从嵌套 recyclerview 的所有输入框中获取所有编辑文本是获取最新的 recyclerview 项目而不是所有数据
Fetching all edit text from all input box of nested recylerview is fetching latest recylerview item instead all data
我在此处添加代码，我试图在 textview click 上获取所有输入字段值（所有嵌套的 recyler 视图项）。因此，如果我有 2 个父 recylerview 和第一个父 3 个子回收器项目以及第二个父 recylerview 4 个子项目。那么我如何在 textview 单击父项或从 mainactivity 中获取所有 7 个项目详细信息。我只得到最后添加的 4 个项目，而没有获取第一个父项目。我缺少什么？提前致谢。
//Main class
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
createMockData()
}
@SuppressLint("WrongConstant")
private fun bindDataWithUi(itemData: ArrayList<HashMap<String, String>>) {
// Create vertical Layout Manager
val locationDatesList = findViewById<RecyclerView>(R.id.locationDatesList)
val tv = findViewById<TextView>(R.id.tv)
locationDatesList.layoutManager = LinearLayoutManager(this, LinearLayout.VERTICAL, false)
// Access RecyclerView Adapter and load the data
val adapter = MainAdapter(itemData)
locationDatesList.adapter = adapter
tv.setOnClickListener(View.OnClickListener {
try {
var data = adapter.getAllItemDetails()
for(result in data){
System.out.println(result)
}
}catch (e:Exception){
e.printStackTrace()
}
})
}
private fun createMockData() {
// Initialize test locations
val items: ArrayList<HashMap<String, String>> = ArrayList()
val time = System.currentTimeMillis()
// Load items into ArrayList
items.add(hashMapOf("A" to "B", "C" to "D", "time" to time.toString()))
val tomorrowTime = time + (1000 * 60 * 60 * 24 * 3)
items.add(hashMapOf("E" to "F", "G" to "H", "time" to tomorrowTime.toString()))
// Bind items to RecyclerView
bindDataWithUi(items)
}
}
//父适配器
class MainAdapter(var locationList: ArrayList<HashMap<String, String>>):
RecyclerView.Adapter<MainAdapter.ViewHolder>() {
val byDates = locationList.groupBy { it["time"] }
lateinit var childAdapter : PropertyAdapter
lateinit var parentItemHolder: MainAdapter.ViewHolder
@SuppressLint("WrongConstant")
override fun onBindViewHolder(holder: MainAdapter.ViewHolder, position: Int) {
// Update date label
parentItemHolder = holder
val sdf = SimpleDateFormat("MM/dd/yyyy")
val dateList = byDates.values.toMutableList()
holder.date?.text = sdf.format(dateList[position][0].get("time")?.toLong())
holder.childRv?.layoutManager = LinearLayoutManager(holder.childRv.context, LinearLayout.VERTICAL, false)
var properyDataList:ArrayList<propertyDataClass> = ArrayList<propertyDataClass>()
// Create vertical Layout Manager
holder.date?.setOnClickListener(View.OnClickListener {
// Access RecyclerView Adapter and load the data
properyDataList.add(propertyDataClass())
childAdapter = PropertyAdapter(properyDataList)
holder.childRv?.adapter = childAdapter
childAdapter.updateList(propertyDataClass())
})
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MainAdapter.ViewHolder {
val v = LayoutInflater.from(parent.context).inflate(R.layout.recyclerview_item_dates, parent, false)
return ViewHolder(v)
}
override fun getItemCount(): Int {
return byDates.count()
}
class ViewHolder(itemView: View): RecyclerView.ViewHolder(itemView) {
val date = itemView.findViewById<TextView>(R.id.locationDate)
val childRv = itemView.findViewById<RecyclerView>(R.id.childList)
}
interface onClickItemAction{
public fun productItemList() {
}
}
fun getAllItemDetails():ArrayList<String>{
var stringList = ArrayList<String>()
try {
for (i in 0 until locationList.size) {
//val view = parentItemHolder.childRv.findViewHolderForLayoutPosition(i)//locationDatesList
//val view = parentItemHolder.childRv.findViewHolderForAdapterPosition(i);
val view = parentItemHolder.childRv.findViewHolderForLayoutPosition(i)
val etLabel: EditText? = view?.itemView?.findViewById(R.id.etLabel)
val etValue: EditText? = view?.itemView?.findViewById(R.id.etValue)
//stringList.add(etLabel?.text.toString())
stringList.add(etValue?.text.toString())
}
}catch (e:Exception){
e.printStackTrace()
}
return stringList
}
}
//child adaoter
class PropertyAdapter(
val propertyList: ArrayList<propertyDataClass>,
): RecyclerView.Adapter<PropertyAdapter.ViewHolder>() {
lateinit var vHolder :ViewHolder
override fun onBindViewHolder(holder: PropertyAdapter.ViewHolder, position: Int) {
vHolder = holder
val propertyItem = propertyList[position]
holder.etLabel?.text = propertyItem.inputName
holder.etValue?.text = propertyItem.inputValue
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PropertyAdapter.ViewHolder {
val v = LayoutInflater.from(parent.context).inflate(R.layout.recyclerview_item_locations, parent, false)
return ViewHolder(v)
}
override fun getItemCount(): Int {
return propertyList.size
}
class ViewHolder(itemView: View): RecyclerView.ViewHolder(itemView) {
val etLabel = itemView.findViewById<TextView>(R.id.etLabel)
val etValue = itemView.findViewById<TextView>(R.id.etValue)
}
fun updateList(propertyItem: propertyDataClass){
//propertyList.add(propertyDataClass())
notifyDataSetChanged()
}
fun getAllItemDetails(pos:Int){
val propertyListValue = ArrayList<propertyDataClass>()
for (i in 0 until propertyList.size){
var propertyDataClass = propertyDataClass()
}
}
fun getItemDetailsbyView(rootView: View){
var stringList = ArrayList<String>()
for (i in propertyList){
//val view = vHolder.findViewHolderForLayoutPosition(i)
//val etLabel: EditText? = view?.itemView?.findViewById(R.id.etLabel)
//val etValue: EditText? = view?.itemView?.findViewById(R.id.etValue)
//stringList.add(etLabel?.text.toString())
//stringList.add(etValue?.text.toString())
}
}
}
//main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="@+id/tv"
android:layout_width="match_parent"
android:layout_height="60dp"
android:text="@string/app_name"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/locationDatesList"
tools:layout_editor_absoluteX="8dp"
tools:layout_editor_absoluteY="8dp"/>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/locationDatesList"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp" >
</androidx.recyclerview.widget.RecyclerView>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
//父recylerview
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content">
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="5dp">
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/locationDate"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:layout_marginTop="16dp"
android:gravity="center_vertical"
android:text="Date"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Large"
android:textColor="#009688"
android:textSize="18sp" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/childList"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
</androidx.recyclerview.widget.RecyclerView>
</LinearLayout>
</androidx.cardview.widget.CardView>
</LinearLayout>
//子回收视图
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="10dp">
<TextView
android:id="@+id/locationBadge"
android:layout_width="40dp"
android:layout_height="40dp"
android:background="@drawable/ic_launcher_background"
android:gravity="center_vertical|center_horizontal"
android:text="✓"
android:textColor="#fff"
android:textStyle="bold" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="10dp">
<EditText
android:id="@+id/etLabel"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:text="Name"
android:maxLines="1"
android:editable="false"
android:focusable="false"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Large"
android:textSize="18sp" />
<EditText
android:id="@+id/etValue"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:text="Address"
android:maxLines="1"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
android:textSize="16sp" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
只需要将视图持有者保存在单独的数组列表中，然后按位置查找视图持有者就解决了我的问题。
在主适配器中，我添加并点击后获取。
viewHolderList.add(holder)
fun getAllItemDetails():ArrayList<String>{
var stringList = ArrayList<String>()
try {
for (i in 0 until locationList.size) {
//val view = parentItemHolder.childRv.findViewHolderForLayoutPosition(i)//locationDatesList
var viewHolder = viewHolderList.get(i)
for (i in 0 until 3) {
val view = viewHolder.childRv.findViewHolderForAdapterPosition(i);
//val view = parentItemHolder.childRv.findViewHolderForLayoutPosition(i)
val etLabel: EditText? = view?.itemView?.findViewById(R.id.etLabel)
val etValue: EditText? = view?.itemView?.findViewById(R.id.etValue)
//stringList.add(etLabel?.text.toString())
stringList.add(etValue?.text.toString())
}
}
}catch (e:Exception){
e.printStackTrace()
}
return stringList
}
我在此处添加代码，我试图在 textview click 上获取所有输入字段值（所有嵌套的 recyler 视图项）。因此，如果我有 2 个父 recylerview 和第一个父 3 个子回收器项目以及第二个父 recylerview 4 个子项目。那么我如何在 textview 单击父项或从 mainactivity 中获取所有 7 个项目详细信息。我只得到最后添加的 4 个项目，而没有获取第一个父项目。我缺少什么？提前致谢。
//Main class
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
createMockData()
}
@SuppressLint("WrongConstant")
private fun bindDataWithUi(itemData: ArrayList<HashMap<String, String>>) {
// Create vertical Layout Manager
val locationDatesList = findViewById<RecyclerView>(R.id.locationDatesList)
val tv = findViewById<TextView>(R.id.tv)
locationDatesList.layoutManager = LinearLayoutManager(this, LinearLayout.VERTICAL, false)
// Access RecyclerView Adapter and load the data
val adapter = MainAdapter(itemData)
locationDatesList.adapter = adapter
tv.setOnClickListener(View.OnClickListener {
try {
var data = adapter.getAllItemDetails()
for(result in data){
System.out.println(result)
}
}catch (e:Exception){
e.printStackTrace()
}
})
}
private fun createMockData() {
// Initialize test locations
val items: ArrayList<HashMap<String, String>> = ArrayList()
val time = System.currentTimeMillis()
// Load items into ArrayList
items.add(hashMapOf("A" to "B", "C" to "D", "time" to time.toString()))
val tomorrowTime = time + (1000 * 60 * 60 * 24 * 3)
items.add(hashMapOf("E" to "F", "G" to "H", "time" to tomorrowTime.toString()))
// Bind items to RecyclerView
bindDataWithUi(items)
}
}
//父适配器
class MainAdapter(var locationList: ArrayList<HashMap<String, String>>):
RecyclerView.Adapter<MainAdapter.ViewHolder>() {
val byDates = locationList.groupBy { it["time"] }
lateinit var childAdapter : PropertyAdapter
lateinit var parentItemHolder: MainAdapter.ViewHolder
@SuppressLint("WrongConstant")
override fun onBindViewHolder(holder: MainAdapter.ViewHolder, position: Int) {
// Update date label
parentItemHolder = holder
val sdf = SimpleDateFormat("MM/dd/yyyy")
val dateList = byDates.values.toMutableList()
holder.date?.text = sdf.format(dateList[position][0].get("time")?.toLong())
holder.childRv?.layoutManager = LinearLayoutManager(holder.childRv.context, LinearLayout.VERTICAL, false)
var properyDataList:ArrayList<propertyDataClass> = ArrayList<propertyDataClass>()
// Create vertical Layout Manager
holder.date?.setOnClickListener(View.OnClickListener {
// Access RecyclerView Adapter and load the data
properyDataList.add(propertyDataClass())
childAdapter = PropertyAdapter(properyDataList)
holder.childRv?.adapter = childAdapter
childAdapter.updateList(propertyDataClass())
})
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MainAdapter.ViewHolder {
val v = LayoutInflater.from(parent.context).inflate(R.layout.recyclerview_item_dates, parent, false)
return ViewHolder(v)
}
override fun getItemCount(): Int {
return byDates.count()
}
class ViewHolder(itemView: View): RecyclerView.ViewHolder(itemView) {
val date = itemView.findViewById<TextView>(R.id.locationDate)
val childRv = itemView.findViewById<RecyclerView>(R.id.childList)
}
interface onClickItemAction{
public fun productItemList() {
}
}
fun getAllItemDetails():ArrayList<String>{
var stringList = ArrayList<String>()
try {
for (i in 0 until locationList.size) {
//val view = parentItemHolder.childRv.findViewHolderForLayoutPosition(i)//locationDatesList
//val view = parentItemHolder.childRv.findViewHolderForAdapterPosition(i);
val view = parentItemHolder.childRv.findViewHolderForLayoutPosition(i)
val etLabel: EditText? = view?.itemView?.findViewById(R.id.etLabel)
val etValue: EditText? = view?.itemView?.findViewById(R.id.etValue)
//stringList.add(etLabel?.text.toString())
stringList.add(etValue?.text.toString())
}
}catch (e:Exception){
e.printStackTrace()
}
return stringList
}
}
//child adaoter
class PropertyAdapter(
val propertyList: ArrayList<propertyDataClass>,
): RecyclerView.Adapter<PropertyAdapter.ViewHolder>() {
lateinit var vHolder :ViewHolder
override fun onBindViewHolder(holder: PropertyAdapter.ViewHolder, position: Int) {
vHolder = holder
val propertyItem = propertyList[position]
holder.etLabel?.text = propertyItem.inputName
holder.etValue?.text = propertyItem.inputValue
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): PropertyAdapter.ViewHolder {
val v = LayoutInflater.from(parent.context).inflate(R.layout.recyclerview_item_locations, parent, false)
return ViewHolder(v)
}
override fun getItemCount(): Int {
return propertyList.size
}
class ViewHolder(itemView: View): RecyclerView.ViewHolder(itemView) {
val etLabel = itemView.findViewById<TextView>(R.id.etLabel)
val etValue = itemView.findViewById<TextView>(R.id.etValue)
}
fun updateList(propertyItem: propertyDataClass){
//propertyList.add(propertyDataClass())
notifyDataSetChanged()
}
fun getAllItemDetails(pos:Int){
val propertyListValue = ArrayList<propertyDataClass>()
for (i in 0 until propertyList.size){
var propertyDataClass = propertyDataClass()
}
}
fun getItemDetailsbyView(rootView: View){
var stringList = ArrayList<String>()
for (i in propertyList){
//val view = vHolder.findViewHolderForLayoutPosition(i)
//val etLabel: EditText? = view?.itemView?.findViewById(R.id.etLabel)
//val etValue: EditText? = view?.itemView?.findViewById(R.id.etValue)
//stringList.add(etLabel?.text.toString())
//stringList.add(etValue?.text.toString())
}
}
}
//main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="@+id/tv"
android:layout_width="match_parent"
android:layout_height="60dp"
android:text="@string/app_name"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@+id/locationDatesList"
tools:layout_editor_absoluteX="8dp"
tools:layout_editor_absoluteY="8dp"/>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/locationDatesList"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp" >
</androidx.recyclerview.widget.RecyclerView>
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
//父recylerview
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content">
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="5dp">
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/locationDate"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:layout_marginTop="16dp"
android:gravity="center_vertical"
android:text="Date"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Large"
android:textColor="#009688"
android:textSize="18sp" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/childList"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
</androidx.recyclerview.widget.RecyclerView>
</LinearLayout>
</androidx.cardview.widget.CardView>
</LinearLayout>
//子回收视图
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="10dp">
<TextView
android:id="@+id/locationBadge"
android:layout_width="40dp"
android:layout_height="40dp"
android:background="@drawable/ic_launcher_background"
android:gravity="center_vertical|center_horizontal"
android:text="✓"
android:textColor="#fff"
android:textStyle="bold" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:padding="10dp">
<EditText
android:id="@+id/etLabel"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:text="Name"
android:maxLines="1"
android:editable="false"
android:focusable="false"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Large"
android:textSize="18sp" />
<EditText
android:id="@+id/etValue"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:text="Address"
android:maxLines="1"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
android:textSize="16sp" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
只需要将视图持有者保存在单独的数组列表中，然后按位置查找视图持有者就解决了我的问题。
在主适配器中，我添加并点击后获取。
viewHolderList.add(holder)
fun getAllItemDetails():ArrayList<String>{
var stringList = ArrayList<String>()
try {
for (i in 0 until locationList.size) {
//val view = parentItemHolder.childRv.findViewHolderForLayoutPosition(i)//locationDatesList
var viewHolder = viewHolderList.get(i)
for (i in 0 until 3) {
val view = viewHolder.childRv.findViewHolderForAdapterPosition(i);
//val view = parentItemHolder.childRv.findViewHolderForLayoutPosition(i)
val etLabel: EditText? = view?.itemView?.findViewById(R.id.etLabel)
val etValue: EditText? = view?.itemView?.findViewById(R.id.etValue)
//stringList.add(etLabel?.text.toString())
stringList.add(etValue?.text.toString())
}
}
}catch (e:Exception){
e.printStackTrace()
}
return stringList
}