feat: Support refreshrates other than 60 (#314)

* feat: Support refreshrates other than 60 * rebase * lint fix * Revert "lint fix" This reverts commit 4fa9540. * lint errors * Update ALVR * Update ALVR to v20.6.2
PhoneVR-Developers · Apr 6, 2024 · 2b76c28 · 2b76c28
1 parent 4a5906c
commit 2b76c28
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/code/mobile/android/PhoneVR/app/src/main/cpp/alvr_main.cpp b/code/mobile/android/PhoneVR/app/src/main/cpp/alvr_main.cpp
@@ -171,14 +171,14 @@ void inputThread() {
 // }
 
 extern "C" JNIEXPORT void JNICALL Java_viritualisres_phonevr_ALVRActivity_initializeNative(
-    JNIEnv *env, jobject obj, jint screenWidth, jint screenHeight) {
+    JNIEnv *env, jobject obj, jint screenWidth, jint screenHeight, jfloat refreshRate) {
     CTX.javaVm = jVM;
     CTX.javaContext = env->NewGlobalRef(obj);
 
     uint32_t viewWidth = std::max(screenWidth, screenHeight) / 2;
     uint32_t viewHeight = std::min(screenWidth, screenHeight);
 
-    float refreshRatesBuffer[1] = {60.f};
+    float refreshRatesBuffer[1] = {refreshRate};
 
     alvr_initialize((void *) CTX.javaVm,
                     (void *) CTX.javaContext,

diff --git a/code/mobile/android/PhoneVR/app/src/main/java/viritualisres/phonevr/ALVRActivity.java b/code/mobile/android/PhoneVR/app/src/main/java/viritualisres/phonevr/ALVRActivity.java
@@ -16,6 +16,7 @@
 import android.provider.Settings;
 import android.util.DisplayMetrics;
 import android.util.Log;
+import android.view.Display;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
@@ -97,7 +98,12 @@ public void onCreate(Bundle savedInstance) {
         int width = displayMetrics.widthPixels;
         int height = displayMetrics.heightPixels;
 
-        initializeNative(width, height);
+        // get refresh rate of the device
+        Display display = getWindowManager().getDefaultDisplay();
+        float refreshRate = display.getRefreshRate();
+        Log.i(TAG, "Refresh rate: " + refreshRate);
+
+        initializeNative(width, height, refreshRate);
 
         setContentView(R.layout.activity_vr);
         glView = findViewById(R.id.surface_view);
@@ -248,7 +254,8 @@ private void setImmersiveSticky() {
                                 | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
     }
 
-    private native void initializeNative(int screenWidth, int screenHeight);
+    private native void initializeNative(
+            int screenWidth, int screenHeight, float screenRefreshRate);
 
     private native void destroyNative();