1 /*
2  * Copyright (C) 2013 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.android.transitiontests;
17 
18 import android.app.Activity;
19 import android.os.Bundle;
20 import android.view.View;
21 import android.view.ViewGroup;
22 import android.transition.Scene;
23 import android.widget.TextView;
24 import android.transition.Fade;
25 import android.transition.Recolor;
26 import android.transition.Slide;
27 import android.transition.Transition;
28 import android.transition.TransitionSet;
29 import android.transition.TransitionManager;
30 
31 
32 public class LoginActivity extends Activity {
33     ViewGroup mSceneRoot;
34     Scene mCurrentScene;
35     TransitionManager mTransitionManager;
36     Scene mLoginScene, mPasswordScene, mIncorrectPasswordScene, mSuccessScene, mUsernameTakenScene,
37             mNewUserScene;
38 
39     @Override
onCreate(Bundle savedInstanceState)40     public void onCreate(Bundle savedInstanceState) {
41         super.onCreate(savedInstanceState);
42         setContentView(R.layout.activity_login);
43         View container = (View) findViewById(R.id.container);
44         mSceneRoot = (ViewGroup) container.getParent();
45 
46         mLoginScene = Scene.getSceneForLayout(mSceneRoot, R.layout.activity_login, this);
47         mPasswordScene = Scene.getSceneForLayout(mSceneRoot, R.layout.login_password, this);
48         mIncorrectPasswordScene = Scene.getSceneForLayout(mSceneRoot, R.layout.incorrect_password, this);
49         mUsernameTakenScene = Scene.getSceneForLayout(mSceneRoot, R.layout.username_taken, this);
50         mSuccessScene = Scene.getSceneForLayout(mSceneRoot, R.layout.success, this);
51         mNewUserScene = Scene.getSceneForLayout(mSceneRoot, R.layout.new_user, this);
52 
53         mTransitionManager = new TransitionManager();
54 
55         // Custom transitions in/out of NewUser screen - slide in the 2nd password UI
56         TransitionSet slider = new TransitionSet();
57         slider.addTransition(new Slide().addTarget(R.id.retype).addTarget(R.id.retypeEdit));
58         slider.addTransition(new Recolor().addTarget(R.id.password).
59                 addTarget(R.id.passwordEdit));
60         slider.addTransition(new Fade());
61         mTransitionManager.setTransition(mLoginScene, mNewUserScene, slider);
62         mTransitionManager.setTransition(mPasswordScene, mNewUserScene, slider);
63         mTransitionManager.setTransition(mNewUserScene, mLoginScene, slider);
64         mTransitionManager.setTransition(mNewUserScene, mPasswordScene, slider);
65 
66         // Custom transitions with recoloring password field
67         Transition colorizer = new Recolor().addTarget(R.id.password).
68                 addTarget(R.id.passwordEdit);
69         mTransitionManager.setTransition(mLoginScene, mPasswordScene, colorizer);
70         mTransitionManager.setTransition(mPasswordScene, mLoginScene, colorizer);
71 
72         mCurrentScene = mLoginScene;
73     }
74 
applyScene(Scene scene)75     public void applyScene(Scene scene) {
76         mTransitionManager.transitionTo(scene);
77         mCurrentScene = scene;
78     }
79 
sendMessage(View view)80     public void sendMessage(View view) {
81         TextView textView = (TextView) view;
82         CharSequence text = textView.getText();
83         if (text.equals("Cancel")) {
84             applyScene(mLoginScene);
85         } else if (text.equals("Submit")) {
86             if (mCurrentScene == mLoginScene) {
87                 applyScene(mPasswordScene);
88             } else if (mCurrentScene == mPasswordScene) {
89                 applyScene(Math.random() < .5 ? mSuccessScene : mIncorrectPasswordScene);
90             } else if (mCurrentScene == mNewUserScene) {
91                 applyScene(Math.random() < .5 ? mSuccessScene : mUsernameTakenScene);
92             }
93         } else if (text.equals("New User?")) {
94             applyScene(mNewUserScene);
95         } else if (text.equals("Okay")) {
96             if (mCurrentScene == mIncorrectPasswordScene) {
97                 applyScene(mPasswordScene);
98             } else { // username taken scene
99                 applyScene(mNewUserScene);
100             }
101         } else if (text.equals("Reset")) {
102             applyScene(mLoginScene);
103         }
104     }
105 }
106