DoJMA

This is the Application class where initialisation is done for external libraries

First indicate to the AndroidManifest.xml that this class is the Application class as shown here

    <manifest
    ...>
        <!-- permissions -->
        <application
           ...
           android:name=".DoJMA"
           ...>
       ...
       </application>
    </manifest>

External Libraries that are initialised here LeakCanary
Firebase
Fresco
Realm
MutliDex

    @Override
    public void onCreate() {
        super.onCreate();
        //Attach the leak detector with this app
        if (LeakCanary.isInAnalyzerProcess(this)) {
            // This process is dedicated to LeakCanary for heap analysis.
            // You should not init your app in this process.
            return;
        }
        LeakCanary.install(this);
        //Enable persistence in Firebase Database
        FirebaseDatabase.getInstance().setPersistenceEnabled(true);
        //Keep data fresh
        FirebaseDatabase.getInstance().getReference().keepSynced(true);
        //Initialises the Fresco engine
        Fresco.initialize(this);
        //Initialise the relam database
        //Name - from <a href="https://github.com/MobileApplicationsClub/DoJMA/wiki/utilities.DHC#constants">DHC Constants</a>
        //Schema version depends on which version of the database we are at
        //If schema version is different from the current version then delete the database
        Realm.init(this);
        RealmConfiguration realmConfiguration = new RealmConfiguration.Builder()
                .name(DHC.REALM_DOJMA_DATABASE)
                .deleteRealmIfMigrationNeeded()
                .schemaVersion(1)
                .build();
        Realm.setDefaultConfiguration(realmConfiguration);

    }

    @Override
    protected void attachBaseContext(Context base) {
        super.attachBaseContext(base);
        //Install this apk using Multidex since the method count in this project exceeds the 64K limit
        MultiDex.install(this);
    }