EmmanuelGuther

class CircularImageView : ImageView {

    constructor(context: Context) : super(context) {}

    constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {}

    constructor(context: Context, attrs: AttributeSet, defStyle: Int) : super(context, attrs, defStyle) {}

    override fun onDraw(canvas: Canvas) {

EmmanuelGuther

fun AppCompatActivity.toggleHideShowKeyboard() {
    val inputMethodManager = this.getSystemService(Activity.INPUT_METHOD_SERVICE) as InputMethodManager
    when {
        inputMethodManager.isActive -> inputMethodManager.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0)
        else -> inputMethodManager.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0) // hide
    }
}

EmmanuelGuther

fun AppCompatActivity.hideKeyBoard(){
    val view = this.currentFocus
    if (view != null) {
        val inputMethodManager = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
        inputMethodManager.hideSoftInputFromWindow(view.windowToken, 0)
    }

EmmanuelGuther

fun Snackbar.setTextColor(color: Int): Snackbar {
    val tv = view.findViewById(android.support.design.R.id.snackbar_text) as TextView
    tv.setTextColor(color)
    return this
}

EmmanuelGuther

Description of this regular expression is as below:

Passwords will contain at least 1 upper case letter
Passwords will contain at least 1 lower case letter
Passwords will contain at least 1 number or special character
Passwords will contain at least 8 characters in length
Password maximum length should not be arbitrarily limited


(?=^.{8,}$)((?=.*\d)|(?=.*\W+))(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$

EmmanuelGuther

fun closeActivitiesGoLogin(context: Context?) {
    val intent = Intent(context, LoginActivity::class.java)
    val cn = intent.component
    val mainIntent = Intent.makeRestartActivityTask(cn)
    context?.startActivity(mainIntent)
}

EmmanuelGuther

fun View.changeColorAnimatedly(duration: Long, repeatable: Boolean, startColor: Int, endColor: Int) {
    val anim = ObjectAnimator.ofInt(this, "backgroundColor", startColor, endColor)
    anim.duration = duration
    anim.setEvaluator(ArgbEvaluator())
    if (repeatable) {
        anim.repeatCount = ValueAnimator.INFINITE
        anim.repeatMode = ValueAnimator.REVERSE
    }
    anim.start()
}

EmmanuelGuther

values-sw720dp          10.1” tablet 1280x800 mdpi

values-sw600dp          7.0”  tablet 1024x600 mdpi

values-sw480dp          5.4”  480x854 mdpi 
values-sw480dp          5.1”  480x800 mdpi 

values-xxhdpi           5.5"  1080x1920 xxhdpi
values-xxxhdpi           5.5" 1440x2560 xxxhdpi

EmmanuelGuther

    private fun printKeyHash() {
        try {
            val info = activity?.packageManager?.getPackageInfo("com.s", PackageManager.GET_SIGNATURES)
            for (signature in info!!.signatures!!) {
                val md = MessageDigest.getInstance("SHA")
                md.update(signature.toByteArray())
                Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT))
            }
        } catch (e: PackageManager.NameNotFoundException) {

EmmanuelGuther

 <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/layoutHeaderNavView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="?attr/selectableItemBackground"
        android:clickable="true"
        android:focusable="true">