Add minimal gameplay

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.20
-app.versionCode=20
+app.versionName=0.0.21
+app.versionCode=21

lib/screens/game_pick_word.dart

@@ -12,6 +12,10 @@ class GamePickWordPage extends StatelessWidget {
     await pickData(context, myProvider);
   }
 
+  Future<void> nextWord(BuildContext context, Data myProvider) async {
+    await pickData(context, myProvider);
+  }
+
   Future<void> pickData(BuildContext context, Data myProvider) async {
     List words;
     List images;
@@ -48,6 +52,12 @@ class GamePickWordPage extends StatelessWidget {
     }
   }
 
+  Future<void> checkWord(BuildContext context, Data myProvider, word) async {
+    if (myProvider.word == word) {
+      nextWord(context, myProvider);
+    }
+  }
+
   Container _buildImageContainer(String image, Color color) {
     String imageAsset = 'assets/placeholder.png';
     if (image != null) {
@@ -67,7 +77,7 @@ class GamePickWordPage extends StatelessWidget {
     Color color = Colors.black;
 
     if ((images == null) || (images.length != _count)) {
-      images = List(_count);
+      return Column();
     }
 
     return Column(
@@ -94,7 +104,7 @@ class GamePickWordPage extends StatelessWidget {
     );
   }
 
-  Container _buildTextContainer(String word, Color color) {
+  Container _buildTextContainer(BuildContext context, Data myProvider, String word, Color color) {
     return Container(
       child: RaisedButton(
         color: Colors.green,
@@ -107,14 +117,18 @@ class GamePickWordPage extends StatelessWidget {
             color: color,
           ),
         ),
-        onPressed: () { print("button text: " + word); },
+        onPressed: () { checkWord(context, myProvider, word); },
       ),
     );
   }
 
-  Column _buildTextItemsBlock(String word, List otherWords) {
+  Column _buildTextItemsBlock(BuildContext context, Data myProvider, String word, List otherWords) {
     Color color = Colors.white;
 
+    if ((word == null) || (otherWords.length != (_count - 1))) {
+      return Column();
+    }
+
     List words = [
       word,
       otherWords.length > 0 ? otherWords[0] : null,
@@ -132,9 +146,9 @@ class GamePickWordPage extends StatelessWidget {
           mainAxisSize: MainAxisSize.min,
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            _buildTextContainer(words[0], color),
+            _buildTextContainer(context, myProvider, words[0], color),
             SizedBox(width: 10),
-            _buildTextContainer(words[1], color),
+            _buildTextContainer(context, myProvider, words[1], color),
           ],
         ),
         SizedBox(height: 10),
@@ -142,15 +156,39 @@ class GamePickWordPage extends StatelessWidget {
           mainAxisSize: MainAxisSize.min,
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            _buildTextContainer(words[2], color),
+            _buildTextContainer(context, myProvider, words[2], color),
             SizedBox(width: 10),
-            _buildTextContainer(words[3], color),
+            _buildTextContainer(context, myProvider, words[3], color),
           ],
         )
       ],
     );
   }
 
+  Row _buildStartGameButton(BuildContext context, Data myProvider) {
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        Container(
+          child: RaisedButton(
+            color: Colors.orange,
+            padding: EdgeInsets.all(35),
+            child: Text(
+              "🔀",
+              style: TextStyle(
+                fontSize: 60,
+                fontWeight: FontWeight.w600,
+                color: Colors.black,
+              ),
+            ),
+            onPressed: () => startGame(context, myProvider),
+          ),
+        )
+      ],
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     Data _myProvider = Provider.of<Data>(context);
@@ -167,20 +205,10 @@ class GamePickWordPage extends StatelessWidget {
           mainAxisSize: MainAxisSize.max,
           children: <Widget>[
             _buildImageItemsBlock(_myProvider.images),
-            SizedBox(height: 10),
-            FlatButton(
-              onPressed: () => startGame(context, _myProvider),
-              color: Colors.orange,
-              padding: EdgeInsets.all(10.0),
-              child: Row(
-                children: <Widget>[
-                  Icon(Icons.shuffle),
-                  Text("Nouveau mot")
-                ],
-              ),
-            ),
-            SizedBox(height: 10),
-            _buildTextItemsBlock(_myProvider.word, _myProvider.otherWords),
+            ((_myProvider.word == null) || (_myProvider.word == '')) ?
+            _buildStartGameButton(context, _myProvider) :
+            SizedBox(height: 15),
+            _buildTextItemsBlock(context, _myProvider, _myProvider.word, _myProvider.otherWords),
           ],
         ),
       ),

lib/screens/home.dart

@@ -22,7 +22,7 @@ class Home extends StatelessWidget {
               color: Colors.green,
               padding: EdgeInsets.all(15),
               child: Text(
-                '🧑',
+                '🖼️ ➡️ 💬',
                 style: Theme.of(context)
                     .textTheme
                     .display1

lib/utils/get_image_from_word.dart

@@ -23,7 +23,7 @@ class RandomPickImage {
     }
 
     // Check we have enough images
-    if (imageList.length < count) {
+    if ((imageList == null) || (imageList.length < count)) {
       print('Not enough images in list for word "'+word+'".');
     }