implement advertising related methods

app/src/main/java/com/customRobTop/BaseRobTopActivity.kt

@@ -77,12 +77,20 @@ open class BaseRobTopActivity : DefaultRobTopActivity() {
         fun openURL(url: String) {
             Log.d("MAIN", "Open URL")
             me.get()?.runOnUiThread {
+                try {
                     me.get()?.startActivity(
                         Intent(
                             "android.intent.action.VIEW",
                             Uri.parse(url)
                         )
                     )
+                } catch (e: ActivityNotFoundException) {
+                    Toast.makeText(
+                        me.get(),
+                        "No activity found to open this URL.",
+                        Toast.LENGTH_SHORT,
+                    ).show()
+                }
             }
         }
 
@@ -158,6 +166,45 @@ open class BaseRobTopActivity : DefaultRobTopActivity() {
 
         @JvmStatic
         fun unlockAchievement(id: String) {}
+
+        @JvmStatic
+        fun enableBanner() {}
+
+        @JvmStatic
+        fun disableBanner() {}
+
+        @JvmStatic
+        fun showInterstitial() {}
+
+        @JvmStatic
+        fun cacheInterstitial() {}
+
+        @JvmStatic
+        fun hasCachedInterstitial(): Boolean {
+            return false
+        }
+
+        @JvmStatic
+        fun showRewardedVideo() {}
+
+        @JvmStatic
+        fun cacheRewardedVideo() {}
+
+        @JvmStatic
+        fun hasCachedRewardedVideo(): Boolean {
+            return false
+        }
+
+        @JvmStatic
+        fun queueRefreshBanner() {}
+
+        @JvmStatic
+        fun enableBannerNoRefresh() {}
+
+        @JvmStatic
+        fun openAppPage() {
+            // todo: should this open to the rate dialog?
+        }
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {