我正在尝试在 Eclipse 中为 Android 制作一个应用程序。我在其中使用 webview 的不同 fragment 。但是我想在加载 webview 时显示一个进度条,但我不知道该怎么做我检查了很多教程但没有这样做。让我把大部分 Activity 代码放在这里。
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.app.Fragment;
import android.annotation.SuppressLint;
//import android.graphics.Bitmap;
//import android.widget.ProgressBar;
//import android.app.ProgressDialog;
//import android.app.Activity;
@SuppressLint("SetJavaScriptEnabled")
public class AdminTab1 extends Fragment {
private WebView webView;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
setHasOptionsMenu(true);
View rootView = inflater.inflate(R.layout.admintab1, container, false);
webView = (WebView) rootView.findViewById(R.id.webView1);
webView.setWebViewClient(new WebViewClient());
webView.setScrollbarFadingEnabled(false);
webView.setHorizontalScrollBarEnabled(false);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setUserAgentString("AndroidWebView");
webView.clearCache(true);
webView.loadUrl("http://ww.google.com");
return rootView;
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
inflater.inflate(R.menu.mainmenu, menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.item1:
webView.reload();
break;
case R.id.item2:
webView.goBack();
break;
default:
break;
}
return true;
}
}
最佳答案
你应该试试这个
public class About27Fragment extends Fragment{
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){
View rootView = inflater.inflate(R.layout.about_27, container, false);
final WebView webView = (WebView) rootView.findViewById(R.id.webView_about27);
final ProgressDialog dialog = ProgressDialog.show(getActivity(), "", "Please wait, Loading Page...", true);
webView.getSettings().setJavaScriptEnabled(true);
webView.getSettings().setLoadWithOverviewMode(true);
webView.getSettings().setUseWideViewPort(true);
webView.getSettings().setBuiltInZoomControls(true);
webView.setWebViewClient(new WebViewClient() {
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon){
dialog.show();
}
@Override
public void onPageFinished(WebView view, String url){
dialog.dismiss();
String webUrl = webView.getUrl();
}
});
webView.loadUrl("https://www.google.com.mx");
return rootView;
}
关于java - fragment View 中 webview 的进度条,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/21134333/