Get resources images from variable

Issue

I have a class called Monster.class which contains String type variables.

Another class MonsterAdapter.class use the getters to get the values and set on MyGridView.

It works fine but only if I set the image manual like this:

imageView.setImageResource(R.drawable.a1);

(a1 is the name of the image)

If I try to use this:

final Monster m = monsters[position];
    String variableValue = m.getImg();
    imageView.setImageResource(getResources().getIdentifier(variableValue, "drawable", getPackageName()));

It says can't not resolve method "getResources()" and "getPackageName()" and I only can import static method which throws error:

ERROR

Solution

You can define Context inner class MonsterAdapter

public class MonsterAdapter extends BaseAdapter{
 Context mContext;
 public MonsterAdapter(Context context, ...){
  this.mContext = context;
  ...
 }
}

then you can use

imageView.setImageResource(mContext.getResources().getIdentifier(variableValue, "drawable", getPackageName()));

Answered By - nhonnq