Android Webview的底部有额外的空白 [英] Android Webview has extra white space at the bottom
问题描述
我正在将以下方法与HTML结合使用，以将本地图像加载到Webview中
I'm using the following method with HTML to load a local image into webview
void loadingImage(WebView mWebView){
mWebView.getSettings().setSupportZoom(false);
mWebView.getSettings().setDisplayZoomControls(false);
String mHead="<html><head><style type='text/css'>body{margin:auto auto;text-align:center;} img{width:100%25;} </style></head>";
String mBody = "<body> <img src='my_image.jpg'/> </body></html>";
mWebView.loadDataWithBaseURL("file:///android_res/drawable/", mHead + mBody, "text/html", "UTF-8", null);
mWebView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
}
还有XML部分
<WebView
android:id="@+id/my_webview"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
但是使用这种方法，如果手机的方向是纵向，则向下滚动后在底部会有一个额外的空白.
But using this method I'm getting an extra white space at the bottom after scrolling down if the phone's orientation is portrait.
图像的宽度是高度的1.5倍，据我了解，WebView加载图像，并通过增加高度使内容变为正方形(宽度和高度相等)，但只是通过向其添加额外的空白来增加它高度.
The image's width 1,5 times bigger than it's height, so as I understand WebView loads the image and by increasing height makes the content square(width and height equal) but increasing it just by adding an extra white space to the height.
但是，如果手机的方向为横向，则可以正常工作，而不会添加任何空白.
But if phone's orientation is landscape, it works without any problem, without adding any white space.
因此，请帮助我了解问题的真正原因是什么以及如何解决. 预先谢谢你.
So please help me to understand what is the actual reason of the problem and how to solve it. Thank you in advance.
推荐答案
使您的WebView高度wrap_content:
<WebView
android:id="@+id/web_view"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
即使在人像模式下，它也对我有效:)
It works for me even in portrait mode :)
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