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J'ai suivi un tutoriel pour créer une application pour la connexion en utilisant facebook et google en utilisant firebase. Le bouton "se connecter avec email" fonctionne bien, mais quand j'essaye de me connecter en utilisant google ou facebook l'application se brisé.Application bloque lors de la connexion en utilisant facebook ou compte google
Voici mon MainActivity
public class MainActivity extends AppCompatActivity implements View.OnClickListener{
private static final int RC_SIGN_IN=0;
FirebaseAuth auth;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
FirebaseAuth auth=FirebaseAuth.getInstance();
if(auth.getCurrentUser()!=null)
{
Log.d("AUTH",auth.getCurrentUser().getEmail());
}
else {
startActivityForResult(AuthUI.getInstance()
.createSignInIntentBuilder().setProviders(
AuthUI.FACEBOOK_PROVIDER,
AuthUI.GOOGLE_PROVIDER,
AuthUI.EMAIL_PROVIDER
).build(), RC_SIGN_IN);
}
findViewById(R.id.btnLogout).setOnClickListener(this);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(requestCode==RC_SIGN_IN)
{
if(resultCode==RESULT_OK)
{
Log.d("AUTH",auth.getCurrentUser().getEmail());
}
else
{
Log.d("AUTH","Not authenticated");
}
}
}
@Override
public void onClick(View view) {
if(view.getId()==R.id.btnLogout)
{
AuthUI.getInstance().signOut(this).addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
Log.d("AUTH","User logged Out");
finish();
}
});
}
}
}
build.gradle (app) fichier
apply plugin: 'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
applicationId "com.example.ranjit.authenticate"
minSdkVersion 18
targetSdkVersion 25
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
multiDexEnabled = true
}
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.firebaseui:firebase-ui-auth:0.4.4'
compile 'com.android.support:appcompat-v7:25.1.0'
compile 'com.google.firebase:firebase-auth:10.0.1'
compile 'com.google.android.gms:play-services-auth:10.0.1'
testCompile 'junit:junit:4.12'
}
apply plugin: 'com.google.gms.google-services'
et ci-dessous est mon logcat pour l'application
08-21 03:09:24.419 23408-23408/com.example.ranjit.authenticate E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.ranjit.authenticate, PID: 23408
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=0, result=-1, data=Intent { }} to activity {com.example.ranjit.authenticate/com.example.ranjit.authenticate.MainActivity}: java.lang.NullPointerException
at android.app.ActivityThread.deliverResults(ActivityThread.java:3532)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3575)
at android.app.ActivityThread.access$1300(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1341)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:149)
at android.app.ActivityThread.main(ActivityThread.java:5257)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
at com.example.ranjit.authenticate.MainActivity.onActivityResult(MainActivity.java:50)
at android.app.Activity.dispatchActivityResult(Activity.java:5603)
at android.app.ActivityThread.deliverResults(ActivityThread.java:3528)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3575)
at android.app.ActivityThread.access$1300(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1341)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:149)
at android.app.ActivityThread.main(ActivityThread.java:5257)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609)
at dalvik.system.NativeStart.main(Native Method)
08 -21 03:09:30. 779 23408-23421/com.example.ranjit.authenticate W/DynamiteModule: Classe de descripteur de module local pour com.google.firebase.auth introuvable.