主题：直播和作品按钮页面

android-app/app/src/main/AndroidManifest.xml

@@ -197,6 +197,11 @@
             android:name="com.example.livestreaming.UserProfileActivity"
             android:exported="false" />
 
+        <activity
+            android:name="com.example.livestreaming.PublishCenterActivity"
+            android:exported="false"
+            android:screenOrientation="portrait" />
+
         <activity
             android:name="com.example.livestreaming.WishTreeActivity"
             android:exported="false" />

android-app/app/src/main/java/com/example/livestreaming/MainActivity.java

@@ -609,7 +609,8 @@ public class MainActivity extends AppCompatActivity {
         binding.fabAddLive.setOnClickListener(new DebounceClickListener() {
             @Override
             public void onDebouncedClick(View v) {
-                showCreateRoomDialog();
+                // 跳转到发布中心页面
+                PublishCenterActivity.start(MainActivity.this);
             }
         });
 

android-app/app/src/main/java/com/example/livestreaming/ProfileActivity.java

@@ -539,7 +539,7 @@ public class ProfileActivity extends AppCompatActivity {
             if (!AuthHelper.requireLogin(this, "发布作品需要登录")) {
                 return;
             }
-            PublishWorkActivity.start(this);
+            PublishCenterActivity.start(this);
         });
         
         // 悬浮按钮（固定显示）
@@ -548,7 +548,7 @@ public class ProfileActivity extends AppCompatActivity {
             if (!AuthHelper.requireLogin(this, "发布作品需要登录")) {
                 return;
             }
-            PublishWorkActivity.start(this);
+            PublishCenterActivity.start(this);
         });
         binding.likedGoBrowseBtn.setOnClickListener(v -> startActivity(new Intent(this, MainActivity.class)));
         binding.favGoBrowseBtn.setOnClickListener(v -> startActivity(new Intent(this, MainActivity.class)));
@@ -578,7 +578,7 @@ public class ProfileActivity extends AppCompatActivity {
             if (!AuthHelper.requireLogin(this, "发布作品需要登录")) {
                 return;
             }
-            PublishWorkActivity.start(this);
+            PublishCenterActivity.start(this);
         });
         
         loadMyWorks();

android-app/app/src/main/java/com/example/livestreaming/PublishCenterActivity.java

@@ -0,0 +1,373 @@
+package com.example.livestreaming;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.net.Uri;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.Toast;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.bumptech.glide.Glide;
+import com.example.livestreaming.databinding.ActivityPublishCenterBinding;
+import com.example.livestreaming.net.ApiClient;
+import com.example.livestreaming.net.ApiResponse;
+import com.example.livestreaming.net.CategoryResponse;
+import com.example.livestreaming.net.CreateRoomRequest;
+import com.example.livestreaming.net.FileUploadResponse;
+import com.example.livestreaming.net.Room;
+import com.example.livestreaming.net.StreamUrls;
+import com.example.livestreaming.net.WorksRequest;
+import com.google.android.material.tabs.TabLayout;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import okhttp3.MediaType;
+import okhttp3.MultipartBody;
+import okhttp3.RequestBody;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
+public class PublishCenterActivity extends AppCompatActivity {
+
+    private ActivityPublishCenterBinding binding;
+    private int currentTab = 0;
+    private List<CategoryResponse> categoryList = new ArrayList<>();
+    private int selectedCategoryId = -1;
+    private Uri dynamicCoverUri = null;
+    private ActivityResultLauncher<Intent> imagePickerLauncher;
+
+    public static void start(Context context) {
+        context.startActivity(new Intent(context, PublishCenterActivity.class));
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (!AuthHelper.requireLogin(this, "发布内容需要登录")) {
+            finish();
+            return;
+        }
+        binding = ActivityPublishCenterBinding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+        setupImagePicker();
+        setupToolbar();
+        setupTabs();
+        setupClickListeners();
+        loadCategories();
+        showTab(0);
+    }
+
+    private void setupImagePicker() {
+        imagePickerLauncher = registerForActivityResult(
+            new ActivityResultContracts.StartActivityForResult(),
+            result -> {
+                if (result.getResultCode() == Activity.RESULT_OK && result.getData() != null) {
+                    Uri uri = result.getData().getData();
+                    if (uri != null) {
+                        dynamicCoverUri = uri;
+                        showDynamicCover(uri);
+                    }
+                }
+            }
+        );
+    }
+
+    private void setupToolbar() {
+        binding.btnBack.setOnClickListener(v -> finish());
+    }
+
+    private void setupTabs() {
+        binding.tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
+            @Override
+            public void onTabSelected(TabLayout.Tab tab) { showTab(tab.getPosition()); }
+            @Override
+            public void onTabUnselected(TabLayout.Tab tab) {}
+            @Override
+            public void onTabReselected(TabLayout.Tab tab) {}
+        });
+    }
+
+    private void setupClickListeners() {
+        binding.btnStartLive.setOnClickListener(v -> startMobileLive());
+        binding.btnPublishDynamic.setOnClickListener(v -> publishDynamic());
+        binding.dynamicCoverContainer.setOnClickListener(v -> pickDynamicCover());
+        binding.btnRemoveDynamicCover.setOnClickListener(v -> removeDynamicCover());
+        binding.btnPublishWork.setOnClickListener(v -> PublishWorkActivity.start(this));
+        binding.btnCopyStreamUrl.setOnClickListener(v -> copyToClipboard("推流地址", binding.tvStreamUrl.getText().toString()));
+        binding.btnCopyStreamKey.setOnClickListener(v -> copyToClipboard("推流码", binding.tvStreamKey.getText().toString()));
+        binding.btnGetStreamInfo.setOnClickListener(v -> createPcLiveRoom());
+    }
+
+    private void showTab(int position) {
+        currentTab = position;
+        binding.contentMobileLive.setVisibility(View.GONE);
+        binding.contentDynamic.setVisibility(View.GONE);
+        binding.contentWork.setVisibility(View.GONE);
+        binding.contentPcLive.setVisibility(View.GONE);
+        switch (position) {
+            case 0: binding.contentMobileLive.setVisibility(View.VISIBLE); break;
+            case 1: binding.contentDynamic.setVisibility(View.VISIBLE); break;
+            case 2: binding.contentWork.setVisibility(View.VISIBLE); break;
+            case 3: binding.contentPcLive.setVisibility(View.VISIBLE); break;
+        }
+    }
+
+    private void loadCategories() {
+        ApiClient.getService(this).getLiveRoomCategories().enqueue(new Callback<ApiResponse<List<CategoryResponse>>>() {
+            @Override
+            public void onResponse(Call<ApiResponse<List<CategoryResponse>>> call, Response<ApiResponse<List<CategoryResponse>>> response) {
+                if (response.isSuccessful() && response.body() != null && response.body().isOk()) {
+                    categoryList = response.body().getData();
+                    if (categoryList == null) categoryList = new ArrayList<>();
+                }
+                setupCategorySpinner();
+            }
+            @Override
+            public void onFailure(Call<ApiResponse<List<CategoryResponse>>> call, Throwable t) {
+                setupCategorySpinner();
+            }
+        });
+    }
+
+    private void setupCategorySpinner() {
+        List<String> names = new ArrayList<>();
+        names.add("请选择分类");
+        for (CategoryResponse cat : categoryList) names.add(cat.getName());
+        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, names);
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        binding.spinnerPcCategory.setAdapter(adapter);
+        binding.spinnerPcCategory.setOnItemSelectedListener(new android.widget.AdapterView.OnItemSelectedListener() {
+            @Override
+            public void onItemSelected(android.widget.AdapterView<?> parent, View view, int pos, long id) {
+                selectedCategoryId = (pos > 0 && pos <= categoryList.size()) ? categoryList.get(pos - 1).getId() : -1;
+            }
+            @Override
+            public void onNothingSelected(android.widget.AdapterView<?> parent) { selectedCategoryId = -1; }
+        });
+    }
+
+    private void startMobileLive() {
+        String title = binding.etLiveTitle.getText().toString().trim();
+        if (TextUtils.isEmpty(title)) title = "我的直播间";
+        Intent intent = new Intent(this, BroadcastActivity.class);
+        intent.putExtra("title", title);
+        startActivity(intent);
+        finish();
+    }
+
+    private void pickDynamicCover() {
+        Intent intent = new Intent(Intent.ACTION_PICK);
+        intent.setType("image/*");
+        imagePickerLauncher.launch(intent);
+    }
+
+    private void showDynamicCover(Uri uri) {
+        binding.ivDynamicCover.setVisibility(View.VISIBLE);
+        binding.dynamicCoverPlaceholder.setVisibility(View.GONE);
+        binding.btnRemoveDynamicCover.setVisibility(View.VISIBLE);
+        Glide.with(this).load(uri).centerCrop().into(binding.ivDynamicCover);
+    }
+
+    private void removeDynamicCover() {
+        dynamicCoverUri = null;
+        binding.ivDynamicCover.setVisibility(View.GONE);
+        binding.dynamicCoverPlaceholder.setVisibility(View.VISIBLE);
+        binding.btnRemoveDynamicCover.setVisibility(View.GONE);
+    }
+
+    private void publishDynamic() {
+        String content = binding.etDynamicContent.getText().toString().trim();
+        if (TextUtils.isEmpty(content)) {
+            Toast.makeText(this, "请输入动态内容", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        if (content.length() > 1000) {
+            Toast.makeText(this, "内容不能超过1000字", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        binding.btnPublishDynamic.setEnabled(false);
+        binding.btnPublishDynamic.setText("发布中...");
+        
+        if (dynamicCoverUri != null) {
+            // 用户选择了封面，上传后发布
+            uploadDynamicCoverAndPublish(content);
+        } else {
+            // 用户没选封面，使用特殊标记（纯文字动态）
+            // 使用 "text_only" 作为标记，在展示时识别为纯文字动态
+            doPublishDynamic(content, "text_only");
+        }
+    }
+
+    private void uploadDynamicCoverAndPublish(String content) {
+        try {
+            File file = uriToFile(dynamicCoverUri);
+            if (file == null) {
+                Toast.makeText(this, "无法读取图片", Toast.LENGTH_SHORT).show();
+                resetDynamicButton();
+                return;
+            }
+            RequestBody requestFile = RequestBody.create(MediaType.parse("image/*"), file);
+            MultipartBody.Part body = MultipartBody.Part.createFormData("file", file.getName(), requestFile);
+            RequestBody model = RequestBody.create(MediaType.parse("text/plain"), "work");
+            RequestBody pid = RequestBody.create(MediaType.parse("text/plain"), "0");
+            ApiClient.getService(this).uploadImage(body, model, pid).enqueue(new Callback<ApiResponse<FileUploadResponse>>() {
+                @Override
+                public void onResponse(Call<ApiResponse<FileUploadResponse>> call, Response<ApiResponse<FileUploadResponse>> response) {
+                    if (response.isSuccessful() && response.body() != null && response.body().isOk()) {
+                        FileUploadResponse data = response.body().getData();
+                        doPublishDynamic(content, data != null ? data.getUrl() : null);
+                    } else {
+                        resetDynamicButton();
+                        Toast.makeText(PublishCenterActivity.this, "封面上传失败", Toast.LENGTH_SHORT).show();
+                    }
+                }
+                @Override
+                public void onFailure(Call<ApiResponse<FileUploadResponse>> call, Throwable t) {
+                    resetDynamicButton();
+                    Toast.makeText(PublishCenterActivity.this, "网络错误", Toast.LENGTH_SHORT).show();
+                }
+            });
+        } catch (Exception e) {
+            resetDynamicButton();
+            Toast.makeText(this, "图片处理失败", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+    private void doPublishDynamic(String content, String coverUrl) {
+        WorksRequest request = new WorksRequest();
+        request.setTitle("");
+        request.setDescription(content);
+        request.setType("IMAGE");
+        request.setImageUrls(new ArrayList<>());
+        request.setCoverUrl(coverUrl != null ? coverUrl : "");
+        ApiClient.getService(this).publishWork(request).enqueue(new Callback<ApiResponse<Long>>() {
+            @Override
+            public void onResponse(Call<ApiResponse<Long>> call, Response<ApiResponse<Long>> response) {
+                resetDynamicButton();
+                if (response.isSuccessful() && response.body() != null && response.body().isOk()) {
+                    Toast.makeText(PublishCenterActivity.this, "动态发布成功", Toast.LENGTH_SHORT).show();
+                    binding.etDynamicContent.setText("");
+                    removeDynamicCover();
+                    finish();
+                } else {
+                    String msg = response.body() != null ? response.body().getMessage() : "发布失败";
+                    Toast.makeText(PublishCenterActivity.this, msg, Toast.LENGTH_SHORT).show();
+                }
+            }
+            @Override
+            public void onFailure(Call<ApiResponse<Long>> call, Throwable t) {
+                resetDynamicButton();
+                Toast.makeText(PublishCenterActivity.this, "网络错误", Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
+
+    private void resetDynamicButton() {
+        binding.btnPublishDynamic.setEnabled(true);
+        binding.btnPublishDynamic.setText("发布动态");
+    }
+
+    private File uriToFile(Uri uri) {
+        try {
+            InputStream is = getContentResolver().openInputStream(uri);
+            if (is == null) return null;
+            File file = new File(getCacheDir(), "temp_cover_" + System.currentTimeMillis() + ".jpg");
+            FileOutputStream os = new FileOutputStream(file);
+            byte[] buf = new byte[4096];
+            int len;
+            while ((len = is.read(buf)) != -1) os.write(buf, 0, len);
+            is.close();
+            os.close();
+            return file;
+        } catch (Exception e) {
+            return null;
+        }
+    }
+
+    private void createPcLiveRoom() {
+        String title = binding.etPcLiveTitle.getText().toString().trim();
+        if (TextUtils.isEmpty(title)) {
+            Toast.makeText(this, "请输入直播标题", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        if (selectedCategoryId <= 0) {
+            Toast.makeText(this, "请选择直播分类", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        binding.btnGetStreamInfo.setEnabled(false);
+        binding.btnGetStreamInfo.setText("创建中...");
+        binding.streamInfoLoading.setVisibility(View.VISIBLE);
+
+        // 获取当前用户昵称作为主播名称
+        String streamerName = com.example.livestreaming.net.AuthStore.getNickname(this);
+        if (TextUtils.isEmpty(streamerName)) {
+            streamerName = title; // 如果没有昵称，使用标题
+        }
+
+        CreateRoomRequest request = new CreateRoomRequest(title, streamerName, "pc");
+        request.setCategoryId(selectedCategoryId);
+
+        ApiClient.getService(this).createRoom(request).enqueue(new Callback<ApiResponse<Room>>() {
+            @Override
+            public void onResponse(Call<ApiResponse<Room>> call, Response<ApiResponse<Room>> response) {
+                binding.btnGetStreamInfo.setEnabled(true);
+                binding.btnGetStreamInfo.setText("创建直播间并获取推流信息");
+                binding.streamInfoLoading.setVisibility(View.GONE);
+                if (response.isSuccessful() && response.body() != null && response.body().isOk()) {
+                    Room room = response.body().getData();
+                    if (room != null) {
+                        showStreamInfo(room);
+                    } else {
+                        Toast.makeText(PublishCenterActivity.this, "创建成功但未获取到推流信息", Toast.LENGTH_SHORT).show();
+                    }
+                } else {
+                    String msg = response.body() != null ? response.body().getMessage() : "创建直播间失败";
+                    Toast.makeText(PublishCenterActivity.this, msg, Toast.LENGTH_SHORT).show();
+                }
+            }
+            @Override
+            public void onFailure(Call<ApiResponse<Room>> call, Throwable t) {
+                binding.btnGetStreamInfo.setEnabled(true);
+                binding.btnGetStreamInfo.setText("创建直播间并获取推流信息");
+                binding.streamInfoLoading.setVisibility(View.GONE);
+                Toast.makeText(PublishCenterActivity.this, "网络错误", Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
+
+    private void showStreamInfo(Room room) {
+        binding.streamInfoContent.setVisibility(View.VISIBLE);
+        String streamKey = room.getStreamKey();
+        StreamUrls streamUrls = room.getStreamUrls();
+        String pushUrl = (streamUrls != null && streamUrls.getRtmp() != null) ? streamUrls.getRtmp() : "";
+        binding.tvStreamUrl.setText(!TextUtils.isEmpty(pushUrl) ? pushUrl : "未获取到推流地址");
+        binding.tvStreamKey.setText(!TextUtils.isEmpty(streamKey) ? streamKey : "未获取到推流码");
+        Toast.makeText(this, "直播间创建成功！", Toast.LENGTH_SHORT).show();
+    }
+
+    private void copyToClipboard(String label, String text) {
+        if (TextUtils.isEmpty(text) || text.startsWith("未获取")) {
+            Toast.makeText(this, "内容为空", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
+        if (clipboard != null) {
+            clipboard.setPrimaryClip(ClipData.newPlainText(label, text));
+            Toast.makeText(this, label + "已复制", Toast.LENGTH_SHORT).show();
+        }
+    }
+}

android-app/app/src/main/java/com/example/livestreaming/WorksAdapter.java

@@ -59,7 +59,10 @@ public class WorksAdapter extends RecyclerView.Adapter<WorksAdapter.WorksViewHol
     }
 
     static class WorksViewHolder extends RecyclerView.ViewHolder {
+        private final View coverContainer;
+        private final View textContentContainer;
         private final ImageView coverImage;
+        private final TextView contentText;
         private final TextView titleText;
         private final TextView authorText;
         private final TextView likeCountText;
@@ -67,7 +70,10 @@ public class WorksAdapter extends RecyclerView.Adapter<WorksAdapter.WorksViewHol
 
         public WorksViewHolder(@NonNull View itemView) {
             super(itemView);
+            coverContainer = itemView.findViewById(R.id.coverContainer);
+            textContentContainer = itemView.findViewById(R.id.textContentContainer);
             coverImage = itemView.findViewById(R.id.worksCoverImage);
+            contentText = itemView.findViewById(R.id.worksContentText);
             titleText = itemView.findViewById(R.id.worksTitleText);
             authorText = itemView.findViewById(R.id.worksAuthorText);
             likeCountText = itemView.findViewById(R.id.worksLikeCountText);
@@ -82,18 +88,36 @@ public class WorksAdapter extends RecyclerView.Adapter<WorksAdapter.WorksViewHol
                     "title=" + works.getTitle() +
                     ", userName=" + works.getUserName() +
                     ", authorName=" + works.getAuthorName() +
-                    ", likeCount=" + works.getLikeCount());
+                    ", likeCount=" + works.getLikeCount() +
+                    ", coverUrl=" + works.getCoverUrl());
+
+            // 判断是否有有效封面（排除纯文字动态标记）
+            String coverUrl = works.getCoverUrl();
+            boolean hasValidCover = coverUrl != null && !coverUrl.isEmpty() 
+                    && !coverUrl.equals("text_only"); // 排除纯文字动态标记
+            
+            if (hasValidCover) {
+                // 有封面：显示封面图片
+                coverContainer.setVisibility(View.VISIBLE);
+                textContentContainer.setVisibility(View.GONE);
                 
-            // 设置封面图片
-            if (works.getCoverUrl() != null && !works.getCoverUrl().isEmpty()) {
                 Glide.with(itemView.getContext())
-                        .load(works.getCoverUrl())
+                        .load(coverUrl)
                         .centerCrop()
                         .placeholder(R.drawable.bg_cover_placeholder)
                         .error(R.drawable.bg_cover_placeholder)
                         .into(coverImage);
             } else {
-                coverImage.setImageResource(R.drawable.bg_cover_placeholder);
+                // 无封面：显示文字内容
+                coverContainer.setVisibility(View.GONE);
+                textContentContainer.setVisibility(View.VISIBLE);
+                
+                String content = works.getDescription();
+                if (content != null && !content.isEmpty()) {
+                    contentText.setText(content);
+                } else {
+                    contentText.setText("暂无内容");
+                }
             }
 
             // 设置标题

android-app/app/src/main/res/drawable/bg_dashed_border.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
-    <corners android:radius="8dp" />
     <stroke
         android:width="1dp"
         android:color="#CCCCCC"
         android:dashWidth="4dp"
         android:dashGap="2dp" />
+    <corners android:radius="8dp" />
     <solid android:color="#F5F5F5" />
 </shape>

android-app/app/src/main/res/drawable/bg_spinner.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <stroke
+        android:width="1dp"
+        android:color="#DDDDDD" />
+    <corners android:radius="8dp" />
+    <solid android:color="#FFFFFF" />
+</shape>

android-app/app/src/main/res/drawable/ic_close_circle_24.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FF4757"
+        android:pathData="M12,2C6.47,2 2,6.47 2,12s4.47,10 10,10 10,-4.47 10,-10S17.53,2 12,2zM17,15.59L15.59,17 12,13.41 8.41,17 7,15.59 10.59,12 7,8.41 8.41,7 12,10.59 15.59,7 17,8.41 13.41,12 17,15.59z"/>
+</vector>

android-app/app/src/main/res/layout/activity_publish_center.xml

@@ -0,0 +1,494 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/white">
+
+    <LinearLayout
+        android:id="@+id/topBar"
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:orientation="horizontal"
+        android:gravity="center_vertical"
+        android:paddingHorizontal="16dp"
+        android:background="@color/white"
+        android:elevation="2dp">
+
+        <ImageView
+            android:id="@+id/btnBack"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:src="@drawable/ic_close_24"
+            android:contentDescription="关闭"
+            app:tint="#333333" />
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:layout_marginStart="16dp"
+            android:text="发布"
+            android:textSize="18sp"
+            android:textColor="#333333"
+            android:textStyle="bold" />
+
+    </LinearLayout>
+
+    <com.google.android.material.tabs.TabLayout
+        android:id="@+id/tabLayout"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:layout_marginTop="56dp"
+        android:background="@color/white"
+        app:tabMode="fixed"
+        app:tabGravity="fill"
+        app:tabIndicatorColor="#FF4757"
+        app:tabIndicatorHeight="3dp"
+        app:tabSelectedTextColor="#FF4757"
+        app:tabTextColor="#666666"
+        app:tabRippleColor="@android:color/transparent">
+
+        <com.google.android.material.tabs.TabItem
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="手机开播" />
+
+        <com.google.android.material.tabs.TabItem
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="发布动态" />
+
+        <com.google.android.material.tabs.TabItem
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="发布作品" />
+
+        <com.google.android.material.tabs.TabItem
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="电脑开播" />
+
+    </com.google.android.material.tabs.TabLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="104dp">
+
+        <!-- 手机开播 -->
+        <ScrollView
+            android:id="@+id/contentMobileLive"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="visible">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="20dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="手机开播"
+                    android:textSize="20sp"
+                    android:textColor="#333333"
+                    android:textStyle="bold" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dp"
+                    android:text="使用手机摄像头进行直播"
+                    android:textSize="14sp"
+                    android:textColor="#999999" />
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="24dp"
+                    android:hint="直播标题"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/etLiveTitle"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:inputType="text"
+                        android:maxLength="30" />
+
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/btnStartLive"
+                    android:layout_width="match_parent"
+                    android:layout_height="52dp"
+                    android:layout_marginTop="32dp"
+                    android:text="开始直播"
+                    android:textSize="16sp"
+                    app:backgroundTint="#FF4757"
+                    app:cornerRadius="26dp" />
+
+            </LinearLayout>
+
+        </ScrollView>
+
+        <!-- 发布动态 -->
+        <ScrollView
+            android:id="@+id/contentDynamic"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="gone">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="20dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="发布动态"
+                    android:textSize="20sp"
+                    android:textColor="#333333"
+                    android:textStyle="bold" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dp"
+                    android:text="快速发布文字动态，可选择添加封面图片"
+                    android:textSize="14sp"
+                    android:textColor="#999999" />
+
+                <com.google.android.material.textfield.TextInputLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="24dp"
+                    android:hint="说点什么..."
+                    app:counterEnabled="true"
+                    app:counterMaxLength="1000"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/etDynamicContent"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:inputType="textMultiLine"
+                        android:minLines="5"
+                        android:gravity="top"
+                        android:maxLength="1000" />
+
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <!-- 封面图片选择（可选） -->
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="20dp"
+                    android:text="封面图片（可选）"
+                    android:textSize="14sp"
+                    android:textColor="#666666" />
+
+                <FrameLayout
+                    android:id="@+id/dynamicCoverContainer"
+                    android:layout_width="120dp"
+                    android:layout_height="120dp"
+                    android:layout_marginTop="8dp"
+                    android:background="@drawable/bg_dashed_border"
+                    android:clickable="true"
+                    android:focusable="true">
+
+                    <ImageView
+                        android:id="@+id/ivDynamicCover"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:scaleType="centerCrop"
+                        android:visibility="gone" />
+
+                    <LinearLayout
+                        android:id="@+id/dynamicCoverPlaceholder"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:orientation="vertical"
+                        android:gravity="center">
+
+                        <ImageView
+                            android:layout_width="32dp"
+                            android:layout_height="32dp"
+                            android:src="@drawable/ic_add_photo_24"
+                            app:tint="#999999" />
+
+                        <TextView
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:layout_marginTop="4dp"
+                            android:text="添加封面"
+                            android:textSize="12sp"
+                            android:textColor="#999999" />
+
+                    </LinearLayout>
+
+                    <ImageView
+                        android:id="@+id/btnRemoveDynamicCover"
+                        android:layout_width="24dp"
+                        android:layout_height="24dp"
+                        android:layout_gravity="top|end"
+                        android:layout_margin="4dp"
+                        android:src="@drawable/ic_close_circle_24"
+                        android:visibility="gone"
+                        android:contentDescription="移除封面" />
+
+                </FrameLayout>
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/btnPublishDynamic"
+                    android:layout_width="match_parent"
+                    android:layout_height="52dp"
+                    android:layout_marginTop="32dp"
+                    android:text="发布动态"
+                    android:textSize="16sp"
+                    app:backgroundTint="#FF4757"
+                    app:cornerRadius="26dp" />
+
+            </LinearLayout>
+
+        </ScrollView>
+
+        <!-- 发布作品 -->
+        <ScrollView
+            android:id="@+id/contentWork"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="gone">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="20dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="发布作品"
+                    android:textSize="20sp"
+                    android:textColor="#333333"
+                    android:textStyle="bold" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dp"
+                    android:text="发布图片或视频作品，支持添加标题、描述等"
+                    android:textSize="14sp"
+                    android:textColor="#999999" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/btnPublishWork"
+                    android:layout_width="match_parent"
+                    android:layout_height="52dp"
+                    android:layout_marginTop="32dp"
+                    android:text="去发布作品"
+                    android:textSize="16sp"
+                    app:backgroundTint="#FF4757"
+                    app:cornerRadius="26dp" />
+
+            </LinearLayout>
+
+        </ScrollView>
+
+        <!-- 电脑开播 -->
+        <ScrollView
+            android:id="@+id/contentPcLive"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:visibility="gone">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="20dp">
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="电脑开播"
+                    android:textSize="20sp"
+                    android:textColor="#333333"
+                    android:textStyle="bold" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dp"
+                    android:text="使用OBS等推流软件进行直播"
+                    android:textSize="14sp"
+                    android:textColor="#999999" />
+
+                <!-- 直播标题 -->
+                <com.google.android.material.textfield.TextInputLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="24dp"
+                    android:hint="直播标题"
+                    style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/etPcLiveTitle"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:inputType="text"
+                        android:maxLength="30" />
+
+                </com.google.android.material.textfield.TextInputLayout>
+
+                <!-- 分类选择 -->
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="16dp"
+                    android:text="选择分类"
+                    android:textSize="14sp"
+                    android:textColor="#666666" />
+
+                <Spinner
+                    android:id="@+id/spinnerPcCategory"
+                    android:layout_width="match_parent"
+                    android:layout_height="48dp"
+                    android:layout_marginTop="8dp"
+                    android:background="@drawable/bg_spinner"
+                    android:paddingHorizontal="12dp" />
+
+                <ProgressBar
+                    android:id="@+id/streamInfoLoading"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center"
+                    android:layout_marginTop="24dp"
+                    android:visibility="gone" />
+
+                <LinearLayout
+                    android:id="@+id/streamInfoContent"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical"
+                    android:layout_marginTop="24dp"
+                    android:visibility="gone">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="推流地址"
+                        android:textSize="14sp"
+                        android:textColor="#666666" />
+
+                    <LinearLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:orientation="horizontal"
+                        android:background="@drawable/bg_edit_text"
+                        android:padding="12dp">
+
+                        <TextView
+                            android:id="@+id/tvStreamUrl"
+                            android:layout_width="0dp"
+                            android:layout_height="wrap_content"
+                            android:layout_weight="1"
+                            android:text=""
+                            android:textSize="13sp"
+                            android:textColor="#333333"
+                            android:maxLines="2"
+                            android:ellipsize="end" />
+
+                        <ImageView
+                            android:id="@+id/btnCopyStreamUrl"
+                            android:layout_width="24dp"
+                            android:layout_height="24dp"
+                            android:layout_marginStart="8dp"
+                            android:src="@drawable/ic_copy_24"
+                            android:contentDescription="复制"
+                            app:tint="#666666" />
+
+                    </LinearLayout>
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="16dp"
+                        android:text="推流码"
+                        android:textSize="14sp"
+                        android:textColor="#666666" />
+
+                    <LinearLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="8dp"
+                        android:orientation="horizontal"
+                        android:background="@drawable/bg_edit_text"
+                        android:padding="12dp">
+
+                        <TextView
+                            android:id="@+id/tvStreamKey"
+                            android:layout_width="0dp"
+                            android:layout_height="wrap_content"
+                            android:layout_weight="1"
+                            android:text=""
+                            android:textSize="13sp"
+                            android:textColor="#333333"
+                            android:maxLines="2"
+                            android:ellipsize="end" />
+
+                        <ImageView
+                            android:id="@+id/btnCopyStreamKey"
+                            android:layout_width="24dp"
+                            android:layout_height="24dp"
+                            android:layout_marginStart="8dp"
+                            android:src="@drawable/ic_copy_24"
+                            android:contentDescription="复制"
+                            app:tint="#666666" />
+
+                    </LinearLayout>
+
+                </LinearLayout>
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/btnGetStreamInfo"
+                    android:layout_width="match_parent"
+                    android:layout_height="48dp"
+                    android:layout_marginTop="24dp"
+                    android:text="创建直播间并获取推流信息"
+                    android:textSize="14sp"
+                    app:backgroundTint="#FF4757"
+                    app:cornerRadius="24dp" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="24dp"
+                    android:text="使用说明"
+                    android:textSize="14sp"
+                    android:textColor="#333333"
+                    android:textStyle="bold" />
+
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dp"
+                    android:text="1. 填写直播标题并选择分类\n2. 点击按钮创建直播间获取推流信息\n3. 下载并安装OBS Studio\n4. 打开OBS，点击设置 - 推流\n5. 服务选择自定义\n6. 将上方的推流地址和推流码填入\n7. 点击开始推流即可"
+                    android:textSize="13sp"
+                    android:textColor="#666666"
+                    android:lineSpacingExtra="4dp" />
+
+            </LinearLayout>
+
+        </ScrollView>
+
+    </FrameLayout>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

android-app/app/src/main/res/layout/item_works.xml

@@ -12,8 +12,9 @@
         android:layout_height="wrap_content"
         android:orientation="vertical">
 
-        <!-- 封面图片 -->
+        <!-- 封面图片区域 -->
         <FrameLayout
+            android:id="@+id/coverContainer"
             android:layout_width="match_parent"
             android:layout_height="240dp">
 
@@ -49,6 +50,29 @@
 
         </FrameLayout>
 
+        <!-- 纯文字动态区域（无封面时显示） -->
+        <LinearLayout
+            android:id="@+id/textContentContainer"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:minHeight="120dp"
+            android:orientation="vertical"
+            android:padding="12dp"
+            android:background="#F8F8F8"
+            android:visibility="gone">
+
+            <TextView
+                android:id="@+id/worksContentText"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:textSize="15sp"
+                android:textColor="#333333"
+                android:lineSpacingExtra="4dp"
+                android:maxLines="6"
+                android:ellipsize="end" />
+
+        </LinearLayout>
+
         <!-- 作品信息 -->
         <LinearLayout
             android:layout_width="match_parent"