progressdialog

问题 i have following Scenario: Im showing a ProgressDialog in the UI-Thread and on the same time doing a Networkdiscovery in a Backgroundthread. This works just fine. The Dialog has a Stop -Button, so the User can decide if he wants to stop the discovery. Now here is my Problem: To stop the discovery some heavy workload-process is also done in a Backgroundthread so the Progresswheel in the UI-Thread does not hang up. In theory the Progresswheel should continue spinning until the Backgroundthread

问题 I'm using the custom progress dialog given here, which as the style shown below. The spinning wheel is centered, and I can't find how to set a custom position to it. Anybody can help? <?xml version="1.0" encoding="utf-8"?> <resources> <style name="NewDialog"> <item name="android:windowFrame">@null</item> <item name="android:windowBackground">@android:color/transparent</item> <item name="android:windowIsFloating">true</item> <item name="android:windowContentOverlay">@null</item> <item name=

问题 I have been working for so long but still stucked. The game has a TTS and it appears to require a long time to load (or actually is the code for the TTS correct??), so in view of the long waiting time (about 3 second when testing on real device), I would like to put a Progress Dialog (PD). The PD has a looping circle. I code the TTS part as in the following code: AsyncTask: private class MainFrameTask extends AsyncTask<String,Integer,String> implements OnInitListener,

问题 I have the following code, where I start a ring dialog before I make a long running task, done in RxJava2. The problem is that the dialog isn't showing up and I don't think I'm blocking the main UI thread. fab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { if (ringProgressDialog != null) { if (ringProgressDialog.isShowing()) { ringProgressDialog.dismiss(); } } ringProgressDialog = ProgressDialog.show(SendConversationsActivity.this, getResources()

问题 I have an app that creates a SQLite database ( with 24 records ), I am noticing that when I load the app for the first time it takes it a few to actually load the main view, and I assume it is because the app is creating the database for the first time. Here is what it's doing. 1.) Shows Splash Screen 2.) Blank screen - not programmed in or in any layout, this is where it's creating the database, again I assume 3.) Shows Main layout - goal I would love to figure out the best way to display a

问题 I am trying to create a ProgressDialog as seen in just about every app on the Play Store now. I am using the code: getActivity().runOnUiThread(new Runnable() { @Override public void run() { ProgressDialog dialog; dialog = ProgressDialog.show(getActivity(), "title", "message", true, false); } }); I have also tried with just the 2 lines inside the Runnable (without creating a thread) from inside a fragment and no matter what I do I can't see the spinner in the ProgressDialog . I'm attaching a

问题 I have a fragment with some buttons in it, when a button is clicked it should show a ProgressDialog, load an array of bitmaps and show it in the fragment in a gallery, dismiss ProgressDialog. But the ProgressDialog doesn't show immediately, it take something like 1 or 2 seconds and it just blink at the moment when my gallery is show. Im doing this after click: try{ progress = ProgressDialog.show(activity, "", "Loading images", true); //load images //show gallery }catch(){ //... }finally{

问题 Have the following AsyncTask code: private class checkChangesTask extends AsyncTask<String, Void, String> { protected ProgressDialog mProgressDialog2; protected String _url = "", _idautor="", _idbook=""; @Override protected void onPreExecute() { super.onPreExecute(); this.mProgressDialog2 = new ProgressDialog(MainActivity.this); this.mProgressDialog2.setMessage("Check changes ..."); this.mProgressDialog2.setIndeterminate(false); this.mProgressDialog2.setCanceledOnTouchOutside(false); this

问题 I got an error on marshmallow device like below: but below marshmallow OS progress dialog working fine. Error As follow: E/AndroidRuntime: FATAL EXCEPTION: main java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference at com.android.internal.app.AlertController.setupView(AlertController.java:489) at com.android.internal.app.AlertController.installContent(AlertController.java:234) at android.app

问题 I am having problems getting the ProgressDialog wheel spinning. Here is my code: final ProgressDialog dialog = ProgressDialog.show(this, "", "Loading...", true, false); Thread thread=new Thread(new Runnable(){ public void run(){ runOnUiThread(new Runnable(){ @Override public void run() { if(dialog.isShowing()) // starts a foreground service, does database stuff, // sets up a spinner with values dialog.dismiss(); } }); } }); thread.start(); Everything goes as planned, I get the ProgressDialog,