Have All the Material Icons – Android Library Overview in Kotlin (Code)

Material icons can surely be a nice touch for your Android app but there’s so many of them! Importing each and every icon individually can seem to be a nightmare.

What if you could add them to your project all at once. Without bloating your app with unnecessary megabytes? Well, you can accomplish just that with this awesome library!

This post contains all the code that’s been written in this YouTube video.

MainActivity.cs

package com.resocoder.materialiconlib

import android.graphics.Color
import android.os.Bundle
import android.support.design.widget.Snackbar
import android.support.v7.app.AppCompatActivity
import android.view.Menu
import android.view.MenuItem

import kotlinx.android.synthetic.main.activity_main.*
import kotlinx.android.synthetic.main.content_main.*
import net.steamcrafted.materialiconlib.MaterialDrawableBuilder
import net.steamcrafted.materialiconlib.MaterialMenuInflater

class MainActivity : AppCompatActivity() {

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

        fab.setOnClickListener { view ->
            val materialIconDrawable = MaterialDrawableBuilder.with(this)
                    .setIcon(MaterialDrawableBuilder.IconValue.ANDROID)
                    .setColor(Color.GREEN)
                    .setSizeDp(48)
                    .build()
            imageView.setImageDrawable(materialIconDrawable)
        }
    }

    override fun onCreateOptionsMenu(menu: Menu): Boolean {
        // Inflate the menu; this adds items to the action bar if it is present.
        MaterialMenuInflater
                .with(this)
                .setDefaultColor(Color.WHITE)
                .inflate(R.menu.menu_main, menu)
        return true
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        return when (item.itemId) {
            R.id.action_settings -> true
            else -> super.onOptionsItemSelected(item)
        }
    }
}

content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="com.resocoder.materialiconlib.MainActivity"
    tools:showIn="@layout/activity_main">

    <net.steamcrafted.materialiconlib.MaterialIconView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.205"
        app:materialIcon="youtube_play"
        app:materialIconColor="#FF0000"
        app:materialIconSize="72dp" />

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:src="@android:drawable/ic_delete"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.609" />

</android.support.constraint.ConstraintLayout>

menu_main.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context="com.resocoder.materialiconlib.MainActivity">
    <item
        android:id="@+id/action_settings"
        android:orderInCategory="100"
        android:title="@string/action_settings"
        app:showAsAction="never" />
    <item
        android:id="@+id/menu_github"
        android:title="GitHub"
        app:showAsAction="ifRoom"
        app:materialIcon="github_circle"/>
</menu>