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December 10, 2017 17:25
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Kivy Android audio player implementation
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| """ | |
| Kivy audio implementation for Android using native API | |
| ====================================================== | |
| """ | |
| from jnius import autoclass | |
| from kivy.core.audio import Sound, SoundLoader | |
| MediaPlayer = autoclass("android.media.MediaPlayer") | |
| FileInputStream = autoclass("java.io.FileInputStream") | |
| AudioManager = autoclass("android.media.AudioManager") | |
| class SoundAndroidPlayer(Sound): | |
| @staticmethod | |
| def extensions(): | |
| return ("mp3", "mp4", "aac", "3gp", "flac", "mkv", "wav", "ogg") | |
| def __init__(self, **kwargs): | |
| self._mediaplayer = None | |
| super(SoundAndroidPlayer, self).__init__(**kwargs) | |
| def load(self): | |
| self.unload() | |
| self._mediaplayer = MediaPlayer() | |
| self._mediaplayer.setAudioStreamType(AudioManager.STREAM_MUSIC); | |
| self._mediaplayer.setDataSource(self.filename) | |
| self._mediaplayer.prepare() | |
| def unload(self): | |
| self.stop() | |
| self._mediaplayer = None | |
| def play(self): | |
| if not self._mediaplayer: | |
| return | |
| self._mediaplayer.start() | |
| super(SoundAndroidPlayer, self).play() | |
| def stop(self): | |
| if not self._mediaplayer: | |
| return | |
| self._mediaplayer.reset() | |
| def seek(self, position): | |
| if not self._mediaplayer: | |
| return | |
| self._mediaplayer.seek(float(position)) | |
| def get_pos(self): | |
| if self._mediaplayer: | |
| return self._mediaplayer.getCurrentPosition() / 1000. | |
| return super(SoundAndroidPlayer, self).get_pos() | |
| def on_volume(self, instance, volume): | |
| if self._mediaplayer: | |
| volume = float(volume) | |
| self._mediaplayer.setVolume(volume, volume) | |
| def _get_length(self): | |
| if self._mediaplayer: | |
| return self._mediaplayer.getDuration() / 1000. | |
| return super(SoundAndroidPlayer, self)._get_length() | |
| SoundLoader.register(SoundAndroidPlayer) |
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it is supposed to run in Android ! if you run it in any other platform it will throw that error for sure