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Add DeviceMotion (Acceleration Data) #27

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Add DeviceMotion (Acceleration Data) #27

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22 changes: 20 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# react-native-motion-manager

CMMotionManager wrapper for react-native, exposing Accelerometer, Gyroscope, and Magnetometer.
CMMotionManager wrapper for react-native, exposing Accelerometer, Gyroscope, Magnetometer, and DeviceMotion.

### Add it to your project

Expand All @@ -22,7 +22,8 @@ If you get stuck, take a look at [Brent Vatne's blog](http://brentvatne.ca/packa
var {
Accelerometer,
Gyroscope,
Magnetometer
Magnetometer,
DeviceMotion
} = require('NativeModules');
var {
DeviceEventEmitter // will emit events that you can listen to
Expand Down Expand Up @@ -72,6 +73,23 @@ Magnetometer.startMagnetometerUpdates(); // you'll start getting MagnetomerData
Magnetometer.stopMagnetometerUpdates();
```

### DeviceMotion (Acceleration Data)
```js
DeviceMotion.setDeviceMotionUpdateInterval(0.1); // in seconds
DeviceEventEmitter.addListener('MotionData', function (data) {
/**
* data.gravity.x
* data.gravity.y
* data.gravity.z
* data.userAcceleration.x
* data.userAcceleration.y
* data.userAcceleration.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)
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6 changes: 6 additions & 0 deletions RNMotionManager.xcodeproj/project.pbxproj
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Expand Up @@ -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 */; };
E9D0E4871E0BB165008503BD /* DeviceMotion.m in Sources */ = {isa = PBXBuildFile; fileRef = E9D0E4861E0BB165008503BD /* DeviceMotion.m */; };
/* End PBXBuildFile section */

/* Begin PBXContainerItemProxy section */
Expand Down Expand Up @@ -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>"; };
E9D0E4851E0BB165008503BD /* DeviceMotion.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DeviceMotion.h; sourceTree = "<group>"; };
E9D0E4861E0BB165008503BD /* DeviceMotion.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DeviceMotion.m; sourceTree = "<group>"; };
/* End PBXFileReference section */

/* Begin PBXFrameworksBuildPhase section */
Expand Down Expand Up @@ -93,6 +96,8 @@
BB9CC80B1AE0A707008A1D08 /* Accelerometer.m */,
BB9CC80C1AE0A707008A1D08 /* Magnetometer.h */,
BB9CC80D1AE0A707008A1D08 /* Magnetometer.m */,
E9D0E4851E0BB165008503BD /* DeviceMotion.h */,
E9D0E4861E0BB165008503BD /* DeviceMotion.m */,
);
path = RNMotionManager;
sourceTree = "<group>";
Expand Down Expand Up @@ -204,6 +209,7 @@
BB9CC80E1AE0A707008A1D08 /* Accelerometer.m in Sources */,
BB9CC80F1AE0A707008A1D08 /* Magnetometer.m in Sources */,
BB9CC8081AE0A5FE008A1D08 /* Gyroscope.m in Sources */,
E9D0E4871E0BB165008503BD /* DeviceMotion.m in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
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13 changes: 13 additions & 0 deletions RNMotionManager/DeviceMotion.h
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@@ -0,0 +1,13 @@
#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
111 changes: 111 additions & 0 deletions RNMotionManager/DeviceMotion.m
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#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];
// DeviceMotion
if([self->_motionManager isDeviceMotionAvailable])
{
NSLog(@"DeviceMotion available");
/* Start the DeviceMotion 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 gravity_x = self->_motionManager.deviceMotion.gravity.x;
double gravity_y = self->_motionManager.deviceMotion.gravity.y;
double gravity_z = self->_motionManager.deviceMotion.gravity.z;
double userAcceleration_x = self->_motionManager.deviceMotion.userAcceleration.x;
double userAcceleration_y = self->_motionManager.deviceMotion.userAcceleration.y;
double userAcceleration_z = self->_motionManager.deviceMotion.userAcceleration.z;

NSLog(@"getDeviceMotionData (gravity): %f, %f, %f", gravity_x, gravity_y, gravity_z);
NSLog(@"getDeviceMotionData (userAcceleration): %f, %f, %f", userAcceleration_x, userAcceleration_y, userAcceleration_z);

cb(@[[NSNull null], @{
@"gravity": @{
@"x" : [NSNumber numberWithDouble:gravity_x],
@"y" : [NSNumber numberWithDouble:gravity_y],
@"z" : [NSNumber numberWithDouble:gravity_z]
},
@"userAcceleration": @{
@"x" : [NSNumber numberWithDouble:userAcceleration_x],
@"y" : [NSNumber numberWithDouble:userAcceleration_y],
@"z" : [NSNumber numberWithDouble:userAcceleration_z]
}
}]
);
}

RCT_EXPORT_METHOD(startDeviceMotionUpdates) {
NSLog(@"startMagnetometerUpdates");
[self->_motionManager startDeviceMotionUpdates];

/* Receive the DeviceMotion data on this block */
[self->_motionManager startDeviceMotionUpdatesToQueue:[NSOperationQueue mainQueue]
withHandler:^(CMDeviceMotion *motionData, NSError *error)
{
double gravity_x = motionData.gravity.x;
double gravity_y = motionData.gravity.y;
double gravity_z = motionData.gravity.z;
double userAcceleration_x = motionData.userAcceleration.x;
double userAcceleration_y = motionData.userAcceleration.y;
double userAcceleration_z = motionData.userAcceleration.z;
NSLog(@"startDeviceMotionUpdates (gravity): %f, %f, %f", gravity_x, gravity_y, gravity_z);
NSLog(@"startDeviceMotionUpdates (userAcceleration): %f, %f, %f", userAcceleration_x, userAcceleration_y, userAcceleration_z);

[self.bridge.eventDispatcher sendDeviceEventWithName:@"MotionData" body:@{
@"gravity": @{
@"x" : [NSNumber numberWithDouble:gravity_x],
@"y" : [NSNumber numberWithDouble:gravity_y],
@"z" : [NSNumber numberWithDouble:gravity_z]
},
@"userAcceleration": @{
@"x" : [NSNumber numberWithDouble:userAcceleration_x],
@"y" : [NSNumber numberWithDouble:userAcceleration_y],
@"z" : [NSNumber numberWithDouble:userAcceleration_z]
},
}];
}];
}

RCT_EXPORT_METHOD(stopDeviceMotionUpdates) {
NSLog(@"stopDeviceMotionUpdates");
[self->_motionManager stopDeviceMotionUpdates];
}

@end