How to set an imageView’s image from a string?

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if you have the image in the drawable folder you are going about this the wrong way.

try something like this

Resources res = getResources();
String mDrawableName = "logo_default";
int resID = res.getIdentifier(mDrawableName , "drawable", getPackageName());
Drawable drawable = res.getDrawable(resID );
icon.setImageDrawable(drawable );

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