ACCESS_LOCATION_EXTRA_COMMANDS
ACCESS_NETWORK_STATE
ACCESS_NOTIFICATION_POLICY
ACCESS_WIFI_STATE
BLUETOOTH
BLUETOOTH_ADMIN
BROADCAST_STICKY
CHANGE_NETWORK_STATE
CHANGE_WIFI_MULTICAST_STATE
CHANGE_WIFI_STATE
DISABLE_KEYGUARD
EXPAND_STATUS_BAR
GET_PACKAGE_SIZE
INTERNET
KILL_BACKGROUND_PROCESSES
MODIFY_AUDIO_SETTINGS
NFC
READ_SYNC_SETTINGS
READ_SYNC_STATS
RECEIVE_BOOT_COMPLETED
REORDER_TASKS
REQUEST_INSTALL_PACKAGES
SET_TIME_ZONE
SET_WALLPAPER
SET_WALLPAPER_HINTS
TRANSMIT_IR
USE_FINGERPRINT
VIBRATE
WAKE_LOCK
WRITE_SYNC_SETTINGS
SET_ALARM
INSTALL_SHORTCUT
UNINSTALL_SHORTCUT

object MQPermissionUtil {
 private var mRequestCode = -1
 private val isOverMarshmallow: Boolean = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
 private var mOnPermissionListener: OnPermissionListener? = null

 fun requestPermissions(activity: Activity, requestCode: Int, permissions: Array<String>, isCancelFinish: Boolean, onPermissionGrantedListener: OnPermissionGrantedListener) {
  requestPermissionsResult(activity, requestCode, permissions, object : OnPermissionListener {
   override fun onPermissionGranted() {
    onPermissionGrantedListener.onPermissionGranted()
   }

   override fun onPermissionDenied() {
    if (isCancelFinish) {
     showTipsDialogWel(activity)
    } else {
     showTipsDialog(activity)
    }
   }
  })
 }

 private fun requestPermissionsResult(activity: Activity, requestCode: Int, permissions: Array<String>, callback: OnPermissionListener) {
  mOnPermissionListener = callback
  if (checkPermissions(activity, *permissions)) {
   if (mOnPermissionListener != null)
    mOnPermissionListener!!.onPermissionGranted()
  } else {
   val deniedPermissions = getDeniedPermissions(activity, *permissions)
   if (deniedPermissions.isNotEmpty()) {
    mRequestCode = requestCode
    ActivityCompat.requestPermissions(activity, deniedPermissions
      .toTypedArray(), requestCode)
   }
  }
 }

 fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
  if (requestCode == mRequestCode) {
   if (verifyPermissions(grantResults)) {
    if (mOnPermissionListener != null)
     mOnPermissionListener!!.onPermissionGranted()
   } else {
    if (mOnPermissionListener != null)
     mOnPermissionListener!!.onPermissionDenied()
   }
  }
 }

 private fun startAppSettings(context: Context) {
  val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
  intent.data = Uri.parse("package:" + context.packageName)
  context.startActivity(intent)
 }

 private fun verifyPermissions(grantResults: IntArray): Boolean {
  if (grantResults.isEmpty())
   return false

  // 循環(huán)判斷每個(gè)權(quán)限是否被拒絕
  for (grantResult in grantResults) {
   if (grantResult != PackageManager.PERMISSION_GRANTED) {
    return false
   }
  }
  return true
 }

 private fun getDeniedPermissions(context: Context, vararg permissions: String): List<String> {
  val deniedPermissions = ArrayList<String>()
  for (permission in permissions) {
   if (ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_DENIED) {
    deniedPermissions.add(permission)
   }
  }
  return deniedPermissions
 }


 private fun checkPermissions(context: Context, vararg permissions: String): Boolean {
  if (isOverMarshmallow) {
   for (permission in permissions) {
    if (ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_DENIED) {
     return false
    }
   }
  }
  return true
 }

 fun showTipsDialog(activity: Activity) {
  AlertDialog.Builder(activity)
    .setTitle("提示信息")
    .setMessage("當(dāng)前應(yīng)用缺少必要權(quán)限，無(wú)法正常使用，請(qǐng)單擊【確定】按鈕前往設(shè)置中心進(jìn)行權(quán)限授權(quán)。")
    .setNegativeButton("取消", null)
    .setPositiveButton("確定") { _, _ ->
     activity.finish()
     startAppSettings(activity)
    }.show()
 }

 fun showTipsDialogWel(activity: Activity) {
  AlertDialog.Builder(activity)
    .setTitle("提示信息")
    .setMessage("當(dāng)前應(yīng)用缺少必要權(quán)限，無(wú)法正常使用，請(qǐng)單擊【確定】按鈕前往設(shè)置中心進(jìn)行權(quán)限授權(quán)。")
    .setNegativeButton("取消") { _, _ -> activity.finish() }
    .setPositiveButton("確定") { _, _ ->
     activity.finish()
     startAppSettings(activity)
    }.show()
 }

 interface OnPermissionGrantedListener {
  fun onPermissionGranted()
 }

 interface OnPermissionListener {
  fun onPermissionGranted()
  fun onPermissionDenied()
 }
}

MangoPermissionUtil.requestPermissions(this@IndexActivity, Constant.PERMISSION_OPERATION_CODE_SCAN, arrayOf(Manifest.permission.CAMERA), false, object : MangoPermissionUtil.OnPermissionGrantedListener {
 override fun onPermissionGranted() {
  //在這表示用戶同意了權(quán)限申請(qǐng)。
  //假如用戶拒絕了權(quán)限申請(qǐng)?jiān)谶@兒我是沒讓他進(jìn)入到應(yīng)用中的效果如下
 }
})

override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
 MangoPermissionUtil.onRequestPermissionsResult(requestCode, permissions, grantResults)
 super.onRequestPermissionsResult(requestCode, permissions, grantResults)
}