Added manage connectivity button

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

@@ -20,6 +20,7 @@ package eu.faircode.email;
 */
 
 import android.content.Context;
+import android.content.Intent;
 import android.content.SharedPreferences;
 import android.net.ConnectivityManager;
 import android.net.Network;
@@ -33,6 +34,7 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
+import android.widget.Button;
 import android.widget.CompoundButton;
 import android.widget.Spinner;
 import android.widget.TextView;
@@ -49,6 +51,7 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
     private Spinner spDownload;
     private SwitchCompat swRoaming;
     private SwitchCompat swRlah;
+    private Button btnManage;
     private TextView tvConnectionType;
     private TextView tvConnectionRoaming;
 
@@ -70,6 +73,7 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
         spDownload = view.findViewById(R.id.spDownload);
         swRoaming = view.findViewById(R.id.swRoaming);
         swRlah = view.findViewById(R.id.swRlah);
+        btnManage = view.findViewById(R.id.btnManage);
 
         tvConnectionType = view.findViewById(R.id.tvConnectionType);
         tvConnectionRoaming = view.findViewById(R.id.tvConnectionRoaming);
@@ -117,6 +121,15 @@ public class FragmentOptionsConnection extends FragmentBase implements SharedPre
             }
         });
 
+        final Intent manage = ConnectionHelper.getSettingsIntent(getContext());
+        btnManage.setVisibility(manage == null ? View.GONE : View.VISIBLE);
+        btnManage.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                startActivity(manage);
+            }
+        });
+
         PreferenceManager.getDefaultSharedPreferences(getContext()).registerOnSharedPreferenceChangeListener(this);
 
         tvConnectionType.setVisibility(View.GONE);

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

@@ -119,18 +119,30 @@
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/swRlah" />
 
+            <Button
+                android:id="@+id/btnManage"
+                style="?android:attr/buttonStyleSmall"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="12dp"
+                android:minWidth="0dp"
+                android:minHeight="0dp"
+                android:text="@string/title_advanced_manage_connectivity"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/tvRlahHint" />
+
             <TextView
                 android:id="@+id/tvConnectionType"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:layout_marginTop="24dp"
+                android:layout_marginTop="12dp"
                 android:layout_marginEnd="48dp"
                 android:text="Connection is unmetered"
                 android:textAppearance="@style/TextAppearance.AppCompat.Small"
                 android:textStyle="italic"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/tvRlahHint" />
+                app:layout_constraintTop_toBottomOf="@id/btnManage" />
 
             <TextView
                 android:id="@+id/tvConnectionRoaming"

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

@@ -180,8 +180,10 @@
 
     <string name="title_advanced_metered">Use metered connections</string>
     <string name="title_advanced_download">Automatically download messages and attachments on a metered connection up to</string>
-    <string name="title_advanced_rlah">Roam like at home</string>
     <string name="title_advanced_roaming">Download messages and attachments while roaming</string>
+    <string name="title_advanced_rlah">Roam like at home</string>
+    <string name="title_advanced_manage_connectivity">Manage connectivity</string>
+
     <string name="title_advanced_browse">Browse messages on the server</string>
 
     <string name="title_advanced_startup">Show on start screen</string>