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add ensuring ble stack ready to readme #305

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Jul 4, 2021
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add ensuring ble stack ready to readme #305

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11 changes: 10 additions & 1 deletion README.md
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Expand Up @@ -54,6 +54,9 @@ _ble.statusStream.listen((status) {

Use ` _ble.status` to get the current status of the host device.

See [BleStatus](https://github.com/PhilipsHue/flutter_reactive_ble/blob/master/lib/src/model/ble_status.dart) for
more info about the meaning of the different statuses.

### Establishing connection

To interact with a device you first need to establish a connection:
Expand Down Expand Up @@ -216,7 +219,13 @@ In case you are using ProGuard add the following snippet to your `proguard-rules
-keep class com.signify.hue.** { *; }
```

This will prevent issues like [#131](https://github.com/PhilipsHue/flutter_reactive_ble/issues/131) .
This will prevent issues like [#131](https://github.com/PhilipsHue/flutter_reactive_ble/issues/131).

#### Why doesn't the BLE stack directly connect to my peripheral

Before you are able to execute BLE operations the BLE-stack of the device makes sure everything is setup correctly and then reports ready for operation. For some devices this takes a bit longer than for others. When starting the app make sure that the BLE-stack is properly initialized before you execute BLE operations. The safest way to do this is by listening to the `statusStream` and wait for `BleStatus.ready`.

This will prevent issues like [#147](https://github.com/PhilipsHue/flutter_reactive_ble/issues/147).

#### Unofficial example apps

Expand Down