Android obtainStyledAttributes

gistfile1.xml

public MyWidget(Context context, AttributeSet attrs, int defStyle) {
  TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.MyWidget, defStyle);

  // read attribute values
  boolean userBoolAttr = a.getBoolean(R.styleable.bool_attr, false);
  int userIntAttr = a.getInteger(R.styleable.int_attr, 0);

  // do something with these values
  // ...
}