A simple & curved & material bottom navigation for Android written in Kotlin with ♥ .

Update your build.gradle (project path) like below :

buildscript {
    repositories {
        jcenter()
    }
}

Update your build.gradle (module path) like below :

dependencies {
  implementation 'com.etebarian:meow-bottom-navigation:1.3.1'
}

Use androidx by adding this lines to gradle.properties. If you want more info, just google AndroidX.

android.useAndroidX=true
android.enableJetifier=true

If you want to add this library to a JAVA Project, you must add kotlin library to build.gradle.

dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.61"
}

We are developing this framework in open source community without financial planning but the maintenance & preparing updates at periodic times is Time-consuming. If you like this project and you want to give us peace of mind, you can support us by clicking this button :

Add Meow Bottom Navigation in you layout xml file.

<meow.meowbottomnavigation.MeowBottomNavigation
    android:layout_width="match_parent"
    android:layout_height="wrap_content"/>

Add menu items in code.

val bottomNavigation = findView(R.id.bottomNavigation)
bottomNavigation.add(MeowBottomNavigation.Model(1, R.drawable.ic_home))
bottomNavigation.add(MeowBottomNavigation.Model(2, R.drawable.ic_explore))
bottomNavigation.add(MeowBottomNavigation.Model(3, R.drawable.ic_message))

Add vectorDrawables.useSupportLibrary = true to your build.gradle inside defaultConfig{ ... } to use vector drawable icons.

<com.etebarian.meowbottomnavigation.MeowBottomNavigation
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:mbn_circleColor="#ffffff"
    app:mbn_backgroundBottomColor="#ffffff"
    app:mbn_countBackgroundColor="#ff6f00"
    app:mbn_countTextColor="#ffffff"
    app:mbn_countTypeface="fonts/SourceSansPro-Regular.ttf"
    app:mbn_defaultIconColor="#90a4ae"
    app:mbn_rippleColor="#2f424242"
    app:mbn_selectedIconColor="#3c415e"
    app:mbn_shadowColor="#1f212121"
    app:mbn_hasAnimation="true"    
/>

• You can change this properties in Kotlin/Java Realtime⌚.

Use setOnShowListener() function to access when a cell has been shown.

bottomNavigation.setOnShowListener {
    // YOUR CODES
}

Use setOnClickMenuListener() function to access when a cell has been clicked.

bottomNavigation.setOnClickMenuListener {
    // YOUR CODES
}

If you are Java Developer, use this examples :

bottomNavigation.setOnClickMenuListener(new Function1<MeowBottomNavigation.Model, Unit>() {
            @Override
            public Unit invoke(MeowBottomNavigation.Model model) {
                // YOUR CODES
                return null;
            }
        });

bottomNavigation.setOnShowListener(new Function1<MeowBottomNavigation.Model, Unit>() {
            @Override
            public Unit invoke(MeowBottomNavigation.Model model) {
                // YOUR CODES
                return null;
            }
        });

Set counter badge on a specific cell by setCount(Int,String).

bottomNavigation.setCount(CELL_ID, YOUR_STRING)

Clear counter badge on a specific cell by clearCount(Int).

bottomNavigation.clearCount(CELL_ID)

Clear all counter badges on a specific cell by clearCount(Int).

bottomNavigation.clearAllCounts(TAB_ID)

Use this function :

bottomNavigation.show(CELL_ID)