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import logging
try:
import jnius
except ImportError:
jnius = None
# link address of related support library:
# https://maven.google.com/com/android/support/support-v4/24.1.1/support-v4-24.1.1.aar
# inspired by stackoverflow.com/questions/47510030/
# as functools (reduce,partial,map) do not seem to work in python3 on android,
# implemented in a classic functional way.
# LB190927.
# wait loop removed. (Implement it in external code if needed.)
# LB191011.
# supportlib replaced by androidx.appcompat
# LB221121.
class AndroidPerms(object):
def __init__(self):
if jnius is None:
return
self.PythonActivity = jnius.autoclass(
'org.kivy.android.PythonActivity')
self.Compat = jnius.autoclass(
'androidx.core.content.ContextCompat')
self.currentActivity = jnius.cast(
'android.app.Activity', self.PythonActivity.mActivity)
self.build = jnius.autoclass("android.os.Build")
self.version = jnius.autoclass("android.os.Build$VERSION")
self.vcodes = jnius.autoclass("android.os.Build$VERSION_CODES")
def getPerm(self, permission):
if jnius is None:
return True
p = self.Compat.checkSelfPermission(self.currentActivity, permission)
return p == 0
# check actual permissions
def getPerms(self, permissions):
if jnius is None:
return True
haveperms = True
for perm in permissions:
haveperms = haveperms and self.getPerm(perm)
return haveperms
# invoke the permissions dialog
def requestPerms(self, permissions):
if jnius is None:
return True
logging.info("androidperms: API version %d" % (self.version.SDK_INT))
if self.version.SDK_INT > 29:
return
logging.info("androidperms: invoke permission dialog")
self.currentActivity.requestPermissions(permissions, 0)
return
def getStoragePerm():
ap = AndroidPerms()
return ap.getPerms(
["android.permission.WRITE_EXTERNAL_STORAGE"])
def requestStoragePerm():
ap = AndroidPerms()
ap.requestPerms(
["android.permission.WRITE_EXTERNAL_STORAGE"])
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