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关于PhoneGap你应该知道的12件事 (12 things you should know...
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dong
March 02, 2012
Technology
410
2
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关于PhoneGap你应该知道的12件事 (12 things you should know about PhoneGap)
在w3ctech上的演讲稿,介绍了PhoneGap的基本概念,用法,打包,插件的开发,以Android为例介绍了PhoneGap的内部机制,以及如何调试PhoneGap应用。
dong
March 02, 2012
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Transcript
ܱႿ1IPOF(BQ֥ࡱ൙ Mark Dong ٦ Adobe Developer Evangelist weibo.com/donglongfei weibo.com/javascriptdev
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public class CirclesActivity extends DroidGap { @Override public void onCreate(Bundle
savedInstanceState) { super.onCreate(savedInstanceState); super.loadUrl("file:///android_asset/ www/circles.html"); } } /BUJWF8SBQQFSXJUI1IPOF(BQ Adobe 董龙飞 weibo.com/donglongfei weibo.com/javascriptdev
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public class callsPGPlugin extends Plugin { // List Actions public
static nal String ACTION="list"; @Override public PluginResult execute(String action, JSONArray data, String callbackId) { PluginResult result=null; if(ACTION.equals(action)){ CallLogAI callLogAI = new CallLogAI(ctx); JSONObject callsHistory=callLogAI.fetchCallLogs(null); Log.d("RESULT=", callsHistory.toString()); result=new PluginResult(Status.OK,callsHistory); }else{ result=new PluginResult(Status.INVALID_ACTION); Log.d("CallsPlugin","Invalidate action:" + action); } return result; } } Javaקᇅplugin Adobe 董龙飞 weibo.com/donglongfei weibo.com/javascriptdev
ᇿҨplugin <?xml version="1.0" encoding="UTF-8"?> <plugins> <plugin name="App" value="com.phonegap.App"/> <plugin name="Geolocation"
value="com.phonegap.GeoBroker"/> <plugin name="Device" value="com.phonegap.Device"/> …… <plugin name="Temperature" value="com.phonegap.TempListener"/> <plugin name="FileTransfer" value="com.phonegap.FileTransfer"/> <plugin name="Capture" value="com.phonegap.Capture"/> <plugin name="CallsHistoryPlugin" value="com.mark.phonegap.plugin.callsPGPlugin" /> </plugins> Adobe 董龙飞 weibo.com/donglongfei weibo.com/javascriptdev
In JavaScript Adobe 董龙飞 weibo.com/donglongfei weibo.com/javascriptdev
+BWBTDSJQUࢤ१ var CallsListing=function(){}; CallsListing.prototype.list=function(successCallback,failureCallback){ return PhoneGap.exec(successCallback, failureCallback, 'CallsHistoryPlugin', 'list',['test'] );
}; PhoneGap.addConstructor(function(){ PhoneGap.addPlugin("callsListing",new CallsListing); });
window.plugins.callsListing.list( function(r){printResult(r)}, function(e){console.log(e)} ); ႨᆀטႨplugin +BWBTDSJQUࢤ१
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window.plugins.callsListing.list( function(r){printResult(r)}, function(e){console.log(e)} ); CallsListing.prototype.list=function(success Callback,failureCallback){ return PhoneGap.exec(successCallback, failureCallback, 'CallsHistoryPlugin',
'list',['test’]); }; public class callsPGPlugin extends Plugin { // List Actions public static nal String ACTION="list"; @Override public PluginResult execute(String action, JSONArray data, String callbackId) { <plugin name="CallsHistoryPlugin" value="com.mark.phonegap.plugin.callsPGPlu gin" />
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CallsListing.prototype.list=function(successCallback,fai lureCallback){ return PhoneGap.exec(successCallback, failureCallback, 'CallsHistoryPlugin', 'list',['test’]); }; PhoneGap.exec =
function(success, fail, service, action, args) { … var r = prompt(JSON.stringify(args), "gap:"+JSON.stringify([service, action, callbackId, true])); … +BWBTDSJQU Adobe 董龙飞 weibo.com/donglongfei weibo.com/javascriptdev
Droidgap.java public boolean onJsPrompt(WebView view, String url, String message, String
defaultValue, JsPromptResult result) { …… String r = pluginManager.exec(service, action, callbackId, message, async); …… } Pluginmanager.java public String exec( nal String service, nal String action, nal String callbackId, nal String jsonArgs, nal boolean async) { …… cr = plugin.execute(action, args, callbackId); ctx.sendJavascript(cr.toErrorCallbackString(callbackId)); …… } +BWB
Pluginmanager.java ctx.sendJavascript(cr.toErrorCallbackString(callbackId)); $BMMCBDL4FSWFSKBWBğ9)3TFSWFS PhoneGap.Channel.join(function() { // Start listening for XHR
callbacks setTimeout(function() { if (PhoneGap.UsePolling) { PhoneGap.JSCallbackPolling(); } l +BWBTDSJQU +BWB
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+4֞/BUJWF֥๙ document.location = “gap://Class.method/args” /BUJWF֞+4֥๙ UIWebView.stringByEvaluatingJavaScriptFromString webView =[[UIWebView alloc] initWithFrame:webViewBounds];
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Mark Dong Developer Evangelist
[email protected]
weibo.com/donglongfei weibo.com/javascriptdev