#7 Feature google oauth request

presentation/src/main/java/com/example/draven/ui/sign/LoginActivity.kt

@@ -1,13 +1,40 @@
 package com.example.draven.ui.sign
 
+import android.content.Intent
 import android.os.Bundle
+import androidx.activity.result.ActivityResult
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import com.example.draven.R
 import com.example.draven.base.BaseActivity
 import com.example.draven.databinding.ActivityLoginBinding
+import com.google.android.gms.auth.api.signin.GoogleSignIn
+import com.google.android.gms.auth.api.signin.GoogleSignInOptions
+import com.google.android.gms.common.api.ApiException
 
 class LoginActivity : BaseActivity<ActivityLoginBinding>(R.layout.activity_login) {
+
+    private lateinit var activityLauncher: ActivityResultLauncher<Intent>
+    private val gso = GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
+        .requestEmail()
+        .build()
+    private val client = GoogleSignIn.getClient(this, gso)
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
+        activityLauncher =
+            registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result: ActivityResult ->
+                if (result.resultCode == RESULT_OK) {
+                    try {
+                        val task = GoogleSignIn.getSignedInAccountFromIntent(result.data)
+                        val account = task.result
+                    } catch (e: ApiException) {
+                        e.printStackTrace()
+                    }
+                }
+            }
     }
+
+    fun onLogin() = activityLauncher.launch(client.signInIntent)
 }