Migrate TextTheme to 2018 APIs (flutter#48547)

Author: HansMuller

dev/benchmarks/complex_layout/lib/main.dart

@@ -363,7 +363,7 @@ class UserHeader extends StatelessWidget {
               crossAxisAlignment: CrossAxisAlignment.stretch,
               children: <Widget>[
                 RichText(text: TextSpan(
-                  style: Theme.of(context).textTheme.body1,
+                  style: Theme.of(context).textTheme.bodyText2,
                   children: <TextSpan>[
                     TextSpan(text: userName, style: const TextStyle(fontWeight: FontWeight.bold)),
                     const TextSpan(text: ' shared a new '),
@@ -462,8 +462,8 @@ class ItemImageBox extends StatelessWidget {
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.stretch,
                 children: <Widget>[
-                  Text('Artisans of Southern India', style: Theme.of(context).textTheme.body2),
-                  Text('Silk Spinners', style: Theme.of(context).textTheme.body1),
+                  Text('Artisans of Southern India', style: Theme.of(context).textTheme.bodyText1),
+                  Text('Silk Spinners', style: Theme.of(context).textTheme.bodyText2),
                   Text('Sivaganga, Tamil Nadu', style: Theme.of(context).textTheme.caption),
                 ],
               ),
@@ -506,7 +506,7 @@ class ItemGalleryBox extends StatelessWidget {
                               child: Container(
                                 color: Theme.of(context).primaryColor,
                                 child: Center(
-                                  child: Text(tabName, style: Theme.of(context).textTheme.headline.copyWith(color: Colors.white)),
+                                  child: Text(tabName, style: Theme.of(context).textTheme.headline5.copyWith(color: Colors.white)),
                                 ),
                               ),
                             ),

dev/integration_tests/android_splash_screens/splash_screen_kitchen_sink/lib/main.dart

@@ -100,7 +100,7 @@ class _MyHomePageState extends State<MyHomePage> {
             ),
             Text(
               '$_counter',
-              style: Theme.of(context).textTheme.display1,
+              style: Theme.of(context).textTheme.headline4,
             ),
           ],
         ),

dev/integration_tests/android_splash_screens/splash_screen_load_rotate/lib/main.dart

@@ -100,7 +100,7 @@ class _MyHomePageState extends State<MyHomePage> {
             ),
             Text(
               '$_counter',
-              style: Theme.of(context).textTheme.display1,
+              style: Theme.of(context).textTheme.headline4,
             ),
           ],
         ),

dev/integration_tests/android_splash_screens/splash_screen_trans_rotate/lib/main.dart

@@ -100,7 +100,7 @@ class _MyHomePageState extends State<MyHomePage> {
             ),
             Text(
               '$_counter',
-              style: Theme.of(context).textTheme.display1,
+              style: Theme.of(context).textTheme.headline4,
             ),
           ],
         ),

dev/manual_tests/lib/actions.dart

@@ -446,7 +446,7 @@ class _FocusDemoState extends State<FocusDemo> {
             debugLabel: 'Scope',
             autofocus: true,
             child: DefaultTextStyle(
-              style: textTheme.display1,
+              style: textTheme.headline4,
               child: Scaffold(
                 appBar: AppBar(
                   title: const Text('Actions Demo'),

dev/manual_tests/lib/card_collection.dart

@@ -240,7 +240,7 @@ class CardCollectionState extends State<CardCollection> {
         padding: const EdgeInsets.only(left: 72.0),
         height: 128.0,
         alignment: const Alignment(-1.0, 0.5),
-        child: Text('Swipe Away: ${_cardModels.length}', style: Theme.of(context).primaryTextTheme.title),
+        child: Text('Swipe Away: ${_cardModels.length}', style: Theme.of(context).primaryTextTheme.headline6),
       ),
     );
   }
@@ -305,7 +305,7 @@ class CardCollectionState extends State<CardCollection> {
       rightArrowIcon = Opacity(opacity: 0.1, child: rightArrowIcon);
 
     final ThemeData theme = Theme.of(context);
-    final TextStyle backgroundTextStyle = theme.primaryTextTheme.title;
+    final TextStyle backgroundTextStyle = theme.primaryTextTheme.headline6;
 
     // The background Widget appears behind the Dismissible card when the card
     // moves to the left or right. The Positioned widget ensures that the

dev/manual_tests/lib/drag_and_drop.dart

@@ -100,7 +100,7 @@ class ExampleDragSource extends StatelessWidget {
       size *= kHeavyMultiplier;
 
     final Widget contents = DefaultTextStyle(
-      style: Theme.of(context).textTheme.body1,
+      style: Theme.of(context).textTheme.bodyText2,
       textAlign: TextAlign.center,
       child: Dot(
         color: color,
@@ -188,7 +188,7 @@ class MovableBall extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final Widget ball = DefaultTextStyle(
-      style: Theme.of(context).primaryTextTheme.body1,
+      style: Theme.of(context).primaryTextTheme.bodyText2,
       textAlign: TextAlign.center,
       child: Dot(
         key: kBallKey,

dev/manual_tests/lib/focus.dart

@@ -149,7 +149,7 @@ class _FocusDemoState extends State<FocusDemo> {
         onKey: _handleKeyPress,
         autofocus: true,
         child: DefaultTextStyle(
-          style: textTheme.display1,
+          style: textTheme.headline4,
           child: Scaffold(
             appBar: AppBar(
               title: const Text('Focus Demo'),

dev/manual_tests/lib/hover.dart

@@ -56,7 +56,7 @@ class _HoverDemoState extends State<HoverDemo> {
     final TextTheme textTheme = Theme.of(context).textTheme;
 
     return DefaultTextStyle(
-      style: textTheme.display1,
+      style: textTheme.headline4,
       child: Scaffold(
         appBar: AppBar(
           title: const Text('Hover Demo'),

dev/manual_tests/lib/raw_keyboard.dart

@@ -79,12 +79,12 @@ class _HardwareKeyDemoState extends State<RawKeyboardDemo> {
               onTap: () {
                 _focusNode.requestFocus();
               },
-              child: Text('Tap to focus', style: textTheme.display1),
+              child: Text('Tap to focus', style: textTheme.headline4),
             );
           }
 
           if (_event == null) {
-            return Text('Press a key', style: textTheme.display1);
+            return Text('Press a key', style: textTheme.headline4);
           }
 
           final RawKeyEventData data = _event.data;
@@ -137,7 +137,7 @@ class _HardwareKeyDemoState extends State<RawKeyboardDemo> {
             }
           }
           return DefaultTextStyle(
-            style: textTheme.subhead,
+            style: textTheme.subtitle1,
             child: Column(
               mainAxisAlignment: MainAxisAlignment.center,
               children: dataText,