LottieSample/src/main/kotlin/com/airbnb/lottie/samples/QRScanActivity.kt

package com.airbnb.lottie.samples

import android.app.Activity
import android.content.Context
import android.content.Intent
import android.graphics.PointF
import android.os.Bundle
import android.os.Vibrator
import android.support.v7.app.AppCompatActivity
import com.dlazaro66.qrcodereaderview.QRCodeReaderView
import kotlinx.android.synthetic.main.activity_qrscan.*

class QRScanActivity : AppCompatActivity(), QRCodeReaderView.OnQRCodeReadListener {
    private val vibrator by lazy { getSystemService(Context.VIBRATOR_SERVICE) as Vibrator }

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

        qrView.setQRDecodingEnabled(true)
        qrView.setAutofocusInterval(2000L)
        qrView.setBackCamera()
        qrView.setOnQRCodeReadListener(this)
        qrView.setOnClickListener { qrView.forceAutoFocus() }
    }

    override fun onResume() {
        super.onResume()
        qrView.startCamera()
    }

    override fun onPause() {
        super.onPause()
        qrView.stopCamera()
    }

    override fun onQRCodeRead(url: String, pointFS: Array<PointF>) {
        vibrator.vibrate(100)
        val resultIntent = Intent()
        resultIntent.putExtra(AnimationFragment.EXTRA_URL, url)
        setResult(Activity.RESULT_OK, resultIntent)
        finish()
    }
}