[英]I try to pass the image from Adapter to the other activity with intent in Kotlin, Android, but ıt does not display. What should I do?
[英]How can I pass the arrayList from adapter to new activity with intent in kotlin, android app?
我是制作应用程序的新手。 我想将数据从适配器传递到新活动。 我想转移 PastNotesActivity,但它不起作用。因为 oldTitleName 向我显示了错误:找到字符串,需要可编辑。 我该如何解决?
class NoteAdapter(private var titleText: ArrayList<String>, private var image: ArrayList<String>) : RecyclerView.Adapter<NoteAdapter.ViewHolder>() {
inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
val itemTitle : TextView = itemView.findViewById(R.id.recyclerTitleText)
val itemImage : ImageView = itemView.findViewById(R.id.recyclerImage)
init {
itemView.setOnClickListener { v: View ->
// Toast.makeText(itemView.context,"You clicked on item # ${position + 1}", Toast.LENGTH_SHORT).show()
val intent = Intent(itemView.context, PastNotesActivity::class.java)
intent.putExtra("oldTitle", titleText[position])
itemView.context.startActivity(intent)
}
}
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
val v = LayoutInflater.from(parent.context).inflate(R.layout.recycler_row, parent, false)
return ViewHolder(v)
}
override fun onBindViewHolder(holder: ViewHolder, position: Int) {
holder.itemTitle.text = titleText[position]
Picasso.get().load(image[position]).into(holder.itemImage)
}
override fun getItemCount(): Int {
return titleText.size
}
}
这是 PastNotesActivity,oldTitleName 显示错误:找到字符串,需要可编辑。 我该如何解决?
class PastNotesActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_past_notes)
val intent = intent
val oldTitleName = intent.getStringExtra("oldTitle")
pastTitleText.text = oldTitleName
val navBarTitle = intent.getStringExtra("oldTitle")
supportActionBar?.title = navBarTitle
}
}
假设您将项目的文本从 recyclerView 传递到所需活动的 textView。
编码这个...
val intent = Intent(itemView.context, PastNotesActivity::class.java)
intent.putExtra("sampledText", "test123")
并在您想要的活动中对此进行编码...
val textFromIntent = intent.getStringExtra("sampledText")
textView.text = textFromintent
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