I have found a way for this to work when you reinstall the app.
Add a broadcast receiver with intent filter action android.intent.action.PACKAGE_ADDED. In the onReceived method you must activate your disabled component :
ComponentName componentToEnable = new ComponentName(context, Your_disabled_class.class);
PackageManager pm = context.getPackageManager();
pm.setComponentEnabledSetting(componentToEnable, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP);
Complete xml for receiver:
<receiver android:name="PackageChangeReceiver">
<intent-filter>
<action android:name="android.intent.action.PACKAGE_ADDED"/>
<action android:name="android.intent.action.PACKAGE_REPLAC ED"/>
<action android:name="android.intent.action.PACKAGE_REMOVE D"/>
<data android:scheme="package"/>
</intent-filter>
</receiver>