java如何使用FirebaseApp。FirebaseRemoteConfig的initializeApp
我正在尝试使用FirebaseApp。初始化EAPP,但它不工作。我有正确的库,但我不能使用JSON文件初始化应用程序
这是我的代码:
进口
import com.google.firebase.FirebaseApp;
import com.google.firebase.FirebaseOptions;
import com.google.firebase.remoteconfig.FirebaseRemoteConfig;
import com.google.firebase.remoteconfig.FirebaseRemoteConfigSettings;
变数
private FirebaseRemoteConfig mFirebaseRemoteConfig;
private String projectID;
private String apiKey;
private String appID;
如何初始化应用程序
public void Initialize() {
FirebaseOptions mFirebaseOptions = new FirebaseOptions.Builder()
.setApplicationId(this.appID)
.setApiKey(this.apiKey)
.build();
FirebaseApp.initializeApp(this.context, mFirebaseOptions, this.projectID);
mFirebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
}
应用程序在启动时崩溃这是logcat错误:
12-04 22:11:42.217 12566 12566 E AndroidRuntime: FATAL EXCEPTION: main
12-04 22:11:42.217 12566 12566 E AndroidRuntime: Process: com.makeroid.sanderjochems.FirebaseRemoteConfig, PID: 12566
12-04 22:11:42.217 12566 12566 E AndroidRuntime: java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/安卓/gms/common/internal/zzby;
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at com.google.firebase.FirebaseOptions.fromResource(Unknown Source)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at com.google.firebase.FirebaseApp.initializeApp(Unknown Source)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at com.google.appinventor.components.runtime.FirebaseRemoteConfiguration.<init>(FirebaseRemoteConfiguration.java:67)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at java.lang.reflect.Constructor.newInstance0(Native Method)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at java.lang.reflect.Constructor.newInstance(Constructor.java:430)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at gnu.expr.PrimProcedure.apply(PrimProcedure.java:272)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at gnu.mapping.CallContext.runUntilDone(CallContext.java:234)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at gnu.mapping.CallContext.runUntilValue(CallContext.java:298)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at gnu.kawa.reflect.Invoke.applyN(Invoke.java:209)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at gnu.mapping.ProcedureN.apply2(ProcedureN.java:39)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at com.makeroid.sanderjochems.FirebaseRemoteConfig.Screen1.$define(Screen1.yail:10182)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at com.google.appinventor.components.runtime.Form.onCreateFinish(Form.java:389)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at com.google.appinventor.components.runtime.Form.onCreate(Form.java:336)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.app.Activity.performCreate(Activity.java:6942)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1126)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.app.ActivityThread.performLaunchActivity(ActivityThread.java:2880)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2988)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.app.ActivityThread.-wrap14(ActivityThread.java)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.app.ActivityThread$H.handleMessage(ActivityThread.java:1631)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.os.Handler.dispatchMessage(Handler.java:102)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.os.Looper.loop(Looper.java:154)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at 安卓.app.ActivityThread.main(ActivityThread.java:6682)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at com.安卓.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1520)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at com.安卓.internal.os.ZygoteInit.main(ZygoteInit.java:1410)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.安卓.gms.common.internal.zzby" on path: DexPathList[[zip file "/data/app/com.makeroid.sanderjochems.FirebaseRemoteConfig-1/base.apk"],nativeLibraryDirectories=[/data/app/com.makeroid.sanderjochems.FirebaseRemoteConfig-1/lib/arm64, /system/lib64, /vendor/lib64]]
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at java.lang.ClassLoader.loadClass(ClassLoader.java:380)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
12-04 22:11:42.217 12566 12566 E AndroidRuntime: ... 25 more
# 1 楼答案
在生成应用程序时禁用
instant-run
,并确保已将google-services.json
文件添加到项目中# 2 楼答案
嘿,我在建议一些解决方案-
建造。梯度锉
将此添加到您的proguard规则中。专业文件
-keep public class com.google.android.gms.* { public *; }
# 3 楼答案
可能存在多个问题。我会指出其中一个
RemoteConfig.getInstance()的文档注意到,它希望初始化默认值
FirebaseApp
:与其他一些Firebase API不同,无法使用不同的
FirebaseApp
初始化RemoteConfig
这意味着当初始化
FirebaseApp
时,projectID
必须是“[DEFAULT]”,它作为常量FirebaseApp.DEFAULT_APP_NAME可用尝试将
projectID
设置为“[DEFAULT]”(或可用常量),以查看故障是否更改或已解决