1 files changed, 5 insertions, 8 deletions
diff --git a/app/src/main/java/invalid/lena/scrcpy/Devices.java b/app/src/main/java/invalid/lena/scrcpy/Devices.java
index 2883025..c3e5141 100644
--- a/app/src/main/java/invalid/lena/scrcpy/Devices.java
+++ b/app/src/main/java/invalid/lena/scrcpy/Devices.java
@@ -6,6 +6,7 @@ import org.json.JSONArray;
 import org.json.JSONObject;
 
 import java.io.File;
+import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.util.ArrayList;
@@ -97,18 +98,14 @@ public final class Devices {
         }
     }
 
-    public static void save(Context ctx, List<Device> devices) {
+    public static void save(Context ctx, List<Device> devices) throws IOException {
         File f = new File(ctx.getFilesDir(), FILE);
-        try {
-            AtomicFiles.write(f, serialize(devices).getBytes(StandardCharsets.UTF_8));
-        } catch (Exception e) {
-            Log.e(e, "devices: save failed");
-        }
+        AtomicFiles.write(f, serialize(devices).getBytes(StandardCharsets.UTF_8));
     }
 
     // Add or replace by host+port. Context-rooted; the in-place helper
     // is the test seam.
-    public static List<Device> upsert(Context ctx, Device d) {
+    public static synchronized List<Device> upsert(Context ctx, Device d) throws IOException {
         List<Device> list = load(ctx);
         list.removeIf(d::equals);
         list.add(d);
@@ -117,7 +114,7 @@ public final class Devices {
     }
 
     // Remove the matching device (by host+port). Returns the updated list.
-    public static List<Device> remove(Context ctx, Device d) {
+    public static synchronized List<Device> remove(Context ctx, Device d) throws IOException {
         List<Device> list = load(ctx);
         list.removeIf(d::equals);
         save(ctx, list);