我试图通过获取数据库引用来添加firebase数据库的一些信息,但它会给出以下错误:
引起:java.lang.NoSuchMethodError:类Lcom / google / firebase / FirebaseApp中没有虚方法zzckb()Z;或其超级类(com.google.firebase.FirebaseApp'的声明出现在/data/app/com.bogroup.ucuncuprogram-1/split_lib_dependencies_apk.apk:classes25.dex)
我的java代码是以下:
package com.bogroup.ucuncuprogram;
import android.content.Context;
import android.widget.Toast;
import com.firebase.client.Firebase;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import static com.facebook.FacebookSdk.getApplicationContext;
public class database{
private Firebase mRootRef;
private DatabaseReference mDatabase;
public void kullanicikontrol(String kullaniciadi){
mDatabase = FirebaseDatabase.getInstance().getReference();
mDatabase.child("users").child(kullaniciadi).setValue("9999999");
//chieldref.setValue("9999999");
Context context = getApplicationContext();
CharSequence text = kullaniciadi;
int duration = Toast.LENGTH_LONG;
Toast toast = Toast.makeText(context, text, duration);
toast.show();
}
}
可能有什么问题,提前谢谢。
我的app build.grade就像是在休假:
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.3"
defaultConfig {
applicationId "com.bogroup.ucuncuprogram"
minSdkVersion 21
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
packagingOptions {
exclude 'META-INF/NOTICE' // will not include NOTICE file
exclude 'META-INF/LICENSE' // will not include LICENSE file
// as noted by @Vishnuvathsan you may also need to include
// variations on the file name. It depends on your dependencies.
// Some other common variations on notice and license file names
exclude 'META-INF/notice'
exclude 'META-INF/notice.txt'
exclude 'META-INF/license'
exclude 'META-INF/license.txt'
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.0.0'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
compile 'com.google.firebase:firebase-core:9.4.0'
compile 'com.google.firebase:firebase-auth:9.4.0'
compile 'com.google.firebase:firebase-database:9.4.0'
compile 'com.google.firebase:firebase-crash:9.4.0'
compile 'com.firebase:firebase-client-android:2.2.4'
//compile 'com.google.firebase:firebase-storage:9.4.0'
compile 'com.firebaseui:firebase-ui:0.4.4'
compile 'com.google.android.gms:play-services-auth:9.4.0'
compile 'com.android.support:animated-vector-drawable:25.0.0'
compile 'com.android.support:design:25.0.0'
compile 'com.android.support:support-v4:25.0.0'
compile 'com.android.support:cardview-v7:25.0.0'
compile 'com.android.support:customtabs:25.0.0'
compile 'com.android.support:recyclerview-v7:25.0.0'
compile 'com.firebaseui:firebase-ui-auth:1.2.0'
compile 'com.squareup.picasso:picasso:2.5.2'
//compile 'com.android.support:customtabs:25.2.0'
testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
答案 0 :(得分:2)
您的Firebase和Firebase用户界面需要line up according to the table on their Github Page。
供参考,您是否应该选择升级(我强烈推荐)。
FirebaseUI版本
1.2.0Firebase / Play服务版
10.2.0
简单的方法
ext {
googlePlayVer = "10.2.0"
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:25.0.0'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
// For example
compile "com.google.firebase:firebase-core:${googlePlayVer}"
compile "com.google.firebase:firebase-auth:${googlePlayVer}"
compile "com.google.firebase:firebase-database:${googlePlayVer}"