Add DeviceMotion gravity data

README.md

@@ -72,6 +72,20 @@ Magnetometer.startMagnetometerUpdates(); // you'll start getting AccelerationDat
 Magnetometer.stopMagnetometerUpdates();
 ```
 
+### Filtered DeviceMotion data (only gravity)
+```js
+DeviceMotion.setDeviceMotionUpdateInterval(0.1); // in seconds
+DeviceEventEmitter.addListener('MotionData', function (data) {
+ /**
+ * data.gravity.x
+ * data.gravity.y
+ * data.gravity.z
+ **/
+});
+DeviceMotion.startDeviceMotionUpdates(); // you'll start getting MotionData events above
+DeviceMotion.stopDeviceMotionUpdates();
+```
+
 # Example
 
 This repo contains an example react-native app to help get you started. [Source code here.](https://github.com/pwmckenna/react-native-motion-manager/tree/master/Example/MotionExample)

RNMotionManager.xcodeproj/project.pbxproj

@@ -11,6 +11,7 @@
  BB9CC8081AE0A5FE008A1D08 /* Gyroscope.m in Sources */ = {isa = PBXBuildFile; fileRef = BB9CC8071AE0A5FE008A1D08 /* Gyroscope.m */; };
  BB9CC80E1AE0A707008A1D08 /* Accelerometer.m in Sources */ = {isa = PBXBuildFile; fileRef = BB9CC80B1AE0A707008A1D08 /* Accelerometer.m */; };
  BB9CC80F1AE0A707008A1D08 /* Magnetometer.m in Sources */ = {isa = PBXBuildFile; fileRef = BB9CC80D1AE0A707008A1D08 /* Magnetometer.m */; };
+ FF4578261D60724200F5D682 /* DeviceMotion.m in Sources */ = {isa = PBXBuildFile; fileRef = FF4578241D60724200F5D682 /* DeviceMotion.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -45,6 +46,8 @@
  BB9CC80B1AE0A707008A1D08 /* Accelerometer.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Accelerometer.m; sourceTree = "<group>"; };
  BB9CC80C1AE0A707008A1D08 /* Magnetometer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Magnetometer.h; sourceTree = "<group>"; };
  BB9CC80D1AE0A707008A1D08 /* Magnetometer.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Magnetometer.m; sourceTree = "<group>"; };
+ FF4578241D60724200F5D682 /* DeviceMotion.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DeviceMotion.m; sourceTree = "<group>"; };
+ FF4578251D60724200F5D682 /* DeviceMotion.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DeviceMotion.h; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -87,6 +90,8 @@
  BB9CC7EF1AE0A2EB008A1D08 /* RNMotionManager */ = {
  isa = PBXGroup;
  children = (
+ FF4578241D60724200F5D682 /* DeviceMotion.m */,
+ FF4578251D60724200F5D682 /* DeviceMotion.h */,
  BB9CC8071AE0A5FE008A1D08 /* Gyroscope.m */,
  BB9CC8091AE0A614008A1D08 /* Gyroscope.h */,
  BB9CC80A1AE0A707008A1D08 /* Accelerometer.h */,
@@ -204,6 +209,7 @@
  BB9CC80E1AE0A707008A1D08 /* Accelerometer.m in Sources */,
  BB9CC80F1AE0A707008A1D08 /* Magnetometer.m in Sources */,
  BB9CC8081AE0A5FE008A1D08 /* Gyroscope.m in Sources */,
+ FF4578261D60724200F5D682 /* DeviceMotion.m in Sources */,
  );
  runOnlyForDeploymentPostprocessing = 0;
  };

RNMotionManager/DeviceMotion.h

@@ -0,0 +1,19 @@
+//
+// DeviceMotion.h
+//
+// Created by Tuan PM.
+//
+
+#import "RCTBridgeModule.h"
+#import <CoreMotion/CoreMotion.h>
+
+@interface DeviceMotion : NSObject <RCTBridgeModule> {
+ CMMotionManager *_motionManager;
+}
+- (void) setDeviceMotionUpdateInterval:(double) interval;
+- (void) getDeviceMotionUpdateInterval:(RCTResponseSenderBlock) cb;
+- (void) getDeviceMotionData:(RCTResponseSenderBlock) cb;
+- (void) startDeviceMotionUpdates;
+- (void) stopDeviceMotionUpdates;
+
+@end

RNMotionManager/DeviceMotion.m

@@ -0,0 +1,101 @@
+//
+// DeviceMotion.m
+//
+// Created by Tuan PM.
+//
+
+#import "RCTBridge.h"
+#import "RCTEventDispatcher.h"
+#import "DeviceMotion.h"
+
+@implementation DeviceMotion
+
+@synthesize bridge = _bridge;
+
+RCT_EXPORT_MODULE();
+
+- (id) init {
+ self = [super init];
+ NSLog(@"DeviceMotion");
+
+ if (self) {
+ self->_motionManager = [[CMMotionManager alloc] init];
+ //Magnetometer
+ if([self->_motionManager isDeviceMotionAvailable])
+ {
+ NSLog(@"deviceMotionAvailable available");
+ /* Start the Magnetometer if it is not active already */
+ if([self->_motionManager isDeviceMotionActive] == NO)
+ {
+ NSLog(@"DeviceMotion active");
+ } else {
+ NSLog(@"DeviceMotion not active");
+ }
+ }
+ else
+ {
+ NSLog(@"DeviceMotion not Available!");
+ }
+ }
+ return self;
+}
+
+RCT_EXPORT_METHOD(setDeviceMotionUpdateInterval:(double) interval) {
+ NSLog(@"setDeviceMotionUpdateInterval: %f", interval);
+
+ [self->_motionManager setDeviceMotionUpdateInterval:interval];
+}
+
+RCT_EXPORT_METHOD(getDeviceMotionUpdateInterval:(RCTResponseSenderBlock) cb) {
+ double interval = self->_motionManager.deviceMotionUpdateInterval;
+ NSLog(@"getDeviceMotionUpdateInterval: %f", interval);
+ cb(@[[NSNull null], [NSNumber numberWithDouble:interval]]);
+}
+
+RCT_EXPORT_METHOD(getDeviceMotionData:(RCTResponseSenderBlock) cb) {
+ double x = self->_motionManager.deviceMotion.gravity.x;
+ double y = self->_motionManager.deviceMotion.gravity.y;
+ double z = self->_motionManager.deviceMotion.gravity.z;
+
+ NSLog(@"getDeviceMotionData: %f, %f, %f", x, y, z);
+
+ cb(@[[NSNull null], @{
+ @"gravity": @{
+ @"x" : [NSNumber numberWithDouble:x],
+ @"y" : [NSNumber numberWithDouble:y],
+ @"z" : [NSNumber numberWithDouble:z]
+ }
+ }]
+ );
+}
+
+RCT_EXPORT_METHOD(startDeviceMotionUpdates) {
+ NSLog(@"startMagnetometerUpdates");
+ [self->_motionManager startDeviceMotionUpdates];
+
+ /* Receive the ccelerometer data on this block */
+ [self->_motionManager startDeviceMotionUpdatesToQueue:[NSOperationQueue mainQueue]
+ withHandler:^(CMDeviceMotion *motionData, NSError *error)
+ {
+ double x = motionData.gravity.x;
+ double y = motionData.gravity.y;
+ double z = motionData.gravity.z;
+ NSLog(@"startDeviceMotionUpdates: %f, %f, %f", x, y, z);
+
+ [self.bridge.eventDispatcher sendDeviceEventWithName:@"MotionData" body:@{
+ @"gravity": @{
+ @"x" : [NSNumber numberWithDouble:x],
+ @"y" : [NSNumber numberWithDouble:y],
+ @"z" : [NSNumber numberWithDouble:z]
+ }
+ }];
+ }];
+
+}
+
+RCT_EXPORT_METHOD(stopDeviceMotionUpdates) {
+ NSLog(@"stopDeviceMotionUpdates");
+ [self->_motionManager stopDeviceMotionUpdates];
+}
+
+@end