android 通过字符串来获取R下面资源的ID 值

方法一：try{ Field field=R.drawable.class.getField("icon"); int i= field.getInt(new R.drawable()); Log.d("icon",i+""); }catch(Exception e){ Log.e("icon",e.toString()); }方法二： Resources res=getResources(); int i=res.getIdentifier("icon","drawable",getPackageName());Log.i("res",Integer.toString(i));

获取drawable下的icon的值。