FirebaseApp初始化时Firebase存储崩溃? [英] Firebase Storage crash on FirebaseApp initialization?

问题描述

我正在研究Android中的Firebase存储.初始化FirebaseStorage参考时遇到问题.

I am working on Firebase Storage in Android. I am facing issue while initializing the FirebaseStorage reference.

MyCode:

MainActivity.java

public class MainActivity extends AppCompatActivity {

private StorageReference mStorage;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    FirebaseStorage storage = FirebaseStorage.getInstance();  // App crash in this line
    mStorage = storage.getReferenceFromUrl("my firebase storage url");

} }

应用程序类

public class FirebaseApplication extends Application {

@Override
public void onCreate() {
    super.onCreate();

    Firebase.setAndroidContext(this);
    Firebase.getDefaultConfig().setPersistenceEnabled(true);
}

@Override
protected void attachBaseContext(Context base) {
    super.attachBaseContext(base);
    MultiDex.install(this);
}}

LogCat

 Caused by: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.sample.firebase.upload. Make sure to call FirebaseApp.initializeApp(Context) first.
                                                                            at com.google.firebase.FirebaseApp.getInstance(Unknown Source)
                                                                            at com.google.firebase.storage.FirebaseStorage.getInstance(Unknown Source)
                                                                            at com.sample.firebase.upload.MainActivity.onCreate(MainActivity.java:34)
                                                                            at android.app.Activity.performCreate(Activity.java:6100)
                                                                            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1112)
                                                                            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2468)
                                                                            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2601) 
                                                                            at android.app.ActivityThread.access$800(ActivityThread.java:178) 
                                                                            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1470) 
                                                                            at android.os.Handler.dispatchMessage(Handler.java:111) 
                                                                            at android.os.Looper.loop(Looper.java:194) 
                                                                            at android.app.ActivityThread.main(ActivityThread.java:5637) 
                                                                            at java.lang.reflect.Method.invoke(Native Method) 
                                                                            at java.lang.reflect.Method.invoke(Method.java:372) 
                                                                            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:960) 
                                                                            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755) 

应用程序在MainActivity中崩溃.日志说，Firebase尚未在应用程序中初始化，但我已经在应用程序类中进行了初始化.

The application is getting crashed in the MainActivity. Log says , Firebase is not initialized in the app but i have already initialize in the application class.

请帮帮我，给我一些解决方法.

Please help me out , suggest me some solution.

推荐答案

请确保已在Gradle(应用程序级别)中添加了依赖项compile 'com.google.firebase:firebase-storage:11.0.4'

Please make sure that you've added the dependency compile 'com.google.firebase:firebase-storage:11.0.4' in Gradle (app level)

如果仍然如此，您将面临同样的问题.

If still, you face the same issue.

错误:com.google.firebase.storage.FirebaseStorage.getInstance(未知来源)

Error: com.google.firebase.storage.FirebaseStorage.getInstance(Unknown Source)

您可能正在使用Firebase身份验证.通过使 firebase-auth 和 firebase-storage 的版本相同可以解决该问题.

You may be using the Firebase Authentication. The issue will be resolved by making the version of firebase-auth and firebase-storage same.

compile 'com.google.firebase:firebase-storage:11.0.4'
compile 'com.google.firebase:firebase-auth:11.0.4'

还请确保已在Java文件中导入语句

Please also make sure you've import statement in Java file

import com.google.firebase.storage.FirebaseStorage;

这篇关于FirebaseApp初始化时Firebase存储崩溃?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！