app crash when launch using ota_update

[walterFeng]

android app crash when using ota_update

✗ flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel dev, 1.22.0-9.0.pre, on Mac OS X 10.15.6 19G2021, locale zh-Hans-CN)

[!] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
! Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses
[✓] Xcode - develop for iOS and macOS (Xcode 11.6)
[✓] Android Studio (version 3.5)
[✓] Connected device (1 available)

! Doctor found issues in 1 category.

crash log:

2020-09-02 17:36:25.818 13408-13408/cc.yourdream.sunmi E/CrashReport: sys default last handle start!
2020-09-02 17:36:25.818 13408-13408/cc.yourdream.sunmi E/AndroidRuntime: FATAL EXCEPTION: main
    Process: cc.yourdream.sunmi, PID: 13408
    java.lang.RuntimeException: Unable to start activity ComponentInfo{cc.yourdream.sunmi/cc.yourdream.sunmi.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Looper android.content.Context.getMainLooper()' on a null object reference
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2665)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2726)
        at android.app.ActivityThread.-wrap12(ActivityThread.java)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1477)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:154)
        at android.app.ActivityThread.main(ActivityThread.java:6119)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
     Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.Looper android.content.Context.getMainLooper()' on a null object reference
        at sk.fourq.otaupdate.OtaUpdatePlugin.<init>(OtaUpdatePlugin.java:74)
        at sk.fourq.otaupdate.OtaUpdatePlugin.registerWith(OtaUpdatePlugin.java:96)
        at io.flutter.plugins.GeneratedPluginRegistrant.registerWith(GeneratedPluginRegistrant.java:19)
        at cc.yourdream.sunmi.MainActivity.configureFlutterEngine(MainActivity.kt:28)
        at cc.yourdream.sunmi.MainActivity.onCreate(MainActivity.kt:41)
        at android.app.Activity.performCreate(Activity.java:6679)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2618)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2726) 
        at android.app.ActivityThread.-wrap12(ActivityThread.java) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1477) 
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:154) 
        at android.app.ActivityThread.main(ActivityThread.java:6119) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776) 

Generated Registrant file:

/**
 * Generated file. Do not edit.
 * This file is generated by the Flutter tool based on the
 * plugins that support the Android platform.
 */
@Keep
public final class GeneratedPluginRegistrant {
  public static void registerWith(@NonNull FlutterEngine flutterEngine) {
    ShimPluginRegistry shimPluginRegistry = new ShimPluginRegistry(flutterEngine);
    flutterEngine.getPlugins().add(new io.flutter.plugins.connectivity.ConnectivityPlugin());
      sk.fourq.otaupdate.OtaUpdatePlugin.registerWith(shimPluginRegistry.registrarFor("sk.fourq.otaupdate.OtaUpdatePlugin"));
    flutterEngine.getPlugins().add(new io.flutter.plugins.packageinfo.PackageInfoPlugin());
    flutterEngine.getPlugins().add(new io.flutter.plugins.pathprovider.PathProviderPlugin());
    flutterEngine.getPlugins().add(new io.flutter.plugins.sharedpreferences.SharedPreferencesPlugin());
  }
}

Any suggestions to me ? Look forward to your reply.

[iperfectapp]

Same problem!

[MartinHlavna]

Hi, how do you run the Application? Looks like android context is null for some reason. (registrar.getActivity() or registrar.getContext()).

[MartinHlavna]

Closing because of no activity. Feel free to reopen if you can provide more info.