Trialy.io

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Created
Apr 6, 2017
Updated
Feb 7, 2021
Owner
Trialy.io (trialy)
Contributor
greatbytes
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Blurb

Trialy.io Android SDK

Trialy makes it super easy to create a free trial for your in-app-purchases. Trialy takes care of the heavy lifting for you (using server-side checks with customizable grace periods to allow offline use, for example) so you can focus on developing an amazing app.

  • Add the library to your app using gradle
  • Grab a free API key from here

For documentation and additional information see the website.

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dependencies {
  implementation 'io.trialy.library:trialy:1.0.9'
}

Usage

Initialize the library in your main activity's onCreate() method:

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    //Initialize the library and check the current trial status on every launch
    Trialy mTrialy = new Trialy(mContext, "YOUR_TRIALY_APP_KEY");
    mTrialy.checkTrial("YOUR_TRIAL_SKU", mTrialyCallback);
}

Add a callback handler:

private TrialyCallback mTrialyCallback = new TrialyCallback() {
    @Override
    public void onResult(int status, long timeRemaining, String sku) {
        switch (status){
            case STATUS_TRIAL_JUST_STARTED:
                //The trial has just started - enable the premium features for the user
                 break;
            case STATUS_TRIAL_RUNNING:
                //The trial is currently running - enable the premium features for the user
                break;
            case STATUS_TRIAL_JUST_ENDED:
                //The trial has just ended - block access to the premium features
                break;
            case STATUS_TRIAL_NOT_YET_STARTED:
                //The user hasn't requested a trial yet - no need to do anything
                break;
            case STATUS_TRIAL_OVER:
                //The trial is over
                break;
            default:
                Log.e(TAG, "Trialy response: " + Trialy.getStatusMessage(status));
                break;
        }
    }

};

To start a trial, call mTrialy.startTrial("YOUR_TRIAL_SKU", mTrialyCallback); Your app key and trial SKU can be found in your Trialy developer dashboard.

Remember to add the INTERNET permission to your AndroidManifext.xml. If you're using a "per Google account" trial, also add the GET_ACCOUNTS permission to your AndroidManifest.xml (and request it within your app on Android 6.0+):

<uses-permission android:name="android.permission.GET_ACCOUNTS" />