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      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.transition.TransitionInflater;
     24 import android.widget.TextView;
     25 import android.transition.TransitionManager;
     26 
     27 
     28 public class LoginActivityFromResources extends Activity {
     29     ViewGroup mSceneRoot;
     30     Scene mCurrentScene;
     31     TransitionManager mTransitionManager = null;
     32     Scene mLoginScene, mPasswordScene, mIncorrectPasswordScene, mSuccessScene, mUsernameTakenScene,
     33             mNewUserScene;
     34 
     35     @Override
     36     public void onCreate(Bundle savedInstanceState) {
     37         super.onCreate(savedInstanceState);
     38         setContentView(R.layout.activity_login);
     39         View container = findViewById(R.id.container);
     40         mSceneRoot = (ViewGroup) container.getParent();
     41 
     42     }
     43 
     44     public void applyScene(Scene scene) {
     45         mTransitionManager.transitionTo(scene);
     46         mCurrentScene = scene;
     47     }
     48 
     49     public void sendMessage(View view) {
     50         if (mTransitionManager == null) {
     51             TransitionInflater inflater = TransitionInflater.from(this);
     52 
     53             mLoginScene = Scene.getSceneForLayout(mSceneRoot, R.layout.activity_login, this);
     54             mPasswordScene = Scene.getSceneForLayout(mSceneRoot, R.layout.login_password, this);
     55             mIncorrectPasswordScene = Scene.getSceneForLayout(mSceneRoot, R.layout
     56                     .incorrect_password, this);
     57             mUsernameTakenScene = Scene.getSceneForLayout(mSceneRoot, R.layout.username_taken, this);
     58             mSuccessScene = Scene.getSceneForLayout(mSceneRoot, R.layout.success, this);
     59             mNewUserScene = Scene.getSceneForLayout(mSceneRoot, R.layout.new_user, this);
     60 
     61             mTransitionManager =
     62                     inflater.inflateTransitionManager(R.transition.login_transition_mgr,
     63                             mSceneRoot);
     64 
     65             mCurrentScene = mLoginScene;
     66         }
     67         TextView textView = (TextView) view;
     68         CharSequence text = textView.getText();
     69         if (text.equals("Cancel")) {
     70             applyScene(mLoginScene);
     71         } else if (text.equals("Submit")) {
     72             if (mCurrentScene == mLoginScene) {
     73                 applyScene(mPasswordScene);
     74             } else if (mCurrentScene == mPasswordScene) {
     75                 applyScene(Math.random() < .5 ? mSuccessScene : mIncorrectPasswordScene);
     76             } else if (mCurrentScene == mNewUserScene) {
     77                 applyScene(Math.random() < .5 ? mSuccessScene : mUsernameTakenScene);
     78             }
     79         } else if (text.equals("New User?")) {
     80             applyScene(mNewUserScene);
     81         } else if (text.equals("Okay")) {
     82             if (mCurrentScene == mIncorrectPasswordScene) {
     83                 applyScene(mPasswordScene);
     84             } else { // username taken scene
     85                 applyScene(mNewUserScene);
     86             }
     87         } else if (text.equals("Reset")) {
     88             applyScene(mLoginScene);
     89         }
     90     }
     91 }
     92