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My app crashes on google sign-in

I am integrating google sign-in into my android project using Firebase. Following this tutorial, I was able to get the login. But when I choose the account, the app crashes.

By the way I am using Kotlin language.

The code snippet is as follows:

class SignupActivity:AppCompatActivity(){

lateinit var googleSignInClient: GoogleSignInClient
lateinit var gso: GoogleSignInOptions
val RC_SIGN_IN :Int =1
lateinit var signOut:Button
lateinit var mAuth: FirebaseAuth

private var callbackManager: CallbackManager?=null
@RequiresApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.signup)
header_signup_button.setOnClickListener {
startActivity(Intent(this,SplashscreenActivity::class.java))
}
gso = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestEmail()
.build()
googleSignInClient = GoogleSignIn.getClient(this,gso)
mAuth = FirebaseAuth.getInstance()
signOut = findViewById<View>(R.id.signOutBtn) as Button
signOut.visibility= View.INVISIBLE
google_signup.setOnClickListener {
view:View?->signInGoogle()
}
signupemail_button.setOnClickListener {
startActivity(Intent(this,EmailSignupActivity::class.java))
}

val fblogin_button= findViewById<Button>(R.id.facebook_signup)
fblogin_button.setOnClickListener {
callbackManager = CallbackManager.Factory.create()
LoginManager.getInstance().logInWithReadPermissions(this, Arrays.asList("email"))
if (!isloggedIn()) {
LoginManager.getInstance().registerCallback(callbackManager,
object : FacebookCallback<LoginResult> {
override fun onSuccess(loginResult: LoginResult) {
Log.d("LoginActivity", "Facebook token" + loginResult.accessToken.token)
startActivity(Intent(baseContext, MainActivity::class.java))
}

override fun onCancel() {
Log.d("LoginActivity", "Facebook oncancel")
}

override fun onError(error: FacebookException?) {
Log.d("LoginActivity", "Facebook onError")
}
})
} else {
LoginManager.getInstance().unregisterCallback(callbackManager, object : FacebookCallback<LoginResult> {
override fun onSuccess(result: LoginResult?) {
GraphRequest(AccessToken.getCurrentAccessToken(), "/{user-id}/permissions/", null, HttpMethod.DELETE, GraphRequest.Callback() {
AccessToken.setCurrentAccessToken(null)
LoginManager.getInstance().logOut()
}).executeAsync()
Log.d("LoginActivity", "Facebook token" + result?.accessToken?.token)
}

override fun onCancel() {
Log.d("LoginActivityunregister", "Facebook oncancel")
}

override fun onError(error: FacebookException?) {
Log.d("LoginActivityunregister", "Facebook onError")
}

})
}
}
}

private fun signInGoogle() {
val signIntent:Intent =googleSignInClient.signInIntent
startActivityForResult(signIntent,RC_SIGN_IN)
}

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (requestCode == RC_SIGN_IN) {
if (resultCode!= Activity.RESULT_OK) {
val task: Task<GoogleSignInAccount> = GoogleSignIn.getSignedInAccountFromIntent(data)
try {
val account = task.getResult()
val credential = GoogleAuthProvider.getCredential(account.idToken,null)
mAuth.signInWithCredential(credential)
.addOnCompleteListener(this, OnCompleteListener<AuthResult>(){
if (task.isSuccessful) {
val user = mAuth.currentUser
if (user != null) {
updateUI(user)
}
}else{
updateUI(null)
}
})
}catch (e:ApiException){
Toast.makeText(this,e.toString(),Toast.LENGTH_SHORT).show()
}

}
}
else {
callbackManager?.onActivityResult(requestCode, resultCode, data)
}
}
private fun updateUI(user: FirebaseUser?) {
val disptext = findViewById<View>(R.id.disptxt) as TextView
if (user != null) {
disptext.text = user.displayName
}
signOut.visibility=View.VISIBLE
signOut.setOnClickListener { view:View->
googleSignInClient.signOut().addOnCompleteListener {
task -> disptext.text = " "
signOut.visibility= View.INVISIBLE
}
}
}

@SuppressLint("NewApi")
override fun onBackPressed() {
super.onBackPressed()
startActivity(Intent(this,SplashscreenActivity::class.java))
}
}
private fun Any.unregisterCallback(callbackManager: CallbackManager?, facebookCallback: FacebookCallback<LoginResult>) {

}

fun isloggedIn(): Boolean {
val accessToken = AccessToken.getCurrentAccessToken()
return accessToken != null
}


The manifest file: In the manifest file I have added the metadata.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.example.vishwa.imaginators">
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@mipmap/myicon"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".SplashscreenActivity"
android:theme="@style/AppTheme"
android:noHistory="true">
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".LoginActivity">
</activity>
<activity android:name=".SigninActivity">
</activity>
<activity android:name=".SignupActivity">
</activity>
<activity android:name=".EmailSignupActivity">
</activity>
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<meta-data android:name="com.facebook.sdk.ApplicationId"
android:value="@string/facebook_app_id" />

<activity android:name="com.facebook.FacebookActivity"
android:configChanges=
"keyboard|keyboardHidden|screenLayout|screenSize|orientation"
android:label="@string/app_name"/>
<activity android:name=".MainActivity">

</activity>
</application>

</manifest>


The error that comes is Caused by: com.google.android.gms.tasks.RuntimeExecutionException: com.google.android.gms.common.api.ApiException: 10. I have looked up this issue and no answer solves my problem.

Caused by: com.google.android.gms.tasks.RuntimeExecutionException: com.google.android.gms.common.api.ApiException: 10

Moreover, you'll also notice that I have Facebook sign-in integration as well for my project. But now that too is not working after adding the google sign-in. Therefore I am looking forward to some help. Any help is appreciated.

1 Answer
1

Your AndroidManifest.XML looks correct to me. I encountered the same error:

AndroidManifest.XML

Caused by: com.google.android.gms.tasks.RuntimeExecutionException: com.google.android.gms.common.api.ApiException: 10


Which basically means that you are providing an unknown server client id.
In Google Developer Console, select your project you generate: OAuth client ID -> Web Application and use this web application client id in your Android app.

OAuth client ID

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