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[英]How to pass edittext values from recyclerview adapter to activity in android
[英]How to pass multiple EditText values from RecyclerView adapter to main Activity?
我想將多個 EditText 值從 RecyclerView 傳遞到主 Activity。 我用 BroadcastReceiver 來處理這個問題。 而 addTextChangedListener 用於從 EditText 中獲取變化的文本。 在這里我分享了我的代碼。 請檢查並建議我一個解決方案。
適配器代碼:
holder.textBox.addTextChangedListener(object : TextWatcher {
override fun afterTextChanged(p0: Editable?) {
var texts = ArrayList<String>()
texts.add(p0.toString())
val intent = Intent("custom-message")
intent.putStringArrayListExtra("quantity", texts)
LocalBroadcastManager.getInstance(context).sendBroadcast(intent)
}
override fun beforeTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {}
override fun onTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {}
})
主要活動代碼:
val broadCastReceiver = object : BroadcastReceiver() {
override fun onReceive(contxt: Context?, intent: Intent?) {
qty = intent!!.getStringArrayListExtra("quantity")
Log.d("broadCastReceiver", qty.toString())
}
}
LocalBroadcastManager.getInstance(this)
.registerReceiver(broadCastReceiver, IntentFilter("custom-message"))
只需使用回調function。
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