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Connection disconnects while refreshing Companion #80

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15 changes: 13 additions & 2 deletions appinventor/components/src/edu/mit/appinventor/ble/BluetoothLE.java
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
import com.google.appinventor.components.runtime.Deleteable;
import com.google.appinventor.components.runtime.EventDispatcher;
import com.google.appinventor.components.runtime.Form;
import com.google.appinventor.components.runtime.OnClearListener;
import com.google.appinventor.components.runtime.util.BulkPermissionRequest;
import com.google.appinventor.components.runtime.util.SdkLevel;
import com.google.appinventor.components.runtime.util.YailList;
Expand Down Expand Up @@ -71,13 +72,13 @@
"The BluetoothLE extension requires Android 5.0 or higher to avoid known " +
"issues with Google's Bluetooth LE support prior to Android 5.0.",
category = ComponentCategory.EXTENSION,
versionName = "20240822",
versionName = "20241218",
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@ewpatton ewpatton Jan 5, 2025

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I will bump the version number when we do a release so you don't need to update it as part of the PR.

nonVisible = true,
helpUrl = "https://iot.appinventor.mit.edu/#/bluetoothle/bluetoothleintro",
iconName = "images/bluetooth.png")
@SimpleObject(external = true)
@UsesPermissions({ BLUETOOTH, BLUETOOTH_ADMIN })
public class BluetoothLE extends AndroidNonvisibleComponent implements Component, Deleteable {
public class BluetoothLE extends AndroidNonvisibleComponent implements Component, Deleteable, OnClearListener {
public static final int ERROR_DEVICE_INDEX_OOB = 9101;
public static final int ERROR_SERVICE_INDEX_OOB = 9102;
public static final int ERROR_SERVICE_INVALID_UUID = 9103;
Expand All @@ -101,6 +102,14 @@ public void onDelete() {
}
}

@Override
public void onClear() {
if (inner != null) {
inner.Disconnect();
inner = null;
}
}

public static abstract class BLEResponseHandler<T> {
@SuppressWarnings("unused")
public void onReceive(String serviceUuid, String characteristicUuid, List<T> values) {
Expand Down Expand Up @@ -136,6 +145,8 @@ public BluetoothLE(ComponentContainer container) {
Log.d(LOG_TAG, "Appear to have Bluetooth LE support, continuing...");
}

form.registerForOnClear(this);

inner = new BluetoothLEint(this, form, container);
permissions = new PermissionHelper(getForm(), this);
}
Expand Down