要使用WindowInputEventReceiver,首先需要创建一个实例并将其注册到窗口管理器。然后,WindowInputEventReceiver会不断接收窗口管理器传递过来的输入事件,并将这些事件分发给相应的窗口进行处理。最后,当不再需要使用WindowInputEventReceiver时,需要将其注销并释放资源。 下面是一个简单的示例代码,演示如何创建和注册一个Windo...
将InputChannel对象传递到nativeInit 2.native层的nativeInit实现 android_view_InputEventReceiver.cppstaticjlongnativeInit(JNIEnv*env,jclass clazz,jobject receiverWeak,jobject inputChannelObj,jobject messageQueueObj){//获取native层的InputChannel对象sp<InputChannel>inputChannel=android_view_InputChannel_getInput...
touchinputeventreceiver 用法 在安卓中,`InputEventReceiver`类用于接收触摸事件。它的实例通常在`ViewRootImpl`中创建,并通过`InputChannel`与`WindowManager`进行通信。 `InputEventReceiver`的用法可以概括为以下步骤: 首先,创建一个`InputEventReceiver`的实例。 然后,通过`InputChannel`将`InputEventReceiver`实例与`...
nativeinputeventreceiver可以与底层硬件交互,以确保输入事件被正确传递和处理。 本文将介绍nativeinputeventreceiver的工作原理、功能与作用,以及在实际应用中的具体应用场景。通过深入了解nativeinputeventreceiver,我们可以更好地理解Android系统中输入事件的处理机制,为开发者提供更多的技术支持和应用指导。 1.2文章结构 文章...
class NativeInputEventReceiver : public LooperCallback {public:NativeInputEventReceiver(JNIEnv* env,jobject receiverWeak, const sp<InputChannel>& inputChannel,const sp<MessageQueue>& messageQueue);status_t initialize();void dispose();status_t finishInputEvent(uint32_t seq, bool handled);...
} } Question: The popup does not show up when the button is pressed. The Logcat reports Attempted to finish an input event but the input event receiver has already been disposed.
(a) setting a TV mode or an application mode of a broadcast receiver, (b) a user input event generated through key input means; And determining (c) whether the input is input to the broadcast receiver and controlling the corresponding mode by applying the user input event to the TV mode...