我有一个 Android 应用程序,它是一个带有 WebView 的 TabHost.我用它来加载一个特定的 html 文件,该文件的底部有一个文本字段.
I have an Android application that is a TabHost with a WebView. I use it to load a specific html file that has a text field in its bottom part.
当我触摸 html 文本框时,软键盘会弹出,并隐藏文本框,这样我就看不到我输入的内容了.
When I touch the html textfield, the soft keyboard pops up, and hides the textfield, so that I cannot see what I have typed.
这是布局:
<?xml version="1.0" encoding="utf-8"?>
<TabHost xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/tabhost"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/main"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<TabWidget
android:focusableInTouchMode="false"
android:id="@android:id/tabs"
android:layout_width="fill_parent"
android:layout_height="63dp" />
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/layout"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<WebView
android:id="@+id/webview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1" />
</LinearLayout>
</FrameLayout>
</LinearLayout>
</TabHost>
我尝试使用 android:windowSoftInputMode="adjustResize"
配置 AndroidManifest.xml 文件,但没有成功.我还尝试用 ScollView
替换布局中的 FrameLayout
,但这会导致我的 webview
在应用程序运行时无限增大.. 这可能是由于我在页面上运行了一些 javascript.
I have tried to configure the AndroidManifest.xml file with android:windowSoftInputMode="adjustResize"
with no success. I have also tried replacing the FrameLayout
in my layout with ScollView
, but that caused my webview
to increase in size indefinitely when the application is running.. this may be due to some javascript I have running on the page.
我注意到 android 的网络浏览器有一个漂亮的行为 - 在网页中,软键盘弹出后,网页平滑滚动,以便用户可以看到可聚焦的文本字段.我的应用程序中怎么会有这种行为?
I have noticed that the android's web browser has a nifty behavior - in a web page, after the soft keyboard pops up, the web page scrolls smoothly so that the focusable textfield is visible to the user. How can I have this kind of behavior in my application?
我找到了解决这个问题的方法.(大约在我发布问题一周后;我今天才在 stackoverflow 中回答......)
I found a solution for this issue. (about a week after I posted the question; I only got to answering in stackoverflow today...)
我的代码中有一些片段改变了 WebView 的高度(为 TabBar 留出空间).事实证明,当您在 WebView 上调用 setLayoutParams 时,即使您设置了 android:windowSoftInputMode="adjustResize"
,它也不会再改变其高度.
I had pieces in my code that changed the WebView's height (to have room for a TabBar). Turns out that when you invoke setLayoutParams on a WebView, it will no longer change its height even if you have android:windowSoftInputMode="adjustResize"
set.
我通过将 TabBar 添加到 main.xml 布局文件中来规避更改 WebView 高度的需要,初始大小为 0.当我增加 TabBar 的大小时,WebView 的大小会自动减小,并保留 android:windowSoftInputMode="adjustResize"
行为.
I circumvented the need to change the WebView's height by adding the TabBar to the main.xml layout file, with an initial size of 0. When I increase the TabBar's size, the WebView's size decreases automatically, and it preserves the android:windowSoftInputMode="adjustResize"
behavior.
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