString(str, (w-6)/2, (h-8)/2, 0);
}
protected void keyPressed(int keyCode) {
keyState=true;
repaint();
}
protected void keyReleased(int keyCode) {
keyState=false;
repaint();
}
}
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/**
* @作者 Jcuckoo
* @创建日期 2009-5-11
* @版本 V 1.0
*/
public class MyCustomItemMIDlet extends MIDlet {
private Display display;
private Form form;
public MyCustomItemMIDlet() {
display=Display.getDisplay(this);
form=new Form("自定义按钮测试");
MyCustomItem btn1=new MyCustomItem("1");
MyCustomItem btn2=new MyCustomItem("2");
MyCustomItem btn3=new MyCustomItem("3");
form.append(btn1);
form.append(btn2);
form.append(btn3);
}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
}
protected void pauseApp() {
}
protected void startApp() throws MIDletStateChangeException {
display.setCurrent(form);
}
}
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青岛开发区IT实训基地-青开IT实训基地
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