Added BouncyCastle info button

app/src/main/java/eu/faircode/email/FragmentOptionsConnection.java

@@ -30,6 +30,7 @@ import android.net.Network;
 import android.net.NetworkCapabilities;
 import android.net.NetworkInfo;
 import android.net.NetworkRequest;
+import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
@@ -94,6 +95,7 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
     private SwitchCompat swOpenSafe;
     private SwitchCompat swBouncyCastle;
     private SwitchCompat swFipsMode;
+    private ImageButton ibBouncyCastle;
     private Button btnManage;
     private TextView tvNetworkMetered;
     private TextView tvNetworkRoaming;
@@ -148,6 +150,7 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
         swOpenSafe = view.findViewById(R.id.swOpenSafe);
         swBouncyCastle = view.findViewById(R.id.swBouncyCastle);
         swFipsMode = view.findViewById(R.id.swFipsMode);
+        ibBouncyCastle = view.findViewById(R.id.ibBouncyCastle);
         btnManage = view.findViewById(R.id.btnManage);
 
         tvNetworkMetered = view.findViewById(R.id.tvNetworkMetered);
@@ -367,6 +370,13 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
             }
         });
 
+        ibBouncyCastle.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.view(v.getContext(), Uri.parse("https://www.bouncycastle.org/"), true);
+            }
+        });
+
         final Intent manage = getIntentConnectivity();
         PackageManager pm = getContext().getPackageManager();
         btnManage.setVisibility(

app/src/main/res/layout/fragment_options_connection.xml

@@ -542,6 +542,18 @@
                     app:layout_constraintTop_toBottomOf="@id/swBouncyCastle"
                     app:switchPadding="12dp" />
 
+                <ImageButton
+                    android:id="@+id/ibBouncyCastle"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginTop="6dp"
+                    android:contentDescription="@string/title_info"
+                    android:tooltipText="@string/title_info"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swFipsMode"
+                    app:srcCompat="@drawable/twotone_info_24" />
+
                 <Button
                     android:id="@+id/btnManage"
                     style="?android:attr/buttonStyleSmall"
@@ -552,7 +564,7 @@
                     android:drawablePadding="6dp"
                     android:text="@string/title_advanced_manage_connectivity"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/swFipsMode" />
+                    app:layout_constraintTop_toBottomOf="@id/ibBouncyCastle" />
 
                 <TextView
                     android:id="@+id/tvNetworkMetered"