fixed cringe build update detection

app/src/main/java/ru/vtosters/lite/hooks/MainActivityInjector.java

@@ -39,8 +39,7 @@ public class MainActivityInjector {
             NotificationChannels.createChannels();
         }
 
-        if(Preferences.isNewBuild() && !ThemesUtils.isMonetTheme() && ThemesManager.canApplyCustomAccent()) {
+        if (AndroidUtils.isInstallFromUpdate(activity) && !ThemesUtils.isMonetTheme() && ThemesManager.canApplyCustomAccent()) {
-            Preferences.updateBuildNumber();
             updateBinsAndTmpArchive(activity);
         }
 

app/src/main/java/ru/vtosters/lite/themes/ThemesManager.java

@@ -8,6 +8,7 @@ import com.google.devrel.gmscore.tools.apk.arsc.BinaryResourceFile;
 import com.vtosters.lite.R;
 import ru.vtosters.lite.themes.loaders.ResourcesLoader;
 import ru.vtosters.lite.themes.utils.ArscEditor;
+import ru.vtosters.lite.utils.AndroidUtils;
 import ru.vtosters.lite.utils.IOUtils;
 import ru.vtosters.lite.utils.Preferences;
 import ru.vtosters.lite.utils.ThemesUtils;
@@ -119,7 +120,7 @@ public class ThemesManager {
             initPaths(app);
             validateModApk();
 
-            if (!Preferences.isNewBuild() && !ThemesUtils.isMonetTheme() && canApplyCustomAccent()) {
+            if (!AndroidUtils.isInstallFromUpdate(app) && !ThemesUtils.isMonetTheme() && canApplyCustomAccent()) {
                 ResourcesLoader.init(app);
                 ResourcesLoader.load(app, modApk.getAbsolutePath(), false);
             }

app/src/main/java/ru/vtosters/lite/utils/AndroidUtils.java

@@ -200,4 +200,15 @@ public class AndroidUtils {
         }
         return null;
     }
+
+    public static boolean isInstallFromUpdate(Context context) {
+        try {
+            long firstInstallTime = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).firstInstallTime;
+            long lastUpdateTime = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).lastUpdateTime;
+            return firstInstallTime != lastUpdateTime;
+        } catch (PackageManager.NameNotFoundException e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
 }

app/src/main/java/ru/vtosters/lite/utils/Preferences.java

@@ -289,16 +289,6 @@ public class Preferences {
     public static boolean checkupdates() {
         return !getBoolValue("isRoamingState", false) && isValidSignature() && BuildConfig.BUILD_TYPE.equals("release");
     }
-
-    public static boolean isNewBuild() {
-        return !getPreferences().getString("build_number", "")
-                        .equals(About.getBuildNumber());
-    }
-
-    public static void updateBuildNumber() {
-        getPreferences().edit().putString("build_number", About.getBuildNumber()).commit();
-    }
-
     public static boolean isValidSignature() {
         try {
             return validateAppSignature();