ativar javascript android

To facilitate interaction between webpages and Android applications, the android system provides a mechanism for JavaScript webpage scripts in webview to call Java methods. You only need to call the addjavascriptinterface method to map a Java object to a JavaScript Object. 1. Map the Java object to the

To facilitate interaction between Web pages and Android apps, the Android system provides a mechanism for invoking Java class methods in WebView JavaScript Web scripts. You can map a Java object to a JavaScript object as long as you call the Addjavascriptinterface method. 1. Mapping Java objects to

With the return of Steve Jobs and the release of iPad2, it seems that mobile development is becoming increasingly popular. This section describes how to detect the Android system, the biggest competitor to iOS. JavaScript Judgment Method Searching for Android words in the user agent string is the most convenient method: if(navigator.userAgent.match(/

1. Preface In "using PhoneGap + jQueryMobile to develop Android Application Instances", we will discuss how to build a PhoneGap (Cordova) development environment, and how to integrate a basic Android Application Framework (with sample code ). As a result, we began to work day and night to build our first mobile phone application. But in fact, apart from common API calling specifications (with only one self-

var browser={versions:function () {var u=navigator.useragent, app = Navigator.appversion; return {//Mobile terminal browser version information Trident:u.indexof (' Trident ') >-1,//ie kernel presto:u.indexof (' presto ') >-1,//oper A core webkit:u.indexof (' AppleWebKit ') >-1,//Apple, Google kernel gecko:u.indexof (' Gecko ') >-1 u.indexof (' Khtml ') = =-1,//Firefox core mobile:!! U.match (/applewebkit.*mobile.*/) | | !! U.match (/applewebkit/),//Whether for Mobile terminal iOS:!! U.match (/

Create Android app, build apk after compiling, unable to run after installation of phone, pop up the following error:JS ErrorReport Error Assets/egret-game/libs/core/egret/context/devices/nativedevicecontext.js:203:egret_ Native.isfileexists is not a functionClick on the Error box OK, black screenWhen the above error occurs, you can check if the core version is the same as the Android support version, is th

Android Development, in addition to the use of the original eco-development approach, can also be developed using Java+html+javascript hybrid development, which can save a lot of development time, but also to enable users of different devices to obtain the same user experience. OK, no more nonsense, first come to see what to do today.The main is to achieve a simple registration function, the first use of jq

The following section describes how Android and JavaScript call each other. In this way, the UI is much simpler to design, and the UI can also be designed to be cross-platform. Now there are a lot of front-end web app frameworks, such as sencha and jquery mobile. We believe that with the development of Web apps in the future, we can also use HTML to design an interface that is as beautiful as a local applic

In Android development, anonymous applications make development more flexible, while the abuse of anonymous classes makes programs messy and difficult to maintain. Programmers like to be lazy. We often see that an Activity class is full of anonymous classes, including Thread, Handler, Adapter, Listener, and final variables that pass data to anonymous classes, it makes people feel like they are not civilized. After all, Java is not

The previous article mainly explains how to call Java functions in Js. Address: http://blog.csdn.net/andyhuabing/article/details/7590481 This article uses JS and Java to call each other to solve the relationship between each other. First, describe the important code: Key code in Android: Webview. getsettings (). setjavascriptenabled (true ); Webview. addjavascriptinterface (object, "name"); // Add the object name = "name" to the object. If the objec

Javascript code injection to webview in Android can be implemented through webview. loadUrl ("javascript: xxx"), and then the Code following javascript is executed. However, when you need to inject an entire js file, it seems a little troublesome.However, to clarify the following ideas, the method is actually very simp

The toast in Android apps is primarily intended to prompt the user with the same intent as the alert () method in JavaScript, but the beauty is better than alert, and the effect of making a toast to Android in light applications is more of a native app experience.Purpose: Create a faux-Android toast effect on an HTML p

Close the sound, there is no good way, you can refer to the network of Practical Webview.reload ();@Overrideprotected void Onresume () {//TODO auto-generated method Stubmwebview.onresume (); if (CommonDialog! = null) {Comm Ondialog.dismiss ();} Super.onresume ();} @Overrideprotected void OnPause () {//TODO auto-generated method stubif (Islandport) {if (chromeclient! = null) {CHROMECLI Ent.onhidecustomview ();}} Mwebview.reload (); Mwebview.onpause (); Super.onpause ();}At the same time, must coo