--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/desktop_kivy/plugins/plugin_transfer_voice.py	Fri Jun 02 18:26:16 2023 +0200
@@ -0,0 +1,112 @@
+#!/usr/bin/env python3
+
+
+#Libervia Desktop-Kivy
+# Copyright (C) 2016-2021 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+from libervia.backend.core import log as logging
+log = logging.getLogger(__name__)
+from libervia.backend.core.i18n import _
+from kivy.uix.boxlayout import BoxLayout
+import sys
+import time
+from kivy.clock import Clock
+from kivy import properties
+if sys.platform == "android":
+    from plyer import audio
+
+
+PLUGIN_INFO = {
+    "name": _("voice"),
+    "main": "VoiceRecorder",
+    "platforms": ["android"],
+    "description": _("transmit a voice record"),
+    "icon_medium": "{media}/icons/muchoslava/png/micro_off_50.png",
+    "android_permissons": ["RECORD_AUDIO"],
+}
+
+
+class VoiceRecorder(BoxLayout):
+    callback = properties.ObjectProperty()
+    cancel_cb = properties.ObjectProperty()
+    recording = properties.BooleanProperty(False)
+    playing = properties.BooleanProperty(False)
+    time = properties.NumericProperty(0)
+
+    def __init__(self, **kwargs):
+        super(VoiceRecorder, self).__init__(**kwargs)
+        self._started_at = None
+        self._counter_timer = None
+        self._play_timer = None
+        self.record_time = None
+        self.audio = audio
+        self.audio.file_path = "/sdcard/cagou_record.3gp"
+
+    def _update_timer(self, dt):
+        self.time = int(time.time() - self._started_at)
+
+    def switch_recording(self):
+        if self.playing:
+            self._stop_playing()
+        if self.recording:
+            try:
+                audio.stop()
+            except Exception as e:
+                # an exception can happen if record is pressed
+                # repeatedly in a short time (not a normal use)
+                log.warning("Exception on stop: {}".format(e))
+            self._counter_timer.cancel()
+            self.time = self.time + 1
+        else:
+            audio.start()
+            self._started_at = time.time()
+            self.time = 0
+            self._counter_timer = Clock.schedule_interval(self._update_timer, 1)
+
+        self.recording = not self.recording
+
+    def _stop_playing(self, __=None):
+        if self.record_time is None:
+            log.error("_stop_playing should no be called when record_time is None")
+            return
+        audio.stop()
+        self.playing = False
+        self.time = self.record_time
+        if self._counter_timer is not None:
+            self._counter_timer.cancel()
+
+    def play_record(self):
+        if self.recording:
+            return
+        if self.playing:
+            self._stop_playing()
+        else:
+            try:
+                audio.play()
+            except Exception as e:
+                # an exception can happen in the same situation
+                # as for audio.stop() above (i.e. bad record)
+                log.warning("Exception on play: {}".format(e))
+                self.time = 0
+                return
+
+            self.playing = True
+            self.record_time = self.time
+            Clock.schedule_once(self._stop_playing, self.time + 1)
+            self._started_at = time.time()
+            self.time = 0
+            self._counter_timer =  Clock.schedule_interval(self._update_timer, 0.5)