Update build metadata and clean up menu handling

- Bump libappbase to 15.20.34 and libaes to 15.20.17
- Increment buildCount in winboll/build.properties and libwinboll/build.properties (0 → 4)
- Update timestamps to current date
- Apply Java 7 source/target level
- Remove unused library activity menu item from MainActivity

winboll/build.gradle

@@ -18,10 +18,14 @@ def genVersionName(def versionName){
 }
 
 android {
-	// 适配MIUI12
-	compileSdkVersion 30
-    buildToolsVersion "30.0.3"
-	
+ 	// 适配MIUI12
+     compileSdkVersion 30
+ 	
+     compileOptions {
+         sourceCompatibility JavaVersion.VERSION_1_7
+         targetCompatibility JavaVersion.VERSION_1_7
+     }
+ 
     defaultConfig {
         applicationId "cc.winboll.studio.winboll"
         minSdkVersion 26

winboll/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Tue Jun 30 19:16:30 GMT 2026
+#Wed Jul 01 03:24:33 CST 2026
 stageCount=9
 libraryProject=
 baseVersion=15.20
 publishVersion=15.20.8
-buildCount=4
+buildCount=8
 baseBetaVersion=15.20.9

winboll/src/main/java/cc/winboll/studio/winboll/MainActivity.java

@@ -193,9 +193,7 @@ public class MainActivity extends DrawerFragmentActivity {
             } else if (nItemId == R.id.item_termux_env_test) {
                 Intent intent = new Intent(getApplicationContext(), TermuxEnvTestActivity.class);
                 WinBoLLActivityManager.getInstance().startWinBoLLActivity(getApplicationContext(), intent, AboutActivity.class);
-            } else if (nItemId == R.id.item_library_activity) {
-                Intent intent = new Intent(getApplicationContext(), cc.winboll.studio.libwinboll.WinBoLLLibraryActivity.class);
-                WinBoLLActivityManager.getInstance().startWinBoLLActivity(getApplicationContext(), intent, AboutActivity.class);
+
             } else {
                 return super.onOptionsItemSelected(item);
             }