@Retention(value=CLASS)
@Target(value=METHOD)
public @interface FocusChange
This annotation is intended to be used on methods to receive events defined
by
View.OnFocusChangeListener.onFocusChange(android.view.View, boolean)
after focus is changed on the targeted View or subclass of View.
The annotation value should be one or several R.id.* fields that refers to View or subclasses of View. If not set, the method name will be used as the R.id.* field name.
The method MAY have multiple parameter:
View
parameter to know which view has targeted
this eventboolean
to know the view has focus.Example :@FocusChange(R.id.myButton) void focusChangedOnMyButton(boolean isChecked, View button) { // Something Here } @FocusChange void myButtonFocusChanged(View button) { // Something Here } @FocusChange({R.id.myButton, R.id.myButton1}) void focusChangedOnSomeButtons(View button, boolean isChecked) { // Something Here } @FocusChange(R.id.myButton) void focusChangedOnMyButton() { // Something Here }
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