perf: move root surfaces to recycler-backed pages

2026-04-04 01:31:02 +08:00
parent 35bcf92d72
commit bf4b27b062
6 changed files with 280 additions and 53 deletions
--- a/android/app/src/main/java/com/hyzq/boss/MainActivity.java
+++ b/android/app/src/main/java/com/hyzq/boss/MainActivity.java
@@ -12,6 +12,7 @@ import android.view.ViewGroup;
 import android.view.ViewParent;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.FrameLayout;
 import android.widget.LinearLayout;
 import android.widget.ProgressBar;
 import android.widget.ScrollView;
@@ -20,6 +21,7 @@ import android.widget.Toast;

 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 import androidx.viewpager2.widget.ViewPager2;
@@ -65,6 +67,7 @@ public class MainActivity extends AppCompatActivity {
    private Button tabMe;
    private ViewPager2 rootPager;
    private SwipeRefreshLayout screenRefresh;
+    private RecyclerView screenList;
    private ScrollView screenScroll;
    private LinearLayout screenContent;

@@ -461,7 +464,7 @@ public class MainActivity extends AppCompatActivity {

        switch (activeTab) {
            case "devices":
-                updateHeader("设备", "这里管理已接入设备与账号状态。");
+                updateHeader("设备", "");
                configureTopAction(WechatSurfaceMapper.rootTopAction(activeTab, false));
                renderDevicesRoot();
                break;
@@ -533,17 +536,18 @@ public class MainActivity extends AppCompatActivity {
    }

    private void renderConversationsRoot() {
-        if (screenContent == null) {
+        if (screenList == null) {
            return;
        }
-        screenContent.removeAllViews();
-        screenContent.addView(buildConversationSearchInput());
+        List<RootListItem> items = new ArrayList<>();
+        items.add(() -> buildConversationSearchInput());
        if (conversationSelectionMode) {
-            appendConversationSelectionControls();
+            appendConversationSelectionControls(items);
        }
        JSONArray filteredConversations = filterConversationItems(conversationsData, conversationSearchQuery);
        if (filteredConversations == null || filteredConversations.length() == 0) {
-            screenContent.addView(BossUi.buildEmptyCard(this, "当前没有会话数据。"));
+            items.add(() -> BossUi.buildEmptyCard(this, "当前没有会话数据。"));
+            showListPage(items);
            return;
        }

@@ -560,7 +564,7 @@ public class MainActivity extends AppCompatActivity {
        }

        if (pinnedItems.length() > 0) {
-            screenContent.addView(BossUi.buildConversationSectionHeader(
+            items.add(() -> BossUi.buildConversationSectionHeader(
                    this,
                    "置顶会话",
                    pinnedConversationsCollapsed ? "展开" : "收起",
@@ -570,13 +574,14 @@ public class MainActivity extends AppCompatActivity {
                    }
            ));
            if (!pinnedConversationsCollapsed) {
-                appendConversationRows(pinnedItems);
+                appendConversationRows(items, pinnedItems);
            }
        }
-        appendConversationRows(regularItems);
+        appendConversationRows(items, regularItems);
+        showListPage(items);
    }

-    private void appendConversationRows(JSONArray items) {
+    private void appendConversationRows(List<RootListItem> rootItems, JSONArray items) {
        for (int i = 0; i < items.length(); i++) {
            JSONObject item = items.optJSONObject(i);
            if (item == null) continue;
@@ -584,7 +589,7 @@ public class MainActivity extends AppCompatActivity {
            String conversationType = item.optString("conversationType", "");
            String folderKey = item.optString("folderKey", "");
            WechatSurfaceMapper.ConversationRow row = WechatSurfaceMapper.toConversationRow(item);
-            screenContent.addView(BossUi.buildConversationRow(
+            rootItems.add(() -> BossUi.buildConversationRow(
                    this,
                    row,
                    conversationSelectionMode,
@@ -620,8 +625,8 @@ public class MainActivity extends AppCompatActivity {
        }
    }

-    private void appendConversationSelectionControls() {
-        screenContent.addView(buildSelectionSummaryView());
+    private void appendConversationSelectionControls(List<RootListItem> items) {
+        items.add(() -> buildSelectionSummaryView());

        Button cancelButton = BossUi.buildMiniActionButton(this, "取消", false);
        cancelButton.setOnClickListener(v -> exitConversationSelectionMode());
@@ -630,7 +635,7 @@ public class MainActivity extends AppCompatActivity {
        createButton.setEnabled(selectedConversationProjectIds.size() >= 2);
        createButton.setOnClickListener(v -> createStandaloneGroupChatFromSelection());

-        screenContent.addView(BossUi.buildInlineActionRow(this, cancelButton, createButton));
+        items.add(() -> BossUi.buildInlineActionRow(this, cancelButton, createButton));
    }

    private LinearLayout buildSelectionSummaryView() {
@@ -826,12 +831,13 @@ public class MainActivity extends AppCompatActivity {
    }

    private void renderDevicesRoot() {
-        if (screenContent == null) {
+        if (screenList == null) {
            return;
        }
-        screenContent.removeAllViews();
+        List<RootListItem> items = new ArrayList<>();
        if (devicesData == null || devicesData.length() == 0) {
-            screenContent.addView(BossUi.buildEmptyCard(this, "当前没有接入设备。"));
+            items.add(() -> BossUi.buildEmptyCard(this, "当前没有接入设备。"));
+            showListPage(items);
            return;
        }

@@ -840,7 +846,7 @@ public class MainActivity extends AppCompatActivity {
            if (item == null) continue;
            String deviceId = item.optString("id", "");
            WechatSurfaceMapper.DeviceRow row = WechatSurfaceMapper.toDeviceRow(item);
-            screenContent.addView(BossUi.buildDeviceCard(
+            items.add(() -> BossUi.buildDeviceCard(
                    this,
                    row,
                    v -> {
@@ -853,12 +859,14 @@ public class MainActivity extends AppCompatActivity {
                    null
            ));
        }
+        showListPage(items);
    }

    private void renderMeRoot() {
        if (screenContent == null) {
            return;
        }
+        showScrollPage();
        screenContent.removeAllViews();
        String displayName = sessionData == null
                ? apiClient.getDisplayName()
@@ -1117,6 +1125,7 @@ public class MainActivity extends AppCompatActivity {
    private void syncActivePageViews(String tab) {
        if (rootPagerAdapter == null) {
            screenRefresh = null;
+            screenList = null;
            screenScroll = null;
            screenContent = null;
            return;
@@ -1124,12 +1133,14 @@ public class MainActivity extends AppCompatActivity {
        RootPageViewHolder holder = rootPagerAdapter.findHolder(tab);
        if (holder == null) {
            screenRefresh = null;
+            screenList = null;
            screenScroll = null;
            screenContent = null;
            rootPager.post(() -> {
                RootPageViewHolder pendingHolder = rootPagerAdapter.findHolder(activeTab);
                if (pendingHolder != null) {
                    screenRefresh = pendingHolder.refresh;
+                    screenList = pendingHolder.list;
                    screenScroll = pendingHolder.scroll;
                    screenContent = pendingHolder.content;
                    renderCurrentTab();
@@ -1139,10 +1150,43 @@ public class MainActivity extends AppCompatActivity {
            return;
        }
        screenRefresh = holder.refresh;
+        screenList = holder.list;
        screenScroll = holder.scroll;
        screenContent = holder.content;
    }

+    private void showListPage(List<RootListItem> items) {
+        if (screenList == null || screenScroll == null) {
+            return;
+        }
+        screenList.setVisibility(View.VISIBLE);
+        screenScroll.setVisibility(View.GONE);
+        RootListAdapter adapter = adapterForCurrentTab();
+        if (adapter != null) {
+            adapter.submit(items);
+        }
+    }
+
+    private void showScrollPage() {
+        if (screenList == null || screenScroll == null) {
+            return;
+        }
+        RootListAdapter adapter = adapterForCurrentTab();
+        if (adapter != null) {
+            adapter.submit(new ArrayList<>());
+        }
+        screenList.setVisibility(View.GONE);
+        screenScroll.setVisibility(View.VISIBLE);
+    }
+
+    private @Nullable RootListAdapter adapterForCurrentTab() {
+        if (rootPagerAdapter == null) {
+            return null;
+        }
+        RootPageViewHolder holder = rootPagerAdapter.findHolder(activeTab);
+        return holder == null ? null : holder.listAdapter;
+    }
+
    private static int indexForTab(String tab) {
        switch (tab) {
            case "devices":
@@ -1224,8 +1268,10 @@ public class MainActivity extends AppCompatActivity {
    private static final class RootPageViewHolder extends RecyclerView.ViewHolder {
        final String tab;
        final SwipeRefreshLayout refresh;
+        final RecyclerView list;
        final ScrollView scroll;
        final LinearLayout content;
+        final RootListAdapter listAdapter;

        static RootPageViewHolder create(LayoutInflater inflater, ViewGroup parent, String tab) {
            View view = inflater.inflate(R.layout.view_root_tab_page, parent, false);
@@ -1236,8 +1282,61 @@ public class MainActivity extends AppCompatActivity {
            super(itemView);
            this.tab = tab;
            this.refresh = itemView.findViewById(R.id.root_page_refresh);
+            this.list = itemView.findViewById(R.id.root_page_list);
            this.scroll = itemView.findViewById(R.id.root_page_scroll);
            this.content = itemView.findViewById(R.id.root_page_content);
+            this.list.setLayoutManager(new LinearLayoutManager(itemView.getContext()));
+            this.listAdapter = new RootListAdapter();
+            this.list.setAdapter(listAdapter);
+        }
+    }
+
+    private interface RootListItem {
+        View build();
+    }
+
+    private static final class RootListViewHolder extends RecyclerView.ViewHolder {
+        final FrameLayout container;
+
+        RootListViewHolder(FrameLayout container) {
+            super(container);
+            this.container = container;
+        }
+    }
+
+    private static final class RootListAdapter extends RecyclerView.Adapter<RootListViewHolder> {
+        private List<RootListItem> items = new ArrayList<>();
+
+        @Override
+        public int getItemCount() {
+            return items.size();
+        }
+
+        @Override
+        public RootListViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            FrameLayout container = new FrameLayout(parent.getContext());
+            RecyclerView.LayoutParams params = new RecyclerView.LayoutParams(
+                    RecyclerView.LayoutParams.MATCH_PARENT,
+                    RecyclerView.LayoutParams.WRAP_CONTENT
+            );
+            container.setLayoutParams(params);
+            return new RootListViewHolder(container);
+        }
+
+        @Override
+        public void onBindViewHolder(RootListViewHolder holder, int position) {
+            holder.container.removeAllViews();
+            View child = items.get(position).build();
+            ViewParent parent = child.getParent();
+            if (parent instanceof ViewGroup) {
+                ((ViewGroup) parent).removeView(child);
+            }
+            holder.container.addView(child);
+        }
+
+        void submit(List<RootListItem> nextItems) {
+            items = new ArrayList<>(nextItems);
+            notifyDataSetChanged();
        }
    }
 }
--- a/android/app/src/main/res/layout/view_root_tab_page.xml
+++ b/android/app/src/main/res/layout/view_root_tab_page.xml
@@ -4,21 +4,37 @@
    android:layout_width="match_parent"
    android:layout_height="match_parent">

-    <ScrollView
-        android:id="@+id/root_page_scroll"
+    <FrameLayout
        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:fillViewport="true">
+        android:layout_height="match_parent">

-        <LinearLayout
-            android:id="@+id/root_page_content"
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/root_page_list"
            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
+            android:layout_height="match_parent"
            android:background="@color/boss_bg_app"
-            android:orientation="vertical"
+            android:clipToPadding="false"
            android:paddingTop="12dp"
-            android:paddingLeft="0dp"
-            android:paddingRight="0dp"
-            android:paddingBottom="88dp" />
-    </ScrollView>
+            android:paddingBottom="88dp"
+            android:scrollbars="vertical" />
+
+        <ScrollView
+            android:id="@+id/root_page_scroll"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:fillViewport="true"
+            android:visibility="gone">
+
+            <LinearLayout
+                android:id="@+id/root_page_content"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="@color/boss_bg_app"
+                android:orientation="vertical"
+                android:paddingTop="12dp"
+                android:paddingLeft="0dp"
+                android:paddingRight="0dp"
+                android:paddingBottom="88dp" />
+        </ScrollView>
+    </FrameLayout>
 </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>