我的目标是给出一个来自 活动B 到 活动A 通过使用广播接收器,它工作得很好。但是当我试图用广播接收器改变活动A中的Fragment时,它显示 "在onSaveInstanceState之后无法执行此操作"
这是我的代码。
活动B
val myintentdata = Intent("message_subject_intent")
myintentdata.putExtra("imagefile", file.path)
LocalBroadcastManager.getInstance(this@IdentitasActivity).sendBroadcast(myintentdata)
finish()
活动A
val mMessageReceiver: BroadcastReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context?, intent: Intent) {
if(intent.hasExtra("penghuni")){
val name = intent.getStringExtra("penghuni")
Toast.makeText(this@NeinActivity, name, Toast.LENGTH_SHORT).show()
}else if(intent.hasExtra("imagefile")){
val name = intent.getStringExtra("imagefile")
Toast.makeText(this@NeinActivity, name, Toast.LENGTH_SHORT).show()
Glide.with(this@NeinActivity).load(name).into(identitas)
supportFragmentManager.beginTransaction().replace(R.id.frame_layout, FragmentSelesai()).commit();
}
}
}
LocalBroadcastManager.getInstance(this)
.registerReceiver(mMessageReceiver, IntentFilter("message_subject_intent"))
所有的帮助对我来说意义重大。