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elgroup
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latest commit cotains complete flow
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+156
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8 files changed

+156
-20
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‎app/build.gradle‎

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@@ -34,6 +34,8 @@ dependencies {
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androidTestImplementation 'androidx.test:runner:1.2.0'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
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//recyler view
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implementation 'androidx.recyclerview:recyclerview:1.0.0'
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//support design
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implementation 'com.google.android.material:material:1.0.0-rc01'
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‎app/src/main/java/com/example/backstack_bottomnavigation/Callbacks/CallBack.kt‎

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package app.com.getin.Callbacks
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interface CallBack {
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fun ItemClicked(pos:Int)
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}

‎app/src/main/java/com/example/backstack_bottomnavigation/adapters/Adapter.kt‎

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package com.example.backstack_bottomnavigation.adapters
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import android.content.Context
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import android.graphics.drawable.Drawable
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.ImageView
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import android.widget.RadioButton
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import android.widget.TextView
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import androidx.recyclerview.widget.RecyclerView
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import app.com.getin.Callbacks.CallBack
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import com.example.backstack_bottomnavigation.R
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class Adapter(var ctx:Context, var array:ArrayList<String>, var callBack: CallBack): RecyclerView.Adapter<Adapter.ViewHolderItem>(){
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override fun getItemCount(): Int {
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return array.size;
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}
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override fun onBindViewHolder(item : ViewHolderItem, pos: Int) {
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item.itemView.setOnClickListener {
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callBack.ItemClicked(pos)
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}
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item.user_name_text.setText(array.get(pos))
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/* Glide.with(ctx)
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.load(Constants.baseurl +array.get(pos)?.qrcode_url)
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.apply(RequestOptions()
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.diskCacheStrategy( DiskCacheStrategy.ALL )
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.placeholder(R.color.white)).listener(object : RequestListener<Drawable> {
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override fun onLoadFailed(e: GlideException?, model: Any, target: Target<Drawable>, isFirstResource: Boolean): Boolean {
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// profile_image_loading_progress.setVisibility(View.GONE)
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return false
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}
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override fun onResourceReady(resource: Drawable, model: Any, target: Target<Drawable>, dataSource: DataSource, isFirstResource: Boolean): Boolean {
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// profile_image_loading_progress.setVisibility(View.GONE)
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return false
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}
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})
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.into(item.qr_code_imgv)
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*/
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}
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override fun onCreateViewHolder(parent: ViewGroup, p1: Int): ViewHolderItem {
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val viewHolder = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_view, null, false)
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viewHolder.setLayoutParams(RecyclerView.LayoutParams(RecyclerView.LayoutParams.MATCH_PARENT, RecyclerView.LayoutParams.WRAP_CONTENT))
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return ViewHolderItem(viewHolder)
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}
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class ViewHolderItem(itemLayoutView: View) : RecyclerView.ViewHolder(itemLayoutView) {
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var user_image:ImageView
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var user_name_text:TextView
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init {
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user_image=itemLayoutView.findViewById(R.id.user_image)
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user_name_text=itemLayoutView.findViewById(R.id.user_name_text)
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}
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}
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}

‎app/src/main/java/com/example/backstack_bottomnavigation/fragments/MidFragment.kt‎

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@@ -6,9 +6,14 @@ import androidx.fragment.app.Fragment
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.LinearLayout
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import android.widget.TextView
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import androidx.fragment.app.FragmentManager
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import app.com.getin.Callbacks.CallBack
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import com.example.backstack_bottomnavigation.R
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import com.example.backstack_bottomnavigation.adapters.Adapter
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// TODO: Rename parameter arguments, choose names that match
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* A simple [Fragment] subclass.
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*
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*/
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class MidFragment : Fragment() {
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lateinit var detail:TextView
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class MidFragment : Fragment(), CallBack {
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override fun ItemClicked(pos: Int) {
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childFragmentManager.beginTransaction().add(R.id.mid_container,DetailFragment()).addToBackStack(null).commit()
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}
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lateinit var mrootview:View
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lateinit var recyler_view:RecyclerView
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lateinit var linearLayoutManager:LinearLayoutManager
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lateinit var adapter:Adapter
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lateinit var arrayList:ArrayList<String>
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override fun onCreateView(
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inflater: LayoutInflater, container: ViewGroup?,
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savedInstanceState: Bundle?
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}
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private fun init() {
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arrayList=ArrayList<String>()
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arrayList.addAll(resources.getStringArray(R.array.hero_names))
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recyler_view=mrootview.findViewById(R.id.recyler_view)
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linearLayoutManager= LinearLayoutManager(this.activity, RecyclerView.VERTICAL,false)
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recyler_view.layoutManager=linearLayoutManager
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adapter= Adapter(activity!!,arrayList,this)
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recyler_view.adapter=adapter
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detail= mrootview.findViewById(R.id.detail)
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detail.setOnClickListener {
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detail()
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}
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}
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fun detail(){
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childFragmentManager.beginTransaction().add(R.id.mid_container,DetailFragment()).addToBackStack(null).commit()
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}
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fun getchildFragmentManager(): FragmentManager {

‎app/src/main/res/drawable/ic_deadpool.png‎

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‎app/src/main/res/layout/fragment_mid.xml‎

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android:orientation="vertical"
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android:gravity="center"
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android:layout_width="match_parent" android:layout_height="match_parent">
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<TextView
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android:id="@+id/detail"
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android:layout_marginTop="20dp"
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android:layout_width="wrap_content"
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android:gravity="center"
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android:background="@drawable/background_layout"
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android:textColor="@color/orange"
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android:textSize="20dp"
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android:layout_height="wrap_content"
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android:text="@string/my_profile"/>
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<androidx.recyclerview.widget.RecyclerView
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android:id="@+id/recyler_view"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"></androidx.recyclerview.widget.RecyclerView>
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</LinearLayout>
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<!-- TODO: Update blank fragment layout -->
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<FrameLayout

‎app/src/main/res/layout/item_view.xml‎

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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:background="@android:color/background_light"
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tools:layout_editor_absoluteY="81dp">
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<ImageView
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android:id="@+id/user_image"
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android:layout_width="69dp"
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android:layout_height="69dp"
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android:layout_marginStart="8dp"
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android:layout_marginTop="8dp"
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android:layout_marginLeft="8dp"
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android:layout_marginBottom="8dp"
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android:src="@drawable/ic_deadpool"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintStart_toStartOf="parent"
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app:layout_constraintTop_toTopOf="parent"
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/>
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<TextView
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android:id="@+id/user_name_text"
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android:layout_width="228dp"
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android:layout_height="28dp"
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android:layout_marginStart="8dp"
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android:layout_marginTop="8dp"
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android:text=""
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android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
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android:textSize="22sp"
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app:layout_constraintStart_toEndOf="@+id/user_image"
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app:layout_constraintTop_toTopOf="parent"
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tools:text="@tools:sample/full_names"
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android:layout_marginLeft="8dp" />
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</androidx.constraintlayout.widget.ConstraintLayout>

‎app/src/main/res/values/strings.xml‎

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<string name="mid_fragment">Mid fragment</string>
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<string name="Profile_fragment">Its me Aryan</string>
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<string name="my_profile">More about me</string>
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<string-array name="hero_names">
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<item>Iron man</item>
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<item>Thor</item>
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<item>Caption America</item>
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<item>Hulk</item>
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<item>Deadpool</item>
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<item>Black widow</item>
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<item>Scarlett witch</item>
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<item>Vision</item>
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<item>Hawk eye</item>
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<item>Star lord</item>
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<item>Gamora</item>
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<item>Rocket</item>
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<item>Gamora</item>
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</string-array>
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</resources>

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