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GhostFragment.kt
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GhostFragment.kt
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package com.demon.ara.ghost
import android.app.Activity
import android.content.Context
import android.content.Intent
import androidx.fragment.app.Fragment
/**
* @author DeMon
* Created on 2022/3/4.
* E-mail idemon_liu@qq.com
* Desc:
*/
class GhostFragment : Fragment() {
private var requestCode = -1
private var intent: Intent? = null
private var callback: ((result: Intent?) -> Unit)? = null
fun init(requestCode: Int, intent: Intent, callback: ((result: Intent?) -> Unit)) {
this.requestCode = requestCode
this.intent = intent
this.callback = callback
}
private var activityStarted = false
override fun onAttach(activity: Activity) {
super.onAttach(activity)
if (!activityStarted) {
activityStarted = true
intent?.let { startActivityForResult(it, requestCode) }
}
}
override fun onAttach(context: Context) {
super.onAttach(context)
if (!activityStarted) {
activityStarted = true
intent?.let { startActivityForResult(it, requestCode) }
}
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (resultCode == Activity.RESULT_OK && requestCode == this.requestCode) {
callback?.let { it1 -> it1(data) }
}
}
override fun onDetach() {
super.onDetach()
intent = null
callback = null
}
}