Migrate deprecated Google SignIn to Credentials Manager

android/Omnivore/app/build.gradle.kts

@@ -104,8 +104,9 @@ dependencies {
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.appcompat)
 
-    implementation(libs.gms.playServicesBase)
-    implementation(libs.gms.playServicesAuth)
+    implementation(libs.androidx.credentials.auth)
+    implementation(libs.androidx.credentials)
+    implementation(libs.googleid)
 
     val bom = platform(libs.androidx.compose.bom)
     implementation(bom)

android/Omnivore/app/proguard-rules.pro

@@ -19,3 +19,8 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+
+-if class androidx.credentials.CredentialManager
+-keep class androidx.credentials.playservices.** {
+  *;
+}

android/Omnivore/app/src/main/java/app/omnivore/omnivore/feature/library/LibraryViewModel.kt

@@ -1,15 +1,9 @@
 package app.omnivore.omnivore.feature.library
 
 import android.content.Context
-import android.content.pm.PackageManager
-import android.content.pm.PackageManager.*
-import android.widget.Toast
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
-import androidx.compose.ui.platform.LocalContext
-import androidx.core.app.ActivityCompat
-import androidx.core.content.ContextCompat
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
@@ -39,7 +33,6 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.withContext
 import java.time.Instant
-import java.util.jar.Manifest
 import javax.inject.Inject
 
 @OptIn(ExperimentalCoroutinesApi::class)

android/Omnivore/app/src/main/java/app/omnivore/omnivore/feature/onboarding/OnboardingViewModel.kt

@@ -35,9 +35,7 @@ import app.omnivore.omnivore.graphql.generated.ValidateUsernameQuery
 import app.omnivore.omnivore.utils.Constants
 import app.omnivore.omnivore.utils.ResourceProvider
 import com.apollographql.apollo3.ApolloClient
-import com.google.android.gms.auth.api.signin.GoogleSignInAccount
-import com.google.android.gms.common.api.ApiException
-import com.google.android.gms.tasks.Task
+import com.google.android.libraries.identity.googleid.GoogleIdTokenCredential
 import dagger.hilt.android.lifecycle.HiltViewModel
 import io.intercom.android.sdk.Intercom
 import kotlinx.coroutines.Job
@@ -359,9 +357,8 @@ class OnboardingViewModel @Inject constructor(
         setErrorMessage(resourceProvider.getString(R.string.login_view_model_google_auth_error_msg))
     }
 
-    fun handleGoogleAuthTask(task: Task<GoogleSignInAccount>) {
-        val result = task.getResult(ApiException::class.java)
-        val googleIdToken = result?.idToken ?: ""
+    fun handleGoogleAuthCredential(credential: GoogleIdTokenCredential) {
+        val googleIdToken = credential.idToken
 
         // If token is missing then set the error message
         if (googleIdToken.isEmpty()) {

android/Omnivore/app/src/main/java/app/omnivore/omnivore/feature/onboarding/auth/AuthProviderScreen.kt

@@ -17,7 +17,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.ui.unit.dp
@@ -27,28 +26,25 @@ import app.omnivore.omnivore.feature.onboarding.OnboardingViewModel
 import app.omnivore.omnivore.feature.onboarding.auth.provider.AppleAuthButton
 import app.omnivore.omnivore.feature.onboarding.auth.provider.GoogleAuthButton
 import app.omnivore.omnivore.navigation.Routes
-import com.google.android.gms.common.GoogleApiAvailability
 
 @Composable
 fun AuthProviderScreen(
     welcomeNavController: NavHostController,
     viewModel: OnboardingViewModel
 ) {
-    val isGoogleAuthAvailable: Boolean =
-        GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(LocalContext.current) == 0
 
     Row(
         horizontalArrangement = Arrangement.Center,
-        modifier = Modifier.fillMaxWidth().padding(bottom = 64.dp)
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(bottom = 64.dp)
     ) {
         Column(
             verticalArrangement = Arrangement.spacedBy(8.dp),
             horizontalAlignment = Alignment.CenterHorizontally,
             modifier = Modifier.width(500.dp)
         ) {
-            if (isGoogleAuthAvailable) {
-                GoogleAuthButton(viewModel)
-            }
+            GoogleAuthButton(viewModel)
 
             AppleAuthButton(viewModel)
 
@@ -66,7 +62,10 @@ fun AuthProviderScreen(
                     contentColor = MaterialTheme.colorScheme.onSurface
                 )
             ) {
-                Text(text = stringResource(R.string.welcome_screen_action_continue_with_email), modifier = Modifier.padding(vertical = 6.dp))
+                Text(
+                    text = stringResource(R.string.welcome_screen_action_continue_with_email),
+                    modifier = Modifier.padding(vertical = 6.dp)
+                )
             }
 
             Spacer(modifier = Modifier.weight(1.0F))
@@ -80,7 +79,7 @@ fun AuthProviderScreen(
                 colors = ButtonDefaults.textButtonColors(
                     contentColor = MaterialTheme.colorScheme.onSurface
                 )
-            ){
+            ) {
                 Text(
                     text = stringResource(R.string.welcome_screen_action_self_hosting_options),
                     textDecoration = TextDecoration.Underline

android/Omnivore/app/src/main/java/app/omnivore/omnivore/feature/onboarding/auth/provider/GoogleAuthButton.kt

@@ -1,9 +1,5 @@
 package app.omnivore.omnivore.feature.onboarding.auth.provider
 
-import android.app.Activity
-import androidx.activity.compose.rememberLauncherForActivityResult
-import androidx.activity.result.ActivityResult
-import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -17,53 +13,64 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedButton
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
+import androidx.credentials.CredentialManager
+import androidx.credentials.CustomCredential
+import androidx.credentials.GetCredentialRequest
 import app.omnivore.omnivore.BuildConfig
 import app.omnivore.omnivore.R
 import app.omnivore.omnivore.feature.onboarding.OnboardingViewModel
-import com.google.android.gms.auth.api.signin.GoogleSignIn
-import com.google.android.gms.auth.api.signin.GoogleSignInAccount
-import com.google.android.gms.auth.api.signin.GoogleSignInOptions
-import com.google.android.gms.tasks.Task
+import com.google.android.libraries.identity.googleid.GetSignInWithGoogleOption
+import com.google.android.libraries.identity.googleid.GoogleIdTokenCredential
+import kotlinx.coroutines.launch
 
 @Composable
 fun GoogleAuthButton(viewModel: OnboardingViewModel) {
+
+    val scope = rememberCoroutineScope()
     val context = LocalContext.current
+    val credentialManager = remember { CredentialManager.create(context) }
 
-    val signInOptions = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
-        .requestIdToken(BuildConfig.OMNIVORE_GAUTH_SERVER_CLIENT_ID).requestEmail().build()
+    val googleIdOption = remember {
+        GetSignInWithGoogleOption.Builder(BuildConfig.OMNIVORE_GAUTH_SERVER_CLIENT_ID)
+            .build()
+    }
 
-    val startForResult =
-        rememberLauncherForActivityResult(ActivityResultContracts.StartActivityForResult()) { result: ActivityResult ->
-            if (result.resultCode == Activity.RESULT_OK) {
-                val intent = result.data
-                if (result.data != null) {
-                    val task: Task<GoogleSignInAccount> =
-                        GoogleSignIn.getSignedInAccountFromIntent(intent)
-                    viewModel.handleGoogleAuthTask(task)
-                }
-            } else {
-                viewModel.showGoogleErrorMessage()
-            }
-        }
+    val request = remember {
+        GetCredentialRequest.Builder()
+            .addCredentialOption(googleIdOption)
+            .build()
+    }
 
     OutlinedButton(
         onClick = {
-            val googleSignIn = GoogleSignIn.getClient(context, signInOptions)
-
-            googleSignIn.silentSignIn().addOnCompleteListener { task ->
-                if (task.isSuccessful) {
-                    viewModel.handleGoogleAuthTask(task)
-                } else {
-                    startForResult.launch(googleSignIn.signInIntent)
+            scope.launch {
+                try {
+                    val credential = credentialManager.getCredential(
+                        request = request,
+                        context = context,
+                    ).credential
+                    if (credential is CustomCredential &&
+                        credential.type == GoogleIdTokenCredential.TYPE_GOOGLE_ID_TOKEN_CREDENTIAL
+                    ) {
+                        viewModel.handleGoogleAuthCredential(
+                            GoogleIdTokenCredential
+                                .createFrom(credential.data)
+                        )
+                    } else {
+                        viewModel.showGoogleErrorMessage()
+                    }
+                } catch (e: Exception) {
+                    e.printStackTrace()
+                    viewModel.showGoogleErrorMessage()
                 }
-            }.addOnFailureListener {
-                startForResult.launch(googleSignIn.signInIntent)
             }
         },
         modifier = Modifier
@@ -80,7 +87,10 @@ fun GoogleAuthButton(viewModel: OnboardingViewModel) {
             contentDescription = "",
             modifier = Modifier.padding(end = 10.dp)
         )
-        Text(text = stringResource(R.string.google_auth_text), modifier = Modifier.padding(vertical = 6.dp))
+        Text(
+            text = stringResource(R.string.google_auth_text),
+            modifier = Modifier.padding(vertical = 6.dp)
+        )
         if (viewModel.isLoading) {
             Spacer(modifier = Modifier.width(16.dp))
             CircularProgressIndicator(

android/Omnivore/app/src/main/java/app/omnivore/omnivore/feature/profile/LogoutDialog.kt

@@ -6,16 +6,22 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.credentials.ClearCredentialStateRequest
+import androidx.credentials.CredentialManager
 import app.omnivore.omnivore.R
-import com.google.android.gms.auth.api.signin.GoogleSignIn
-import com.google.android.gms.auth.api.signin.GoogleSignInOptions
+import kotlinx.coroutines.launch
 
 @Composable
 fun LogoutDialog(onClose: (Boolean) -> Unit) {
     val context = LocalContext.current
 
+    val credentialManager = remember { CredentialManager.create(context) }
+    val scope = rememberCoroutineScope()
+
     AlertDialog(onDismissRequest = { onClose(false) },
         title = { Text(text = stringResource(R.string.logout_dialog_title)) },
         text = {
@@ -28,12 +34,10 @@ fun LogoutDialog(onClose: (Boolean) -> Unit) {
                     contentColor = MaterialTheme.colorScheme.onSurface
                 ),
                 onClick = {
-                val signInOptions =
-                    GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN).build()
-
-                val googleSignIn = GoogleSignIn.getClient(context, signInOptions)
-                googleSignIn.signOut()
-                onClose(true)
+                    scope.launch {
+                        credentialManager.clearCredentialState(ClearCredentialStateRequest())
+                        onClose(true)
+                    }
             }) {
                 Text(stringResource(R.string.logout_dialog_action_confirm))
             }

android/Omnivore/gradle/libs.versions.toml

@@ -24,14 +24,14 @@ junit4 = "4.13.2"
 kotlin = "2.0.0"
 ksp = "2.0.0-1.0.21"
 kotlinxCoroutines = "1.8.0"
-playServices = "18.5.0"
-playServicesAuth = "21.2.0"
+androidxCredentials = "1.2.2"
 posthog = "2.0.3"
 pspdfkit = "8.9.1"
 retrofit = "2.11.0"
 room = "2.6.1"
 workManager = "2.9.0"
 hiltWork = "1.2.0"
+googleid = "1.1.1"
 
 [libraries]
 accompanist-flowlayout = { group = "com.google.accompanist", name = "accompanist-flowlayout", version.ref = "accompanistFlowLayout" }
@@ -65,8 +65,9 @@ chiptextfield-m3 = { group = "io.github.dokar3", name = "chiptextfield-m3", vers
 coil-kt-compose = { group = "io.coil-kt", name = "coil-compose", version.ref = "coil" }
 compose-markdown = { group = "com.github.jeziellago", name = "compose-markdown", version.ref = "composeMarkdown" }
 gson = { group = "com.google.code.gson", name = "gson", version.ref = "gson" }
-gms-playServicesAuth = { group = "com.google.android.gms", name = "play-services-auth", version.ref = "playServicesAuth" }
-gms-playServicesBase = { group = "com.google.android.gms", name = "play-services-base", version.ref = "playServices" }
+androidx-credentials = { group = "androidx.credentials", name = "credentials", version.ref = "androidxCredentials" }
+androidx-credentials-auth = { group = "androidx.credentials", name = "credentials-play-services-auth", version.ref = "androidxCredentials" }
+googleid = { group = "com.google.android.libraries.identity.googleid", name = "googleid", version.ref = "googleid" }
 hilt-android = { group = "com.google.dagger", name = "hilt-android", version.ref = "hilt" }
 hilt-compiler = { group = "com.google.dagger", name = "hilt-android-compiler", version.ref = "hilt" }
 intercom = { group = "io.intercom.android", name = "intercom-sdk", version.ref = "intercom" }