Added accelerometer support to IOSInput in RoboVM backend.

diff --git a/backends/gdx-backend-robovm/src/com/badlogic/gdx/backends/iosrobovm/IOSInput.java b/backends/gdx-backend-robovm/src/com/badlogic/gdx/backends/iosrobovm/IOSInput.java
index 0789691..24b5567 100644 (file)
--- a/backends/gdx-backend-robovm/src/com/badlogic/gdx/backends/iosrobovm/IOSInput.java
+++ b/backends/gdx-backend-robovm/src/com/badlogic/gdx/backends/iosrobovm/IOSInput.java
@@ -3,6 +3,9 @@ package com.badlogic.gdx.backends.iosrobovm;
 import org.robovm.cocoatouch.coregraphics.CGPoint;
 import org.robovm.cocoatouch.foundation.NSArray;
 import org.robovm.cocoatouch.foundation.NSSet;
+import org.robovm.cocoatouch.uikit.UIAcceleration;
+import org.robovm.cocoatouch.uikit.UIAccelerometer;
+import org.robovm.cocoatouch.uikit.UIAccelerometerDelegate;
 import org.robovm.cocoatouch.uikit.UIAlertView;
 import org.robovm.cocoatouch.uikit.UIAlertViewDelegate;
 import org.robovm.cocoatouch.uikit.UIAlertViewStyle;
@@ -47,6 +50,9 @@ public class IOSInput implements Input {
        TouchEvent currentEvent = null;
        float[] acceleration = new float[3];
        InputProcessor inputProcessor = null;
+       // We need to hold on to the reference to this delegate or else its
+       // ObjC peer will get released when the Java peer is GCed.
+       UIAccelerometerDelegate accelerometerDelegate;
        
        public IOSInput(IOSApplication app) {
                this.app = app;
@@ -58,20 +64,21 @@ public class IOSInput implements Input {
        }
 
        private void setupAccelerometer() {
-//             if(config.useAccelerometer) {
-//                     UIAccelerometer.get_SharedAccelerometer().set_Delegate(new UIAccelerometerDelegate() {
-//
-//                             @Override
-//                             public void DidAccelerate(UIAccelerometer accelerometer, UIAcceleration values) {
-//                                     //super.DidAccelerate(accelerometer, values);
-//                                     // FIXME take orientation into account, these values here get flipped by iOS...
-//                                     acceleration[0] = (float)values.get_X() * 10;
-//                                     acceleration[1] = (float)values.get_Y() * 10;
-//                                     acceleration[2] = (float)values.get_Z() * 10;
-//                             }
-//                     });
-//                     UIAccelerometer.get_SharedAccelerometer().set_UpdateInterval(config.accelerometerUpdate);
-//             }
+               if(config.useAccelerometer) {
+                       accelerometerDelegate = new UIAccelerometerDelegate.Adapter() {
+
+                               @Override
+                               public void didAccelerate(UIAccelerometer accelerometer, UIAcceleration values) {
+                                       //super.DidAccelerate(accelerometer, values);
+                                       // FIXME take orientation into account, these values here get flipped by iOS...
+                                       acceleration[0] = (float)values.getX() * 10;
+                                       acceleration[1] = (float)values.getY() * 10;
+                                       acceleration[2] = (float)values.getZ() * 10;
+                               }
+                       };
+                       UIAccelerometer.getSharedAccelerometer().setDelegate(accelerometerDelegate);
+                       UIAccelerometer.getSharedAccelerometer().setUpdateInterval(config.accelerometerUpdate);
+               }
        }
 
        @Override