package com.example.user

import android.content.pm.PackageManager
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.support.v4.app.ActivityCompat
import android.util.Log

class MainActivity : AppCompatActivity() {

    var userMicrophonePermissionAgreeCode = 1
    var tag = "MainActivity message"

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val agree = ActivityCompat.checkSelfPermission(this@MainActivity.applicationContext, android.Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED
        if(agree){
            Log.i(tag,"Yes, agree!!")
        }else{
            Log.i(tag,"No, go to ask permission!!")
            ActivityCompat.requestPermissions(this, arrayOf(android.Manifest.permission.CAMERA), userMicrophonePermissionAgreeCode)
        }

        Log.i(tag,"Ok, the permission is agree, then you can write some work!!!!")
    }

    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
        when(requestCode){
            userMicrophonePermissionAgreeCode -> {
                if(grantResults[0]==PackageManager.PERMISSION_GRANTED)
                    Log.i(tag,"Ask and you agree permission")
                else this.recreate()
            }
        }
    }
}