diff --git a/api/current.xml b/api/current.xml index ceca30b0aa6a7..18f05f18fe458 100644 --- a/api/current.xml +++ b/api/current.xml @@ -27842,6 +27842,8 @@ deprecated="not deprecated" visibility="public" > + + + + + + + + + + + + + + + + + + + + DeleteGlobalRef(surface); + } + if (_surface != NULL) { + surface = activity.env->NewGlobalRef(_surface); + } else { + surface = NULL; + } + } + android_activity_t activity; android_activity_callbacks_t callbacks; void* dlhandle; - android_activity_create_t* createActivityFunc; - void* clientContext; + + jobject surface; }; static jint @@ -47,18 +75,13 @@ loadNativeCode_native(JNIEnv* env, jobject clazz, jstring path) env->ReleaseStringUTFChars(path, pathStr); if (handle != NULL) { - code = new NativeCode(); - code->dlhandle = handle; - code->createActivityFunc = (android_activity_create_t*) - dlsym(handle, "android_onCreateActivity"); + code = new NativeCode(handle, (android_activity_create_t*) + dlsym(handle, "android_onCreateActivity")); if (code->createActivityFunc == NULL) { LOGW("android_onCreateActivity not found"); delete code; - dlclose(handle); return 0; } - memset(&code->activity, sizeof(code->activity), 0); - memset(&code->callbacks, sizeof(code->callbacks), 0); code->activity.callbacks = &code->callbacks; code->activity.env = env; code->activity.clazz = clazz; @@ -73,10 +96,6 @@ unloadNativeCode_native(JNIEnv* env, jobject clazz, jint handle) { if (handle != 0) { NativeCode* code = (NativeCode*)handle; - if (code->callbacks.onDestroy != NULL) { - code->callbacks.onDestroy(&code->activity); - } - dlclose(code->dlhandle); delete code; } } @@ -159,6 +178,45 @@ onWindowFocusChanged_native(JNIEnv* env, jobject clazz, jint handle, jboolean fo } } +static void +onSurfaceCreated_native(JNIEnv* env, jobject clazz, jint handle, jobject surface) +{ + if (handle != 0) { + NativeCode* code = (NativeCode*)handle; + code->setSurface(surface); + if (code->callbacks.onSurfaceCreated != NULL) { + code->callbacks.onSurfaceCreated(&code->activity, + (android_surface_t*)code->surface); + } + } +} + +static void +onSurfaceChanged_native(JNIEnv* env, jobject clazz, jint handle, jobject surface, + jint format, jint width, jint height) +{ + if (handle != 0) { + NativeCode* code = (NativeCode*)handle; + if (code->surface != NULL && code->callbacks.onSurfaceChanged != NULL) { + code->callbacks.onSurfaceChanged(&code->activity, + (android_surface_t*)code->surface, format, width, height); + } + } +} + +static void +onSurfaceDestroyed_native(JNIEnv* env, jobject clazz, jint handle, jobject surface) +{ + if (handle != 0) { + NativeCode* code = (NativeCode*)handle; + if (code->surface != NULL && code->callbacks.onSurfaceDestroyed != NULL) { + code->callbacks.onSurfaceDestroyed(&code->activity, + (android_surface_t*)code->surface); + } + code->setSurface(NULL); + } +} + static const JNINativeMethod g_methods[] = { { "loadNativeCode", "(Ljava/lang/String;)I", (void*)loadNativeCode_native }, { "unloadNativeCode", "(I)V", (void*)unloadNativeCode_native }, @@ -169,6 +227,9 @@ static const JNINativeMethod g_methods[] = { { "onStopNative", "(I)V", (void*)onStop_native }, { "onLowMemoryNative", "(I)V", (void*)onLowMemory_native }, { "onWindowFocusChangedNative", "(IZ)V", (void*)onWindowFocusChanged_native }, + { "onSurfaceCreatedNative", "(ILandroid/view/SurfaceHolder;)V", (void*)onSurfaceCreated_native }, + { "onSurfaceChangedNative", "(ILandroid/view/SurfaceHolder;III)V", (void*)onSurfaceChanged_native }, + { "onSurfaceDestroyedNative", "(ILandroid/view/SurfaceHolder;)V", (void*)onSurfaceDestroyed_native }, }; static const char* const kNativeActivityPathName = "android/app/NativeActivity"; diff --git a/native/include/android/native_activity.h b/native/include/android/native_activity.h index c0f35f831740f..328a4b5ffa89f 100644 --- a/native/include/android/native_activity.h +++ b/native/include/android/native_activity.h @@ -27,32 +27,145 @@ extern "C" { #endif +// Temporary until native surface API is defined. +struct android_surface_t; +typedef struct android_surface_t android_surface_t; + struct android_activity_callbacks_t; +/** + * This structure defines the native side of an android.app.NativeActivity. + * It is created by the framework, and handed to the application's native + * code as it is being launched. + */ typedef struct android_activity_t { + /** + * Pointer to the callback function table of the native application. + * You can set the functions here to your own callbacks. The callbacks + * pointer itself here should not be changed; it is allocated and managed + * for you by the framework. + */ struct android_activity_callbacks_t* callbacks; + /** + * JNI context for the main thread of the app. + */ JNIEnv* env; + + /** + * The NativeActivity Java class. + */ jobject clazz; + /** + * This is the native instance of the application. It is not used by + * the framework, but can be set by the application to its own instance + * state. + */ void* instance; } android_activity_t; +/** + * These are the callbacks the framework makes into a native application. + * All of these callbacks happen on the main thread of the application. + * By default, all callbacks are NULL; set to a pointer to your own function + * to have it called. + */ typedef struct android_activity_callbacks_t { + /** + * NativeActivity has started. See Java documentation for Activity.onStart() + * for more information. + */ void (*onStart)(android_activity_t* activity); + + /** + * NativeActivity has resumed. See Java documentation for Activity.onResume() + * for more information. + */ void (*onResume)(android_activity_t* activity); + + /** + * Framework is asking NativeActivity to save its current instance state. + * See Java documentation for Activity.onSaveInstanceState() for more + * information. The returned pointer needs to be created with malloc(); + * the framework will call free() on it for you. You also must fill in + * outSize with the number of bytes in the allocation. Note that the + * saved state will be persisted, so it can not contain any active + * entities (pointers to memory, file descriptors, etc). + */ void* (*onSaveInstanceState)(android_activity_t* activity, size_t* outSize); + + /** + * NativeActivity has paused. See Java documentation for Activity.onPause() + * for more information. + */ void (*onPause)(android_activity_t* activity); + + /** + * NativeActivity has stopped. See Java documentation for Activity.onStop() + * for more information. + */ void (*onStop)(android_activity_t* activity); + + /** + * NativeActivity is being destroyed. See Java documentation for Activity.onDestroy() + * for more information. + */ void (*onDestroy)(android_activity_t* activity); - void (*onLowMemory)(android_activity_t* activity); + /** + * Focus has changed in this NativeActivity's window. This is often used, + * for example, to pause a game when it loses input focus. + */ void (*onWindowFocusChanged)(android_activity_t* activity, int hasFocus); + + /** + * The drawing surface for this native activity has been created. You + * can use the given surface object to start drawing. NOTE: surface + * drawing API is not yet defined. + */ + void (*onSurfaceCreated)(android_activity_t* activity, android_surface_t* surface); + + /** + * The drawing surface for this native activity has changed. The surface + * given here is guaranteed to be the same as the one last given to + * onSurfaceCreated. This is simply to inform you about interesting + * changed to that surface. + */ + void (*onSurfaceChanged)(android_activity_t* activity, android_surface_t* surface, + int format, int width, int height); + + /** + * The drawing surface for this native activity is going to be destroyed. + * You MUST ensure that you do not touch the surface object after returning + * from this function: in the common case of drawing to the surface from + * another thread, that means the implementation of this callback must + * properly synchronize with the other thread to stop its drawing before + * returning from here. + */ + void (*onSurfaceDestroyed)(android_activity_t* activity, android_surface_t* surface); + + /** + * The system is running low on memory. Use this callback to release + * resources you do not need, to help the system avoid killing more + * important processes. + */ + void (*onLowMemory)(android_activity_t* activity); } android_activity_callbacks_t; +/** + * This is the function that must be in the native code to instantiate the + * application's native activity. It is called with the activity instance (see + * above); if the code is being instantiated from a previously saved instance, + * the savedState will be non-NULL and point to the saved data. + */ typedef void android_activity_create_t(android_activity_t* activity, void* savedState, size_t savedStateSize); +/** + * The name of the function that NativeInstance looks for when launching its + * native code. + */ extern android_activity_create_t android_onCreateActivity; #ifdef __cplusplus