public void basicTaskHandlers()

in tasks/app/src/main/java/com/google/firebase/quickstart/tasks/MainActivity.java [51:106]
34 lines of code
3 McCabe index (conditional complexity)

    public void basicTaskHandlers() {
        // [START success_listener]
        task.addOnSuccessListener(new OnSuccessListener<AuthResult>() {
            @Override
            public void onSuccess(AuthResult authResult) {
                // Task completed successfully
                // ...
            }
        });
        // [END success_listener]

        // [START failure_listener]
        task.addOnFailureListener(new OnFailureListener() {
            @Override
            public void onFailure(@NonNull Exception e) {
                // Task failed with an exception
                // ...
            }
        });
        // [END failure_listener]

        // [START completion_listener]
        task.addOnCompleteListener(new OnCompleteListener<AuthResult>() {
            @Override
            public void onComplete(@NonNull Task<AuthResult> task) {
                if (task.isSuccessful()) {
                    // Task completed successfully
                    AuthResult result = task.getResult();
                } else {
                    // Task failed with an exception
                    Exception exception = task.getException();
                }
            }
        });
        // [END completion_listener]

        // [START listener_try_catch]
        Task<AuthResult> signInTask = FirebaseAuth.getInstance().signInWithEmailAndPassword(
                "email@example.com", "mypassword1234");
        signInTask.addOnCompleteListener(new OnCompleteListener<AuthResult>() {
            @Override
            public void onComplete(@NonNull Task<AuthResult> task) {
                try {
                    // Specific error information can be obtained by passing the expected
                    // exception type into getResult(). In this case we expect a
                    // FirebaseAuthException based on the documentation,
                    AuthResult authResult = task.getResult(FirebaseAuthException.class);
                } catch (FirebaseAuthException e) {
                    // Task failed with FirebaseAuthException, which provides specific error
                    // error information. such as the error code.
                    String errorCode = e.getErrorCode();
                }
            }
        });
        // [END listener_try_catch]
    }