集成热更，热更逻辑编写

app/src/main/java/com/gh/gamecenter/MainActivity.java

@@ -436,6 +436,60 @@ public class MainActivity extends BaseFragmentActivity implements
 				DataCollectionManager.upsert(MainActivity.this, "user", map);
 			}
 		}, 1000);
+
+		//检查是否存在更新的dex包
+//		checkHotfix();
+	}
+
+	private void checkHotfix() {
+        String version = PackageUtils.getVersion(getApplicationContext());
+        String TD_CHANNEL_ID = (String) PackageUtils.getMetaData(this, getPackageName(), "TD_CHANNEL_ID");
+        String url = "http://api.ghzhushou.com/v1d45/hotfix?channel=" + TD_CHANNEL_ID + "&version=" + version;
+		JsonArrayExtendedRequest request = new JsonArrayExtendedRequest(url, new Response.Listener<JSONArray>() {
+            @Override
+            public void onResponse(JSONArray response) {
+                Utils.log("hotfix = " + response.toString());
+                try {
+                    for (int i = 0; i < response.length(); i++) {
+                        JSONObject jsonObject = response.getJSONObject(i);
+                        String clazz = jsonObject.getString("class");
+                        final String url = jsonObject.getString("url");
+                        String fileName = url.substring(url.lastIndexOf("/"));
+                        File directory = new File(getFilesDir().getAbsolutePath() + File.separator + "hotfix");
+                        if (!directory.exists() || !directory.isDirectory()) {
+                            directory.mkdirs();
+                        }
+                        File file = new File(directory.getAbsolutePath() + File.separator + fileName);
+                        if (file.exists()) {
+                            break;
+                        }
+                        //下载文件
+                        final String savePath = file.getAbsolutePath();
+                        new Thread(){
+                            @Override
+                            public void run() {
+                                try {
+                                    FileUtils.downloadFile(url, savePath);
+                                } catch (IOException e) {
+                                    e.printStackTrace();
+                                }
+                                Utils.log(savePath + " download success");
+                            }
+                        }.start();
+                        //存储class
+                        sp.edit().putString(file.getName(),clazz).apply();
+                    }
+                } catch (JSONException e) {
+                    e.printStackTrace();
+                }
+            }
+        }, new Response.ErrorListener() {
+            @Override
+            public void onErrorResponse(VolleyError error) {
+                Utils.log("hotfix = " + error.toString());
+            }
+        });
+        AppController.addToRequestQueue(request, MainActivity.class);
 	}
 
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