| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.example.android.autofillframework.app; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.support.v7.app.AppCompatActivity; |
| import android.view.View; |
| import android.widget.Button; |
| import android.widget.EditText; |
| import android.widget.Toast; |
| |
| import com.example.android.autofillframework.R; |
| |
| public class LoginActivity extends AppCompatActivity { |
| |
| private EditText mUsernameEditText; |
| private EditText mPasswordEditText; |
| private Button mLoginButton; |
| private Button mClearButton; |
| |
| public static Intent getStartActivityIntent(Context context) { |
| Intent intent = new Intent(context, LoginActivity.class); |
| return intent; |
| } |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| setContentView(R.layout.login_activity); |
| |
| mLoginButton = (Button) findViewById(R.id.login); |
| mClearButton = (Button) findViewById(R.id.clear); |
| mUsernameEditText = (EditText) findViewById(R.id.usernameField); |
| mPasswordEditText = (EditText) findViewById(R.id.passwordField); |
| mLoginButton.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| login(); |
| } |
| }); |
| mClearButton.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| resetFields(); |
| } |
| }); |
| } |
| |
| private void resetFields() { |
| mUsernameEditText.setText(""); |
| mPasswordEditText.setText(""); |
| } |
| |
| /** |
| * Emulates a login action. |
| */ |
| private void login() { |
| String username = mUsernameEditText.getText().toString(); |
| String password = mPasswordEditText.getText().toString(); |
| boolean valid = isValidCredentials(username, password); |
| if (valid) { |
| Intent intent = WelcomeActivity.getStartActivityIntent(LoginActivity.this); |
| startActivity(intent); |
| finish(); |
| } else { |
| Toast.makeText(this, "Authentication failed.", Toast.LENGTH_SHORT).show(); |
| } |
| } |
| |
| /** |
| * Dummy implementation for demo purposes. A real service should use secure mechanisms to |
| * authenticate users. |
| */ |
| public boolean isValidCredentials(String username, String password) { |
| return username != null && password != null && username.equals(password); |
| } |
| } |