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firebase #351

@dprasetyo

Description

@dprasetyo

Error:Execution failed for task ':app:transformClassesWithDexForDebug'.

com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.dex.DexException: Multiple dex files define Lcom/google/android/gms/internal/zzbth;

initFirebase();
ButterKnife.bind(this);
loggedIn = isLoggedIn();
if (loggedIn) {
// go to home
goToHome();
}
}

private void initFirebase() { firebaseAuth = FirebaseAuth.getInstance(); } private void goToHome() { Intent intent = new Intent(this, home.class); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); startActivity(intent); } @OnClick({R.id.button_login_activity_main, R.id.button_sign_up_activity_main}) public void onClick(Button button) { switch (button.getId()) { case R.id.button_login_activity_main: String username = editTextUsername.getText().toString().trim(); String password = editTextPassword.getText().toString().trim(); login(username, password); break; case R.id.button_sign_up_activity_main: // go to form pendaftaran startActivity(new Intent(this, SignupActivity.class)); break; } } private void login(final String username, final String password) { if (TextUtils.isEmpty(username)) { Snackbar.make(findViewById(android.R.id.content), R.string.error_message_username_empty, Snackbar.LENGTH_LONG) .show(); } else if (TextUtils.isEmpty(password)) { Snackbar.make(findViewById(android.R.id.content), R.string.error_message_password_empty, Snackbar.LENGTH_LONG) .show(); } else { // do login showProgress(); firebaseAuth.signInWithEmailAndPassword(username, password) .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() { @Override public void onComplete(@NonNull Task<AuthResult> task) { hideProgress(); if (task.isSuccessful()) { // login sucess // go to dashboard goToHome(); } else { // login failed showMessageBox("Login failed. Your username and password is not matched"); } } }); } } private void hideProgress() { relativeLayoutProgress.setVisibility(View.GONE); editTextUsername.setEnabled(true); editTextPassword.setEnabled(true); } private void showProgress() { relativeLayoutProgress.setVisibility(View.VISIBLE); editTextUsername.setEnabled(false); editTextPassword.setEnabled(false); } private void showMessageBox(String message) { AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this); alertDialogBuilder.setTitle("Login"); alertDialogBuilder.setMessage(message); alertDialogBuilder.setCancelable(false); alertDialogBuilder.setPositiveButton("OK", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { dialogInterface.dismiss(); } }); alertDialogBuilder.show(); } public boolean isLoggedIn() { if (firebaseAuth.getCurrentUser() != null) { // user logged in return true; } else { return false; } } 

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