Fix issue #83

app/src/main/java/org/eu/exodus_privacy/exodusprivacy/MainActivity.java

@@ -60,6 +60,7 @@ public class MainActivity extends AppCompatActivity {
     private String packageName;
     private MainBinding binding;
     private ApplicationListAdapter.OnAppClickListener onAppClickListener;
+    private int appPosition;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -70,7 +71,7 @@ public class MainActivity extends AppCompatActivity {
             getSupportActionBar().setTitle(R.string.app_title);
         }
         fragments = new ArrayList<>();
-
+        appPosition = 0;
         NetworkListener networkListener = new NetworkListener() {
             @Override
             public void onSuccess() {
@@ -119,11 +120,11 @@ public class MainActivity extends AppCompatActivity {
                     .commit();
         };
 
-        onAppClickListener = vm -> {
+        onAppClickListener = (vm, position) -> {
             try {
                 PackageManager pm = getPackageManager();
                 PackageInfo packageInfo = pm.getPackageInfo(vm.packageName, PackageManager.GET_PERMISSIONS);
-
+                appPosition = position;
                 ReportFragment report = ReportFragment.newInstance(pm, vm, packageInfo, onTrackerClickListener);
                 fragments.add(report);
                 FragmentManager manager = getSupportFragmentManager();
@@ -166,6 +167,10 @@ public class MainActivity extends AppCompatActivity {
         else {
             getSupportFragmentManager().popBackStack();
             fragments.remove(fragments.size() - 1);
+            Updatable updatable = fragments.get(fragments.size() - 1);
+            if (updatable instanceof HomeFragment) {
+                ((HomeFragment) updatable).scrollTo(appPosition);
+            }
         }
     }
 

app/src/main/java/org/eu/exodus_privacy/exodusprivacy/Utils.java

@@ -18,6 +18,7 @@ import java.util.regex.Pattern;
 
 public class Utils {
 
+    public static final String TAG = "Exodus_privacy";
     @SuppressLint("PackageManagerGetSignatures")
     public static String getCertificateSHA1Fingerprint(PackageManager pm, String packageName) {
         int flags = PackageManager.GET_SIGNATURES;

app/src/main/java/org/eu/exodus_privacy/exodusprivacy/adapters/ApplicationListAdapter.java

@@ -90,7 +90,7 @@ public class ApplicationListAdapter extends RecyclerView.Adapter<RecyclerView.Vi
             holder.itemView.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
-                    onAppClickListener.onAppClick(vm);
+                    onAppClickListener.onAppClick(vm, position);
                 }
             });
         } else //noinspection RedundantSuppression
@@ -151,7 +151,7 @@ public class ApplicationListAdapter extends RecyclerView.Adapter<RecyclerView.Vi
     }
 
     public interface OnAppClickListener {
-        void onAppClick(ApplicationViewModel vm);
+        void onAppClick(ApplicationViewModel vm, int position);
     }
 
     static class ApplicationEmptyViewHolder extends RecyclerView.ViewHolder {

app/src/main/java/org/eu/exodus_privacy/exodusprivacy/fragments/AppListFragment.java

@@ -93,6 +93,10 @@ public class AppListFragment extends Fragment {
         TRACKER
     }
 
+    public void scrollTo(int position) {
+        applistBinding.appList.scrollToPosition(position);
+    }
+
     public enum Order {
         NAME_ASC,
         NAME_DSC,

app/src/main/java/org/eu/exodus_privacy/exodusprivacy/fragments/HomeFragment.java

@@ -44,7 +44,7 @@ public class HomeFragment extends Fragment implements ComputeAppListTask.Listene
     private int lastResource = 0;
     private int lastProgress = 0;
     private int lastMaxProgress = 0;
-
+    private int scrollTo = 0;
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         if (applications == null)
@@ -94,6 +94,19 @@ public class HomeFragment extends Fragment implements ComputeAppListTask.Listene
         }
     }
 
+    @Override
+    public void onResume() {
+        super.onResume();
+        if (scrollTo > 0) {
+            appListFragment.scrollTo(scrollTo);
+            scrollTo = 0;
+        }
+    }
+
+    public void scrollTo(int position) {
+        scrollTo = position;
+    }
+
     @Override
     public void onUpdateComplete() {
         refreshInProgress = false;