https://stackoverflow.com/questions/39954822/battery-optimizations-wakelocks-on-huawei-emui-4-0/47053479#47053479 Huawei端末の雑なApp Killer まじで困る…
https://stackoverflow.com/questions/39954822/battery-optimizations-wakelocks-on-huawei-emui-4-0/47053479#47053479 Huawei端末の雑なApp Killer まじで困る…
おう、Android 8.0 で試したら https://stackoverflow.com/questions/46173460/why-in-android-o-method-settings-candrawoverlays-returns-false-when-user-has を踏んだ…