Support bitmap urls in large-icon (#238)

* Support bitmap urls in large-icon

* Remove comment

android/src/main/java/com/evollu/react/fcm/FIRLocalMessagingHelper.java

@@ -16,12 +16,16 @@ import android.os.Build;
 import android.os.Bundle;
 import android.support.v4.app.NotificationCompat;
 import android.util.Log;
+import android.util.Patterns;
 import android.content.SharedPreferences;
 import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.util.ArrayList;
-
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.HttpURLConnection;
 
 public class FIRLocalMessagingHelper {
     private static final long DEFAULT_VIBRATION = 300L;
@@ -110,6 +114,10 @@ public class FIRLocalMessagingHelper {
             //large icon
             String largeIcon = bundle.getString("large-icon");
             if(largeIcon != null && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP){
+                if (largeIcon.startsWith("http://") || largeIcon.startsWith("https://")) {
+                    Bitmap bitmap = getBitmapFromURL(largeIcon);
+                    notification.setLargeIcon(bitmap);
+                } else {
                     int largeIconResId = res.getIdentifier(largeIcon, "mipmap", packageName);
                     Bitmap largeIconBitmap = BitmapFactory.decodeResource(res, largeIconResId);
 
@@ -117,6 +125,7 @@ public class FIRLocalMessagingHelper {
                         notification.setLargeIcon(largeIconBitmap);
                     }
                 }
+            }
 
             //big text
             String bigText = bundle.getString("big_text");
@@ -303,4 +312,18 @@ public class FIRLocalMessagingHelper {
     public void setApplicationForeground(boolean foreground){
         mIsForeground = foreground;
     }
+
+    public Bitmap getBitmapFromURL(String strURL) {
+        try {
+            URL url = new URL(strURL);
+            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+            connection.setDoInput(true);
+            connection.connect();
+            InputStream input = connection.getInputStream();
+            return BitmapFactory.decodeStream(input);
+        } catch (IOException e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
 }