Merlin

Additional

Language
Java
Version
v1.2.1 (Nov 16, 2018)
Created
May 8, 2013
Updated
Feb 11, 2022 (Retired)
Owner
Novoda (novoda)
Contributors
Antonio Bertucci (mr-archano)
Carl-Gustaf Harroch (charroch)
Daniele Bonaldo (danybony)
Paul Blundell (blundell)
Sebastiano Poggi (rock3r)
Ferran Garriga (zegnus)
Friedger (friedger)
Adam Brown (ouchadam)
Ryan Feline (Mecharyry)
Xavi Rigau (xrigau)
Ataul Munim (ataulm)
Said Tahsin Dane (tasomaniac)
Francesco Pontillo (frapontillo)
Alex Curran (amlcurran)
Anup Cowkur (anupcowkur)
Krishan Patel (krishan711)
Andrei Catinean (Electryc)
Daniele Conti (fourlastor)
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🛑 THIS REPOSITORY IS OFFICIALLY NO LONGER UNDER MAINTENANCE since 10/02/2022 🛑

Merlin

Merlin aims to simplify network monitoring. Providing 3 registerable callbacks for network connectivity changes. onConnect() , onDisconnect() and onBind(NetworkStatus networkStatus).

Adding to your project

To start using Merlin, add these lines to your module's build.gradle:

repositories {
    jcenter()
}

dependencies {
    implementation 'com.novoda:merlin:1.2.0'
}

Optional steps

Note: these steps should not be necessary as the Manifest Merger should be taking care of this for you!

If for some reason your app's manifest doesn't end up containing the required entries, and you encounter issues, you might need to manually add a few things to your AndroidManifest.xml:

  1. These permissions:

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
  2. This service:

    <service
      android:exported="false"
      android:name="com.novoda.merlin.MerlinService" />

Sample usage

Create Merlin:

merlin = new Merlin.Builder().withConnectableCallbacks().build(context);

Bind and unbind the service in your activity:

@Override
protected void onResume() {
    super.onResume();
    merlin.bind();
}

@Override
protected void onPause() {
    merlin.unbind();
    super.onPause();
}

Register for callbacks:

merlin.registerConnectable(new Connectable() {
    @Override
    public void onConnect() {
        // Do something you haz internet!
    }
});

For further details you can check the wiki.

Migrating from pre-v1 versions

Version 1 of Merlin introduced several breaking changes in the implementation and the APIs, to account for the latest changes in Android N+. Please follow the instructions in the wiki to make the upgrade as painless as possible.

Migrating from 1.1.7

In version 1.1.8 some public API changes were made. According to our tests auto importing should be able to take care of these changes.

RxJava support in v1.0+

Starting in version 1.0.0, the RxJava support is no longer built into the library but it has been split out into a separate artifact. You'll need to add one of these two dependencies, depending on the version of RxJava you use:

// For RxJava 1.x
implementation 'com.novoda:merlin-rxjava:[version_number]'

// For RxJava 2.x
implementation 'com.novoda:merlin-rxjava2:[version_number]'

Links

Here are a list of useful links:

  • We always welcome people to contribute new features or bug fixes, here is how
  • If you have a problem check the Issues Page first to see if we are working on it
  • For further usage or to delve more deeply checkout the Project Wiki
  • Looking for community help, browse the already asked Stack Overflow Questions or use the tag: support-merlin when posting a new question