Showing a proper message if app details request fails

app/src/main/java/com/github/yeriomin/yalpstore/DetailsActivity.java

@@ -75,6 +75,8 @@ public class DetailsActivity extends YalpStoreActivity {
                 if (this.app != null) {
                     DetailsDependentActivity.app = this.app;
                     drawDetails(this.app);
+                } else {
+                    finish();
                 }
             }
         };

app/src/main/java/com/github/yeriomin/yalpstore/DetailsTask.java

@@ -7,6 +7,8 @@ import android.graphics.drawable.Drawable;
 
 import com.github.yeriomin.yalpstore.model.App;
 
+import java.io.IOException;
+
 public class DetailsTask extends GoogleApiAsyncTask {
 
     protected App app;
@@ -17,6 +19,13 @@ public class DetailsTask extends GoogleApiAsyncTask {
         return this;
     }
 
+    @Override
+    protected void processIOException(IOException e) {
+        if (null != e) {
+            toast(this.context, R.string.details_not_available_on_play_store);
+        }
+    }
+
     @Override
     protected Throwable doInBackground(String... params) {
         PlayStoreApiWrapper wrapper = new PlayStoreApiWrapper(this.context);

app/src/main/java/com/github/yeriomin/yalpstore/GoogleApiAsyncTask.java

@@ -90,7 +90,7 @@ abstract class GoogleApiAsyncTask extends AsyncTask<String, Void, Throwable> {
         }
     }
 
-    private void processIOException(IOException e) {
+    protected void processIOException(IOException e) {
         String message;
         if (noNetwork(e)) {
             message = this.context.getString(R.string.error_no_network);

app/src/main/res/values-ru/strings.xml

@@ -98,6 +98,7 @@
     <string name="details_no_dependencies">нет зависимостей</string>
     <string name="details_contains_ads">Содержит рекламу</string>
     <string name="details_no_ads">Без рекламы</string>
+    <string name="details_not_available_on_play_store">Этого приложения нет в Play Store</string>
     <string name="suffix_million">млн</string>
     <string name="suffix_billion">млрд</string>
     <string name="credentials_hint_email">e-mail</string>

app/src/main/res/values/strings.xml

@@ -97,6 +97,7 @@
     <string name="details_no_dependencies">nothing</string>
     <string name="details_contains_ads">Contains ads</string>
     <string name="details_no_ads">No ads</string>
+    <string name="details_not_available_on_play_store">Not available on Play Store</string>
     <string name="suffix_million">mil</string>
     <string name="suffix_billion">bil</string>
     <string name="credentials_hint_email">e-mail here</string>