# PreloadState (/zh-CN/api-reference/rtc/android/class-preloadstate-android)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="class_preloadstate_android__prototype"></a>

```java
class PreloadState {
    public static final int PRELOAD_STATE_COMPLETED = 0;
    public static final int PRELOAD_STATE_FAILED = 1;
    public static final int PRELOAD_STATE_PRELOADING = 2;
    public static final int PRELOAD_STATE_REMOVED = 3;
  }
```

<a id="class_preloadstate_android__parameters"></a>

## 属性 [#属性]

<ParameterList>
<a id="preload_state_completed"></a>
<Parameter name="PRELOAD_STATE_COMPLETED">

0：音乐资源加载完成。

</Parameter>
<a id="preload_state_failed"></a>
<Parameter name="PRELOAD_STATE_FAILED">

1：音乐资源加载失败。

</Parameter>
<a id="preload_state_preloading"></a>
<Parameter name="PRELOAD_STATE_PRELOADING">

2：音乐资源加载中。

</Parameter>
<a id="preload_state_removed"></a>
<Parameter name="PRELOAD_STATE_REMOVED">

3：已移除缓存的音乐资源。

</Parameter>
</ParameterList>