Pull request #3: Add ApiAvailability wrapper

Merge in MML/infobip-mobile-messaging-huawei from klatypov-MM-3835-Support_HMS to master

Squashed commit of the following:

commit ba82f6ba02d514d4b86f8e584361085c942004cb
Author: Konstantin Latypov <Konstantin.Latypov@infobip.com>
Date:   Mon Jul 27 13:06:34 2020 +0300

    Refacor PlayServicesSupport

commit 411e986c09ce1104431fa1b7d3b4a48d98fe6e01
Author: Konstantin Latypov <Konstantin.Latypov@infobip.com>
Date:   Mon Jul 27 11:38:30 2020 +0300

    Fix links

commit 0c5c9ce2a58e58f4454590512b6c55798c09afd4
Author: Konstantin Latypov <Konstantin.Latypov@infobip.com>
Date:   Fri Jul 24 11:33:34 2020 +0300

    Add ApiAvailability wrapper

README.md

@@ -13,7 +13,7 @@ Mobile Messaging SDK is designed and developed to easily enable push notificatio
 
 ## Quick start guide
 
-1. Make sure to <a href="https://dev.infobip.com/push-messaging" target="_blank">setup application at Infobip portal</a>, if you haven't already.
+1. Make sure to <a href="https://www.infobip.com/docs/mobile-app-messaging/create-mobile-application-profile" target="_blank">setup application at Infobip portal</a>, if you haven't already.
 2. Add dependencies to `app/build.gradle`
     ```groovy
     dependencies {
@@ -24,16 +24,18 @@ Mobile Messaging SDK is designed and developed to easily enable push notificatio
     }
     ```
 
-3. Add <a href="https://developer.huawei.com/consumer/en/doc/development/HMSCore-Guides/android-config-agc-0000001050170137" target="_blank">`HMS App ID`</a> and Infobip <a href="https://dev.infobip.com/push-messaging/create-application" target="_blank">`Application Code`</a> obtained in step 1 to `values/strings.xml`
+3. <a href="https://developer.huawei.com/consumer/en/doc/development/HMSCore-Guides/android-config-agc-0000001050170137" target="_blank">`Configure Huawei application`</a> 
+4. Add  HMS App ID and Infobip <a href="https://www.infobip.com/docs/mobile-app-messaging/create-mobile-application-profile" target="_blank">`Application Code`</a> obtained in step 1 to `values/strings.xml`
     ```groovy
     <resources>
         <string name="app_id">SENDER ID</string>
         <string name="infobip_application_code">APPLICATION CODE</string>
         ...
     </resources>
     ```
+   HMS App ID could be taken from Huawei Developer Console - Application settings
 
-4. Add code to `MainActivity#onCreate`
+5. Add code to `MainActivity#onCreate`
 
     ```java
     public class MainActivity extends AppCompatActivity {

infobip-mobile-messaging-huawei-sdk/src/main/java/org/infobip/mobile/messaging/cloud/PlayServicesSupport.java

@@ -8,14 +8,14 @@
 import android.support.v4.content.LocalBroadcastManager;
 
 import com.huawei.hms.api.ConnectionResult;
-import com.huawei.hms.api.HuaweiApiAvailability;
 
 import org.infobip.mobile.messaging.BroadcastParameter;
 import org.infobip.mobile.messaging.Event;
 import org.infobip.mobile.messaging.MobileMessaging;
 import org.infobip.mobile.messaging.MobileMessagingCore;
 import org.infobip.mobile.messaging.logging.MobileMessagingLogger;
 import org.infobip.mobile.messaging.mobileapi.InternalSdkError;
+import org.infobip.mobile.messaging.mobileapi.apiavailability.ApiAvailability;
 
 /**
  * @author mstipanov
@@ -28,15 +28,15 @@ public class PlayServicesSupport {
     private static Boolean isPlayServicesAvailable;
     private final Handler handler = new Handler(Looper.getMainLooper());
 
+    private static ApiAvailability apiAvailability = new ApiAvailability();
+
     /**
      * Check the device to make sure it has the Google Play Services APK. If
      * it doesn't, display a dialog that allows users to download the APK from
      * the Google Play Store or enable it in the device's system settings.
      */
     public void checkPlayServicesAndTryToAcquireToken(final Context context, boolean shouldResetToken, @Nullable MobileMessaging.InitListener initListener) {
-        HuaweiApiAvailability apiAvailability = HuaweiApiAvailability.getInstance();
-        int errorCode = apiAvailability.isHuaweiMobileServicesAvailable(context);
-        String errorStr = apiAvailability.getErrorString(errorCode);
+        int errorCode = apiAvailability.checkServicesStatus(context);
 
         isPlayServicesAvailable = errorCode == ConnectionResult.SUCCESS;
         if (errorCode != ConnectionResult.SUCCESS) {
@@ -82,13 +82,13 @@ public void run() {
         }
     }
 
+
     public static boolean isPlayServicesAvailable(Context context) {
         if (isPlayServicesAvailable != null) {
             return isPlayServicesAvailable;
         }
 
-        HuaweiApiAvailability apiAvailability = HuaweiApiAvailability.getInstance();
-        isPlayServicesAvailable = apiAvailability.isHuaweiMobileServicesAvailable(context) == ConnectionResult.SUCCESS;
+        isPlayServicesAvailable = apiAvailability.isServicesAvailable(context);
         return isPlayServicesAvailable;
     }
 }

infobip-mobile-messaging-huawei-sdk/src/main/java/org/infobip/mobile/messaging/mobileapi/apiavailability/ApiAvailability.java

@@ -0,0 +1,37 @@
+package org.infobip.mobile.messaging.mobileapi.apiavailability;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+
+import com.huawei.hms.api.ConnectionResult;
+import com.huawei.hms.api.HuaweiApiAvailability;
+
+public class ApiAvailability {
+
+    /**
+     * Chack ApiAvailability status and return ConnectionResult code
+     * @param context
+     * @return
+     */
+    public int checkServicesStatus(Context context) {
+        HuaweiApiAvailability apiAvailability = HuaweiApiAvailability.getInstance();
+        return apiAvailability.isHuaweiMobileServicesAvailable(context);
+    }
+
+    public boolean isServicesAvailable(Context context) {
+        return checkServicesStatus(context) == ConnectionResult.SUCCESS;
+    }
+
+    public boolean isUserResolvableError(int errorCode) {
+        HuaweiApiAvailability apiAvailability = HuaweiApiAvailability.getInstance();
+        return apiAvailability.isUserResolvableError(errorCode);
+    }
+
+    public Dialog getErrorDialog(Activity activity, int errorCode, int platformError, DialogInterface.OnCancelListener listner) {
+        HuaweiApiAvailability apiAvailability = HuaweiApiAvailability.getInstance();
+        return apiAvailability.getErrorDialog(activity, errorCode, platformError, listner);
+    }
+
+}