You can create a Drawable or Bitmap from a string path like this:
String pathName = "/path/to/file/xxx.jpg";
Drawable d = Drawable.createFromPath(pathName);
For a Bitmap:
String pathName = "/path/to/file/xxx.jpg";
Bitmap b = BitmapFactory.decodeFile(pathName);
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…