#键盘监听

h5 移动端 监听软键盘弹起、收起

前面一篇博客h5安卓键盘弹起界面适配修改webview高度提到了在adnroid中如何监听软键盘的弹起与收起,是利用的窗口的高度发生变化window.onresize事件来做突破点的,但是ios中软键盘的弹起收起并不触发window.onresize事件。总结:1.在ios中软键盘弹起时,仅会引起$(‘body’).s...

Android input输入框 移动页面input手机键盘中的“搜索”按键

动页面input手机键盘中的“搜索”按键满足以下几点机即可:   inputtype="search"   放到form标签中   使用action属性<formaction="."><inputtype='se...

js监听键盘事件,enter键来触发事件

  键盘事件1.onkeydown:按钮按下时触发2.onkeyup:按钮弹起时触发用的比较多的是onkeydown事件,我们可以捕获到键盘按键,常常被用来点击enter键时去执行一系列操作,来代替点击确定或登录按钮,下面展示enter键来触发事件<html><head><title>...

在java.util中有EventListener接口:所有事件监听者都要实现这个接口。

在java.util中有EventListener接口:所有事件监听者都要实现这个接口。java.util中有EventObject类:所有的事件都为其子类。 事件范例在CoreJavaGirl.java文件中。(文件已加注释)       ...

e840. 监听JTabbedPane中选中卡片的改变

Atabbedpanefiresachangeeventwhenevertheselectedtabischangedeitherbytheuserorprogrammatically.//CreatethetabbedpaneJTabbedPanepane=newJTabbedPane();//Addtabs...;...

e788. 取消JSpinner的键盘编辑能力

//CreateanummberspinnerJSpinnerspinner=newJSpinner();//DisablekeyboardeditsinthespinnerJFormattedTextFieldtf=((JSpinner.DefaultEditor)spinner.getEditor()).getTe...

e793. 监听JSpinner数据变化

//CreateanummberspinnerJSpinnerspinner=newJSpinner();//Addthelistenerspinner.addChangeListener(newSpinnerListener());//Changingthevalueprogrammaticallyalsofires...

e800. 监听JSlider的数值变化

//CreatehorizontalsliderJSliderslider=newJSlider();//Registerachangelistenerslider.addChangeListener(newChangeListener(){//Thismethodiscalledwhenevertheslider's...

e822. 监听JScrollPane的滚动

Ascrollbarinascrollpanefiresadjustmenteventswheneveritsvaluechanges.//CreateascrollabletextareaJTextAreatextArea=newJTextArea();JScrollPanepane=newJScrollPane(t...

e805. 监听JProgressBar的数值变化

Wheneverthevalueofaprogressbarischanged,achangeeventisfired.Infact,theeventisalsofiredwhentheminimumormaximumvaluesarechanged.However,theeventdoesnotspecifywhic...

e807. 设置进程监听对话框的延迟弹出

Bydefault,theprogressmonitordelaysforashortperiodbeforeitisdisplayed.Therearetwopropertiesthatcontrolwhenthedialogisdisplayed--millisToPopupandmillisToDecideToP...

e806. 创建进程监听对话框

Acommonfeatureofauserinterfaceistoshowaprogressdialogthatvisuallydisplaystheprogressofalong-runningtask.Thedialogautomaticallydisappearswhenthetaskisdone.ThePro...

e815. 监听当前选择的的菜单或菜单项

ThecurrentlyselectedmenuormenuiteminaJMenuorJPopupMenuistrackedbyMenuSelectionManager.Toreceivenotificationofchangestothecurrentlyselectedmenuormenuitem,achange...

e814. 创建一个可监听选择状态的菜单项

AmenuitemcanreceivenotificationofselectionchangesbyoverridingitsmenuSelectionChanged()method.Seealsoe808建立菜单栏,菜单,菜单项.JMenuItemitem=newJMenuItem("Label"){//Thism...

e784. 监听对JList选择变动

Whenthesetofselecteditemsischanged,eitherbytheuserorprogrammatically,alistselectioneventisfired.//CreatealistString[]items={"A","B","C","D"};JListlist=newJList(...
首页上一页...23456...下一页尾页