keyboard events - rn

keyboard.js

//安卓不支持willShow方法,统一在didShow中处理
RCTDeviceEventEmitter.addListener(Platform.OS === 'ios' ? 'keyboardWillShow' : 'keyboardDidShow', evt=> {

    if (!writeStore.isLoggingin) {

        dispatcher.dispatch({
            namespace: 'write',
            action: 'keyboardShow',
            data: {
                keyboardHeight: evt.endCoordinates.height
            }
        });
    }
}),

//针对搜狗输入法等第三方键盘做的兼容
//这些输入法会多次触发keyboardWillShow事件,造成定位错误
//但是他们的keyboardDidShow事件都只触发一次,因此在didShow事件中重新计算Y
RCTDeviceEventEmitter.addListener('keyboardDidShow', ()=> {

    if (!writeStore.isLoggingin) {

        writeStore.configureTargetY('focus')
            .then(function (targetY) {
                writeStore.emit('write.setScrollTop', targetY);
            });
    }
}),

//安卓不支持willHide方法,统一在didHide中处理
RCTDeviceEventEmitter.addListener(Platform.OS === 'ios' ? 'keyboardWillHide' : 'keyboardDidHide', ()=> {

    if (!writeStore.isLoggingin) {

        dispatcher.dispatch({
            namespace: 'write',
            action: 'keyboardHide'
        });
    }
})