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Fix the issue-1894: BluetoothSocket read change introduced in API37 #1895

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Fix the issue-1894: BluetoothSocket read change introduced in API37 #1895

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8 changes: 8 additions & 0 deletions .../sdl_android/src/main/java/com/smartdevicelink/transport/MultiplexBluetoothTransport.java
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Original file line number Diff line number Diff line change
Expand Up @@ -777,6 +777,14 @@ public void run() {
while (true) {
try {
bytesRead = mmInStream.read(buffer);
// API-37 changes the read value to -1 when connection is dropped.
// See https://developer.android.com/about/versions/17/behavior-changes-17#bluetooth-rfcomm-socket-change for details.
// We need to handle this case to break the loop.
if (bytesRead == -1) {
DebugTool.logInfo(TAG, "bytesRead returns -1...dealing with connection lost");
connectionLost();
break;
}
// Log.i(getClass().getName(), "Received " + bytesRead + " bytes from Bluetooth");
for (int i = 0; i < bytesRead; i++) {
input = buffer[i];
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