john-lorrenz

override fun onCreate(savedInstanceState: Bundle?) {
    reycler_view.isNestedScrollingEnabled = true
    reycler_view.layoutManager = LinearLayoutManager(this)

    var adapter = GroupAdapter<ViewHolder>()


    adapter.add(storyItem())
    adapter.add(storyItem())
    adapter.add(storyItem())

john-lorrenz

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)

    var adapter = ViewPagerAdapter(this)
    pager.adapter = adapter
}

internal inner class ViewPagerAdapter(val context: Context) : PagerAdapter() {

john-lorrenz

// Import
import android.os.Handler;

// Use
val handler = Handler()
handler.postDelayed({
     // do something after 1000ms
}, 1000)

john-lorrenz

<?xml version="1.0" encoding="utf-8"?>
<shape android:shape="oval"
    xmlns:android="http://schemas.android.com/apk/res/android">

    <!-- border color and width -->
    <stroke android:width="0.5dp" android:color="@android:color/darker_gray"/>

    <!-- background color -->
    <solid android:color="@android:color/white"/>

john-lorrenz

implementation 'com.google.android.material:material:1.0.0'

john-lorrenz

androidx.recyclerview.widget.RecyclerView
                android:id="@+id/recycler_view_chat"

                android:layout_width="match_parent"
                android:layout_height="match_parent"
                app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />

john-lorrenz

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
       android:shape="rectangle" >

    <!-- background color -->
    <solid android:color="@android:color/darker_gray"/>

    <!-- border color and width -->
    <stroke android:width="10dp"
            android:color="@android:color/white"/>

john-lorrenz

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

john-lorrenz

import android.Manifest
import com.github.florent37.runtimepermission.RuntimePermission
import android.provider.MediaStore
import java.util.*
import java.io.File
import android.net.Uri
import android.content.Intent

var imageUri: Uri? = null
var OPEN_CAMERA = 10

john-lorrenz

import android.app.DatePickerDialog
import android.widget.EditText
import java.text.DecimalFormat
import android.graphics.Color
import android.graphics.drawable.ColorDrawable

dateText.setOnClickListener {
    setDatePickerAction(it as EditText)
    openDatePicker()
}