放大/缩小在web视图的android [英] Zoom in/out in webview android
本文介绍了放大/缩小在web视图的android的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我已经使用下列$ C $下建于放大缩小控制
Hi i have used following code for built in zoom in zoom out control
mWebView = (WebView) findViewById(R.id.webView1);
mWebView.getSettings().setBuiltInZoomControls(true);
mWebView.getSettings().setSupportZoom(true);
也是我用code像下面
also i have used code like below
mWebView.setWebViewClient(new MyWebViewClient());
mWebView.loadUrl(sabNZBurl);
mWebView.getSettings().setDomStorageEnabled(true);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setBuiltInZoomControls(true);
mWebView.getSettings().setSupportZoom(true);
backwardBtn = (Button) findViewById(R.id.btnBackWard);
cancelBtn = (Button) findViewById(R.id.btnCancel);
refreshBtn = (Button) findViewById(R.id.btnRefresh);
forwardBtn = (Button) findViewById(R.id.btnForward);
backwardBtn.setOnClickListener(this);
cancelBtn.setOnClickListener(this);
refreshBtn.setOnClickListener(this);
forwardBtn.setOnClickListener(this);
final class MyWebViewClient extends WebViewClient {
@Override
// Show in WebView instead of Browser
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
@Override
public void onLoadResource(WebView view, String url) {
super.onLoadResource(view, url);
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
PD.dismiss();
view.getSettings().setBuiltInZoomControls(true);
view.getSettings().setSupportZoom(true);
}
}
但还是web视图不中内置了放大缩小控制任何机构可以帮助我解决这个问题。
but still webview does not come with built in zoom in zoom out control can any body help me to solve this problem
推荐答案
你有一个视meta标签在网页中显示?如果是的话,如果它包含用户可升级=无
则是正常的,在HTML本身禁用变焦。只需编辑标记是这样的:
Do you have a viewport meta tag in web page to display? If yes and if it contains user-scalable="no"
then it is normal, the HTML itself disables zoom. Simply edit the tag like this:
<meta name="viewport" content="initial-scale=1.0, user-scalable=yes, width=device-width" />
这篇关于放大/缩小在web视图的android的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文