我是Android开发的新手。我正在尝试开发一个大学应用程序,管理员将在firebase中注册用户。代码没有显示任何错误,但当我点击注册按钮时,应用程序正在重新启动。请帮帮我。 先感谢您 这是我的代码
package com.example.abhisek.abacollege;
import android.app.ProgressDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
public class AdminLayout extends AppCompatActivity {
private EditText SID;
private EditText SPass;
private Button AReg;
private Prog`enter code here`ressDialog progressDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_admin_layout);
final DatabaseReference mRootRef = FirebaseDatabase.getInstance().getReferenceFromUrl("https://abacollege-2730a.firebaseio.com/STUDENTS");
progressDialog = new ProgressDialog(this);
SID = (EditText) findViewById(R.id.StID);
SPass = (EditText) findViewById(R.id.StPass);
AReg = (Button) findViewById(R.id.StRegBtn);
AReg.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String ID = SID.getText().toString();
String Pass = SPass.getText().toString();
DatabaseReference childRef = mRootRef.child(ID);
childRef.setValue(Pass);
}
});
}
my build gradle
apply plugin: 'com.android.application'
android {
compileSdkVersion 26
defaultConfig {
applicationId "com.example.abhisek.abacollege"
minSdkVersion 19
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.android.support:appcompat-v7:26.0.0-beta1'
implementation 'com.android.support:design:26.0.0-beta1'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
implementation 'com.android.support:support-v4:26.1.0'
implementation 'com.google.android.gms:play-services-auth:11.8.0'
implementation 'com.google.firebase:firebase-messaging:11.8.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:0.5'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
compile 'com.google.firebase:firebase-database:11.8.0'
compile 'com.google.firebase:firebase-crash:11.8.0'
compile 'com.google.firebase:firebase-auth:11.8.0'
}
apply plugin: 'com.google.gms.google-services'
configurations.all {
resolutionStrategy.eachDependency { DependencyResolveDetails details ->
def requested = details.requested
if (requested.group == 'com.android.support') {
if (!requested.name.startsWith("multidex")) {
details.useVersion '25.3.0'
}
}
}
}
请帮助我,我真的需要它..再次感谢你 更正 我的原木猫
03-09 21:19:00.205 2570-2629/com.example.abhisek.abacollege I/FA: Tag Manager is not found and thus will not be used
03-09 21:19:00.282 2570-2629/com.example.abhisek.abacollege D/FA: Logging event (FE): screen_view(_vs), Bundle[{firebase_event_origin(_o)=auto, firebase_screen_class(_sc)=MainActivity, firebase_screen_id(_si)=-1484019674178325915}]
03-09 21:19:01.162 2570-2629/com.example.abhisek.abacollege V/FA: Connecting to remote service
03-09 21:19:01.170 2570-2570/com.example.abhisek.abacollege W/FA: Service connection failed: ConnectionResult{statusCode=SERVICE_VERSION_UPDATE_REQUIRED, resolution=null, message=null}
03-09 21:19:01.193 2570-2629/com.example.abhisek.abacollege V/FA: Processing queued up service tasks: 4
03-09 21:19:01.193 2570-2629/com.example.abhisek.abacollege E/FA: Discarding data. Failed to send app launch
03-09 21:19:01.194 2570-2629/com.example.abhisek.abacollege E/FA: Failed to get app instance id
03-09 21:19:01.195 2570-2629/com.example.abhisek.abacollege E/FA: Failed to send current screen to service
03-09 21:19:01.202 2570-2629/com.example.abhisek.abacollege E/FA: Discarding data. Failed to send event to service
03-09 21:19:01.214 2570-2629/com.example.abhisek.abacollege V/FA: Processing queued up service tasks: 0
03-09 21:19:11.576 2552-2808/com.google.android.gms I/FA-SVC: App measurement is starting up, version: 11580
03-09 21:19:11.632 2552-2808/com.google.android.gms V/FA-SVC: Collection enabled
03-09 21:19:11.694 2552-2808/com.google.android.gms D/FA-SVC: Debug-level message logging enabled
03-09 21:19:11.815 2552-2808/com.google.android.gms V/FA-SVC: Cancelling job. JobID: 812057698
03-09 21:19:11.916 2552-3368/com.google.android.gms I/FA-SVC: This instance being marked as an uploader
03-09 21:19:11.978 2552-3368/com.google.android.gms V/FA-SVC: Nothing to upload or uploading impossible
03-09 21:19:11.980 2552-3368/com.google.android.gms V/FA-SVC: Cancelling job. JobID: 812057698
03-09 21:19:14.769 2552-3213/com.google.android.gms D/FA-SVC: Got package replaced intent: com.example.abhisek.abacollege
03-09 21:19:15.065 2570-2609/com.example.abhisek.abacollege E/FirebaseInstanceId: Token retrieval failed: AUTHENTICATION_FAILED
03-09 21:19:45.096 2570-2609/com.example.abhisek.abacollege E/FirebaseInstanceId: Token retrieval failed: AUTHENTICATION_FAILED
03-09 21:20:18.939 2570-3753/com.example.abhisek.abacollege V/FA: Recording user engagement, ms: 79212
03-09 21:20:18.941 2570-3753/com.example.abhisek.abacollege V/FA: Connecting to remote service
03-09 21:20:18.955 2570-3753/com.example.abhisek.abacollege V/FA: Activity paused, time: 150300
03-09 21:20:18.976 2570-3753/com.example.abhisek.abacollege D/FA: Logging event (FE): user_engagement(_e), Bundle[{firebase_event_origin(_o)=auto, engagement_time_msec(_et)=79212, firebase_screen_class(_sc)=MainActivity, firebase_screen_id(_si)=-1484019674178325915}]
03-09 21:20:19.030 2570-2570/com.example.abhisek.abacollege V/FA: onActivityCreated
03-09 21:20:19.345 2570-3753/com.example.abhisek.abacollege V/FA: Connection attempt already in progress
03-09 21:20:19.369 2570-3753/com.example.abhisek.abacollege V/FA: Connection attempt already in progress
03-09 21:20:19.370 2570-3753/com.example.abhisek.abacollege V/FA: Activity resumed, time: 150668
03-09 21:20:19.385 2570-2570/com.example.abhisek.abacollege W/FA: Service connection failed: ConnectionResult{statusCode=SERVICE_VERSION_UPDATE_REQUIRED, resolution=null, message=null}
03-09 21:20:19.400 2570-3753/com.example.abhisek.abacollege D/FA: Logging event (FE): screen_view(_vs), Bundle[{firebase_event_origin(_o)=auto, firebase_previous_class(_pc)=MainActivity, firebase_previous_id(_pi)=-1484019674178325915, firebase_screen_class(_sc)=AdminLogin, firebase_screen_id(_si)=-1484019674178325914}]
03-09 21:20:19.485 2570-3753/com.example.abhisek.abacollege V/FA: Connecting to remote service
03-09 21:20:19.506 2570-3753/com.example.abhisek.abacollege V/FA: Processing queued up service tasks: 4
03-09 21:20:19.519 2570-3753/com.example.abhisek.abacollege E/FA: Failed to send current screen to service
03-09 21:20:19.530 2570-3753/com.example.abhisek.abacollege E/FA: Discarding data. Failed to send event to service
03-09 21:20:19.531 2570-3753/com.example.abhisek.abacollege E/FA: Failed to send current screen to service
03-09 21:20:19.532 2570-3753/com.example.abhisek.abacollege E/FA: Discarding data. Failed to send event to service
03-09 21:20:19.743 2570-2570/com.example.abhisek.abacollege W/FA: Service connection failed: ConnectionResult{statusCode=SERVICE_VERSION_UPDATE_REQUIRED, resolution=null, message=null}
03-09 21:20:19.759 2570-3753/com.example.abhisek.abacollege V/FA: Processing queued up service tasks: 0
03-09 21:20:20.835 1774-1774/com.google.android.inputmethod.latin W/GInputConnectionWrapper: Fixing selection indices to 0, 0
03-09 21:20:24.650 1774-1774/com.google.android.inputmethod.latin W/GInputConnectionWrapper: Fixing selection indices to 0, 0
03-09 21:20:28.537 2570-3753/com.example.abhisek.abacollege V/FA: Recording user engagement, ms: 9245
03-09 21:20:28.538 2570-3753/com.example.abhisek.abacollege V/FA: Connecting to remote service
03-09 21:20:28.542 2570-3753/com.example.abhisek.abacollege V/FA: Activity paused, time: 159912
03-09 21:20:28.551 2570-3753/com.example.abhisek.abacollege D/FA: Logging event (FE): user_engagement(_e), Bundle[{firebase_event_origin(_o)=auto, engagement_time_msec(_et)=9245, firebase_screen_class(_sc)=AdminLogin, firebase_screen_id(_si)=-1484019674178325914}]
03-09 21:20:28.569 2570-2570/com.example.abhisek.abacollege W/FA: Service connection failed: ConnectionResult{statusCode=SERVICE_VERSION_UPDATE_REQUIRED, resolution=null, message=null}
03-09 21:20:28.592 2570-3753/com.example.abhisek.abacollege V/FA: Connecting to remote service
03-09 21:20:28.600 2570-3753/com.example.abhisek.abacollege V/FA: Processing queued up service tasks: 2
03-09 21:20:28.600 2570-3753/com.example.abhisek.abacollege E/FA: Failed to send current screen to service
03-09 21:20:28.601 2570-3753/com.example.abhisek.abacollege E/FA: Discarding data. Failed to send event to service
03-09 21:20:28.615 2570-2570/com.example.abhisek.abacollege V/FA: onActivityCreated
03-09 21:20:28.839 2570-3753/com.example.abhisek.abacollege V/FA: Connection attempt already in progress
03-09 21:20:28.839 2570-3753/com.example.abhisek.abacollege V/FA: Activity resumed, time: 160204
03-09 21:20:29.027 2570-3753/com.example.abhisek.abacollege D/FA: Logging event (FE): screen_view(_vs), Bundle[{firebase_event_origin(_o)=auto, firebase_previous_class(_pc)=AdminLogin, firebase_previous_id(_pi)=-1484019674178325914, firebase_screen_class(_sc)=AdminLayout, firebase_screen_id(_si)=-1484019674178325913}]
03-09 21:20:29.063 2570-2570/com.example.abhisek.abacollege W/FA: Service connection failed: ConnectionResult{statusCode=SERVICE_VERSION_UPDATE_REQUIRED, resolution=null, message=null}
03-09 21:20:29.215 2570-3753/com.example.abhisek.abacollege V/FA: Connecting to remote service
03-09 21:20:29.237 2570-3753/com.example.abhisek.abacollege V/FA: Processing queued up service tasks: 2
03-09 21:20:29.238 2570-3753/com.example.abhisek.abacollege E/FA: Failed to send current screen to service
03-09 21:20:29.239 2570-3753/com.example.abhisek.abacollege E/FA: Discarding data. Failed to send event to service
03-09 21:20:29.477 2570-2570/com.example.abhisek.abacollege W/FA: Service connection failed: ConnectionResult{statusCode=SERVICE_VERSION_UPDATE_REQUIRED, resolution=null, message=null}
03-09 21:20:29.494 2570-3753/com.example.abhisek.abacollege V/FA: Processing queued up service tasks: 0
03-09 21:20:30.142 1774-1774/com.google.android.inputmethod.latin W/GInputConnectionWrapper: Fixing selection indices to 0, 0
03-09 21:20:34.170 2552-2564/com.google.android.gms W/SQLiteConnectionPool: A SQLiteConnection object for database '/data/user/0/com.google.android.gms/databases/networkstatistics.sqlite' was leaked! Please fix your application to end transactions in progress properly and to close the database when it is no longer needed.
03-09 21:20:36.380 1774-1774/com.google.android.inputmethod.latin W/GInputConnectionWrapper: Fixing selection indices to 0, 0
03-09 21:20:40.580 2570-3753/com.example.abhisek.abacollege D/FA: Logging event (FE): app_exception(_ae), Bundle[{firebase_event_origin(_o)=crash, firebase_screen_class(_sc)=AdminLayout, firebase_screen_id(_si)=-1484019674178325913, timestamp=1520610640567, fatal=1}]
03-09 21:20:40.621 2570-3753/com.example.abhisek.abacollege V/FA: Connecting to remote service
03-09 21:20:40.625 2570-3753/com.example.abhisek.abacollege V/FA: Recording user engagement, ms: 11798
03-09 21:20:40.633 2570-3753/com.example.abhisek.abacollege D/FA: Logging event (FE): user_engagement(_e), Bundle[{firebase_event_origin(_o)=auto, engagement_time_msec(_et)=11798, firebase_screen_class(_sc)=AdminLayout, firebase_screen_id(_si)=-1484019674178325913}]
03-09 21:20:40.664 2570-3753/com.example.abhisek.abacollege V/FA: Connection attempt already in progress
答案 0 :(得分:0)
您正在创建两个引用,但您可以执行此操作
在onClick
mRootRef.child(ID).setValue(Pass);
如果您未登录或经过身份验证,请确保在firebase中的规则中将它们设置为true