[英]Android showing progress bar for webview in android
In my apps loading webpage in Web view till that webpage loads need to show progress bar after that progress bar should go..i am using an activity....reply me soon waiting for your answer 在我的应用程序加载网页的Web视图,直到该网页加载需要显示进度条后,进度条应该..我正在使用一个活动....回复我很快等待你的答案
04-26 18:02:36.791: D/AndroidRuntime(25114): Shutting down VM
04-26 18:02:36.791: W/dalvikvm(25114): threadid=1: thread exiting with uncaught exception (group=0x41250438)
04-26 18:02:36.811: E/AndroidRuntime(25114): FATAL EXCEPTION: main
04-26 18:02:36.811: E/AndroidRuntime(25114): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{in.androidapplicationdotin.tneb/in.androidapplicationdotin.tneb.Onlinepayment}: java.lang.NullPointerException
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2038)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2139)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.ActivityThread.access$700(ActivityThread.java:143)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1241)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.os.Handler.dispatchMessage(Handler.java:99)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.os.Looper.loop(Looper.java:137)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.ActivityThread.main(ActivityThread.java:4960)
04-26 18:02:36.811: E/AndroidRuntime(25114): at java.lang.reflect.Method.invokeNative(Native Method)
04-26 18:02:36.811: E/AndroidRuntime(25114): at java.lang.reflect.Method.invoke(Method.java:511)
04-26 18:02:36.811: E/AndroidRuntime(25114): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038)
04-26 18:02:36.811: E/AndroidRuntime(25114): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805)
04-26 18:02:36.811: E/AndroidRuntime(25114): at dalvik.system.NativeStart.main(Native Method)
04-26 18:02:36.811: E/AndroidRuntime(25114): Caused by: java.lang.NullPointerException
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.content.ContextWrapper.getApplicationInfo(ContextWrapper.java:143)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.view.ContextThemeWrapper.getTheme(ContextThemeWrapper.java:65)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.AlertDialog.resolveDialogTheme(AlertDialog.java:142)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.AlertDialog.<init>(AlertDialog.java:98)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.ProgressDialog.<init>(ProgressDialog.java:77)
04-26 18:02:36.811: E/AndroidRuntime(25114): at in.androidapplicationdotin.tneb.Onlinepayment.<init>(Onlinepayment.java:24)
04-26 18:02:36.811: E/AndroidRuntime(25114): at java.lang.Class.newInstanceImpl(Native Method)
04-26 18:02:36.811: E/AndroidRuntime(25114): at java.lang.Class.newInstance(Class.java:1319)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.Instrumentation.newActivity(Instrumentation.java:1068)
04-26 18:02:36.811: E/AndroidRuntime(25114): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2029)
04-26 18:02:36.811: E/AndroidRuntime(25114): ... 11 more
04-26 18:02:42.111: I/GATE(25114): <GATE-M>DEV_ACTION_COMPLETED</GATE-M>
04-26 18:03:30.431: I/Ads(25114): AdLoader timed out after 60000ms while loading the HTML.
04-26 18:03:30.571: I/Ads(25114): AdLoader timed out after 60000ms while loading the HTML.
04-26 18:05:44.491: I/Process(25114): Sending signal. PID: 25114 SIG: 9
you can try this... 你可以尝试这个......
private ProgressDialog dialog = new ProgressDialog(WebActivity.this);
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.webview);
webView = (WebView) findViewById(R.id.webView1);
Bundle extras = getIntent().getExtras();
String url=extras.getString("adres");
webView.setWebViewClient(new WebViewClient() {
@Override
public void onPageFinished(WebView view, String url) {
if (dialog.isShowing()) {
dialog.dismiss();
}
}
});
dialog.setMessage("Loading..Please wait.");
dialog.setCanceledOnTouchOutside(false);
dialog.show();
webView.loadUrl(url);
WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);
}
Try below code - 试试以下代码 -
put this code in onCreate()
Method 将此代码放在onCreate()
方法中
webView.setWebViewClient(new myWebClient());
webView.getSettings().setJavaScriptEnabled(true);
webView.loadUrl("Your web url");
public class myWebClient extends WebViewClient
{
private ProgressDialog myProgressDialog;
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
// TODO Auto-generated method stub
super.onPageStarted(view, url, favicon);
myProgressDialog = new ProgressDialog(YourActivity.this);
myProgressDialog.setCancelable(false);
myProgressDialog.show();
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
// TODO Auto-generated method stub
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
// TODO Auto-generated method stub
super.onPageFinished(view, url);
try{
if (myProgressDialog != null)
myProgressDialog.dismiss();
}
catch(Exception e)
{
e.printStackTrace();
}
}
@Override
public void doUpdateVisitedHistory(WebView view, String url,
boolean isReload) {
// TODO Auto-generated method stub
super.doUpdateVisitedHistory(view, url, isReload);
}
@Override
public void onLoadResource(WebView view, String url) {
// TODO Auto-generated method stub
super.onLoadResource(view, url);
}
}
Hope this code helps you!!!! 希望这段代码可以帮助你!!!!
If it is not working please let me know i will try to help you more.. 如果它不工作,请告诉我,我会尽力帮助你...
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