update

app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingCustomActivity.java

@@ -12,6 +12,7 @@ import com.fongmi.android.tv.R;
 import com.fongmi.android.tv.Setting;
 import com.fongmi.android.tv.databinding.ActivitySettingCustomBinding;
 import com.fongmi.android.tv.event.RefreshEvent;
+import com.fongmi.android.tv.impl.CacheDirCallback;
 import com.fongmi.android.tv.ui.base.BaseActivity;
 import com.fongmi.android.tv.ui.dialog.ButtonsDialog;
 import com.fongmi.android.tv.ui.dialog.CacheDirDialog;
@@ -26,7 +27,7 @@ import com.permissionx.guolindev.PermissionX;
 import com.tencent.smtt.sdk.QbSdk;
 import java.util.Locale;
 
-public class SettingCustomActivity extends BaseActivity {
+public class SettingCustomActivity extends BaseActivity implements CacheDirCallback {
 
     private ActivitySettingCustomBinding mBinding;
     private String[] quality;
@@ -203,10 +204,6 @@ public class SettingCustomActivity extends BaseActivity {
         });
     }
 
-    public void setCacheDirText() {
-        mBinding.cacheDirText.setText(Setting.getCacheDir());
-    }
-
     private void setLanguage(View view) {
         LanguageDialog.create(this).show();
     }
@@ -239,4 +236,10 @@ public class SettingCustomActivity extends BaseActivity {
         }).start();
     }
 
+    @Override
+    public void setCacheDir(String dir) {
+        Setting.putCacheDir(dir);
+        mBinding.cacheDirText.setText(dir);
+    }
+
 }

app/src/leanback/java/com/fongmi/android/tv/ui/dialog/CacheDirDialog.java

@@ -9,7 +9,7 @@ import androidx.recyclerview.widget.GridLayoutManager;
 
 import com.fongmi.android.tv.Setting;
 import com.fongmi.android.tv.databinding.DialogCacheDirBinding;
-import com.fongmi.android.tv.ui.activity.SettingCustomActivity;
+import com.fongmi.android.tv.impl.CacheDirCallback;
 import com.fongmi.android.tv.ui.adapter.CacheDirAdapter;
 import com.fongmi.android.tv.ui.custom.SpaceItemDecoration;
 import com.fongmi.android.tv.utils.ResUtil;
@@ -23,7 +23,7 @@ public class CacheDirDialog implements CacheDirAdapter.OnClickListener {
     private final DialogCacheDirBinding binding;
     private final CacheDirAdapter adapter;
     private final AlertDialog dialog;
-    private final Activity activity;
+    private final CacheDirCallback callback;
     private List<String> mItems;
     private int position;
     public static CacheDirDialog create(Activity activity) {
@@ -40,7 +40,7 @@ public class CacheDirDialog implements CacheDirAdapter.OnClickListener {
             if (mItems.get(i).equals(cacheDir)) position = i;
         }
         this.adapter = new CacheDirAdapter(this, mItems);
-        this.activity = activity;
+        this.callback = (CacheDirCallback) activity;
         this.binding = DialogCacheDirBinding.inflate(LayoutInflater.from(activity));
         this.dialog = new MaterialAlertDialogBuilder(activity).setView(binding.getRoot()).create();
     }
@@ -82,9 +82,8 @@ public class CacheDirDialog implements CacheDirAdapter.OnClickListener {
 
     @Override
     public void onItemClick(String path) {
-        if (dialog != null) dialog.dismiss();
-        Setting.putCacheDir(path);
-        ((SettingCustomActivity) activity).setCacheDirText();
+        callback.setCacheDir(path);
+        dialog.dismiss();
     }
 
 }

app/src/main/java/com/fongmi/android/tv/impl/CacheDirCallback.java

@@ -0,0 +1,6 @@
+package com.fongmi.android.tv.impl;
+
+public interface CacheDirCallback {
+
+    void setCacheDir(String dir);
+}