[英]How to detect phone lock/unlock in android with KivyMD?
我正在嘗試制作一個需要在用戶鎖定手機時保存一些數據,然后在手機解鎖時讀取它的應用程序, def on_pause
和def on_resume
可以工作嗎?
在buildozer.spec中放:
要求 = kivy==2.0.0,jnius,kivymd,android
android.minapi = 21
from kivy.lang import Builder
from kivy.utils import platform
from kivymd.app import MDApp
if platform == 'android':
from jnius import autoclass
PowerManager = autoclass('android.os.PowerManager')
Context = autoclass("android.content.Context")
context = autoclass("org.kivy.android.PythonActivity").mActivity
KV = """
Screen:
MDLabel:
id: label
text: 'Screen states:'
halign: 'center'
"""
class TestApp(MDApp):
def build(self):
return Builder.load_string(KV)
def check_is_phone_lock(self):
if platform == 'android':
try:
powerManager = context.getSystemService(Context.POWER_SERVICE)
isScreenOn = powerManager.isInteractive()
print(f'isScreenOn: {isScreenOn}')
screen_state = 'Off' if isScreenOn is False else 'On'
self.root.ids.label.text += f'\nscreen - {screen_state}'
return screen_state
except Exception as err:
return str(err)
def on_pause(self):
self.check_is_phone_lock()
return True
def on_resume(self):
self.check_is_phone_lock()
TestApp().run()
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