更新VOD对话框逻辑，支持从文件选择器获取播放源，优化播放启动流程

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

@@ -4,6 +4,7 @@ import android.app.Dialog
 import android.content.Intent
 import android.graphics.Rect
 import android.graphics.Typeface
+import android.net.Uri
 import android.os.Bundle
 import android.util.TypedValue
 import android.view.Gravity
@@ -65,12 +66,14 @@ class FeatureHubActivity : AppCompatActivity() {
 
     private val uiScope = CoroutineScope(SupervisorJob() + Dispatchers.Main.immediate)
 
-    /** VOD 对话框中的输入框引用，用于文件选择器回填 */
-    private var pendingVodUrlInput: android.widget.EditText? = null
+    /** 当前打开的 VOD 配置对话框，便于文件选择完成后直接进入播放页。 */
+    private var pendingVodDialog: Dialog? = null
     private val vodFilePicker = registerForActivityResult(
         ActivityResultContracts.GetContent()
     ) { uri ->
-        uri?.let { pendingVodUrlInput?.setText(it.toString()) }
+        if (uri == null) return@registerForActivityResult
+        pendingVodDialog?.dismiss()
+        startVodPlayback(uri.toString(), uri)
     }
 
     private lateinit var aliveAdapter: AliveStreamAdapter
@@ -486,8 +489,12 @@ class FeatureHubActivity : AppCompatActivity() {
         dialog.window?.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)
         dialog.setCancelable(true)
 
-        pendingVodUrlInput = dialogBinding.etVodUrl
-        dialog.setOnDismissListener { pendingVodUrlInput = null }
+        pendingVodDialog = dialog
+        dialog.setOnDismissListener {
+            if (pendingVodDialog === dialog) {
+                pendingVodDialog = null
+            }
+        }
 
         dialogBinding.btnClose.setOnClickListener { dialog.dismiss() }
         dialogBinding.btnStartVod.setOnClickListener {
@@ -497,14 +504,14 @@ class FeatureHubActivity : AppCompatActivity() {
                 return@setOnClickListener
             }
             dialog.dismiss()
-            startActivity(VodPlayActivity.createIntent(this, input))
+            startVodPlayback(input)
         }
         dialogBinding.btnPickLocalFile.setOnClickListener {
             vodFilePicker.launch("video/*")
         }
         dialogBinding.btnPlayAssetSample.setOnClickListener {
             dialog.dismiss()
-            startActivity(VodPlayActivity.createIntent(this, "asset:///vod/sample.mp4"))
+            startVodPlayback("asset:///vod/sample.mp4")
         }
 
         loadVodList(dialogBinding)
@@ -512,6 +519,10 @@ class FeatureHubActivity : AppCompatActivity() {
         dialog.show()
     }
 
+    private fun startVodPlayback(input: String, sourceUri: Uri? = null) {
+        startActivity(VodPlayActivity.createIntent(this, input, sourceUri))
+    }
+
     private fun loadVodList(dialogBinding: DialogVodInputBinding) {
         dialogBinding.pbVodListFull.isVisible = true
         dialogBinding.pbVodList.isVisible = true

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

@@ -119,6 +119,7 @@ class VodPlayActivity : AppCompatActivity() {
         })
 
         val url = intent.getStringExtra(EXTRA_VOD_URL)?.trim().orEmpty()
+            .ifEmpty { intent.dataString?.trim().orEmpty() }
         if (url.isEmpty()) {
             Toast.makeText(this, "请输入有效的播放地址", Toast.LENGTH_SHORT).show()
             finish()
@@ -653,9 +654,13 @@ class VodPlayActivity : AppCompatActivity() {
         private const val MAX_LOG_LINES = 200
         private const val SEEK_FORWARD_MS = 10_000L
 
-        fun createIntent(context: Context, url: String): Intent {
+        fun createIntent(context: Context, url: String, sourceUri: android.net.Uri? = null): Intent {
             return Intent(context, VodPlayActivity::class.java).apply {
                 putExtra(EXTRA_VOD_URL, url)
+                if (sourceUri != null) {
+                    data = sourceUri
+                    addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                }
             }
         }
     }