HarmonyOS 鸿蒙Next：关于键盘的显示与隐藏监听，点击按钮隐藏键盘的方法。keyboardShow和keyboardHide不管用了，可以用keyboardHeightChange实现监听

【起因】

之前回复的一个帖子《鸿蒙os对于软键盘的隐藏和显示的监听是怎样的》keyboardShow和keyboardHide在当前API 12版本上失效了。

https://developer.huawei.com/consumer/cn/forum/topic/0201154994828277182?fid=0101587866109860105&pid=0304155026235069111

【解决方案】

可以通过keyboardHeightChange监听键盘高度来确定当前键盘是显示还是隐藏

代码示例：

import { window } from ‘@kit.ArkUI’
import { inputMethod } from ‘@kit.IMEKit’

@Entry
@Component
export struct Page13 {
@State isShowKeyboard: boolean = false
aboutToAppear(): void {
try {
window.getLastWindow(getContext(this), (err, data) => {
if (err.code) {
return;
}
let windowClass = data;
try {
windowClass.on(‘keyboardHeightChange’, (data) => {
console.log(当前键盘高度:${data})
if (data > 0) {
this.isShowKeyboard = true
console.log(‘当前键盘已显示’)
} else {
this.isShowKeyboard = false
console.log(‘当前键盘已隐藏’)
}
});
} catch (exception) {
}
});
} catch (exception) {
}
}
build() {
Column() {
Text(当前键盘状态：${<span class="hljs-keyword"><span class="hljs-keyword">this</span></span>.isShowKeyboard ? <span class="hljs-string"><span class="hljs-string">'显示'</span></span> : <span class="hljs-string"><span class="hljs-string">'隐藏'</span></span>})
TextInput().width(‘100%’)
Button(‘收起键盘’).onClick(() => {
inputMethod.getController().stopInputSession()
})
}
.height(<span class="hljs-string"><span class="hljs-string">'100%'</span></span>)
.width(<span class="hljs-string"><span class="hljs-string">'100%'</span></span>)
}
}<button style="position: absolute; padding: 4px 8px 0px; cursor: pointer; top: 8px; right: 8px; font-size: 14px;">复制</button>