'permission' 권한 요청

fun AppCompatActivity.checkSelfPermissionCompat(permission: String) =
        ActivityCompat.checkSelfPermission(this, permission)

fun AppCompatActivity.shouldShowRequestPermissionRationaleCompat(permission: String) =
        ActivityCompat.shouldShowRequestPermissionRationale(this, permission)

fun AppCompatActivity.requestPermissionsCompat(permissionsArray: Array<String>,
        requestCode: Int) {
    ActivityCompat.requestPermissions(this, permissionsArray, requestCode)
}

checkSelfPermissionCompat

: 권한 존재 여부 체크

 

shouldShowRequestPermissionRationaleCompat

: 사용자 권한거부 이력 체크

 

requestPermissionsCompat

: 권한이 없다면 실제 권한 요청

 

참고 구글 문서 https://developer.android.com/training/permissions/requesting?hl=ko

참고 구글 예제 https://github.com/googlearchive/android-RuntimePermissionsBasic/blob/master/