1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.example.android.autofill.app.commoncases; 17 18 import android.content.Context; 19 import android.content.Intent; 20 import android.os.Bundle; 21 import android.support.v7.app.AppCompatActivity; 22 import android.view.View; 23 import android.view.autofill.AutofillManager; 24 import android.widget.EditText; 25 import android.widget.Toast; 26 27 import com.example.android.autofill.app.R; 28 import com.example.android.autofill.app.WelcomeActivity; 29 30 public class StandardSignInActivity extends AppCompatActivity { 31 32 private EditText mUsernameEditText; 33 private EditText mPasswordEditText; 34 35 @Override 36 protected void onCreate(Bundle savedInstanceState) { 37 super.onCreate(savedInstanceState); 38 39 setContentView(R.layout.login_activity); 40 mUsernameEditText = findViewById(R.id.usernameField); 41 mPasswordEditText = findViewById(R.id.passwordField); 42 findViewById(R.id.login).setOnClickListener(new View.OnClickListener() { 43 @Override 44 public void onClick(View v) { 45 login(); 46 } 47 }); 48 findViewById(R.id.clear).setOnClickListener(new View.OnClickListener() { 49 @Override 50 public void onClick(View v) { 51 AutofillManager afm = getSystemService(AutofillManager.class); 52 if (afm != null) { 53 afm.cancel(); 54 } 55 resetFields(); 56 } 57 }); 58 } 59 60 private void resetFields() { 61 mUsernameEditText.setText(""); 62 mPasswordEditText.setText(""); 63 } 64 65 /** 66 * Emulates a login action. 67 */ 68 private void login() { 69 String username = mUsernameEditText.getText().toString(); 70 String password = mPasswordEditText.getText().toString(); 71 boolean valid = isValidCredentials(username, password); 72 if (valid) { 73 Intent intent = WelcomeActivity.getStartActivityIntent(StandardSignInActivity.this); 74 startActivity(intent); 75 finish(); 76 } else { 77 Toast.makeText(this, "Authentication failed.", Toast.LENGTH_SHORT).show(); 78 } 79 } 80 81 /** 82 * Dummy implementation for demo purposes. A real service should use secure mechanisms to 83 * authenticate users. 84 */ 85 public boolean isValidCredentials(String username, String password) { 86 return username != null && password != null && username.equalsIgnoreCase(password); 87 } 88 } 89