Fixes #5347

Signed-off-by: Andrey Shovkoplyas <motor4ik@gmail.com>

modules/react-native-status/android/src/main/java/im/status/ethereum/module/StatusModule.java

@@ -23,6 +23,7 @@ import java.io.FileInputStream;
 import java.io.OutputStream;
 import java.io.FileOutputStream;
 import java.util.HashMap;
+import java.util.Map;
 import java.util.UUID;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -31,6 +32,8 @@ import org.json.JSONObject;
 import org.json.JSONException;
 import com.instabug.library.Instabug;
 
+import javax.annotation.Nullable;
+
 class StatusModule extends ReactContextBaseJavaModule implements LifecycleEventListener, ConnectorHandler {
 
     private static final String TAG = "StatusModule";
@@ -43,6 +46,7 @@ class StatusModule extends ReactContextBaseJavaModule implements LifecycleEventL
     private boolean debug;
     private boolean devCluster;
     private String logLevel;
+    private ReactApplicationContext reactContext;
 
     StatusModule(ReactApplicationContext reactContext, boolean debug, boolean devCluster, String logLevel) {
         super(reactContext);
@@ -52,6 +56,7 @@ class StatusModule extends ReactContextBaseJavaModule implements LifecycleEventL
         this.debug = debug;
         this.devCluster = devCluster;
         this.logLevel = logLevel;
+        this.reactContext = reactContext;
         reactContext.addLifecycleEventListener(this);
     }
 
@@ -703,7 +708,7 @@ class StatusModule extends ReactContextBaseJavaModule implements LifecycleEventL
         Log.d(TAG, "AppStateChange: " + type);
         Statusgo.AppStateChange(type);
     }
-
+    
     private static String uniqueID = null;
     private static final String PREF_UNIQUE_ID = "PREF_UNIQUE_ID";
 
@@ -722,4 +727,17 @@ class StatusModule extends ReactContextBaseJavaModule implements LifecycleEventL
         }
         callback.invoke(uniqueID);
     }
+
+  private Boolean is24Hour() {
+    return android.text.format.DateFormat.is24HourFormat(this.reactContext.getApplicationContext());
+  }
+
+  @Override
+  public @Nullable
+  Map<String, Object> getConstants() {
+    HashMap<String, Object> constants = new HashMap<String, Object>();
+
+    constants.put("is24Hour", this.is24Hour());
+    return constants;
+  }
 }

modules/react-native-status/ios/RCTStatus/RCTStatus.m

@@ -398,4 +398,17 @@ RCT_EXPORT_METHOD(getDeviceUUID:(RCTResponseSenderBlock)callback) {
     return;
 }
 
+- (bool) is24Hour
+{
+    NSString *format = [NSDateFormatter dateFormatFromTemplate:@"j" options:0 locale:[NSLocale currentLocale]];
+    return ([format rangeOfString:@"a"].location == NSNotFound);
+}
+
+- (NSDictionary *)constantsToExport
+{
+    return @{
+             @"is24Hour": @(self.is24Hour),
+             };
+}
+
 @end

src/status_im/native_module/core.cljs

@@ -65,3 +65,6 @@
 
 (defn get-device-UUID [callback]
   (native-module/get-device-UUID callback))
+
+(defn is24Hour []
+  (native-module/is24Hour))

src/status_im/native_module/impl/module.cljs

@@ -154,3 +154,7 @@
      status
      (fn [UUID]
        (callback (string/upper-case UUID))))))
+
+(defn is24Hour []
+  (when status
+    (.-is24Hour status)))

src/status_im/utils/datetime.cljs

@@ -5,6 +5,7 @@
                                       formatter
                                       unparse]]
             [status-im.i18n :refer [label label-pluralize]]
+            [status-im.native-module.core :as status]
             [goog.string :as gstring]
             goog.string.format
             goog.i18n.DateTimeFormat
@@ -39,16 +40,11 @@
         "a")))
 
 ;; returns is24Hour from device or from given locale symbols
-;; when device-info module is not available (ie. desktop) returns from the given locale
-;
-; TODO integrate with native module. example:
-; (defn- is24Hour [locsym]
-;   (if rn/device-info
-;     (.is24Hour rn/device-info)
-;     (is24Hour-locsym locsym)))
-
+;; whenever we get non-nil value use it, else calculate it from the given locale symbol
 (defn- is24Hour [locsym]
-  (is24Hour-locsym locsym))
+  (if-some [fromdev (status/is24Hour)]
+    fromdev
+    (is24Hour-locsym locsym)))
 
 ;; time formats 
 (defn- short-time-format [locsym] (if (is24Hour locsym) "HH:mm" "h:mm a"))