fix(launch): when open the app from launcher, stay current activity

app/src/main/AndroidManifest.xml

@@ -19,7 +19,7 @@
             android:name=".MainActivity"
             android:label="@string/launch_name"
             android:screenOrientation="portrait"
-            android:launchMode="singleTask">
+            android:launchMode="singleTop">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

service/src/main/java/com/github/kr328/clash/service/ClashNotification.kt

@@ -29,12 +29,14 @@ class ClashNotification(private val context: Service) {
         .setContentIntent(
             PendingIntent.getActivity(
                 context,
-                CLASH_STATUS_NOTIFICATION_ID,
+                (Math.random() * 100).toInt(),
                 Intent().setComponent(
                     ComponentName.createRelative(
                         context,
                         MAIN_ACTIVITY_NAME
                     )
+                ).setFlags(
+                    Intent.FLAG_ACTIVITY_SINGLE_TOP or Intent.FLAG_ACTIVITY_CLEAR_TOP
                 ),
                 PendingIntent.FLAG_UPDATE_CURRENT
             )