some null checks

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

@@ -7,6 +7,7 @@ import static ru.vtosters.lite.utils.LifecycleUtils.getCurrentActivity;
 import static ru.vtosters.lite.utils.ThemesUtils.getAlertStyle;
 import static ru.vtosters.lite.utils.ThemesUtils.getSTextAttr;
 
+import android.app.Activity;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.text.Editable;
@@ -57,7 +58,14 @@ public class CryptImHook{
         }
 
         IMProcessor finalEnabled = enabled;
-        new VkAlertDialog.Builder(getCurrentActivity())
+        Activity ctx = getCurrentActivity();
+
+        if (ctx == null) {
+            sendToast("Ошибка в работе приложения. Перезапустите приложение");
+            return;
+        }
+
+        new VkAlertDialog.Builder(ctx)
                 .setTitle(getString("encryption_sett"))
                 .setSingleChoiceItems(titles, enabledPosition, (dialog, which) -> {
                     if (which == 0) {
@@ -103,6 +111,11 @@ public class CryptImHook{
 
         Context ctx = getCurrentActivity();
 
+        if (ctx == null) {
+            sendToast("Ошибка в работе приложения. Перезапустите приложение");
+            return;
+        }
+
         LinearLayout linearLayout = new LinearLayout(ctx);
 
         final EditText editText = new EditText(ctx);

app/src/main/java/ru/vtosters/lite/ui/fragments/MediaFragment.java

@@ -225,7 +225,7 @@ public class MediaFragment extends MaterialPreferenceToolbarFragment {
         alert.getButton(DialogInterface.BUTTON_NEGATIVE).setTextColor(getAccentColor());;
     }
 
-    public static void deleteVideoHistory() {
+    public void deleteVideoHistory() {
         Thread thread = new Thread(() -> {
             try {
                 var request = new Request.a()
@@ -237,9 +237,9 @@ public class MediaFragment extends MaterialPreferenceToolbarFragment {
                     var response = new JSONObject(new OkHttpClient().a(request).execute().a().g());
 
                     if (response.optInt("response") == 1){
-                        LifecycleUtils.getCurrentActivity().runOnUiThread(() -> sendToast(AndroidUtils.getString("video_history_cleaned")));
+                        requireActivity().runOnUiThread(() -> sendToast(AndroidUtils.getString("video_history_cleaned")));
                     } else {
-                        LifecycleUtils.getCurrentActivity().runOnUiThread(() -> sendToast(AndroidUtils.getString("delete_video_history_error")));
+                        requireActivity().runOnUiThread(() -> sendToast(AndroidUtils.getString("delete_video_history_error")));
                     }
 
                     Log.d("VideoHistory", response.toString());

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

@@ -8,6 +8,7 @@ import static ru.vtosters.lite.utils.AndroidUtils.getString;
 import static ru.vtosters.lite.utils.AndroidUtils.sendToast;
 
 import android.Manifest;
+import android.app.Activity;
 import android.app.ProgressDialog;
 import android.content.Context;
 import android.content.SyncResult;
@@ -45,11 +46,11 @@ public class ContactsUtils{
                 });
     }
 
-    public static void uploadContacts(Context ctx){
+    public static void uploadContacts(Activity ctx){
         try {
             if (ContextCompat.checkSelfPermission(ctx, Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) {
                 sendToast(getString("contact_permission_toast"));
-                requestPermissions(LifecycleUtils.getCurrentActivity(), new String[] {Manifest.permission.READ_CONTACTS}, 11111);
+                requestPermissions(ctx, new String[] {Manifest.permission.READ_CONTACTS}, 11111);
             } else {
                 var account = VKAuthUtils.a.a(VKAccountManager.d().Z());
                 ContactsSyncAdapterService.c(ctx, account, new Bundle(), new SyncResult());

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

@@ -7,6 +7,7 @@ import static ru.vtosters.lite.utils.AndroidUtils.getCenterScreenCoords;
 import static ru.vtosters.lite.utils.AndroidUtils.getIdentifier;
 import static ru.vtosters.lite.utils.AndroidUtils.getPrefsValue;
 import static ru.vtosters.lite.utils.AndroidUtils.getResources;
+import static ru.vtosters.lite.utils.LifecycleUtils.*;
 import static ru.vtosters.lite.utils.Preferences.color_grishka;
 import static ru.vtosters.lite.utils.Preferences.dockbar_accent;
 import static ru.vtosters.lite.utils.Preferences.milkshake;
@@ -46,11 +47,19 @@ public class ThemesUtils {
     );
 
     public static void applyTheme(VKTheme theme) {
-        VKThemeHelper.theme(theme, LifecycleUtils.getCurrentActivity(), getCenterScreenCoords());
+        var activity = getCurrentActivity();
+
+        if (activity == null) return;
+
+        VKThemeHelper.theme(theme, activity, getCenterScreenCoords());
     } // Apply VKTheme and ImTheme (hard applying without dynamic theme changing)
 
     public static void setTheme(VKTheme theme, Activity activity) {
-        if (activity == null) activity = LifecycleUtils.getCurrentActivity();
+        if (activity == null) {
+            activity = getCurrentActivity();
+
+            if (activity == null) return;
+        }
         VKThemeHelper.theme(theme, activity, getCenterScreenCoords());
         ThemeTracker.a();
         isLoaded = false;
@@ -59,7 +68,11 @@ public class ThemesUtils {
     } // apply changed theme
 
     public static void setThemeFL(VKTheme theme, Activity activity, float[] fl) {
-        if (activity == null) activity = LifecycleUtils.getCurrentActivity();
+        if (activity == null) {
+            activity = getCurrentActivity();
+
+            if (activity == null) return;
+        }
         VKThemeHelper.theme(theme, activity, fl);
         ThemeTracker.a();
         isLoaded = false;