添加在线资源加载功能，更新VOD对话框和相关逻辑，支持动态获取播放格式

example/src/main/java/com/demo/SellyCloudSDK/FeatureHubActivity.kt

@@ -3,11 +3,17 @@ package com.demo.SellyCloudSDK
 import android.app.Dialog
 import android.content.Intent
 import android.graphics.Rect
+import android.graphics.Typeface
 import android.os.Bundle
+import android.util.TypedValue
 import android.view.Gravity
 import android.view.View
 import android.view.ViewGroup
+import android.widget.GridLayout
+import android.widget.TextView
 import android.widget.Toast
+import androidx.core.content.ContextCompat
+import androidx.core.view.isVisible
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
 import androidx.recyclerview.widget.GridLayoutManager
@@ -34,6 +40,8 @@ import com.demo.SellyCloudSDK.live.square.AliveStreamItem
 import com.demo.SellyCloudSDK.live.square.isPkStream
 import com.demo.SellyCloudSDK.login.DemoLoginStore
 import com.demo.SellyCloudSDK.login.LoginActivity
+import com.demo.SellyCloudSDK.vod.VodListRepository
+import com.demo.SellyCloudSDK.vod.VodListResult
 import com.demo.SellyCloudSDK.vod.VodPlayActivity
 import com.sellycloud.sellycloudsdk.SellyLiveMode
 import kotlinx.coroutines.CoroutineScope
@@ -499,9 +507,96 @@ class FeatureHubActivity : AppCompatActivity() {
             startActivity(VodPlayActivity.createIntent(this, "asset:///vod/sample.mp4"))
         }
 
+        loadVodList(dialogBinding)
+
         dialog.show()
     }
 
+    private fun loadVodList(dialogBinding: DialogVodInputBinding) {
+        dialogBinding.pbVodListFull.isVisible = true
+        dialogBinding.pbVodList.isVisible = true
+        dialogBinding.tvVodListError.isVisible = false
+        dialogBinding.gridVodFormats.isVisible = false
+
+        uiScope.launch {
+            val result = VodListRepository.fetchVodList()
+            dialogBinding.pbVodListFull.isVisible = false
+            dialogBinding.pbVodList.isVisible = false
+
+            when (result) {
+                is VodListResult.Success -> {
+                    populateVodChips(dialogBinding, result.formats)
+                }
+                is VodListResult.Error -> {
+                    dialogBinding.tvVodListError.text = result.message
+                    dialogBinding.tvVodListError.isVisible = true
+                    dialogBinding.tvVodListError.setOnClickListener {
+                        loadVodList(dialogBinding)
+                    }
+                }
+            }
+        }
+    }
+
+    private fun populateVodChips(
+        dialogBinding: DialogVodInputBinding,
+        formats: Map<String, String>
+    ) {
+        val grid = dialogBinding.gridVodFormats
+        grid.removeAllViews()
+        grid.isVisible = true
+
+        val dp3 = TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP, 3f, resources.displayMetrics
+        ).toInt()
+        val chipHeightPx = TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP, 34f, resources.displayMetrics
+        ).toInt()
+
+        var selectedChip: TextView? = null
+
+        formats.entries.forEachIndexed { index, (format, url) ->
+            val chip = TextView(this).apply {
+                text = format
+                gravity = Gravity.CENTER
+                setTextSize(TypedValue.COMPLEX_UNIT_SP, 13f)
+                typeface = Typeface.DEFAULT_BOLD
+                setTextColor(ContextCompat.getColor(context, R.color.av_text_primary))
+                setBackgroundResource(R.drawable.selector_av_vod_chip)
+                isSelected = false
+            }
+
+            val row = index / 4
+            val col = index % 4
+            val param = GridLayout.LayoutParams(
+                GridLayout.spec(row, 1f),
+                GridLayout.spec(col, 1f)
+            ).apply {
+                width = 0
+                height = chipHeightPx
+                setMargins(
+                    if (col > 0) dp3 else 0,
+                    if (row > 0) dp3 else 0,
+                    0, 0
+                )
+            }
+
+            chip.setOnClickListener {
+                if (selectedChip == chip) return@setOnClickListener
+                selectedChip?.let { prev ->
+                    prev.isSelected = false
+                    prev.setTextColor(ContextCompat.getColor(this, R.color.av_text_primary))
+                }
+                chip.isSelected = true
+                chip.setTextColor(ContextCompat.getColor(this, R.color.brand_primary_text_on))
+                selectedChip = chip
+                dialogBinding.etVodUrl.setText(url)
+            }
+
+            grid.addView(chip, param)
+        }
+    }
+
     private fun setupSettingsSave() {
         binding.btnSaveSettings.setOnClickListener {
             val settings = uiToSettingsOrNull() ?: return@setOnClickListener

example/src/main/java/com/demo/SellyCloudSDK/vod/VodListRepository.kt

@@ -0,0 +1,51 @@
+package com.demo.SellyCloudSDK.vod
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import org.json.JSONObject
+
+private const val VOD_LIST_URL = "http://rtmp.sellycloud.io:8089/live/sdk/demo/vodlist"
+
+sealed class VodListResult {
+    data class Success(val formats: Map<String, String>) : VodListResult()
+    data class Error(val message: String) : VodListResult()
+}
+
+object VodListRepository {
+    private val client = OkHttpClient()
+
+    suspend fun fetchVodList(): VodListResult = withContext(Dispatchers.IO) {
+        val request = Request.Builder()
+            .url(VOD_LIST_URL)
+            .get()
+            .build()
+
+        try {
+            client.newCall(request).execute().use { response ->
+                val body = response.body?.string().orEmpty()
+                if (!response.isSuccessful) {
+                    return@withContext VodListResult.Error("网络错误: ${response.code}")
+                }
+                if (body.isBlank()) {
+                    return@withContext VodListResult.Error("服务返回为空")
+                }
+                val json = JSONObject(body)
+                val formats = linkedMapOf<String, String>()
+                val keys = json.keys()
+                while (keys.hasNext()) {
+                    val key = keys.next()
+                    val url = json.optString(key).takeIf { it.isNotBlank() } ?: continue
+                    formats[key.uppercase()] = url
+                }
+                if (formats.isEmpty()) {
+                    return@withContext VodListResult.Error("暂无在线资源")
+                }
+                return@withContext VodListResult.Success(formats)
+            }
+        } catch (e: Exception) {
+            return@withContext VodListResult.Error(e.message ?: "网络请求失败")
+        }
+    }
+}

example/src/main/res/drawable/bg_av_vod_chip_selected.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
+    <solid android:color="@color/brand_primary" />
+    <corners android:radius="@dimen/av_corner_small" />
+</shape>

example/src/main/res/drawable/selector_av_vod_chip.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/bg_av_vod_chip_selected" android:state_selected="true" />
+    <item android:drawable="@drawable/bg_av_vod_chip_selected" android:state_pressed="true" />
+    <item android:drawable="@drawable/bg_av_input_field" />
+</selector>

example/src/main/res/layout/dialog_vod_input.xml

@@ -17,78 +17,142 @@
         android:src="@drawable/ic_av_close"
         app:tint="@color/av_text_primary" />
 
-    <LinearLayout
-        android:id="@+id/card"
+    <ScrollView
         android:layout_width="320dp"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:background="@drawable/bg_av_dialog_card_gray"
-        android:orientation="vertical"
-        android:paddingStart="18dp"
-        android:paddingTop="16dp"
-        android:paddingEnd="18dp"
-        android:paddingBottom="18dp">
+        android:scrollbars="none">
 
-        <TextView
+        <LinearLayout
+            android:id="@+id/card"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:gravity="center"
-            android:text="@string/vod_config_title"
-            android:textColor="@color/av_text_primary"
-            android:textSize="18sp"
-            android:textStyle="bold" />
+            android:background="@drawable/bg_av_dialog_card_gray"
+            android:orientation="vertical"
+            android:paddingStart="18dp"
+            android:paddingTop="16dp"
+            android:paddingEnd="18dp"
+            android:paddingBottom="18dp">
 
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="14dp"
-            android:text="@string/vod_config_hint"
-            android:textColor="@color/av_text_secondary"
-            android:textSize="12sp" />
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:gravity="center"
+                android:text="@string/vod_config_title"
+                android:textColor="@color/av_text_primary"
+                android:textSize="18sp"
+                android:textStyle="bold" />
 
-        <EditText
-            android:id="@+id/etVodUrl"
-            android:layout_width="match_parent"
-            android:layout_height="@dimen/av_field_height"
-            android:layout_marginTop="8dp"
-            android:background="@drawable/bg_av_input_field"
-            android:importantForAutofill="no"
-            android:inputType="textUri"
-            android:paddingStart="12dp"
-            android:paddingEnd="12dp"
-            android:textColor="@color/av_text_primary"
-            android:textColorHint="@color/av_text_hint"
-            android:textSize="14sp" />
+            <TextView
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="14dp"
+                android:text="@string/vod_config_hint"
+                android:textColor="@color/av_text_secondary"
+                android:textSize="12sp" />
 
-        <Button
-            android:id="@+id/btnStartVod"
-            android:layout_width="match_parent"
-            android:layout_height="@dimen/av_primary_button_height"
-            android:layout_marginTop="18dp"
-            android:background="@drawable/selector_av_primary_button"
-            android:text="@string/play_start"
-            android:textColor="@color/brand_primary_text_on"
-            android:textSize="16sp"
-            android:textStyle="bold" />
+            <EditText
+                android:id="@+id/etVodUrl"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/av_field_height"
+                android:layout_marginTop="8dp"
+                android:background="@drawable/bg_av_input_field"
+                android:importantForAutofill="no"
+                android:inputType="textUri"
+                android:paddingStart="12dp"
+                android:paddingEnd="12dp"
+                android:textColor="@color/av_text_primary"
+                android:textColorHint="@color/av_text_hint"
+                android:textSize="14sp" />
 
-        <Button
-            android:id="@+id/btnPickLocalFile"
-            android:layout_width="match_parent"
-            android:layout_height="@dimen/av_primary_button_height"
-            android:layout_marginTop="8dp"
-            android:background="@drawable/bg_av_input_field"
-            android:text="@string/vod_pick_local_file"
-            android:textColor="@color/av_text_primary"
-            android:textSize="14sp" />
+            <!-- VOD Online Resources Section -->
+            <LinearLayout
+                android:id="@+id/vodListSection"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="12dp"
+                android:orientation="vertical">
 
-        <Button
-            android:id="@+id/btnPlayAssetSample"
-            android:layout_width="match_parent"
-            android:layout_height="@dimen/av_primary_button_height"
-            android:layout_marginTop="8dp"
-            android:background="@drawable/bg_av_input_field"
-            android:text="@string/vod_play_asset_sample"
-            android:textColor="@color/av_text_primary"
-            android:textSize="14sp" />
-    </LinearLayout>
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal">
+
+                    <TextView
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:text="@string/vod_online_resources"
+                        android:textColor="@color/av_text_secondary"
+                        android:textSize="12sp" />
+
+                    <ProgressBar
+                        android:id="@+id/pbVodList"
+                        style="?android:attr/progressBarStyleSmall"
+                        android:layout_width="16dp"
+                        android:layout_height="16dp"
+                        android:visibility="gone" />
+                </LinearLayout>
+
+                <ProgressBar
+                    android:id="@+id/pbVodListFull"
+                    style="?android:attr/progressBarStyle"
+                    android:layout_width="24dp"
+                    android:layout_height="24dp"
+                    android:layout_gravity="center"
+                    android:layout_marginTop="8dp"
+                    android:visibility="gone" />
+
+                <TextView
+                    android:id="@+id/tvVodListError"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dp"
+                    android:gravity="center"
+                    android:textColor="@color/av_stats_red"
+                    android:textSize="12sp"
+                    android:visibility="gone" />
+
+                <GridLayout
+                    android:id="@+id/gridVodFormats"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dp"
+                    android:columnCount="4"
+                    android:visibility="gone" />
+            </LinearLayout>
+
+            <Button
+                android:id="@+id/btnStartVod"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/av_primary_button_height"
+                android:layout_marginTop="18dp"
+                android:background="@drawable/selector_av_primary_button"
+                android:text="@string/play_start"
+                android:textColor="@color/brand_primary_text_on"
+                android:textSize="16sp"
+                android:textStyle="bold" />
+
+            <Button
+                android:id="@+id/btnPickLocalFile"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/av_primary_button_height"
+                android:layout_marginTop="8dp"
+                android:background="@drawable/bg_av_input_field"
+                android:text="@string/vod_pick_local_file"
+                android:textColor="@color/av_text_primary"
+                android:textSize="14sp" />
+
+            <Button
+                android:id="@+id/btnPlayAssetSample"
+                android:layout_width="match_parent"
+                android:layout_height="@dimen/av_primary_button_height"
+                android:layout_marginTop="8dp"
+                android:background="@drawable/bg_av_input_field"
+                android:text="@string/vod_play_asset_sample"
+                android:textColor="@color/av_text_primary"
+                android:textSize="14sp" />
+        </LinearLayout>
+    </ScrollView>
 </FrameLayout>

example/src/main/res/values/strings.xml

@@ -90,6 +90,10 @@
     <string name="vod_config_hint">请输入播放地址（URL、本地路径、asset:///...）</string>
     <string name="vod_pick_local_file">选择本地文件</string>
     <string name="vod_play_asset_sample">播放包内示例</string>
+    <string name="vod_online_resources">在线资源</string>
+    <string name="vod_list_loading">加载中…</string>
+    <string name="vod_list_error">加载失败，点击重试</string>
+    <string name="vod_list_empty">暂无在线资源</string>
 
     <string name="protocol_rtmp">RTMP</string>
     <string name="protocol_rtc">RTC</string>