Android View Extension, Snackbar extension, shake view and vibrate device.

ViewExtension.kt

package com.vk.android.extension


import android.content.Context
import android.os.Build
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.appcompat.content.res.AppCompatResources
import androidx.core.content.ContextCompat
import androidx.core.view.ViewCompat
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.LiveData
import androidx.lifecycle.Observer
import com.google.android.material.snackbar.Snackbar
import com.vk.android.R
import com.vk.android.utils.EventMsg


fun View.showSnackbar(msg: String, timeLength: Int) {
    Snackbar.make(this, msg, timeLength).run {
        setActionTextColor(ContextCompat.getColor(this.context, R.color.colorAccent))
        this.config(context)
        show()
    }
}

fun View.setupSnackbar(lifecycleOwner: LifecycleOwner, snackbarEvent: LiveData<EventMsg<String>>, timeLength: Int) {
    snackbarEvent.observe(lifecycleOwner, Observer { event ->
        event.getContentIfNotHandled()?.let {
            showSnackbar(it, timeLength)
        }
    })
}

fun Snackbar.config(context: Context) {
    val params = this.view.layoutParams as ViewGroup.MarginLayoutParams
    params.setMargins(12, 12, 12, 12)
    this.view.layoutParams = params
    this.view.background = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        context.getDrawable(R.drawable.bg_snackbar)
    } else {
        AppCompatResources.getDrawable(context, R.drawable.bg_snackbar)
    }
    ViewCompat.setElevation(this.view, 6f)
}

fun View.visible() {
    visibility = View.VISIBLE
}

fun View.invisible() {
    visibility = View.INVISIBLE
}

fun View.gone() {
    visibility = View.GONE
}

fun View.inflate(res: Int, parent: ViewGroup? = null): View {
    return LayoutInflater.from(this.context).inflate(res, parent, false)
}

fun View.shake() {
    val shake = TranslateAnimation(0f, 10f, 0f, 0f)
    shake.interpolator = CycleInterpolator(7f)
    shake.duration = 500
    this.startAnimation(shake)
}

fun View.vibrate(milliseconds: Long) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
        (this.context.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator).vibrate(VibrationEffect.createOneShot(milliseconds, VibrationEffect.DEFAULT_AMPLITUDE))
    } else {
        (this.context.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator).vibrate(milliseconds)
    }
}