Batch getting many bitmap resources on Android

I have a long series of graphics -- icon1_0.png, icon1_1.png, icon1_2.png..., icon12_0.png, icon12_1.png, icon12_2.png -- and I'd like to package them with my android application. Ideally I think I should be able to load them as resources but the resource id's are set up as java identifiers. Of course, java identifiers can't be assembled at runtime. I have to ask for R.drawable.icon12_00 开发者_运维技巧so I cannot set up a loop

for(int icon=0;icon<12;icon++)
 for(int frame=0;frame<3;frame++)
  //syntax error obviously
  BitmapFactory.decodeResource(getResources(), R.drawable."icon" + icon + "_" + frame + ".png");

So is there any way to get resources by their names? Better yet, is there a canonical way outside the resource system to pack data files into an android application package so that I can get at them?

I'm thinking about reflection but that doesn't seem like the right solution to me.

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Use getResources().getIdentifier() from your Context (e.g., Activity), but please cache the result if you will use it more than once. getIdentifier() is implemented on Resources.

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I know you've found an answer already, but if you use reflection then you will see a good speed increase, as getIdentifier() is slower. I wrote about how to do the reflection method here. However, this only works if you're accessing your own resources.

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Reflection is also very slow, you should just create an array with all of your identifies in it.