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MainActivity.kt
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MainActivity.kt
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package com.example.flutter_contacts
import android.app.Activity
import android.content.Intent
import android.os.Bundle
import android.provider.ContactsContract
import io.flutter.app.FlutterActivity
import io.flutter.plugin.common.MethodChannel
import io.flutter.plugins.GeneratedPluginRegistrant
class MainActivity : FlutterActivity() {
var lastResult: MethodChannel.Result? = null
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
GeneratedPluginRegistrant.registerWith(this)
MethodChannel(flutterView, CHANNEL).setMethodCallHandler { call, result ->
lastResult = result
launchContactActivity()
}
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (requestCode == REQUEST_CODE) {
if (resultCode == Activity.RESULT_OK) {
lastResult?.success("Done!")
} else {
lastResult?.error("Error", "Can't launch contacts", "")
}
}
}
private fun launchContactActivity() {
val intent = Intent(Intent.ACTION_VIEW)
intent.type = ContactsContract.Contacts.CONTENT_TYPE
startActivityForResult(intent, REQUEST_CODE)
}
companion object {
private const val CHANNEL = "flutter_contacts/launch_contacts"
private const val REQUEST_CODE = 42
}
}