IhwanID

package id.ihwan.aac.view

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.databinding.DataBindingUtil
import androidx.lifecycle.Observer
import androidx.lifecycle.ViewModelProviders
import androidx.recyclerview.widget.LinearLayoutManager
import id.ihwan.aac.R
import id.ihwan.aac.adapter.MainAdapter

IhwanID

android {
    ...
 
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

IhwanID

class WebViewActivity : Activity() {

    @SuppressLint("SetJavaScriptEnabled")
    public override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_webview)

        val webView = findViewById<WebView>(R.id.webView)
        webView.settings.javaScriptEnabled = true
        webView.loadUrl(intent.getStringExtra("url"))

IhwanID

import android.content.res.Resources
import android.graphics.Rect
import android.view.View
import androidx.recyclerview.widget.RecyclerView

class CardStackSpacingItemDecoration : RecyclerView.ItemDecoration() {

    private val dp = Resources.getSystem().displayMetrics.density

    override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State) {

IhwanID

import android.graphics.Color
import android.graphics.drawable.ColorDrawable
import android.graphics.drawable.GradientDrawable
import android.graphics.drawable.ShapeDrawable
import android.os.Build
import android.text.Html
import android.view.View
import android.widget.ImageView
import android.widget.TextView
import androidx.cardview.widget.CardView

IhwanID

// Hide the keyboard.
val imm = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
imm.hideSoftInputFromWindow(view.windowToken, 0)

IhwanID

Principle of Navigation (Android Architecture Component / Jetpack)

1. There's Always Starting Place
2. You can always go back
3. Up goes back (mostly)

IhwanID

try {
                    val sendIntent = Intent().apply {
                        action = Intent.ACTION_SEND
                        putExtra(Intent.EXTRA_TEXT, "Hello Swapz")
                        putExtra("jid", "${data.phone}@s.whatsapp.net")
                        type = "text/plain"
                        setPackage("com.whatsapp")
                    }
                    startActivity(sendIntent)
                }catch (e: Exception){

IhwanID

Keybase proof

I hereby claim:

• I am ihwanid on github.
• I am ihwanid (https://keybase.io/ihwanid) on keybase.
• I have a public key ASC2CF9mXFR2wuDupH3cLmZ4HmUcSTM9RHeMDfrgdOWTYAo

To claim this, I am signing this object:

IhwanID

package com.example.myapplication

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.content.Intent

class SplashActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)