设置页面不能清除缓存的bug

WeiChat/src/main/java/com/xzjmyk/pm/activity/ui/me/SettingActivity.java

@@ -1,11 +1,13 @@
 package com.xzjmyk.pm.activity.ui.me;
 
+import android.annotation.TargetApi;
 import android.app.AlertDialog;
 import android.app.ProgressDialog;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
@@ -216,13 +218,17 @@ public class SettingActivity extends ActionBackActivity implements View.OnClickL
                     }
                 }).create().show();
     }
+    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
     private void clearCache() {
         String filePath = MyApplication.getInstance().mAppDir;
         //删除文件
         VideoFileDao.getInstance().deleteAllVideoFile(
                 VideoFileDao.getInstance().getVideoFiles(
                         MyApplication.getInstance().mLoginUser.getUserId()));
-        new ClearCacheAsyncTaska(filePath).execute(true);
+        if (Build.VERSION.SDK_INT >= 11)
+            new ClearCacheAsyncTaska(filePath).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR,true);
+        else
+            new ClearCacheAsyncTaska(filePath).execute(true);
     }
 
     private class ClearCacheAsyncTaska extends AsyncTask<Boolean, String, Integer> {