illegalstateexception

问题 I am working my way through a Spring tutorial, I have the following code, using Java based configuration, that isn't working. In my classpath I have the Spring 3.1 jars, as well as asm-4.0.jar and cglib-2.2.2.jar. MainApp.java: package com.tutorialspoint; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.*; public class MainApp { public static void main(String[] args) { ApplicationContext ctx = new AnnotationConfigApplicationContext(

问题 I notice that quite a number of my app users are affected by this exception via Crashlytics: Non-fatal Exception: java.lang.IllegalStateException at android.media.MediaPlayer._stop(MediaPlayer.java) at android.media.MediaPlayer.stop + 1437(MediaPlayer.java:1437) at com.allattentionhere.autoplayvideos.AAH_CustomVideoView.onSurfaceTextureDestroyed + 256(AAH_CustomVideoView.java:256) at android.view.TextureView.releaseSurfaceTexture + 249(TextureView.java:249) at android.view.TextureView

问题 Error Unable to start activity ComponentInfo: java.lang.IllegalStateException: System services not available to Activities before onCreate() I´m experimenting with seperating the code and the use of a helper class. (Created different Java files) What I did is created an Activity Java file that is registred in the Manifest and I didn´t register this following class (Java file): import android.app.Activity; import android.location.LocationManager; import android.net.ConnectivityManager; ....

问题 I'm getting the above error when calling finish() and then re-opening the app. Here's the code that manages navigation onBackPressed(). android.app.FragmentManager settingsFragmentManager = getFragmentManager(); FragmentManager fragmentManager = getSupportFragmentManager(); if (settingsFragmentManager.getBackStackEntryCount() > 0) settingsFragmentManager.popBackStackImmediate(); else if (fragmentManager.getBackStackEntryCount() > 0) fragmentManager.popBackStackImmediate(); if (fragmentManager

问题 I wanted to implement a Google signin activity which on success opens my next activity. If the user logs out from the next activity, I want to go back to Google signin activity and signout. However when I call signout in onActivityResult I get the following exception Caused by: java.lang.IllegalStateException: GoogleApiClient is not connected yet. Here's the relevant code public class LoginActivity extends AppCompatActivity implements GoogleApiClient.OnConnectionFailedListener, View

问题 Since I have uploaded my app I have received many java.lang.NullPointerException crash reports. I am struggling to understand the problem as it does not crash on the emulators or the physical devices i have personally tested. Below is an example of one of the reports: java.lang.IllegalStateException: Could not execute method of the activity at android.view.View$1.onClick(View.java:2072) at android.view.View.performClick(View.java:2408) at android.view.View$PerformClick.run(View.java:8817) at

问题 I have been trying to make an app that opens a listview fragment (GradeListFragment) from an activity (GradeListActivity). When I click an item, it opens a new fragment (GradeDetailFragment). If in portrait mode, it replaces the list fragment in fragment1. If in landscape, it replaces the empty fragment2. My problem is that the app crashes when I switch orientation. Switching from both perspectives gets the same error. 04-09 12:10:52.240: E/AndroidRuntime(2221): FATAL EXCEPTION: main 04-09 12

问题 In runOnUiThread() of an Activity, I'm trying to show a ProgressDialog. FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction(); ProgressDialogFragment mProgressDialogFragment = new ProgressDialogFragment(); mProgressDialogFragment.show(fragmentTransaction, TAG); Here ProgressDialogFragment extends DialogFragment . I have tested this in many devices and didn't get any crash. But whereas in Asus, I'm constantly getting the below crash whenever I show the dialog

问题 I have created a spring boot wrapper class as follows: package package.for; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.springframework.context.annotation.ComponentScan; @ComponentScan @EnableAutoConfiguration public class AppBooter { public static void main(String args[]){ SpringApplication.run("path/to/context.xml", args); System.out.println("============ done"); do{ }while(true); } } context.xml

问题 I'm using PullToRefresh library in two activities of my application. I know, this library is deprecated, but it very useful and it can handle refresh genstures not only from top but also bottom. But it have a problem: rarely application crash with this log: java.lang.IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the UI thread. [in ListView