Android new permission model in Kanmoba #7

1. New Android
Permission model
@takuji31

2. About me
• @takuji31 (Takuji Nishibayashi)
• Fenrir Inc.
• NNID: takuji31
• Udemae: S / Rank: 40
• Loves Android / Kotlin

3. Kotlin 1.0.0-beta
released 🎉

4. Android 6.0 (Marshmallow)
released 🎉

5. New features

6. Now on Tap

7. Fingerprint

8. New
Permission model

9. targetSdkVersion >= 23

10. Normal permissions
automatically granted

11. Danger permission
needs request at runtime

12. Storage

13. Phone

14. Camera

15. Location

16. Calendar

17. Contacts

18. etc.

19. https://developer.android.com/intl/ja/guide/topics/
security/permissions.html#normal-dangerous

20. Permission grant flow

21. Check -> Request -> Grant

22. Check

23. Check permission status
// In Activity
int permission = ContextCompat.checkSelfPermission(
this, Manifest.permission.WRITE_EXTERNAL_STORAGE
);
if (permission != PackageManager.PERMISSION_GRANTED) {
// not granted
} else {
// granted or pre-Marshmallow
}

24. Request

25. Request permission
if (
ActivityCompat.shouldShowRequestPermissionRationale(
this,
Manifest.permission.WRITE_EXTERNAL_STORAGE
)
) {
// should show rationale
} else {
// needs request permission
ActivityCompat.requestPermissions(
this,
new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
PERMISSION_REQUEST_CODE
);
}

27. Grant

28. Check permission granted
// In Activity
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[]
permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == PERMISSION_REQUEST_CODE) {
int grantResult = grantResults[0];
String statusString = toStatusString(grantResult);
statusTextView.setText(statusString);
if (
grantResults.length > 0 &&
grantResult == PackageManager.PERMISSION_GRANTED
) {
// granted
} else {
// not granted
}
}
}

29. see https://developer.android.com/training/
permissions/index.html