I want to show a little popup containing the information of the point clicked in a graph which uses AchartEngine for drawing graphs. I am currently showing the point information in a toast but the requirement is to show it near the point in the graph. Is there any such feature in the API or any suggestions how I can accomplish this task ? Thanks in advance.
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问题:
回答1:
The toast sounds like a good way to display information. Toast takes the x and y co-ordinate for it's placement which is kinda neat and what you need. The x/y co-ords are in pixels units in relation to the your screen's width/height px dimens.
You don't need a dialog popup, i believe. Unless you really need user confirmations like OK/Done or Cancel/Dismiss action buttons.
You can also look at fragments to use for your needs.
But i think toast is ideal for your needs. Your choice.
