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java.lang.NullPointerException when using SDK on Emulator #134

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homtec opened this issue Dec 20, 2015 · 2 comments
Closed

java.lang.NullPointerException when using SDK on Emulator #134

homtec opened this issue Dec 20, 2015 · 2 comments

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@homtec
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homtec commented Dec 20, 2015

When using the SDK on the standard Android emulator, you get a NullPointerException as BluetoothAdapter is not present.

java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.bluetooth.BluetoothAdapter.isEnabled()' on a null object reference
Poberro added a commit that referenced this issue Dec 22, 2015
@Poberro
- Added ScanStatusListner to BeaconManager. This allows to find you w…
964d435 
…hen scanning really started and when it stopped. User may switch the Bluetooth off and then turn it on when

  application is running. This listener allows to track this events and react properly to them (eg. gray out device list). See ListBeaconsActivity to see sample code.
  ```java
    beaconManager.setScanStatusListener(new BeaconManager.ScanStatusListener() {
      @OverRide public void onScanStart() {
        // Unlock UI
	list.setEnabled(true);
        list.setAlpha(1.0f);
      }

      @OverRide public void onScanStop() {
        // Lock UI
	list.setEnabled(false);
        list.setAlpha(0.5f);
      }
    });
  ```
- Fixed (#134): java.lang.NullPointerException when using SDK on Emulator
@Poberro
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Poberro commented Dec 22, 2015

This issue is fixed in SDK release 0.9.6

@Poberro Poberro closed this as completed Dec 22, 2015
@homtec
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homtec commented Dec 22, 2015

👍

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@homtec @Poberro