从隐藏键盘调整大小后，GridLayout不会重置 [英] GridLayout doesn't reset after size adjustment from hiding keyboard

问题描述

我的Android片段正在使用支持 GridLayout 显示等距视图(第一个图像).在清单中，我正在更改软键盘的显示方式，以便在我点击EditText并显示键盘时调整GridLayout的大小(第二张图片):

My Android fragment is using the support GridLayout to display equally-spaced views (first image). In my manifest I'm changing how the soft keyboard displays so it resizes the GridLayout when I tap on the EditText and the keyboard is displayed (second image):

android:windowSoftInputMode="adjustResize|stateHidden"

隐藏软键盘后，GridLayout不会重置回其初始大小(最后一张图像).

When the soft keyboard is hidden, the GridLayout does not reset back to its initial size (last image).

在第一个屏幕截图中，关于如何使GridLayout返回其原始配置的任何想法吗?我知道如果我从清单中删除了android:windowSoftInputMode，问题就消失了，但这不是我可以在创建此演示的另一个应用程序中进行的更改.

Any idea on how to get the GridLayout to go back to its original configuration in the first screenshot? I know if I remove the android:windowSoftInputMode from the manifest the problem goes away, but that is not something I can change in another app from which this demo is created.

这是片段的布局文件:

<android.support.v7.widget.GridLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:grid="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    grid:columnCount="2"
    grid:rowCount="3"
    grid:orientation="horizontal">

    <EditText
        android:layout_width="100sp"
        android:layout_height="80sp"
        grid:layout_gravity="center"
        grid:layout_columnWeight="1"
        grid:layout_rowWeight="1"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="80sp"
        grid:layout_gravity="center"
        grid:layout_columnWeight="1"
        grid:layout_rowWeight="1"
        android:text="B"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="80sp"
        grid:layout_gravity="center"
        grid:layout_columnWeight="1"
        grid:layout_rowWeight="1"
        android:text="C"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="80sp"
        grid:layout_gravity="center"
        grid:layout_columnWeight="1"
        grid:layout_rowWeight="1"
        android:text="D"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="80sp"
        grid:layout_gravity="center"
        grid:layout_columnWeight="1"
        grid:layout_rowWeight="1"
        android:text="E"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="80sp"
        grid:layout_gravity="center"
        grid:layout_columnWeight="1"
        grid:layout_rowWeight="1"
        android:text="F"/>

</android.support.v7.widget.GridLayout>

推荐答案

显然在GridLayout.Axis.layout()中有一个错误(在onLayout()中称为)

Apparently there is a bug in GridLayout.Axis.layout() (which is called in onLayout())

如果确实需要使用GridLayout调用requestLayout来触发其私有方法invalidateStructure()似乎可以解决此问题.

If you indeed need to use GridLayout calling requestLayout to fire its private method invalidateStructure() seems to address the problem.

class FixedGridLayout : GridLayout {
    constructor(context: Context, attrs: AttributeSet?, defStyle: Int) : super(context, attrs, defStyle)
    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
    constructor(context: Context) : super(context)

    override fun onLayout(changed: Boolean, left: Int, top: Int, right: Int, bottom: Int) {
        super.onLayout(changed, left, top, right, bottom)
        if (changed) {
            post {
                requestLayout()
            }
        }
    }
}

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