I\'m fairly new to Android and have been toying around with Canvas. I\'m attempting to draw an arrow but I\'m only having luck with drawing the shaft, none of the arrowhead is working.
I\'m doing a GPS tracking app. Every time it receives a Latitude/Longitude it converts it to (x,y) coordinates and calls drawRect to draw a line between two (x,y) pairs.
I have a MapImageViewer Activity class that has methods for checking the phones gps location. This activity then calls a custom view of mine called MapCanvas - where the constructor takes the latitude
I am working on a Box2d Edit开发者_运维技巧or for iOS, using cocos2d. I wrapped b2World into my own World class. I want to implement my own draw functionality. Since I will be drawing higher level cl
I am new to android and i\'ve just been looking into the canvas API. I currently have an activity class called \"MyMap\" and a ViewClass called \"MapView\" (which extends view).
how to extend this code: ListView in vsReport mode colouring of Items and rows to draw small icons? and why do I have the error \'List index out of bounds (2)\' if I have 3 columns?
can any one there help me to draw a rectangle on the Image View which is set as background of image whose size is bigger than emulator size(So it has horizontal and vertical scroll bar)开发者_如何学Py
I want to draw the lines between 2 JScrollPanes (first scroll pane on the left side, second on the right). These JScrollPanes contain images. I want to draw lines between these 2 images (use some laye
Enable Autosize of columns and enable OwnerDraw for a List View. Then add a code below from HERE: procedure TForm1.ListView1DrawItem(Sender: TCustomListView; Item: TListItem;
I\'m working with random graphs (created with nx.开发者_如何学运维gnm_random_graph()). The only neat way to lay these out is with a circular layout. Networkx provides at least two equivalent ways to d