Android FirebaseApp初始化时Firebase存储崩溃?
我正在安卓系统中开发Firebase存储。初始化FirebaseStorage引用时遇到问题 霉菌代码: MainActivity.javaAndroid FirebaseApp初始化时Firebase存储崩溃?,android,firebase,firebase-storage,Android,Firebase,Firebase Storage,我正在安卓系统中开发Firebase存储。初始化FirebaseStorage引用时遇到问题 霉菌代码: MainActivity.java public class MainActivity extends AppCompatActivity { private StorageReference mStorage; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedI
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)
应用程序正在MainActivity中崩溃。日志显示,Firebase未在应用程序中初始化,但我已在应用程序类中初始化
请帮助我,给我建议一些解决方案。在我看来,您似乎还没有完成Firebase上Android的入门步骤:
作为此过程的一部分,您需要向应用程序添加json配置文件。设置好所有内容后,Android SDK将自动为您初始化。请确保您已在Gradle(应用程序级别)中添加了依赖项
编译'com.google.firebase:firebase storage:11.0.4'
如果仍然如此,您将面临相同的问题
错误:com.google.firebase.storage.FirebaseStorage.getInstance(未知源)
您可能正在使用Firebase身份验证。此问题将通过使firebase auth和firebase storage的版本相同来解决
compile 'com.google.firebase:firebase-storage:11.0.4'
compile 'com.google.firebase:firebase-auth:11.0.4'
另外,请确保您在Java文件中有import语句
import com.google.firebase.storage.FirebaseStorage;
发布build.gradle文件的依赖项部分。看起来您正在使用旧版2.5.x API(例如:
Firebase.setAndroidContext(this)
)和新的9.x.x API(例如:FirebaseStorage.getInstance()
)。它们不能一起使用。读这本书。