When I start my app, it run fine without error but after run app is crashed everytime.and show logcat Messages
com.example.weatherapp, PID: 15301 java.lang.RuntimeException: Cannot create an instance of class com.example.weatherapp.Presentation.WeatherViewModel at androidx.lifecycle.ViewModelProvider$NewInstanceFactory.create(ViewModelProvider.kt:204) at androidx.lifecycle.ViewModelProvider$AndroidViewModelFactory.create(ViewModelProvider.kt:322) at androidx.lifecycle.ViewModelProvider$AndroidViewModelFactory.create(ViewModelProvider.kt:278) at androidx.lifecycle.SavedStateViewModelFactory.create(SavedStateViewModelFactory.kt:128) at androidx.lifecycle.ViewModelProvider.get(ViewModelProvider.kt:187) at androidx.lifecycle.ViewModelProvider.get(ViewModelProvider.kt:153) at androidx.lifecycle.ViewModelLazy.getValue(ViewModelLazy.kt:53) at androidx.lifecycle.ViewModelLazy.getValue(ViewModelLazy.kt:35) at com.example.weatherapp.MainActivity.getViewModel(MainActivity.kt:30) at com.example.weatherapp.MainActivity.access$getViewModel(MainActivity.kt:28) at com.example.weatherapp.MainActivity$onCreate$2$1.invoke(MainActivity.kt:58) at com.example.weatherapp.MainActivity$onCreate$2$1.invoke(MainActivity.kt:48) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34) at androidx.compose.material.MaterialTheme_androidKt.PlatformMaterialTheme(MaterialTheme.android.kt:23) at androidx.compose.material.MaterialThemeKt$MaterialTheme$1$1.invoke(MaterialTheme.kt:82) at androidx.compose.material.MaterialThemeKt$MaterialTheme$1$1.invoke(MaterialTheme.kt:81) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34) at androidx.compose.runtime.CompositionLocalKt.CompositionLocalProvider(CompositionLocal.kt:228) at androidx.compose.material.TextKt.ProvideTextStyle(Text.kt:265) at androidx.compose.material.MaterialThemeKt$MaterialTheme$1.invoke(MaterialTheme.kt:81) at androidx.compose.material.MaterialThemeKt$MaterialTheme$1.invoke(MaterialTheme.kt:80) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34) at androidx.compose.runtime.CompositionLocalKt.CompositionLocalProvider(CompositionLocal.kt:228) at androidx.compose.material.MaterialThemeKt.MaterialTheme(MaterialTheme.kt:72) at com.example.weatherapp.ui.theme.ThemeKt.WeatherAppTheme(Theme.kt:38) at com.example.weatherapp.MainActivity$onCreate$2.invoke(MainActivity.kt:48) at com.example.weatherapp.MainActivity$onCreate$2.invoke(MainActivity.kt:47) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34) at androidx.compose.ui.platform.ComposeView.Content(ComposeView.android.kt:402) at androidx.compose.ui.platform.AbstractComposeView$ensureCompositionCreated$1.invoke(ComposeView.android.kt:248) at androidx.compose.ui.platform.AbstractComposeView$ensureCompositionCreated$1.invoke(ComposeView.android.kt:247) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34) at androidx.compose.runtime.CompositionLocalKt.CompositionLocalProvider(CompositionLocal.kt:228) at androidx.compose.ui.platform.CompositionLocalsKt.ProvideCommonCompositionLocals(CompositionLocals.kt:177) at androidx.compose.ui.platform.AndroidCompositionLocals_androidKt$ProvideAndroidCompositionLocals$3.invoke(AndroidCompositionLocals.android.kt:123) at androidx.compose.ui.platform.AndroidCompositionLocals_androidKt$ProvideAndroidCompositionLocals$3.invoke(AndroidCompositionLocals.android.kt:122) 2022-07-21 14:23:45.094 15301-15301/com.example.weatherapp E/AndroidRuntime: at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34) at androidx.compose.runtime.CompositionLocalKt.CompositionLocalProvider(CompositionLocal.kt:228) at androidx.compose.ui.platform.AndroidCompositionLocals_androidKt.ProvideAndroidCompositionLocals(AndroidCompositionLocals.android.kt:114) at androidx.compose.ui.platform.WrappedComposition$setContent$1$1$3.invoke(Wrapper.android.kt:157) at androidx.compose.ui.platform.WrappedComposition$setContent$1$1$3.invoke(Wrapper.android.kt:156) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34) at androidx.compose.runtime.CompositionLocalKt.CompositionLocalProvider(CompositionLocal.kt:228) at androidx.compose.ui.platform.WrappedComposition$setContent$1$1.invoke(Wrapper.android.kt:156) at androidx.compose.ui.platform.WrappedComposition$setContent$1$1.invoke(Wrapper.android.kt:140) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107) at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34) at androidx.compose.runtime.ActualJvm_jvmKt.invokeComposable(ActualJvm.jvm.kt:74) at androidx.compose.runtime.ComposerImpl$doCompose$2$5.invoke(Composer.kt:3193) at androidx.compose.runtime.ComposerImpl$doCompose$2$5.invoke(Composer.kt:3183) at androidx.compose.runtime.SnapshotStateKt__DerivedStateKt.observeDerivedStateRecalculations(DerivedState.kt:252) at androidx.compose.runtime.SnapshotStateKt.observeDerivedStateRecalculations(Unknown Source:1) at androidx.compose.runtime.ComposerImpl.doCompose(Composer.kt:3183) at androidx.compose.runtime.ComposerImpl.composeContent$runtime_release(Composer.kt:3119) at androidx.compose.runtime.CompositionImpl.composeContent(Composition.kt:578) at androidx.compose.runtime.Recomposer.composeInitial$runtime_release(Recomposer.kt:811) at androidx.compose.runtime.CompositionImpl.setContent(Composition.kt:513) at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:140) at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:131) at androidx.compose.ui.platform.AndroidComposeView.setOnViewTreeOwnersAvailable(AndroidComposeView.android.kt:1052) at androidx.compose.ui.platform.WrappedComposition.setContent(Wrapper.android.kt:131) at androidx.compose.ui.platform.WrappedComposition.onStateChanged(Wrapper.android.kt:182) at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.java:360) at androidx.lifecycle.LifecycleRegistry.addObserver(LifecycleRegistry.java:202) at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:138) at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:131) at androidx.compose.ui.platform.AndroidComposeView.onAttachedToWindow(AndroidComposeView.android.kt:1139) at android.view.View.dispatchAttachedToWindow(View.java:20812) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3490) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497) at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2675) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:2179) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:8787) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1037) at android.view.Choreographer.doCallbacks(Choreographer.java:845) at android.view.Choreographer.doFrame(Choreographer.java:780) 2022-07-21 14:23:45.095 15301-15301/com.example.weatherapp E/AndroidRuntime: at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1022) at android.os.Handler.handleCallback(Handler.java:938) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loopOnce(Looper.java:201) at android.os.Looper.loop(Looper.java:288) at android.app.ActivityThread.main(ActivityThread.java:7842) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1003) Caused by: java.lang.InstantiationException: java.lang.Class<com.example.weatherapp.Presentation.WeatherViewModel> has no zero argument constructor at java.lang.Class.newInstance(Native Method) at androidx.lifecycle.ViewModelProvider$NewInstanceFactory.create(ViewModelProvider.kt:202) ... 94 more
I can't get rid of that error for like 7 days now... :/ I know that I posted too much code, but I really don't know how to solve it...
Thanks for getting the time to answer my question
