move help dialog in a separate class

will be used from other places too

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/HelpDialog.java b/app/src/main/java/net/ktnx/mobileledger/ui/HelpDialog.java
new file mode 100644 (file)
index 0000000..984eeeb
--- /dev/null
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/HelpDialog.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright © 2021 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * MoLe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.ui;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.text.TextUtils;
+
+import androidx.annotation.ArrayRes;
+import androidx.annotation.StringRes;
+
+import net.ktnx.mobileledger.R;
+
+public class HelpDialog {
+    public static void show(Context context, @StringRes int title, @ArrayRes int content) {
+        AlertDialog.Builder adb = new AlertDialog.Builder(context);
+        adb.setTitle(title);
+        adb.setMessage(TextUtils.join("\n\n", context.getResources()
+                                                     .getStringArray(content)));
+        adb.setPositiveButton(R.string.close_button, (dialog, buttonId) -> dialog.dismiss());
+        adb.create()
+           .show();
+    }
+}

diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/templates/TemplateListFragment.java b/app/src/main/java/net/ktnx/mobileledger/ui/templates/TemplateListFragment.java
index 2f0325535cf76e4f1da6e0abd1f440958709d3c9..64145c904e211611bcdf4d97b68049208c885137 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/ui/templates/TemplateListFragment.java
+++ b/app/src/main/java/net/ktnx/mobileledger/ui/templates/TemplateListFragment.java
@@ -17,10 +17,8 @@
 
 package net.ktnx.mobileledger.ui.templates;
 
-import android.app.AlertDialog;
 import android.content.Context;
 import android.os.Bundle;
-import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -44,6 +42,7 @@ import net.ktnx.mobileledger.databinding.FragmentTemplateListBinding;
 import net.ktnx.mobileledger.db.DB;
 import net.ktnx.mobileledger.db.TemplateHeader;
 import net.ktnx.mobileledger.ui.FabManager;
+import net.ktnx.mobileledger.ui.HelpDialog;
 import net.ktnx.mobileledger.utils.Logger;
 
 import org.jetbrains.annotations.NotNull;
@@ -82,14 +81,8 @@ public class TemplateListFragment extends Fragment {
     @Override
     public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         if (item.getItemId() == R.id.menu_item_template_list_help) {
-            AlertDialog.Builder adb = new AlertDialog.Builder(requireContext());
-            adb.setTitle(R.string.template_list_help_title);
-            adb.setMessage(TextUtils.join("\n\n", requireContext().getResources()
-                                                                  .getStringArray(
-                                                                          R.array.template_list_help_text)));
-            adb.setPositiveButton(R.string.close_button, (dialog, buttonId) -> dialog.dismiss());
-            adb.create()
-               .show();
+            HelpDialog.show(requireContext(), R.string.template_list_help_title,
+                    R.array.template_list_help_text);
             return true;
         }
         return super.onOptionsItemSelected(item);