#Android KeyEvent.KEYCODE_NOTIFICATION 을 Application으로 전달하지 않기
1. 특정 KeyCode에 대해 POLICY_FLAG_PASS_TO_USER flag 제거
1.1 Flag 정의
path : frameworks/native/include/input/input.h
// Indicates that the event should be dispatched to applications.
// The input event should still be sent to the InputDispatcher so that it can see all
// input events received include those that it will not deliver.
POLICY_FLAG_PASS_TO_USER = 0x40000000,
1.2 수정사항
path : rk3066/frameworks/base/services/jni/com_android_server_input_InputManagerService.cpp
void NativeInputManager::interceptKeyBeforeQueueing(const KeyEvent* keyEvent, uint32_t& policyFlags) {
......
handleInterceptActions(wmActions, when, /byref/ policyFlags);
......
if (keyEvent->getKeyCode() == /KeyEvent.KEYCODE_NOTIFICATION/83 )
policyFlags &= ~POLICY_FLAG_PASS_TO_USER;
}
void NativeInputManager::handleInterceptActions(jint wmActions, nsecs_t when,
uint32_t& policyFlags) {
if (wmActions & WM_ACTION_GO_TO_SLEEP) {
#if DEBUG_INPUT_DISPATCHER_POLICY
ALOGD("handleInterceptActions: Going to sleep.");
#endif
android_server_PowerManagerService_goToSleep(when);
}
if (wmActions & WM_ACTION_WAKE_UP) {
#if DEBUG_INPUT_DISPATCHER_POLICY
ALOGD("handleInterceptActions: Waking up.");
#endif
android_server_PowerManagerService_wakeUp(when);
}
if (wmActions & WM_ACTION_PASS_TO_USER) {
policyFlags |= POLICY_FLAG_PASS_TO_USER;
} else {
#if DEBUG_INPUT_DISPATCHER_POLICY
ALOGD("handleInterceptActions: Not passing key to user.");
#endif
}
}
2. Error case
- 현상 : KeyEvent 제거 -> Wakeup 불가.
path : rk3066/frameworks/base/core/jni/android_view_KeyEvent.cpp
jobject android_view_KeyEvent_fromNative(JNIEnv* env, const KeyEvent* event) {
if ( event->getKeyCode() == XXX )
return NULL;
}
