4.功能使用.md

@@ -1151,3 +1151,49 @@ DWMediaPlayer player = new DWMediaPlayer(boolen force);
   MarqueeInfo marqueeInfo = player.setCustomMarqueeData(JsonUtil.getLocalJson(this, "marquee.json"));  
   setMarqueeView(marqueeInfo);
 ```
+##  4.31 admin配置知识点  
+
+1.开发者可自行选择知识点的数据源，admin配置的相关数据或自定义数据源。  
+注：自定义数据源请保持demo中示例的json格式。  
+2.注册KnowledgeListener监听获取admin配置的数据源。
+//使用点播admin配置的知识点相关信息
+```
+            player.setKnowledgeListener(new KnowledgeListener() {
+                @Override
+                public void onKnowledge(final KnowledgeBean knowledgeBean) {
+                    SpeedPlayActivity.this.knowledgeBean = knowledgeBean;
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            sb_progress.setTimeAxisStatus(knowledgeBean.isTimeAxisStatus());
+                            if (!TextUtils.isEmpty(knowledgeBean.getTitle())) {
+                                tvKnowledge.setText(knowledgeBean.getTitle());
+                                tvKnowledge.setVisibility(View.VISIBLE);
+                            } else {
+                                tvKnowledge.setVisibility(View.GONE);
+                            }
+                        }
+                    });
+                }
+
+                @Override
+                public void onError(int errorCode, String errorMessage, String errorDetail) {
+                    tvKnowledge.setVisibility(View.GONE);
+                    Log.e(TAG, "onKnowledgeError,errorCode:" + errorCode + ",errorMessage:" + errorMessage + ",errorDetail:" + errorDetail);
+                }
+            });
+            
+            
+    //使用自定义数据源
+       String localJson = JsonUtil.getLocalJson(this, "knowledge.json");
+            this.knowledgeBean = new Gson().fromJson(localJson, KnowledgeBean.class);
+            if (knowledgeBean != null) {
+                if (!TextUtils.isEmpty(knowledgeBean.getTitle())) {
+                    tvKnowledge.setVisibility(View.VISIBLE);
+                    tvKnowledge.setText(knowledgeBean.getTitle());
+                } else {
+                    tvKnowledge.setVisibility(View.GONE);
+                }
+                sb_progress.setTimeAxisStatus(knowledgeBean.isTimeAxisStatus());
+            }
+```
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