Latest revision as of 00:31, 27 September 2018

Set up

Get all packages based on pubspec.yaml.

$ flutter packages get
Running "flutter packages get" in a1...                      1.0s

runApp() function takes the given Widget and makes it the root of the widget tree. The following makes the Center widget the root.

void main() {
	runApp(
		Center: Text(
			'Hello, world!',
			textDirection: TextDirection.ltr
		)
	);
}

A widget's main job is to implement a build function, which describes the widget in terms of other, lower-level widgets.

@@ Line 1: / Line 1: @@
+= Set up =
 Get all packages based on <span class="package">pubspec.yaml</span>.
@@ Line 5: / Line 7: @@
 Running "flutter packages get" in a1...                      1.0s
 </source>
+= Programming Notes =
+''runApp()'' function takes the given Widget and makes it the root of the widget tree. The following makes the Center widget the root.
+<source lang="dart" highlight="3">
+void main() {
+	runApp(
+		Center: Text(
+			'Hello, world!',
+			textDirection: TextDirection.ltr
+		)
+	);
+}
+</source>
+A widget's main job is to implement a '''build''' function, which describes the widget in terms of other, lower-level widgets.