本文整理匯總了Java中android.view.KeyEvent.DispatcherState方法的典型用法代碼示例。如果您正苦於以下問題：Java KeyEvent.DispatcherState方法的具體用法？Java KeyEvent.DispatcherState怎麽用？Java KeyEvent.DispatcherState使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類android.view.KeyEvent的用法示例。
在下文中一共展示了KeyEvent.DispatcherState方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: dispatchKeyEvent
import android.view.KeyEvent; //導入方法依賴的package包/類
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
// To intercept hardware key, a view must have focus.
if (mDelegate == null) return super.dispatchKeyEvent(event);
if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
KeyEvent.DispatcherState state = getKeyDispatcherState();
if (state != null) {
if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) {
state.startTracking(event, this);
return true;
} else if (event.getAction() == KeyEvent.ACTION_UP && !event.isCanceled()
&& state.isTracking(event)) {
onBackPressed();
return true;
}
}
}
return super.dispatchKeyEvent(event);
}