5 files changed, 35 insertions, 0 deletions
diff --git a/platform/android/display_server_android.cpp b/platform/android/display_server_android.cpp
index 15f61db27c..d5de595d87 100644
--- a/platform/android/display_server_android.cpp
+++ b/platform/android/display_server_android.cpp
@@ -161,6 +161,16 @@ int DisplayServerAndroid::screen_get_dpi(int p_screen) const {
 	return godot_io_java->get_screen_dpi();
 }
 
+float DisplayServerAndroid::screen_get_refresh_rate(int p_screen) const {
+	GodotIOJavaWrapper *godot_io_java = OS_Android::get_singleton()->get_godot_io_java();
+	if (!godot_io_java) {
+		ERR_PRINT("An error occured while trying to get the screen refresh rate.");
+		return SCREEN_REFRESH_RATE_FALLBACK;
+	}
+
+	return godot_io_java->get_screen_refresh_rate(SCREEN_REFRESH_RATE_FALLBACK);
+}
+
 bool DisplayServerAndroid::screen_is_touchscreen(int p_screen) const {
 	return true;
 }
diff --git a/platform/android/display_server_android.h b/platform/android/display_server_android.h
index 6aadc7e1a9..3ef7ddaffc 100644
--- a/platform/android/display_server_android.h
+++ b/platform/android/display_server_android.h
@@ -106,6 +106,7 @@ public:
 	virtual Size2i screen_get_size(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
 	virtual Rect2i screen_get_usable_rect(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
 	virtual int screen_get_dpi(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
+	virtual float screen_get_refresh_rate(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
 	virtual bool screen_is_touchscreen(int p_screen = SCREEN_OF_MAIN_WINDOW) const override;
 
 	virtual void virtual_keyboard_show(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), bool p_multiline = false, int p_max_length = -1, int p_cursor_start = -1, int p_cursor_end = -1) override;
diff --git a/platform/android/java/lib/src/org/godotengine/godot/GodotIO.java b/platform/android/java/lib/src/org/godotengine/godot/GodotIO.java
index d679fd92c0..b151e7eec1 100644
--- a/platform/android/java/lib/src/org/godotengine/godot/GodotIO.java
+++ b/platform/android/java/lib/src/org/godotengine/godot/GodotIO.java
@@ -226,6 +226,14 @@ public class GodotIO {
 		return (int)(metrics.density * 160f);
 	}
 
+	public double getScreenRefreshRate(double fallback) {
+		Display display = activity.getWindowManager().getDefaultDisplay();
+		if (display != null) {
+			return display.getRefreshRate();
+		}
+		return fallback;
+	}
+
 	public int[] screenGetUsableRect() {
 		DisplayMetrics metrics = activity.getResources().getDisplayMetrics();
 		Display display = activity.getWindowManager().getDefaultDisplay();
diff --git a/platform/android/java_godot_io_wrapper.cpp b/platform/android/java_godot_io_wrapper.cpp
index e0a535f16e..8a2788e848 100644
--- a/platform/android/java_godot_io_wrapper.cpp
+++ b/platform/android/java_godot_io_wrapper.cpp
@@ -53,6 +53,7 @@ GodotIOJavaWrapper::GodotIOJavaWrapper(JNIEnv *p_env, jobject p_godot_io_instanc
 		_get_locale = p_env->GetMethodID(cls, "getLocale", "()Ljava/lang/String;");
 		_get_model = p_env->GetMethodID(cls, "getModel", "()Ljava/lang/String;");
 		_get_screen_DPI = p_env->GetMethodID(cls, "getScreenDPI", "()I");
+		_get_screen_refresh_rate = p_env->GetMethodID(cls, "getScreenRefreshRate", "(D)D");
 		_screen_get_usable_rect = p_env->GetMethodID(cls, "screenGetUsableRect", "()[I"),
 		_get_unique_id = p_env->GetMethodID(cls, "getUniqueID", "()Ljava/lang/String;");
 		_show_keyboard = p_env->GetMethodID(cls, "showKeyboard", "(Ljava/lang/String;ZIII)V");
@@ -136,6 +137,19 @@ int GodotIOJavaWrapper::get_screen_dpi() {
 	}
 }
 
+float GodotIOJavaWrapper::get_screen_refresh_rate(float fallback) {
+	if (_get_screen_refresh_rate) {
+		JNIEnv *env = get_jni_env();
+		if (env == nullptr) {
+			ERR_PRINT("An error occured while trying to get screen refresh rate.");
+			return fallback;
+		}
+		return (float)env->CallDoubleMethod(godot_io_instance, _get_screen_refresh_rate, (double)fallback);
+	}
+	ERR_PRINT("An error occured while trying to get the screen refresh rate.");
+	return fallback;
+}
+
 void GodotIOJavaWrapper::screen_get_usable_rect(int (&p_rect_xywh)[4]) {
 	if (_screen_get_usable_rect) {
 		JNIEnv *env = get_jni_env();
diff --git a/platform/android/java_godot_io_wrapper.h b/platform/android/java_godot_io_wrapper.h
index c96abf1101..38a2b710a9 100644
--- a/platform/android/java_godot_io_wrapper.h
+++ b/platform/android/java_godot_io_wrapper.h
@@ -51,6 +51,7 @@ private:
 	jmethodID _get_locale = 0;
 	jmethodID _get_model = 0;
 	jmethodID _get_screen_DPI = 0;
+	jmethodID _get_screen_refresh_rate = 0;
 	jmethodID _screen_get_usable_rect = 0;
 	jmethodID _get_unique_id = 0;
 	jmethodID _show_keyboard = 0;
@@ -71,6 +72,7 @@ public:
 	String get_locale();
 	String get_model();
 	int get_screen_dpi();
+	float get_screen_refresh_rate(float fallback);
 	void screen_get_usable_rect(int (&p_rect_xywh)[4]);
 	String get_unique_id();
 	bool has_vk();