J2ME中关于Lwuit的标签的综合使用
由于我使用的主题对中文支持不好，希望大家下载或编辑一些好的主题。
package com.mopietek;import java.io.IOException;import javax.microedition.midlet.MIDlet;import javax.microedition.midlet.MIDletStateChangeException;import com.sun.lwuit.Button;import com.sun.lwuit.ButtonGroup;import com.sun.lwuit.CheckBox;import com.sun.lwuit.ComboBox;import com.sun.lwuit.Command;import com.sun.lwuit.Component;import com.sun.lwuit.Container;import com.sun.lwuit.Display;import com.sun.lwuit.Form;import com.sun.lwuit.Graphics;import com.sun.lwuit.Image;import com.sun.lwuit.Label;import com.sun.lwuit.List;import com.sun.lwuit.Painter;import com.sun.lwuit.RadioButton;import com.sun.lwuit.TabbedPane;import com.sun.lwuit.TextArea;import com.sun.lwuit.TextField;import com.sun.lwuit.animations.CommonTransitions;import com.sun.lwuit.animations.Transition;import com.sun.lwuit.animations.Transition3D;import com.sun.lwuit.events.ActionEvent;import com.sun.lwuit.events.ActionListener;import com.sun.lwuit.geom.Dimension;import com.sun.lwuit.geom.Rectangle;import com.sun.lwuit.layouts.BorderLayout;import com.sun.lwuit.layouts.BoxLayout;import com.sun.lwuit.layouts.GridLayout;import com.sun.lwuit.plaf.Style;import com.sun.lwuit.plaf.UIManager;import com.sun.lwuit.table.Table;import com.sun.lwuit.util.Resources;public class ComponentMIDlet extends MIDlet implements ActionListener{ public Form mainForm; public List mexampleList; public Command mBackCommand; protected void startApp() throws MIDletStateChangeException { if(mainForm == null){ Display.init(this); try { Resources res = Resources.open("/javaTheme.res"); UIManager.getInstance().setThemeProps(res.getTheme("javaTheme")); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } Form f = new Form("测试组件"); mainForm = f; f.setLayout(new BorderLayout()); List exampleList = new List(); mexampleList = exampleList; exampleList.addItem("Labels"); exampleList.addItem("Buttons"); exampleList.addItem("More Buttons"); exampleList.addItem("List and ComboBox"); exampleList.addItem("Text"); exampleList.addItem("Layouts"); exampleList.addItem("Events"); exampleList.addItem("Style"); exampleList.addItem("TabbedPane"); exampleList.addItem("Painter"); exampleList.addItem("Exit"); exampleList.addActionListener(this); f.addComponent(BorderLayout.CENTER,exampleList); mBackCommand = new Command("返回"); } mainForm.show(); } protected void destroyApp(boolean unconditional) throws MIDletStateChangeException { // TODO Auto-generated method stub } protected void pauseApp() { // TODO Auto-generated method stub } public void actionPerformed(ActionEvent ae) { if(ae.getSource() == mexampleList){ //选中的List列表 String selection = (String)mexampleList.getSelectedItem(); if(selection.equals("Labels")){ showLabels(); } else if(selection.equals("Buttons")){ showButtons(); } else if(selection.equals("More Buttons")){ showMoreButtons(); } else if(selection.equals("List and ComboBox")){ showListAndComboBox(); } else if(selection.equals("Text")){ showText(); } else if(selection.equals("Layouts")){ showLayouts(); } else if(selection.equals("Events")){ showEvents(); } else if(selection.equals("Style")){ showStyle(); } else if(selection.equals("TabbedPane")){ showTabbedPane(); } else if(selection.equals("Painter")){ showPainter(); } else if(selection.equals("Exit")){ try { destroyApp(true); } catch (MIDletStateChangeException e) { // TODO Auto-generated catch block e.printStackTrace(); } notifyDestroyed(); } } if(ae.getCommand() == mBackCommand){ mainForm.show(); } } public void showLabels(){ Form f = new Form("测试Label"); f.setLayout(new BoxLayout(BoxLayout.Y_AXIS)); Label label1 = new Label("label1"); Image image = null; try { image = Image.createImage("/baldy.png"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } Label label2 = new Label(image); Label label3 = new Label(image); label3.setText("label3"); label3.setTextPosition(Component.BOTTOM); f.addComponent(label1); f.addComponent(label2); f.addComponent(label3); f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); } public void showButtons(){ Form f = new Form("测试Button"); try { Button button1 = new Button("ClickMe"); button1.setTextPosition(Component.BOTTOM); Image image = Image.createImage("/baldy.png"); Button button2 = new Button(image); Button button3 = new Button("Pic",image); button3.setTextPosition(Component.BOTTOM); f.addComponent(button1); f.addComponent(button2); f.addComponent(button3); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); } public void showMoreButtons(){ Form f = new Form("MoreButtons"); ButtonGroup buttonGroup = new ButtonGroup(); RadioButton rb1 = new RadioButton("Mike"); RadioButton rb2 = new RadioButton("Coffer"); RadioButton rb3 = new RadioButton("Tea"); rb1.addActionListener(this); rb2.addActionListener(this); rb3.addActionListener(this); buttonGroup.add(rb1); buttonGroup.add(rb2); buttonGroup.add(rb3); f.addComponent(rb1); f.addComponent(rb2); f.addComponent(rb3); CheckBox checkBox1 = new CheckBox("checkBox1"); CheckBox checkBox2 = new CheckBox("checkBox2"); CheckBox checkBox3 = new CheckBox("checkBox3"); CheckBox checkBox4 = new CheckBox("checkBox4"); CheckBox checkBox5 = new CheckBox("checkBox5"); CheckBox checkBox6 = new CheckBox("checkBox6"); f.addComponent(checkBox1); f.addComponent(checkBox2); f.addComponent(checkBox3); f.addComponent(checkBox4); f.addComponent(checkBox5); f.addComponent(checkBox6); f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); } public void showListAndComboBox(){ Form f = new Form("List and ComboBox"); List list = new List(); list.addItem("red"); list.addItem("green"); list.addItem("yellow"); list.addItem("blue"); list.addItem("white"); ComboBox comboBox = new ComboBox(list.getModel()); f.addComponent(list); f.addComponent(comboBox); f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); } public void showText(){ Form f = new Form("测试 Text组件"); TextField textField = new TextField("this is write content in textField"); TextArea textArea = new TextArea("this is write content in TextArea!",5,20); textArea.setMaxSize(512); f.addComponent(textField); f.addComponent(textArea); f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); } public void showLayouts(){ Form f = new Form("Text Layouts"); f.setLayout(new BorderLayout()); try{ Image image = Image.createImage("/baldy.png"); Label label = new Label(image); label.setAlignment(Component.CENTER); label.setText("Label in Layouts"); label.setTextPosition(Component.BOTTOM); // Container buttonContainer = new Container(new BoxLayout(BoxLayout.X_AXIS)); Container buttonContainer = new Container(); GridLayout exampleLayout = new GridLayout(3,2); buttonContainer.setLayout(exampleLayout); buttonContainer.addComponent(new Button("Add")); buttonContainer.addComponent(new Button("Remove")); buttonContainer.addComponent(new Button("Edit")); buttonContainer.addComponent(new Button("Send")); buttonContainer.addComponent(new Button("Receive")); buttonContainer.addComponent(new Button("Exit")); f.addComponent(BorderLayout.NORTH,label); f.addComponent(BorderLayout.CENTER,buttonContainer); f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); }catch(IOException e){ e.printStackTrace(); } } public void showEvents(){ Form f = new Form("Test Events"); f.setLayout(new BorderLayout()); final Button button = new Button("Click Me"); button.addActionListener(new ActionListener(){ int i = 0; public void actionPerformed(ActionEvent av) { i++; button.setText("NO."+i+"Clicked"); } }); f.addComponent(BorderLayout.NORTH,button); f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); } public void showStyle(){ Form f = new Form("Style"); f.setLayout(new BoxLayout(BoxLayout.Y_AXIS)); Label label1 = new Label("No using Style"); //设置标签为透明色 Label label2 = new Label("Transparent"); label2.getStyle().setBgTransparency(0); //改变标签背景色 Label label3 = new Label("Change the BackGroud Color and Font Color"); Style style = label3.getStyle(); style.setBgColor(0xaa00ff); //字体颜色为白色 style.setFgColor(0xffffff); //设置margin的大小 Label label4 = new Label("Margin around is 10px"); label4.getStyle().setMargin(10,10,10, 10); //设置padding的大小 Label label5 = new Label("Padding around is 20px"); label5.getStyle().setPadding(20,20,20,20); f.addComponent(label1); f.addComponent(label2); f.addComponent(label3); f.addComponent(label4); f.addComponent(label5); f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); } public void showTabbedPane(){ Form f = new Form("TabbedPane"); f.setLayout(new BorderLayout()); TabbedPane tabbedPane = new TabbedPane(TabbedPane.TOP); tabbedPane.addTab("tab1", new Label("this is label One")); tabbedPane.addTab("Tab2", new Label("this is label Two")); f.addComponent(BorderLayout.NORTH, tabbedPane); f.addCommand(mBackCommand); f.setCommandListener(this); f.show(); } public void showPainter(){ Form f = new Form("Painter"); try { Label label = new Label("Baldy"); Image image = Image.createImage("/baldy.png"); Label pictureLabel = new Label(image); Label bottomText = new Label(image); bottomText.setText("Baldassare"); bottomText.setTextPosition(Component.BOTTOM); f.addComponent(label); f.addComponent(pictureLabel); f.addComponent(bottomText); } catch (IOException ioe) { System.out.println(ioe); } final int bg = f.getStyle().getBgColor(); final int fg = f.getStyle().getFgColor(); f.getStyle().setBgPainter(new Painter() { public void paint(Graphics g, Rectangle rect) { int s = 12; Dimension size = rect.getSize(); int rx = rect.getX(); int ry = rect.getY(); int rw = size.getWidth(); int rh = size.getHeight(); g.setColor(bg); g.fillRect(rx, ry, rw, rh); //画棱形 g.setColor(fg); for (int y = 0; y < rh; y += 2 * s) { for (int x = 0; x < rw; x += s) { g.fillTriangle(rx + x, ry + y + s, rx + x + s / 2, ry + y, rx + x + s, ry + y + s); g.fillTriangle(rx + x, ry + y + s, rx + x + s / 2, ry + y + 2 *s, rx + x + s, ry + y + s); } } } }); f.addCommand(mBackCommand); f.setCommandListener(this); //增加3D特效 //时间 //true为逆时针翻转(向右翻转) false为顺时针翻转（向左翻转） Transition t = Transition3D.createCube(400, true); if (t == null) //当t为null时，通过 CommonTransitions创建特效 //第一参数为type ， 第二参数 为翻转， 第三参数时间 t = CommonTransitions.createSlide(CommonTransitions.SLIDE_VERTICAL, true, 700); f.setTransitionInAnimator(t); t = Transition3D.createCube(400, false); if (t == null) // type是"SLIDE_VERTICAL"为上下切换,SLIDE_HORIZONTAL为左右切换 t = CommonTransitions.createSlide(CommonTransitions.SLIDE_HORIZONTAL, false, 700); f.setTransitionOutAnimator(t); f.show(); }}