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Runtime permissions
in Android 11
2020.11.27 YUMEMI.apk #2
Hiroyuki Kusu ( @hkusu_ )
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About me
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• 1ճ͚ͩͷΞΫηεڐՄΦϓγϣϯ͕ՃʢҐஔใɺϚΠΫɺΧϝϥͷ߹ͷΈʣ
• ෳճڋ൱͢Δͱʮࠓޙ֬ೝ͠ͳ͍ʯঢ়ଶͱͳΔ
• ݖݶΛࣗಈతʹϦηοτ͢Δઃఆ͕Ճ
ΞϓϦͷ targetSdkVersion ʹؔͳ͘ɺAPI Level 30 Ҏ্ͷσόΠεͰ
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Ґஔใͷ߹
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※ ΞϓϦͷ targetSdkVersion ͕ 30Ҏ্ͷ߹σϑΥϧτͰࣗಈϦηοτ͕ON
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ैདྷͲ͓ΓɺػೳΛར༻͢ΔલͰ permission Λ
औಘ͢ΔίʔυΛॻ͍͍ͯΕɺͱΓ͋͑ͣେৎͦ͏ɻ
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class MainFragment : Fragment(R.layout.main_fragment) {
// ...
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
// FragmentͷੜϑΣʔζͰొ͠ͳ͍ͱΤϥʔʹͳΔͷͰҙ
val locationPermission = registerForActivityResult(
ActivityResultContracts.RequestPermission()
) { isGranted ->
when {
// طʹڐՄ͞Ε͍ͯͨ or μΠΞϩά͕දࣔ͞Ε[ΞϓϦͷ༻࣌ͷΈ]·ͨ[ࠓճͷΈ]͕ԡԼ͞Εͨ
isGranted -> {
// ...
}
// طʹڋ൱͞Ε͍ͯͨ or μΠΞϩά͕දࣔ͞Ε[ڐՄ͠ͳ͍]͕ԡԼ͞Εͨ
else -> {
// ...
}
}
}
button.setOnClickListener {
locationPermission.launch(Manifest.permission.ACCESS_FINE_LOCATION)
}
※ ActivityResultContracts androidx.activity ͷ 1.2.0ɺandroidx.fragment ͷ 1.3.0 Ҏ߱Ͱར༻͕Մ
ϘλϯΛԡԼͨ͠ΒҐஔใΛར༻ͨ͠ԿΒ͔ͷॲཧΛ࣮ߦ͢Δྫɿ
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• ContextCompat.checkSelfPermission()
• ݱ࣌Ͱݖݶ͕ڐՄ͞Ε͍ͯΔ͔
• ActivityCompat.shouldShowRequestPermissionRationale()
• ʮࠓޙ֬ೝ͠ͳ͍ʯঢ়ଶ͔
• PackageManager#isAutoRevokeWhitelisted()
• ݖݶͷࣗಈϦηοτ͕ONͰ͋Δ͔
• ͨͩ͠৽͍͠APIͳͷͰҎԼͷ߹ͷΈར༻͕Մೳ
• compileSdkVersion ͕ 30Ҏ্
• API Level 30Ҏ্ͷσόΠε
• Build.VERSION.SDK_INT
• σόΠεͷ API Level
• 30ະຬैདྷͷpermissionͷ༷ͷ··ͳͷͰUIΛ͚Δ߹
ͨͩ͠ɺϢʔβʹڐՄΛଅ͢ͳΒɺ
͋ͨΓΛར༻ͯ͠ಋઢจݴΛ੍ޚ͠ɺUIΛͨ͠ํ͕Αͦ͞͏ɻ
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Thank you !
@hkusu_