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[英]How to determine if a resize event was triggered by soft keyboard in mobile browser?
[英]Detect when resize event is triggered by the Android browser's on screen keyboard
我有一個使用resize事件的表單,以保持布局與瀏覽器視口的大小成比例。 我遇到的問題是,當Android瀏覽器上出現屏幕鍵盤時,事件會觸發。 這會導致表單的布局發生變化,因此輸入字段會在瀏覽器關注后移動。 這使我的應用程序在Android上無法使用。 這不是IOS的問題,因為屏幕鍵盤似乎是不會觸發調整大小事件的疊加層。
有沒有辦法檢測到調整大小事件是由鍵盤外觀引發的?
好的,這是對html5(瀏覽器)應用程序的修復。
var isKeyboardOpen = false;
// Override onresize event if you have it already just insert code
// also you can check id of element or any other parameters
if (document.activeElement.tagName == "INPUT" ||
document.activeElement.tagName == "input") {
// regular onresize
// Indicate normal resize
}
else {
// We know that element who opens keyboard is in 'focus'
// avoid resize
}
// To check is it keyboard open use this code
window.addEventListener('native.showkeyboard', keyboardShowHandler);
window.addEventListener('native.hidekeyboard', keyboardHideHandler);
function keyboardShowHandler(e){
isKeyboardOpen = true; //always know status
}
function keyboardHideHandler(e){
isKeyboardOpen = false;
}
最初嘗試通過設置標志來防止:
var object = document.getElementById("IwillOpenKeyboardOnMobile");
object.addEventListener("focus", ONFOCUSELEMENT);
function ONFOCUSELEMENT() {
isKeyboardOpen = true;
}
// opposite event is blur
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