From abaa032faed44d8605dd4d49a9b0aa51cc925b4b Mon Sep 17 00:00:00 2001 From: Bastiaan Olij Date: Tue, 9 Mar 2021 21:19:57 +1100 Subject: [PATCH] Fixes on android: - checking for validity of ENV in wrapper classes - fix for access to JavaVM from threads (cherry picked from commit b3a43430aa1e6ac33025d86cde777e79be30ef99) --- platform/android/java_class_wrapper.cpp | 3 ++ platform/android/java_godot_io_wrapper.cpp | 12 ++++++++ platform/android/java_godot_wrapper.cpp | 35 ++++++++++++++++++++++ platform/android/thread_jandroid.cpp | 27 ++++++++++++++++- 4 files changed, 76 insertions(+), 1 deletion(-) diff --git a/platform/android/java_class_wrapper.cpp b/platform/android/java_class_wrapper.cpp index 2a071dcf48d5..8e7f51017521 100644 --- a/platform/android/java_class_wrapper.cpp +++ b/platform/android/java_class_wrapper.cpp @@ -39,6 +39,7 @@ bool JavaClass::_call_method(JavaObject *p_instance, const StringName &p_method, return false; JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, false); MethodInfo *method = NULL; for (List::Element *E = M->get().front(); E; E = E->next()) { @@ -1049,6 +1050,7 @@ Ref JavaClassWrapper::wrap(const String &p_class) { return class_cache[p_class]; JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, Ref()); jclass bclass = env->FindClass(p_class.utf8().get_data()); ERR_FAIL_COND_V(!bclass, Ref()); @@ -1243,6 +1245,7 @@ JavaClassWrapper::JavaClassWrapper(jobject p_activity) { singleton = this; JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); jclass activityClass = env->FindClass("android/app/Activity"); jmethodID getClassLoader = env->GetMethodID(activityClass, "getClassLoader", "()Ljava/lang/ClassLoader;"); diff --git a/platform/android/java_godot_io_wrapper.cpp b/platform/android/java_godot_io_wrapper.cpp index b82a7e9f8108..0bab3f8e70a5 100644 --- a/platform/android/java_godot_io_wrapper.cpp +++ b/platform/android/java_godot_io_wrapper.cpp @@ -77,6 +77,7 @@ jobject GodotIOJavaWrapper::get_instance() { Error GodotIOJavaWrapper::open_uri(const String &p_uri) { if (_open_URI) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, ERR_UNAVAILABLE); jstring jStr = env->NewStringUTF(p_uri.utf8().get_data()); return env->CallIntMethod(godot_io_instance, _open_URI, jStr) ? ERR_CANT_OPEN : OK; } else { @@ -87,6 +88,7 @@ Error GodotIOJavaWrapper::open_uri(const String &p_uri) { String GodotIOJavaWrapper::get_user_data_dir() { if (_get_data_dir) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, String()); jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_data_dir); return jstring_to_string(s, env); } else { @@ -97,6 +99,7 @@ String GodotIOJavaWrapper::get_user_data_dir() { String GodotIOJavaWrapper::get_locale() { if (_get_locale) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, String()); jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_locale); return jstring_to_string(s, env); } else { @@ -107,6 +110,7 @@ String GodotIOJavaWrapper::get_locale() { String GodotIOJavaWrapper::get_model() { if (_get_model) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, String()); jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_model); return jstring_to_string(s, env); } else { @@ -117,6 +121,7 @@ String GodotIOJavaWrapper::get_model() { int GodotIOJavaWrapper::get_screen_dpi() { if (_get_screen_DPI) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, 160); return env->CallIntMethod(godot_io_instance, _get_screen_DPI); } else { return 160; @@ -126,6 +131,7 @@ int GodotIOJavaWrapper::get_screen_dpi() { void GodotIOJavaWrapper::get_window_safe_area(int (&p_rect_xywh)[4]) { if (_get_window_safe_area) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); jintArray returnArray = (jintArray)env->CallObjectMethod(godot_io_instance, _get_window_safe_area); ERR_FAIL_COND(env->GetArrayLength(returnArray) != 4); jint *arrayBody = env->GetIntArrayElements(returnArray, JNI_FALSE); @@ -139,6 +145,7 @@ void GodotIOJavaWrapper::get_window_safe_area(int (&p_rect_xywh)[4]) { String GodotIOJavaWrapper::get_unique_id() { if (_get_unique_id) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, String()); jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_unique_id); return jstring_to_string(s, env); } else { @@ -153,6 +160,7 @@ bool GodotIOJavaWrapper::has_vk() { void GodotIOJavaWrapper::show_vk(const String &p_existing, bool p_multiline, int p_max_input_length, int p_cursor_start, int p_cursor_end) { if (_show_keyboard) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); jstring jStr = env->NewStringUTF(p_existing.utf8().get_data()); env->CallVoidMethod(godot_io_instance, _show_keyboard, jStr, p_multiline, p_max_input_length, p_cursor_start, p_cursor_end); } @@ -161,6 +169,7 @@ void GodotIOJavaWrapper::show_vk(const String &p_existing, bool p_multiline, int void GodotIOJavaWrapper::hide_vk() { if (_hide_keyboard) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); env->CallVoidMethod(godot_io_instance, _hide_keyboard); } } @@ -168,6 +177,7 @@ void GodotIOJavaWrapper::hide_vk() { void GodotIOJavaWrapper::set_screen_orientation(int p_orient) { if (_set_screen_orientation) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); env->CallVoidMethod(godot_io_instance, _set_screen_orientation, p_orient); } } @@ -175,6 +185,7 @@ void GodotIOJavaWrapper::set_screen_orientation(int p_orient) { int GodotIOJavaWrapper::get_screen_orientation() const { if (_get_screen_orientation) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, 0); return env->CallIntMethod(godot_io_instance, _get_screen_orientation); } else { return 0; @@ -184,6 +195,7 @@ int GodotIOJavaWrapper::get_screen_orientation() const { String GodotIOJavaWrapper::get_system_dir(int p_dir) { if (_get_system_dir) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, String(".")); jstring s = (jstring)env->CallObjectMethod(godot_io_instance, _get_system_dir, p_dir); return jstring_to_string(s, env); } else { diff --git a/platform/android/java_godot_wrapper.cpp b/platform/android/java_godot_wrapper.cpp index 3d11703bbaa4..62f1eca06246 100644 --- a/platform/android/java_godot_wrapper.cpp +++ b/platform/android/java_godot_wrapper.cpp @@ -94,6 +94,8 @@ jobject GodotJavaWrapper::get_member_object(const char *p_name, const char *p_cl if (p_env == NULL) p_env = get_jni_env(); + ERR_FAIL_COND_V(p_env == nullptr, nullptr); + jfieldID fid = p_env->GetStaticFieldID(godot_class, p_name, p_class); return p_env->GetStaticObjectField(godot_class, fid); } else { @@ -104,6 +106,8 @@ jobject GodotJavaWrapper::get_member_object(const char *p_name, const char *p_cl jobject GodotJavaWrapper::get_class_loader() { if (_get_class_loader) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, nullptr); + return env->CallObjectMethod(activity, _get_class_loader); } else { return NULL; @@ -121,6 +125,7 @@ void GodotJavaWrapper::on_video_init(JNIEnv *p_env) { if (_on_video_init) { if (p_env == NULL) p_env = get_jni_env(); + ERR_FAIL_COND(p_env == nullptr); p_env->CallVoidMethod(godot_instance, _on_video_init); } @@ -131,6 +136,7 @@ void GodotJavaWrapper::on_godot_setup_completed(JNIEnv *p_env) { if (p_env == NULL) { p_env = get_jni_env(); } + ERR_FAIL_COND(p_env == nullptr); p_env->CallVoidMethod(godot_instance, _on_godot_setup_completed); } } @@ -140,6 +146,7 @@ void GodotJavaWrapper::on_godot_main_loop_started(JNIEnv *p_env) { if (p_env == NULL) { p_env = get_jni_env(); } + ERR_FAIL_COND(p_env == nullptr); p_env->CallVoidMethod(godot_instance, _on_godot_main_loop_started); } } @@ -148,6 +155,7 @@ void GodotJavaWrapper::restart(JNIEnv *p_env) { if (_restart) { if (p_env == NULL) p_env = get_jni_env(); + ERR_FAIL_COND(p_env == nullptr); p_env->CallVoidMethod(godot_instance, _restart); } @@ -157,6 +165,7 @@ void GodotJavaWrapper::force_quit(JNIEnv *p_env) { if (_finish) { if (p_env == NULL) p_env = get_jni_env(); + ERR_FAIL_COND(p_env == nullptr); p_env->CallVoidMethod(godot_instance, _finish); } @@ -165,6 +174,8 @@ void GodotJavaWrapper::force_quit(JNIEnv *p_env) { void GodotJavaWrapper::set_keep_screen_on(bool p_enabled) { if (_set_keep_screen_on) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); + env->CallVoidMethod(godot_instance, _set_keep_screen_on, p_enabled); } } @@ -172,6 +183,8 @@ void GodotJavaWrapper::set_keep_screen_on(bool p_enabled) { void GodotJavaWrapper::alert(const String &p_message, const String &p_title) { if (_alert) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); + jstring jStrMessage = env->NewStringUTF(p_message.utf8().get_data()); jstring jStrTitle = env->NewStringUTF(p_title.utf8().get_data()); env->CallVoidMethod(godot_instance, _alert, jStrMessage, jStrTitle); @@ -180,6 +193,8 @@ void GodotJavaWrapper::alert(const String &p_message, const String &p_title) { int GodotJavaWrapper::get_gles_version_code() { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, 0); + if (_get_GLES_version_code) { return env->CallIntMethod(godot_instance, _get_GLES_version_code); } @@ -194,6 +209,8 @@ bool GodotJavaWrapper::has_get_clipboard() { String GodotJavaWrapper::get_clipboard() { if (_get_clipboard) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, String()); + jstring s = (jstring)env->CallObjectMethod(godot_instance, _get_clipboard); return jstring_to_string(s, env); } else { @@ -204,6 +221,8 @@ String GodotJavaWrapper::get_clipboard() { String GodotJavaWrapper::get_input_fallback_mapping() { if (_get_input_fallback_mapping) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, String()); + jstring fallback_mapping = (jstring)env->CallObjectMethod(godot_instance, _get_input_fallback_mapping); return jstring_to_string(fallback_mapping, env); } else { @@ -218,6 +237,8 @@ bool GodotJavaWrapper::has_set_clipboard() { void GodotJavaWrapper::set_clipboard(const String &p_text) { if (_set_clipboard) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); + jstring jStr = env->NewStringUTF(p_text.utf8().get_data()); env->CallVoidMethod(godot_instance, _set_clipboard, jStr); } @@ -226,6 +247,8 @@ void GodotJavaWrapper::set_clipboard(const String &p_text) { bool GodotJavaWrapper::request_permission(const String &p_name) { if (_request_permission) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, false); + jstring jStrName = env->NewStringUTF(p_name.utf8().get_data()); return env->CallBooleanMethod(godot_instance, _request_permission, jStrName); } else { @@ -236,6 +259,8 @@ bool GodotJavaWrapper::request_permission(const String &p_name) { bool GodotJavaWrapper::request_permissions() { if (_request_permissions) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, false); + return env->CallBooleanMethod(godot_instance, _request_permissions); } else { return false; @@ -246,6 +271,8 @@ Vector GodotJavaWrapper::get_granted_permissions() const { Vector permissions_list; if (_get_granted_permissions) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, permissions_list); + jobject permissions_object = env->CallObjectMethod(godot_instance, _get_granted_permissions); jobjectArray *arr = reinterpret_cast(&permissions_object); @@ -264,6 +291,8 @@ Vector GodotJavaWrapper::get_granted_permissions() const { void GodotJavaWrapper::init_input_devices() { if (_init_input_devices) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); + env->CallVoidMethod(godot_instance, _init_input_devices); } } @@ -271,6 +300,8 @@ void GodotJavaWrapper::init_input_devices() { jobject GodotJavaWrapper::get_surface() { if (_get_surface) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, nullptr); + return env->CallObjectMethod(godot_instance, _get_surface); } else { return NULL; @@ -280,6 +311,8 @@ jobject GodotJavaWrapper::get_surface() { bool GodotJavaWrapper::is_activity_resumed() { if (_is_activity_resumed) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND_V(env == nullptr, false); + return env->CallBooleanMethod(godot_instance, _is_activity_resumed); } else { return false; @@ -289,6 +322,8 @@ bool GodotJavaWrapper::is_activity_resumed() { void GodotJavaWrapper::vibrate(int p_duration_ms) { if (_vibrate) { JNIEnv *env = get_jni_env(); + ERR_FAIL_COND(env == nullptr); + env->CallVoidMethod(godot_instance, _vibrate, p_duration_ms); } } diff --git a/platform/android/thread_jandroid.cpp b/platform/android/thread_jandroid.cpp index afcc7294f290..ba379c8d43fd 100644 --- a/platform/android/thread_jandroid.cpp +++ b/platform/android/thread_jandroid.cpp @@ -30,17 +30,34 @@ #include "thread_jandroid.h" +#include + #include "core/os/thread.h" static JavaVM *java_vm = nullptr; static thread_local JNIEnv *env = nullptr; +// The logic here need to improve, init_thread/term_tread are designed to work with Thread::callback +// Calling init_thread from setup_android_thread and get_jni_env to setup an env we're keeping and not detaching +// could cause issues on app termination. +// +// We should be making sure that any thread started calls a nice cleanup function when it's done, +// especially now that we use many more threads. + static void init_thread() { + if (env) { + // thread never detached! just keep using... + return; + } + java_vm->AttachCurrentThread(&env, nullptr); } static void term_thread() { java_vm->DetachCurrentThread(); + + // this is no longer valid, must called init_thread to re-establish + env = nullptr; } void init_thread_jandroid(JavaVM *p_jvm, JNIEnv *p_env) { @@ -50,9 +67,17 @@ void init_thread_jandroid(JavaVM *p_jvm, JNIEnv *p_env) { } void setup_android_thread() { - init_thread(); + if (!env) { + // !BAS! see remarks above + init_thread(); + } } JNIEnv *get_jni_env() { + if (!env) { + // !BAS! see remarks above + init_thread(); + } + return env; }