Android???TextView???????????
???????????? ???????[ 2013/5/16 10:28:29 ] ????????
???????????????????????PhoneWindow?????????superDispatchKeyEvent???????????????????????Activity???????????????
????Step 8. PhoneWindow.superDispatchKeyEvent
????[java] view plaincopyprint?
????public class PhoneWindow extends Window implements MenuBuilder.Callback {
????......
????// This is the top-level view of the window?? containing the window decor.
????private DecorView mDecor;
????......
????@Override
????public boolean superDispatchKeyEvent(KeyEvent event) {
????return mDecor.superDispatchKeyEvent(event);
????}
????......
????}
????public class PhoneWindow extends Window implements MenuBuilder.Callback {
????......
????// This is the top-level view of the window?? containing the window decor.
????private DecorView mDecor;
????......
????@Override
????public boolean superDispatchKeyEvent(KeyEvent event) {
????return mDecor.superDispatchKeyEvent(event);
????}
????......
????}
????????????????????frameworks/base/policy/src/com/android/internal/policy/impl/PhoneWindow.java?С?
????PhoneWindow?????????mDecor??????????????????Activity????????????????PhoneWindow?????????superDispatchKeyEvent??????????????????DecorView???????????superDispatchKeyEvent?????????event????????????????
????Step 9. DecorView.superDispatchKeyEvent
????[java] view plaincopyprint?
????public class PhoneWindow extends Window implements MenuBuilder.Callback {
????......
????private final class DecorView extends FrameLayout implements RootViewSurfaceTaker {
????......
????public boolean superDispatchKeyEvent(KeyEvent event) {
????return super.dispatchKeyEvent(event);
????}
????......
????}
????......
????}
????public class PhoneWindow extends Window implements MenuBuilder.Callback {
????......
????private final class DecorView extends FrameLayout implements RootViewSurfaceTaker {
????......
????public boolean superDispatchKeyEvent(KeyEvent event) {
????return super.dispatchKeyEvent(event);
????}
????......
????}
????......
????}
????????????????????frameworks/base/policy/src/com/android/internal/policy/impl/PhoneWindow.java?С?
????DecorView?????????superDispatchKeyEvent????????????????????ViewGroup????????dispatchKeyEvent?????????event????????????????
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
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