diff --git a/mobile/src/API.js b/mobile/src/API.js
index 66383d8..4853c49 100644
--- a/mobile/src/API.js
+++ b/mobile/src/API.js
@@ -2,7 +2,7 @@ import EventEmitter from "eventemitter3"
 import io from "socket.io-client"
 import { AsyncStorage } from "react-native"
 import autobind from "autobind-decorator"
-import { localIPAddr } from "./development"
+import { localIPAddr } from "./config"
 
 const authTokenKeyName = "AuthToken"
 const backendKeyName = "Backend"
diff --git a/mobile/src/ARViewer/ARViewer.js b/mobile/src/ARViewer/ARViewer.js
index 8429c89..05ceb61 100644
--- a/mobile/src/ARViewer/ARViewer.js
+++ b/mobile/src/ARViewer/ARViewer.js
@@ -137,6 +137,11 @@ class WorkItemSceneAR extends React.Component {
     })
   }
 
+  @autobind
+  handleClick(position, source) {
+    // this.props.history.replace("/activity")
+  }
+
   render() {
     const { position, scale, rotation, shouldBillboard } = this.state
 
@@ -166,6 +171,7 @@ class WorkItemSceneAR extends React.Component {
             resources={shapes["hardhat"].materials}
             type="OBJ"
             onLoadEnd={this.handleLoadEnd}
+            onClick={this.handleClick}
           />
           <ViroSurface
             rotation={[-90, 0, 0]}
@@ -187,7 +193,7 @@ export class ARViewer extends React.Component {
   }
 
   @autobind
-  _handlePress() {
+  handleBackPress() {
     this.props.history.replace("/")
   }
 
@@ -203,7 +209,7 @@ export class ARViewer extends React.Component {
         <View style={{ position: "absolute", left: 30, right: 0, top: 50 }}>
           <TouchableHighlight
             style={styles.buttons}
-            onPress={this._handlePress}
+            onPress={this.handleBackPress}
             underlayColor={"#00000000"}>
             <Image source={backImage} />
           </TouchableHighlight>
diff --git a/mobile/src/App.js b/mobile/src/App.js
index 01de1a6..00cfbe3 100644
--- a/mobile/src/App.js
+++ b/mobile/src/App.js
@@ -4,6 +4,7 @@ import {
   StyleSheet,
   AsyncStorage,
   PermissionsAndroid,
+  Platform,
 } from "react-native"
 import { NativeRouter, Route, Link, Switch } from "react-router-native"
 import MapView from "react-native-maps"
@@ -26,6 +27,13 @@ export const ensurePermission = (
   onSuccess,
   onError
 ) => {
+  if (Platform.OS === "ios") {
+    if (onSuccess) {
+      onSuccess()
+    }
+    return
+  }
+
   PermissionsAndroid.check(permission)
     .then((flag) => {
       if (flag) {
diff --git a/mobile/src/Auth/Login.js b/mobile/src/Auth/Login.js
index a4388ee..6f2ffcb 100644
--- a/mobile/src/Auth/Login.js
+++ b/mobile/src/Auth/Login.js
@@ -19,7 +19,7 @@ import KeyboardSpacer from "react-native-keyboard-spacer"
 import { versionInfo } from "../version"
 import autobind from "autobind-decorator"
 import { isIphoneX } from "react-native-iphone-x-helper"
-import { defaultUser } from "../development"
+import { defaultUser } from "../config"
 
 export class Login extends React.Component {
   static bindings = {
diff --git a/mobile/src/Home/Home.js b/mobile/src/Home/Home.js
index 18b49fd..33ef908 100644
--- a/mobile/src/Home/Home.js
+++ b/mobile/src/Home/Home.js
@@ -19,10 +19,11 @@ import { ifIphoneX } from "react-native-iphone-x-helper"
 import { workItemTypeText, pad, regionContainingPoints } from "../util"
 import { ensurePermission } from "../App"
 import { versionInfo } from "../version"
+import { minGPSAccuracy } from "../config"
 import pinImage from "./images/pin.png"
 
-const minGPSAccuracy = 20
 const neverAskForLocationPermissionKeyName = "NeverAskForLocationPermission"
+const neverAskForCameraKeyName = "NeverAskForCameraPermission"
 
 export class Home extends React.Component {
   constructor(props) {
@@ -37,6 +38,7 @@ export class Home extends React.Component {
         longitudeDelta: 0.0922,
       },
       positionInfo: null,
+      allowCameraAccess: false,
     }
 
     ensurePermission(
@@ -57,6 +59,20 @@ export class Home extends React.Component {
       }
     )
 
+    ensurePermission(
+      PermissionsAndroid.PERMISSIONS.CAMERA,
+      neverAskForCameraKeyName,
+      {
+        title: versionInfo.title,
+        message:
+          "This app needs access to your camera so that " +
+          "you can view AR items.",
+      },
+      () => {
+        this.setState({ allowCameraAccess: true })
+      }
+    )
+
     api
       .listWorkItemActivities()
       .then((list) => {
diff --git a/mobile/src/config.js b/mobile/src/config.js
new file mode 100644
index 0000000..fc23249
--- /dev/null
+++ b/mobile/src/config.js
@@ -0,0 +1,5 @@
+export const localIPAddr = "192.168.1.175"
+export const defaultUser = "john@lyon-smith.org"
+//export const defaultUser = ""
+// export const minGPSAccuracy = 20
+export const minGPSAccuracy = 100
diff --git a/mobile/src/development.js b/mobile/src/development.js
deleted file mode 100644
index 71e1484..0000000
--- a/mobile/src/development.js
+++ /dev/null
@@ -1,3 +0,0 @@
-export const localIPAddr = "192.168.1.175"
-//export const defaultUser = "john@lyon-smith.org"
-export const defaultUser = ""