有百度地图的教程，还有百度地图API案例，非常适合新手学习

使用Fragment实现仿微信界面的实现

Android蓝牙开发搜索、配对设备、蓝牙通信，蓝牙聊天室

android小程序，关于卫生随机生成器，内有卫生随机分配、宿舍成员费用、应用小说明的功能。

android4.4DhcpInfoInternal.java

QGISPythonProgrammingCookbook-SecondEditionbyJoelLawheadEnglish|14Mar.2017|ASIN:B01MRP7T3B|464Pages|AZW3|9.26MBMasterover170recipesthatwillhelpyouturnQGISfromadesktopGIStoolintoapowerfulautomatedgeospatialframeworkAboutThisBookDelveintotheundocumentedfeaturesoftheQGISAPIGetasetofuser-friendlyrecipesthatcanautomateentiregeospatialworkflowsbyconnectingPythonGISbuildingblocksintocomprehensiveprocessesThisbookhasacompletecodeupgradetoQGIS2.18and30new,valuablerecipesWhoThisBookIsForThisbookisforgeospatialanalystswhowanttolearnmoreaboutautomatingeverydayGIStasksaswellasprogrammersresponsibleforbuildingGISapplications.Theshort,reusablerecipesmakeconceptseasytounderstandandcombinesoyoucanbuildlargerapplicationsthatareeasytomaintain.WhatYouWillLearnUsePythonandQGIStoproducecaptivatingGISvisualizationsandbuildcomplexmaplayoutsFindouthowtoeffectivelyusethepoorly-documentedandundocumentedfeaturesoftheQGISPythonAPIAutomateentiregeospatialworkflowsbyconnectingPythonGISbuildingblocksintocomprehensiveprocessesCreate,import,andeditgeospatialdataondiskorin-memoryChangeQGISsettingsprogrammaticallytocontroldefaultbehaviorAutomaticallygeneratePDFmapbooksBuilddynamicformsforfieldinputInDetailQGISisadesktopgeographicinformationsystemthatfacilitatesdataviewing,editing,andanalysis.Pairedwiththemostefficientscriptinglanguage—Python,wecanwriteeffectivescriptsthatextendthecorefunctionalityofQGIS.BasedonversionQGIS2.18,thisbookwillteachyouhowtowritePythoncodethatworkswithspatialdatatoautomategeoprocessingtasksinQGIS.Itwillcovertopicssuchasqueryingandeditingvectordataandusingrasterdata.Youwillalsolearntocreate,edit,andoptimizeavectorlayerforfasterqueries,reprojectavectorlayer,reducethenumberofverticesinavectorlayerwithoutlosingcriticaldata,andconvertarastertoavector.Followingthis,youwillworkthroughrecipesthatwillhelpyoucomposestaticmaps,createheavilycustomizedmaps,andaddspecializedlabelsandannotations.Aswellasthis,we'llalsoshareafewtipsandtricksbasedondifferentaspectsofQGIS.StyleandapproachThisbookfollowsarecipe-basedproblem-solutionapproachtoaddressanddispelchallengesfacedwhenimplementingandusingQGISonaregularbasis.

http://blog.csdn.net/zhoumushui

sqlite数据库和excel的互相导入导出

文件管理器app源码,放在这里供android初学者学习，希望不要用于非法用途。

android-support-v7-recyclerviewandroid-support-v7-recyclerviewandroid-support-v7-recyclerview