Merge branch '40-improve-graph-demo' into 'master'

Resolve "Improve graph demo"

Closes #40

See merge request !38

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=1.0.29
-app.versionCode=30
+app.versionName=1.0.30
+app.versionCode=31

lib/ui/painters/graph_painter.dart

@@ -8,7 +8,7 @@ class GraphPainter extends CustomPainter {
   const GraphPainter();
 
   double random(double max) {
-    return 0.1 * max + Random().nextDouble() * max * 0.8;
+    return 0.05 * max + Random().nextDouble() * max * 0.9;
   }
 
   Color getRandomColor() {
@@ -17,6 +17,10 @@ class GraphPainter extends CustomPainter {
       AppColors.contentColorGreen,
       AppColors.contentColorOrange,
       AppColors.contentColorPurple,
+      AppColors.contentColorYellow,
+      AppColors.contentColorPink,
+      AppColors.contentColorWhite,
+      AppColors.mainTextColor3,
     ];
 
     return availableColors[Random().nextInt(availableColors.length)];
@@ -35,15 +39,18 @@ class GraphPainter extends CustomPainter {
     // Draw some lines
     Paint paintLine = Paint();
     paintLine.style = PaintingStyle.fill;
-    paintLine.strokeWidth = 2.0;
 
-    int linesCount = 300;
+    int linesCount = 20;
     for (int i = 0; i < linesCount; i++) {
       paintLine.color = getRandomColor();
+      paintLine.strokeWidth = Random().nextDouble() * 4 + 2;
 
       Offset lineStart = Offset(random(size.width), random(size.height));
       Offset lineStop = Offset(random(size.width), random(size.height));
+
       canvas.drawLine(lineStart, lineStop, paintLine);
+      canvas.drawCircle(lineStart, 8, paintLine);
+      canvas.drawCircle(lineStop, 8, paintLine);
     }
   }
 

pubspec.yaml

@@ -3,7 +3,7 @@ description: A random application, for testing purpose only.
 
 publish_to: 'none'
 
-version: 1.0.29+30
+version: 1.0.30+31
 
 environment:
   sdk: '^3.0.0'