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102 changes: 102 additions & 0 deletions
102
app/src/main/java/com/example/todo_app/LoginActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package com.example.todo_app; | ||
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| import androidx.activity.result.ActivityResult; | ||
| import androidx.activity.result.ActivityResultCallback; | ||
| import androidx.activity.result.ActivityResultLauncher; | ||
| import androidx.activity.result.contract.ActivityResultContracts; | ||
| import androidx.appcompat.app.AppCompatActivity; | ||
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| import android.app.Activity; | ||
| import android.content.Intent; | ||
| import android.net.Uri; | ||
| import android.os.Bundle; | ||
| import android.os.Handler; | ||
| import android.util.Log; | ||
| import android.view.View; | ||
| import android.widget.Button; | ||
| import android.widget.Toast; | ||
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| 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.GoogleSignInClient; | ||
| import com.google.android.gms.auth.api.signin.GoogleSignInOptions; | ||
| import com.google.android.gms.common.SignInButton; | ||
| import com.google.android.gms.common.api.ApiException; | ||
| import com.google.android.gms.tasks.Task; | ||
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| public class LoginActivity extends AppCompatActivity { | ||
| GoogleSignInClient mGoogleSignInClient; | ||
| Button signInButton; | ||
| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.loginactivity); | ||
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| GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN) | ||
| .requestEmail() | ||
| .build(); | ||
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| mGoogleSignInClient = GoogleSignIn.getClient(this,gso); | ||
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| GoogleSignInAccount account = GoogleSignIn.getLastSignedInAccount(this); | ||
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| signInButton = findViewById(R.id.Loginbutton); | ||
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| signInButton.setOnClickListener(new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View v) { | ||
| Intent signInIntent = mGoogleSignInClient.getSignInIntent(); | ||
| startactivityresult.launch(signInIntent); | ||
| } | ||
| }); | ||
| } | ||
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| public void updateUI(GoogleSignInAccount account){ | ||
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| Button signoutButton=findViewById(R.id.sign_out_button); | ||
| if(account!=null){ | ||
| String personName = account.getDisplayName(); | ||
| String personGivenName = account.getGivenName(); | ||
| String personFamilyName = account.getFamilyName(); | ||
| String personEmail = account.getEmail(); | ||
| String personId = account.getId(); | ||
| Uri personPhoto = account.getPhotoUrl(); | ||
| final Intent i=new Intent(LoginActivity.this,MainActivity.class); | ||
| startActivity(i); | ||
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| } | ||
| else{ | ||
| Toast.makeText(this, "log in failed! try again", Toast.LENGTH_SHORT).show(); | ||
| } | ||
| } | ||
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| ActivityResultLauncher<Intent> startactivityresult=registerForActivityResult( | ||
| new ActivityResultContracts.StartActivityForResult(), | ||
| new ActivityResultCallback<ActivityResult>() { | ||
| @Override | ||
| public void onActivityResult(ActivityResult result) { | ||
| if(result.getResultCode()== Activity.RESULT_OK){ | ||
| Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(result.getData()); | ||
| handleSignInResult(task); | ||
| } | ||
| } | ||
| } | ||
| ); | ||
|
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| private void handleSignInResult(Task<GoogleSignInAccount> completedTask) { | ||
| try { | ||
| GoogleSignInAccount account = completedTask.getResult(ApiException.class); | ||
| updateUI(account); | ||
| // Signed in successfully, show authenticated UI. | ||
| Toast.makeText(this, "Congratulations ! successfully signed in.", Toast.LENGTH_SHORT).show(); | ||
|
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| } catch (ApiException e) { | ||
| // The ApiException status code indicates the detailed failure reason. | ||
| // Please refer to the GoogleSignInStatusCodes class reference for more information. | ||
| Log.d("GOOGLE ERROR",e.getMessage()); | ||
| } | ||
| } | ||
| } |
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