chore (README) add entry for callbackType in scan options & document …

…default values.

BleManager.js

@@ -250,7 +250,7 @@ class BleManager {
       }
 
       // (ANDROID) Match as many advertisement per filter as hw could allow
-      // dependes on current capability and availability of the resources in hw.
+      // depends on current capability and availability of the resources in hw.
       if (scanningOptions.numberOfMatches == null) {
         scanningOptions.numberOfMatches = 3;
       }
@@ -260,7 +260,7 @@ class BleManager {
         scanningOptions.matchMode = 1;
       }
 
-      // (ANDROID) Defaults to SCAN_MODE_LOW_POWER on android
+      // (ANDROID) Defaults to SCAN_MODE_LOW_POWER
       if (scanningOptions.scanMode == null) {
         scanningOptions.scanMode = 0;
       }
@@ -272,6 +272,7 @@ class BleManager {
         scanningOptions.callbackType = 1;
       }
 
+      // (ANDROID) Defaults to 0ms (report results immediately).
       if (scanningOptions.reportDelay == null) {
         scanningOptions.reportDelay = 0;
       }

README.md

@@ -122,7 +122,7 @@ BleManager.start({ showAlert: false }).then(() => {
 
 ### scan(serviceUUIDs, seconds, allowDuplicates, scanningOptions)
 
-Scan for availables peripherals.
+Scan for available peripherals.
 Returns a `Promise` object.
 
 **Arguments**
@@ -131,10 +131,11 @@ Returns a `Promise` object.
 - `seconds` - `Integer` - the amount of seconds to scan.
 - `allowDuplicates` - `Boolean` - [iOS only] allow duplicates in device scanning
 - `scanningOptions` - `JSON` - [Android only] after Android 5.0, user can control specific ble scan behaviors:
-  - `numberOfMatches` - `Number` - [Android only] corresponding to [`setNumOfMatches`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setNumOfMatches(int)>)
-  - `matchMode` - `Number` - [Android only] corresponding to [`setMatchMode`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setMatchMode(int)>)
-  - `scanMode` - `Number` - [Android only] corresponding to [`setScanMode`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setScanMode(int)>)
-  - `reportDelay` - `Number` - [Android only] corresponding to [`setReportDelay`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setReportDelay(long)>)
+  - `numberOfMatches` - `Number` - [Android only] corresponding to [`setNumOfMatches`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setNumOfMatches(int)>). Defaults to `ScanSettings.MATCH_NUM_MAX_ADVERTISEMENT`.
+  - `matchMode` - `Number` - [Android only] corresponding to [`setMatchMode`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setMatchMode(int)>). Defaults to `ScanSettings.MATCH_MODE_AGGRESSIVE`.
+  - `callbackType` - `Number` - [Android only] corresponding to [`setCallbackType`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setCallbackType(int)>). Defaults `ScanSettings.CALLBACK_TYPE_ALL_MATCHES`.
+  - `scanMode` - `Number` - [Android only] corresponding to [`setScanMode`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setScanMode(int)>). Defaults to `ScanSettings.SCAN_MODE_LOW_POWER`.
+  - `reportDelay` - `Number` - [Android only] corresponding to [`setReportDelay`](<https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder.html#setReportDelay(long)>). Defaults to `0ms`.
   - `phy` - `Number` - [Android only] corresponding to [`setPhy`](https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder#setPhy(int))
   - `legacy` - `Boolean` - [Android only] corresponding to [`setLegacy`](https://developer.android.com/reference/android/bluetooth/le/ScanSettings.Builder#setLegacy(boolean))