Firebase RecyclerView:无法查询

时间:2016-03-21 23:54:42

标签: java android firebase android-recyclerview firebase-realtime-database

我遇到了有关查询的问题, 我实际上正在尝试使用inflate视图,其中添加为朋友的人可以添加到recyclerView。

@Override
public void onStart(){
super.onStart();
if(EmailPref!=null){

    Log.e("SahajLOG", " EmailPref " +EmailPref);
    FriendsData er=new FriendsData();
    er.setEmailPref("sahaj9917730102@gmail");
    final Firebase mFirebaseRef = new Firebase(constants.FIREBASE_URL+"rootssahaj/authGplus");
    Query ref = mFirebaseRef.orderByChild("sahaj9917730102@gmail").equalTo("yes");


    ref.addValueEventListener(new ValueEventListener() {
        @Override
        public void onDataChange(DataSnapshot dataSnapshot) {
            Log.e("SahajLOG", " dataSnapshot " + dataSnapshot);
        }

        @Override
        public void onCancelled(FirebaseError firebaseError) {

        }
    });



    FirebaseRecyclerAdapter<FriendsData,FriendsViewHolder> adapter=new FirebaseRecyclerAdapter<FriendsData, FriendsViewHolder>(
            FriendsData.class,
            R.layout.chat_view_list,
            FriendsViewHolder.class,
            ref

    ) {
        @Override
        protected void populateViewHolder(FriendsViewHolder friendsViewHolder, FriendsData s, int i) {
            friendsViewHolder.mName.setText(s.getUserNAME());
            friendsViewHolder.mStatus.setText(s.getStatus());
            Picasso.with(context).load(s.getPicurl()).transform(new CircleTransform()).into(friendsViewHolder.mImageProfile);
        }
    };

    recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
    AlphaInAnimationAdapter alphaAdapter = new AlphaInAnimationAdapter(adapter);
    alphaAdapter.setDuration(500);
    alphaAdapter.setInterpolator(new OvershootInterpolator(.5f));
    alphaAdapter.setFirstOnly(false);
    recyclerView.setAdapter(new ScaleInAnimationAdapter(alphaAdapter));


}



}

public static class FriendsViewHolder extends RecyclerView.ViewHolder{
ImageView mImageProfile;
android.widget.TextView mName;
android.widget.TextView mStatus;

public FriendsViewHolder(View itemView) {
    super(itemView);
    mImageProfile=(ImageView)itemView.findViewById(R.id.profilePICC);
    mName=(android.widget.TextView)itemView.findViewById(R.id.NameUSER);
    mStatus=(android.widget.TextView)itemView.findViewById(R.id.Status);

}


}

错误是:

  

引起:com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException:无法识别的字段“sahaj9917730102 @gmail”(类com.rana.sahaj.myyu.FriendsData),未标记为可忽略(5个已知属性:,“状态“,”sahaj“,”picurl“,”userNAME“,”emailPref“])

我试了很多soln因为电子邮件不一致所以我不能在FriendsData类中定义它 我试图让它可以忽略,但它显示我复制杰克逊文件的帽子

  

错误:任务':app:transformResourcesWithMergeJavaResForDebug'的执行失败。   com.android.build.api.transform.TransformException:com.android.builder.packaging.DuplicateFileException:在APK META-INF / ASL2.0中复制的重复文件   File1:C:\ Users \ Sahaj.gradle \ caches \ modules-2 \ files-2.1 \ org.codehaus.jackson \ jackson-mapper-asl \ 1.9.13 \ 1ee2f2bed0e5dd29d1cb155a166e6f8d50bbddb7 \ jackson-mapper-asl-1.9.13.jar   File2:C:\ Users \ Sahaj.gradle \ caches \ modules-2 \ files-2.1 \ org.codehaus.jackson \ jackson-core-asl \ 1.9.13 \ 3c304d70f42f832e0a86d45bd437f692129299a4 \ jackson-core-asl-1.9.13.jar `

所以我该怎么办,任何解决方案?

我的Firebase数据截图

ScreenShot here

GRADLE文件

  apply plugin: 'com.android.application'



   android {
compileSdkVersion 23
buildToolsVersion '23.0.2'

dataBinding {
    enabled = true
}

defaultConfig {
    applicationId "com.rana.sahaj.myyu"
    minSdkVersion 16
    targetSdkVersion 23
    versionCode 1
    versionName "1.0"
    renderscriptTargetApi 20
    renderscriptSupportModeEnabled true

}
buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
}

packagingOptions {
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/LICENSE-FIREBASE.txt'
    exclude 'META-INF/NOTICE'
  }
  }

dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
compile('com.github.afollestad.material-dialogs:core:0.8.5.4@aar') {
    transitive = true
}
compile('com.github.coyarzun89:fabtransitionactivity:0.1.1') {
    exclude module: 'CircularReveal'
}
compile 'com.android.support:appcompat-v7:23.2.1'
compile 'com.android.support:design:23.2.1'
compile 'com.android.support:design:23.2.1'
compile 'com.android.support:recyclerview-v7:23.2.1'
compile 'org.lucasr.dspec:dspec:0.1.1'
compile 'com.firebase:firebase-client-android:2.5.0'
compile 'com.android.support:multidex:1.0.1'
compile 'com.google.android.gms:play-services-auth:8.4.0'
compile 'com.google.android.gms:play-services-plus:8.4.0'
compile 'com.android.support:cardview-v7:23.2.1'
compile 'com.github.greenfrvr:rubber-loader:1.1.2@aar'
compile 'com.jakewharton:butterknife:7.0.1'
compile 'com.koushikdutta.ion:ion:2.1.7'
compile 'com.squareup.picasso:picasso:2.5.2'
compile 'jp.wasabeef:blurry:1.0.5'
compile 'in.workarounds.typography:typography:0.0.8'
compile 'konifar:fab-transformation:1.0.0'
compile 'de.hdodenhof:circleimageview:1.3.0'
compile 'com.github.dmytrodanylyk:android-morphing-button:98a4986e56'
compile 'jp.wasabeef:recyclerview-animators:2.2.1'
compile 'net.sjava:advancedasynctask:1.0.1'
compile 'com.firebaseui:firebase-ui:0.3.1'
// compile 'org.codehaus.jackson:jackson-mapper-asl:1.9.13'

}

编辑:添加了FriendsData类

public class FriendsData {
String picurl;
String userNAME;
String status;
String sahaj;
String EmailPref="sahaj9917730102@gmail";


public String getSahaj() {
    return sahaj;
}

public void setSahaj(String sahaj) {
    this.sahaj = sahaj;
}

public String getEmailPref() {
    return EmailPref;
}

public void setEmailPref(String emailPref) {
    EmailPref = emailPref;
}




public FriendsData(){

}

public String getPicurl() {
    return picurl;
}

public void setPicurl(String picurl) {
    this.picurl = picurl;
}

public String getUserNAME() {
    return userNAME;
}

public void setUserNAME(String userNAME) {
    this.userNAME = userNAME;
}

public String getStatus() {
    return status;
}

public void setStatus(String status) {
    this.status = status;
}



}

在这个EmailPref中正在为非常个人用户进行更改,因此我在课堂上对其进行了硬编码

2 个答案:

答案 0 :(得分:1)

这不是运行时java代码的问题,而是你的构建问题。请尝试在android

build.gradle块中添加此内容
android {

    // ... other stuff

    packagingOptions {
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/LICENSE-FIREBASE.txt'
        exclude 'META-INF/NOTICE'
    }
}

答案 1 :(得分:1)

我正在查看您提供的快照。您有几个dispatch_async(dispatch_get_main_queue()) { //code here } 个用户。在它们中,它们具有键值对,键为dummy_n@gmail。这是有道理的,因为你的错误说:

  

无法识别的字段“sahaj9917730102 @gmail”

sahaj9917730102@gmail对象中,您没有包含该名称的字段。但是,您确实拥有FriendsDatastatussahajpicurluserNAME。您需要从仪表板中删除这些内容,或修改emailPref对象以获得具有该名称的值

修改

如果要将其添加为字段,请修改对象,如下所示:

FriendsData

我明白这不切实际,但我给了你解决方案,这样你才能理解问题。您需要更改它,以便不需要对值进行硬编码。我不确定值的目的,但我会推荐一个布尔列表?即:

public class FriendsData {

    String picurl;
    String userNAME;
    String status;
    String sahaj;
    String sahaj9917730102@gmail; // this is the key NAME, not value. 

    //all your accessors

}

然后添加到它,你可以做到

public class FriendsData {
     //others
     Map<String, Boolean> emails = new HashMap<>();
     ///...
}