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androidandroid-resourcesandroid-drawable

Get drawable by string

I parse image name by json, and now for displaying I would have to get the drawable id by the image name so I can do this:

background.setBackgroundResource(R.drawable.eventimage1);

When I get the image name the format is like this: 

image_ev1.png
Solution

  • Use this function to get a drawable when you have the image name. Note that the image name does not include the file extension.

    public static Drawable GetImage(Context c, String ImageName) {
        return c.getResources().getDrawable(c.getResources().getIdentifier(ImageName, "drawable", c.getPackageName()));
}

    then just use setBackgroundDrawable method.

    If you only want the ID, leave out the getDrawable part i.e.

    return c.getResources().getIdentifier(ImageName, "drawable", c.getPackageName());