// Retrieve a style attribute value from a theme TypedArray typedArray = getContext().obtainStyledAttributes(R.style.MyTheme, new int[] {android.R.attr.colorPrimary}); // Extract the colorPrimary value int color = typedArray.getColor(0, Color.BLACK); // Release resources typedArray.recycle();
// Retrieve a custom attribute value from a view TypedArray typedArray = getContext().obtainStyledAttributes(attrs, R.styleable.MyCustomView, 0, 0); // Extract the custom attribute value int custom = typedArray.getResourceId(R.styleable.MyCustomView_my_custom_attr, 0); // Release resources typedArray.recycle();In this example, the TypedArray library is used to obtain a custom attribute value from a view. The method takes an AttributeSet object, an array of attribute ids, and two style parameters. Overall, the java android.content.res TypedArray package is an essential tool for working with resources and themes on Android systems. This library allows developers to access various attributes in a type-safe and efficient manner.