添加预览图像过渡到首帧加载

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

@@ -207,16 +207,17 @@ class FeatureHubActivity : AppCompatActivity() {
             Toast.makeText(this, "播放地址缺失", Toast.LENGTH_SHORT).show()
             return
         }
-        startActivity(
-            LivePlayActivity.createIntentWithParams(
-                this,
-                liveMode,
-                params.vhost,
-                params.appName,
-                params.streamName,
-                autoStart = true
-            )
-        )
+        val intent = LivePlayActivity.createIntentWithParams(
+            this,
+            liveMode,
+            params.vhost,
+            params.appName,
+            params.streamName,
+            autoStart = true
+        ).apply {
+            item.previewImage?.let { putExtra(LivePlayActivity.EXTRA_PREVIEW_IMAGE_URL, it) }
+        }
+        startActivity(intent)
     }
 
     private fun resolvePlayMode(raw: String?): SellyLiveMode {

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

@@ -14,6 +14,18 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <ImageView
+        android:id="@+id/ivPreview"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:contentDescription="@null"
+        android:scaleType="centerCrop"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
     <ImageButton
         android:id="@+id/btnClose"
         android:layout_width="36dp"