确保首先调用FirebaseApp.initializeApp(Context).此过程com.example.login中未初始化默认FirebaseApp [英] Make sure to call FirebaseApp.initializeApp(Context) first. Default FirebaseApp is not initialized in this process com.example.login
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问题描述
我正在使用kotlin制作Firebase身份验证注册页面,并且在运行应用程序时出现运行时错误. 请参阅第3和第14行,我不知道出了什么问题.
I am making a Firebase Authentication Signup Page using kotlin and there is a run time error while I am running the app. Please See the 3rd and 14th line I can't figure out what is the problem.
我没有附加主要代码,如果需要附加主要代码,请通知我.
I didnt attach the main code please inform me if the codes are necessary to attach.
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.login, PID: 7505
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.login/com.example.login.Register}: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.example.login. Make sure to call FirebaseApp.initializeApp(Context) first.
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2567)
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.IllegalStateException: Default FirebaseApp is not initialized in this process com.example.login. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(SourceFile:218)
at com.google.firebase.auth.FirebaseAuth.getInstance(Unknown Source)
at com.example.login.Register.<init>(Register.kt:15)
at java.lang.Class.newInstance(Native Method)
at android.app.Instrumentation.newActivity(Instrumentation.java:1078)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2557)
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)
Application terminated.
实施
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
implementation 'com.google.firebase:firebase-auth:16.0.3'
implementation 'com.google.firebase:firebase-database:16.0.1'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
}
推荐答案
谢谢大家,但我自己解决了.我所做的就是
Thanks everyone but I solved it myself. All I did is
classpath 'com.google.gms:google-services:4.1.0'
到
classpath 'com.google.gms:google-services:4.2.0'
对我有用!
这篇关于确保首先调用FirebaseApp.initializeApp(Context).此过程com.example.login中未初始化默认FirebaseApp的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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