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Merge pull request #47682 from akien-mga/3.x-android-javavm-threads

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[3.x] Android: Fix access to JavaVM for threads after #45618
This commit is contained in:
Rémi Verschelde 2021-04-06 22:21:02 +02:00 committed by GitHub
commit fa4ad3c5c2
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 76 additions and 1 deletions
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3
platform/android/java_class_wrapper.cpp
View file

@ -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<MethodInfo>::Element *E = M->get().front(); E; E = E->next()) {
@ -1049,6 +1050,7 @@ Ref<JavaClass> JavaClassWrapper::wrap(const String &p_class) {
return class_cache[p_class];
JNIEnv *env = get_jni_env();
ERR_FAIL_COND_V(env == nullptr, Ref<JavaClass>());
jclass bclass = env->FindClass(p_class.utf8().get_data());
ERR_FAIL_COND_V(!bclass, Ref<JavaClass>());
@ -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;");

12
platform/android/java_godot_io_wrapper.cpp
View file

@ -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 {

35
platform/android/java_godot_wrapper.cpp
View file

@ -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<String> GodotJavaWrapper::get_granted_permissions() const {
Vector<String> 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<jobjectArray *>(&permissions_object);
@ -264,6 +291,8 @@ Vector<String> 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);
}
}

25
platform/android/thread_jandroid.cpp
View file

@ -30,17 +30,34 @@
#include "thread_jandroid.h"
#include <android/log.h>
#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() {
if (!env) {
// !BAS! see remarks above
init_thread();
}
}
JNIEnv *get_jni_env() {
if (!env) {
// !BAS! see remarks above
init_thread();
}
return env;
}