setMidiEventListener() can modify the listener used in WaiterThread

kshoji / USB-MIDI-Driver

USB MIDI Driver for Android 3.1 or later

Apache License 2.0

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setMidiEventListener() can modify the listener used in WaiterThread #56

Closed tonggang1308 closed 7 years ago

tonggang1308 commented 8 years ago

setMidiEventListener() can modify the listener used in WaiterThread. In version 0.1.4，even if invoke the setMidiEventListener() , the midiEventListener in WaiterThread Object always is NULL. so, onMidiNoteOn(), onMidiNoteOff() can't be invoke.

kshoji commented 7 years ago

I've cherry-picked this PR and merged to develop branch. Thanks.