Fix bug

app/src/main/java/com/fongmi/android/tv/bean/Device.java

@@ -20,7 +20,6 @@ import com.google.gson.annotations.SerializedName;
 
 import java.util.Comparator;
 import java.util.List;
-import java.util.Objects;
 
 @Entity(indices = @Index(value = {"uuid", "name"}, unique = true))
 public class Device implements Diffable<Device> {
@@ -164,16 +163,11 @@ public class Device implements Diffable<Device> {
         AppDatabase.get().getDeviceDao().delete();
     }
 
-    @Override
-    public int hashCode() {
-        return Objects.hash(getUuid(), getName());
-    }
-
     @Override
     public boolean equals(@Nullable Object obj) {
         if (this == obj) return true;
         if (!(obj instanceof Device it)) return false;
-        return getUuid().equals(it.getUuid()) && getName().equals(it.getName());
+        return getUuid().equals(it.getUuid());
     }
 
     @NonNull

app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java

@@ -47,7 +47,7 @@ public abstract class BaseDiffAdapter<T extends Diffable<T>, VH extends Recycler
 
     public void sort(Comparator<T> comparator) {
         List<T> current = new ArrayList<>(getItems());
-        if (current.isEmpty()) return;
+        if (current.size() < 2) return;
         current.sort(comparator);
         setItems(current);
     }

app/src/mobile/java/com/fongmi/android/tv/ui/adapter/DeviceAdapter.java

@@ -36,6 +36,7 @@ public class DeviceAdapter extends BaseDiffAdapter<Device, DeviceAdapter.ViewHol
 
     @Override
     public void addItems(List<Device> items) {
+        if (items.isEmpty()) return;
         super.addItems(items);
         sort(new Device.Sorter());
     }

app/src/mobile/java/com/fongmi/android/tv/ui/dialog/CastDialog.java

@@ -142,9 +142,9 @@ public class CastDialog extends BaseDialog implements DeviceAdapter.OnClickListe
     }
 
     private void onRefresh() {
-        if (fm) scanTask.start(adapter.getIps());
-        DLNACastManager.INSTANCE.search(null);
         adapter.clear();
+        DLNACastManager.INSTANCE.search(null);
+        if (fm) scanTask.start(adapter.getIps());
     }
 
     private void onCasted() {

app/src/mobile/java/com/fongmi/android/tv/ui/dialog/SyncDialog.java

@@ -137,8 +137,8 @@ public class SyncDialog extends BaseDialog implements DeviceAdapter.OnClickListe
     }
 
     private void onRefresh() {
-        scanTask.start(adapter.getIps());
         adapter.clear();
+        scanTask.start(adapter.getIps());
     }
 
     private void onSuccess() {