From fabe82b0b653b9b3df98c9c35a905594aff408ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=97=E5=AE=AB=E9=9B=AA=E7=8F=8A?= <vvb2060@gmail.com>
Date: Fri, 15 Oct 2021 02:25:36 +0800
Subject: [PATCH] [app] Show release notes (#1277)

---
 .../manager/ui/dialog/FlashDialogBuilder.java     | 15 ++++++++++++---
 .../lsposed/manager/ui/fragment/HomeFragment.java |  6 ++++--
 .../java/org/lsposed/manager/util/UpdateUtil.java |  2 ++
 3 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/org/lsposed/manager/ui/dialog/FlashDialogBuilder.java b/app/src/main/java/org/lsposed/manager/ui/dialog/FlashDialogBuilder.java
index 9811a7b8..13bad3aa 100644
--- a/app/src/main/java/org/lsposed/manager/ui/dialog/FlashDialogBuilder.java
+++ b/app/src/main/java/org/lsposed/manager/ui/dialog/FlashDialogBuilder.java
@@ -33,13 +33,14 @@ public class FlashDialogBuilder extends BlurBehindDialogBuilder {
     private final TextView textView;
     private final BorderNestedScrollView rootView;
 
-    public FlashDialogBuilder(@NonNull Context context, @NonNull String zipPath) {
+    public FlashDialogBuilder(@NonNull Context context, String zipPath, String notes) {
         super(context);
         this.zipPath = zipPath;
         setTitle(R.string.update_lsposed);
 
         textView = new MaterialTextView(context);
-        textView.setText(R.string.update_lsposed_msg);
+        var text = notes + "\n\n\n" + context.getString(R.string.update_lsposed_msg) + "\n\n";
+        textView.setText(text);
         textView.setMovementMethod(LinkMovementMethod.getInstance());
 
         LayoutInflater inflater = LayoutInflater.from(context);
@@ -57,7 +58,15 @@ public class FlashDialogBuilder extends BlurBehindDialogBuilder {
     public AlertDialog show() {
         var dialog = super.show();
         var button = dialog.getButton(AlertDialog.BUTTON_POSITIVE);
-        button.setOnClickListener((v) -> setFlashView(v, dialog));
+        button.setEnabled(false);
+        rootView.setOnScrollChangeListener((View.OnScrollChangeListener)
+                (v, scrollX, scrollY, oldScrollX, oldScrollY) -> button.setEnabled(
+                        v.getScrollY() + v.getHeight() - v.getPaddingTop() - v.getPaddingBottom()
+                                == rootView.getChildAt(0).getHeight()));
+        button.setOnClickListener((v) -> {
+            rootView.setOnScrollChangeListener((View.OnScrollChangeListener) null);
+            setFlashView(v, dialog);
+        });
         return dialog;
     }
 
diff --git a/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java b/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
index 078c2be3..5d28101e 100644
--- a/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
+++ b/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
@@ -102,9 +102,11 @@ public class HomeFragment extends BaseFragment {
                 }
             } else {
                 if (UpdateUtil.canUpdate()) {
-                    var zip = App.getPreferences().getString("zip_file", null);
+                    var pref = App.getPreferences();
+                    var zip = pref.getString("zip_file", null);
+                    var notes = pref.getString("release_notes", "");
                     if (zip != null) {
-                        new FlashDialogBuilder(activity, zip).show();
+                        new FlashDialogBuilder(activity, zip, notes).show();
                         return;
                     }
                 }
diff --git a/app/src/main/java/org/lsposed/manager/util/UpdateUtil.java b/app/src/main/java/org/lsposed/manager/util/UpdateUtil.java
index d48e866d..a4960929 100644
--- a/app/src/main/java/org/lsposed/manager/util/UpdateUtil.java
+++ b/app/src/main/java/org/lsposed/manager/util/UpdateUtil.java
@@ -41,9 +41,11 @@ public class UpdateUtil {
                     var name = assets.get("name").getAsString();
                     var code = Integer.parseInt(name.split("-", 4)[2]);
                     var now = Instant.now().getEpochSecond();
+                    var releaseNotes = info.get("body").getAsString();
                     pref.edit()
                             .putInt("latest_version", code)
                             .putLong("latest_check", now)
+                            .putString("release_notes", releaseNotes)
                             .putBoolean("checked", true)
                             .apply();
                     var updatedAt = Instant.parse(assets.get("updated_at").getAsString());