--- a/src/buildozer.spec	Mon Dec 26 20:34:58 2016 +0100
+++ b/src/buildozer.spec	Tue Dec 27 21:54:09 2016 +0100
@@ -74,7 +74,7 @@
 fullscreen = 1
 
 # (list) Permissions
-android.permissions = INTERNET, ACCESS_NETWORK_STATE, VIBRATE
+android.permissions = INTERNET, ACCESS_NETWORK_STATE, VIBRATE, RECORD_AUDIO
 
 # (int) Android API to use
 #android.api = 19

--- a/src/cagou/plugins/plugin_upload_android_photo.py	Mon Dec 26 20:34:58 2016 +0100
+++ b/src/cagou/plugins/plugin_upload_android_photo.py	Tue Dec 27 21:54:09 2016 +0100
@@ -25,8 +25,8 @@
 import os
 import os.path
 import time
-from plyer import camera
 if sys.platform == "android":
+    from plyer import camera
     from jnius import autoclass
     Environment = autoclass('android.os.Environment')
 else:

--- a/src/cagou/plugins/plugin_upload_android_video.py	Mon Dec 26 20:34:58 2016 +0100
+++ b/src/cagou/plugins/plugin_upload_android_video.py	Tue Dec 27 21:54:09 2016 +0100
@@ -25,8 +25,8 @@
 import os
 import os.path
 import time
-from plyer import camera
 if sys.platform == "android":
+    from plyer import camera
     from jnius import autoclass
     Environment = autoclass('android.os.Environment')
 else:

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cagou/plugins/plugin_upload_voice.kv	Tue Dec 27 21:54:09 2016 +0100
@@ -0,0 +1,71 @@
+# Cagou: desktop/mobile frontend for Salut à Toi XMPP client
+# Copyright (C) 2016 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/>.
+
+#:import _ sat.core.i18n._
+#:import IconButton cagou.core.common.IconButton
+
+
+<VoiceRecorder>:
+    orientation: "vertical"
+    counter: counter
+    Label:
+        size_hint: 1, 0.4
+        text_size: self.size
+        halign: 'center'
+        valign: 'top'
+        text: _(u"Push the microphone button to start the record, then push it again to stop it.\nWhen you are satisfied, click on the upload button")
+    Label:
+        id: counter
+        size_hint: 1, None
+        height: dp(60)
+        bold: True
+        font_size: sp(40)
+        text_size: self.size
+        text: u"{}:{:02}".format(root.time/60, root.time%60)
+        halign: 'center'
+        valign: 'middle'
+    BoxLayout:
+        size_hint: 1, None
+        height: dp(60)
+        Widget
+        IconButton:
+            source: app.expand("{media}/icons/muchoslava/png/") + ("micro_on_50.png" if root.recording else "micro_off_50.png")
+            allow_stretch: True
+            size_hint: None, None
+            size: dp(60), dp(60)
+            on_release: root.switchRecording()
+        IconButton:
+            opacity: 0 if root.recording or not root.time and not root.playing else 1
+            source: app.expand("{media}/icons/muchoslava/png/") + ("stop_50.png" if root.playing else "play_50.png")
+            allow_stretch: True
+            size_hint: None, None
+            size: dp(60), dp(60)
+            on_release: root.playRecord()
+        Widget
+    Widget:
+        size_hint: 1, None
+        height: dp(50)
+    Button:
+        text: "upload"
+        size_hint: 1, None
+        height: dp(50)
+        on_release: root.callback(root.audio.file_path)
+    Button:
+        text: "cancel"
+        size_hint: 1, None
+        height: dp(50)
+        on_release: root.cancel_cb(root)
+    Widget

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cagou/plugins/plugin_upload_voice.py	Tue Dec 27 21:54:09 2016 +0100
@@ -0,0 +1,110 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Cagou: desktop/mobile frontend for Salut à Toi XMPP client
+# Copyright (C) 2016 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 sat.core import log as logging
+log = logging.getLogger(__name__)
+from sat.core.i18n import _
+from kivy.uix.boxlayout import BoxLayout
+import sys
+import time
+from kivy.clock import Clock
+if sys.platform == "android":
+    from kivy import properties
+    from plyer import audio
+
+
+PLUGIN_INFO = {
+    "name": _(u"voice"),
+    "main": "VoiceRecorder",
+    "platforms": ["android"],
+    "description": _(u"upload a voice record"),
+}
+
+
+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 _updateTimer(self, dt):
+        self.time = int(time.time() - self._started_at)
+
+    def switchRecording(self):
+        if self.playing:
+            self._stopPlaying()
+        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(u"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._updateTimer, 1)
+
+        self.recording = not self.recording
+
+    def _stopPlaying(self, dummy=None):
+        if self.record_time is None:
+            log.error("_stopPlaying 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 playRecord(self):
+        if self.recording:
+            return
+        if self.playing:
+            self._stopPlaying()
+        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(u"Exception on play: {}".format(e))
+                self.time = 0
+                return
+
+            self.playing = True
+            self.record_time = self.time
+            Clock.schedule_once(self._stopPlaying, self.time + 1)
+            self._started_at = time.time()
+            self.time = 0
+            self._counter_timer =  Clock.schedule_interval(self._updateTimer, 0.5)