Monday, 28 March 2016

BottomBar in android


I have created BottomBar example using this beautiful library.
https://github.com/roughike/BottomBar

Credits : Iiro Krankka


Step: 1
======
Add this library to your gradle file


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dependencies {
        compile 'com.roughike:bottom-bar:1.2.4'
}

Step: 2
======
Now create menu folder under res folder.

res/menu/bottombar_menu.xml

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<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:id="@+id/nav_home"
        android:icon="@drawable/ic_home_white_24dp"
        android:title="Home" />

    <item
        android:id="@+id/nav_fav"
        android:icon="@drawable/ic_favorite_white_24dp"
        android:title="Favourites" />

    <item
        android:id="@+id/nav_gallery"
        android:icon="@drawable/ic_dashboard"
        android:title="Gallery" />

    <item
        android:id="@+id/nav_events"
        android:icon="@drawable/ic_event_note_black_24dp"
        android:title="Events" />
    <item
        android:id="@+id/nav_notifications"
        android:icon="@drawable/ic_notifications_black_24dp"
        android:title="Alerts" />


</menu>


Step: 3
======

Now create an xml layout for the activity.

activity_main.xml


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<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/myCoordinator"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            android:elevation="4dp"
            android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />


        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <TextView
                android:id="@+id/tvLabel"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:gravity="center"
                android:text=""
                android:textSize="20sp" />


        </LinearLayout>
    </LinearLayout>


</android.support.design.widget.CoordinatorLayout>



Step: 4
======
Create an activity and add the bottom bar from menu items


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package com.pratap.bottombar;


import android.os.Bundle;
import android.support.annotation.IdRes;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.widget.TextView;

import com.roughike.bottombar.BottomBar;
import com.roughike.bottombar.BottomBarBadge;
import com.roughike.bottombar.OnMenuTabClickListener;

public class MainActivity extends AppCompatActivity {
    private BottomBar mBottomBar;

    private TextView tvLabel;

    private Toolbar toolbar;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);


        tvLabel = (TextView) findViewById(R.id.tvLabel);

        mBottomBar = BottomBar.attach(this, savedInstanceState);
        mBottomBar.noNavBarGoodness();

        mBottomBar.setItemsFromMenu(R.menu.bottombar_menu, new OnMenuTabClickListener() {
            @Override
            public void onMenuTabSelected(@IdRes int menuItemId) {

                if (menuItemId == R.id.nav_home) {

                    updateTextView("Home");

                } else if (menuItemId == R.id.nav_fav) {
                    updateTextView("Favourites");

                } else if (menuItemId == R.id.nav_gallery) {
                    updateTextView("Gallery");

                } else if (menuItemId == R.id.nav_events) {
                    updateTextView("Events");

                } else if (menuItemId == R.id.nav_notifications) {
                    updateTextView("Alerts");


                }
            }

            @Override
            public void onMenuTabReSelected(@IdRes int menuItemId) {
                if (menuItemId == R.id.nav_home) {
                    // The user reselected item number one, scroll your content to top.

                }
            }
        });


        // Setting colors for different tabs when there's more than three of them.
        // You can set colors for tabs in three different ways as shown below.
        mBottomBar.mapColorForTab(0, ContextCompat.getColor(this, R.color.colorPrimaryDark));
        mBottomBar.mapColorForTab(1, ContextCompat.getColor(this, R.color.colorPrimaryDark));
        mBottomBar.mapColorForTab(2, ContextCompat.getColor(this, R.color.colorPrimaryDark));
        mBottomBar.mapColorForTab(3, ContextCompat.getColor(this, R.color.colorPrimaryDark));
        mBottomBar.mapColorForTab(4, ContextCompat.getColor(this, R.color.colorPrimaryDark));


        // Set the color for the active tab. Ignored on mobile when there are more than three tabs.
        //  mBottomBar.setActiveTabColor("#009688");


        // mBottomBar.selectTabAtPosition(1, true);

        setNotificationBadge();


    }


    private void setNotificationBadge() {

        // Make a Badge for the first tab, with red background color and a value of "13".
        BottomBarBadge unreadMessages = mBottomBar.makeBadgeForTabAt(4, "#FF0000", 10);

        // Control the badge's visibility
        unreadMessages.show();
        //     unreadMessages.hide();

        // Change the displayed count for this badge.
        unreadMessages.setCount(4);

        // Change the show / hide animation duration.
        unreadMessages.setAnimationDuration(200);

        // If you want the badge be shown always after unselecting the tab that contains it.
        unreadMessages.setAutoShowAfterUnSelection(false);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        // Necessary to restore the BottomBar's state, otherwise we would
        // lose the current tab on orientation change.
        mBottomBar.onSaveInstanceState(outState);
    }


    public void updateTextView(String text) {


        tvLabel.setText(text);
    }


}


Screenshots
=========
                                          





Source Code
=========
BottomBar

BottomBarWithFragments


Demo
=====







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