Fixed problems with folder device selection (fixes #782)

src/main/java/com/nutomic/syncthingandroid/activities/FolderActivity.java

@@ -22,7 +22,6 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.google.common.base.Objects;
-import com.google.common.collect.ImmutableList;
 import com.google.gson.Gson;
 import com.nutomic.syncthingandroid.R;
 import com.nutomic.syncthingandroid.fragments.dialog.KeepVersionsDialogFragment;
@@ -96,14 +95,12 @@ public class FolderActivity extends SyncthingActivity
                     mFolderNeedsToUpdate = true;
                     break;
                 case R.id.device_toggle:
-                    List<String> devicesList = mFolder.getDevices();
                     Device device = (Device) view.getTag();
                     if (isChecked) {
-                        devicesList.add(device.deviceID);
+                        mFolder.addDevice(device.deviceID);
                     } else {
-                        devicesList.remove(device.deviceID);
+                        mFolder.removeDevice(device.deviceID);
                     }
-                    mFolder.setDevices(devicesList);
                     mFolderNeedsToUpdate = true;
                     break;
             }
@@ -339,11 +336,7 @@ public class FolderActivity extends SyncthingActivity
         mFolder.versioning = new Folder.Versioning();
         String deviceId = getIntent().getStringExtra(EXTRA_DEVICE_ID);
         if (deviceId != null) {
-            List<String> devices = ImmutableList.<String>builder()
+            mFolder.addDevice(deviceId);
-                    .addAll(mFolder.getDevices())
-                    .add(deviceId)
-                    .build();
-            mFolder.setDevices(devices);
         }
     }
 
@@ -370,7 +363,7 @@ public class FolderActivity extends SyncthingActivity
     private void addDeviceViewAndSetListener(Device device, LayoutInflater inflater) {
         inflater.inflate(R.layout.item_device_form, mDevicesContainer);
         SwitchCompat deviceView = (SwitchCompat) mDevicesContainer.getChildAt(mDevicesContainer.getChildCount()-1);
-        deviceView.setChecked(mFolder.getDevices().contains(device.deviceID));
+        deviceView.setChecked(mFolder.getDevice(device.deviceID) != null);
         deviceView.setText(device.getDisplayName());
         deviceView.setTag(device);
         deviceView.setOnCheckedChangeListener(mCheckedListener);

src/main/java/com/nutomic/syncthingandroid/model/Folder.java

@@ -2,7 +2,7 @@ package com.nutomic.syncthingandroid.model;
 
 import java.io.Serializable;
 import java.util.ArrayList;
-import java.util.HashMap;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
@@ -12,7 +12,7 @@ public class Folder {
     public String label;
     public String path;
     public String type;
-    private transient List<Map<String, String>> devices = new ArrayList<>();
+    public List<Device> devices = new ArrayList<>();
     public int rescanIntervalS;
     public boolean ignorePerms;
     public boolean autoNormalize;
@@ -36,23 +36,27 @@ public class Folder {
         public Map<String, String> params;
     }
 
-    public List<String> getDevices() {
+    public void addDevice(String deviceId) {
-        if (devices == null)
+        Device d = new Device();
-            return new ArrayList<>();
+        d.deviceID = deviceId;
-
+        devices.add(d);
-        List<String> devicesList = new ArrayList<>();
-        for (Map<String, String> map : devices) {
-            devicesList.addAll(map.values());
-        }
-        return devicesList;
     }
 
-    public void setDevices(List<String> newDevices) {
+    public Device getDevice(String deviceId) {
-        devices.clear();
+        for (Device d : devices) {
-        for (String d : newDevices) {
+            if (d.deviceID.equals(deviceId)) {
-            Map<String, String> map = new HashMap<>();
+                return d;
-            map.put("deviceID", d);
+            }
-            devices.add(map);
+        }
+        return null;
+    }
+
+    public void removeDevice(String deviceId) {
+        for (Iterator<Device> it = devices.iterator(); it.hasNext();) {
+            String currentId = it.next().deviceID;
+            if (currentId.equals(deviceId)) {
+                it.remove();
+            }
         }
     }
 }

src/main/java/com/nutomic/syncthingandroid/service/RestApi.java

@@ -371,13 +371,10 @@ public class RestApi implements SyncthingService.OnWebGuiAvailableListener,
         int maxPercentage = 100;
         for (Map.Entry<String, Model> modelInfo : mCachedModelInfo.entrySet()) {
             boolean isShared = false;
-            outerloop:
             for (Folder r : getFolders()) {
-                for (String n : r.getDevices()) {
+                if (r.getDevice(deviceId) != null) {
-                    if (n.equals(deviceId)) {
                     isShared = true;
-                        break outerloop;
+                    break;
-                    }
                 }
             }
             if (isShared) {