参数说明:Context:thisappPkg:app的apk包名AbilityName:app启动类路径url:app下载网页1、判断设备上是否安装该应用booleanisAppExist(Contextcontext,StringappPkg){try{IBundleManagermanagercontext.getBundleManager();returnmanager.isApplicationEnabled(appPkg);}catch(IllegalArgumentExceptione){returnfalse;}}2、如果已经下载则打开apppublicvoidlaunchAppDetail(StringappPkg.StringAbilityName){Intentintentnew...