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funnelbit
July 14, 2015
Technology
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webMessaging
funnelbit
July 14, 2015
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Transcript
"OESPJE.͔Βͷ 8FC.FTTBHJOH JEGVOOFMCJU
͜Μʹͪ w JEGVOOFMCJU w ଜɹྋ
+4ͱ+BWBͷ௨৴
ݱঢ়ͷ+4ͱͷ௨৴ +4ʹ͢ mWebView.loadUrl( "javascript:document.getElementById('content').innerHTML=\ "͜Μʹͪ\""); mWebView.evaluateJavascript( "var content = document.getElementById('content');"
+ "content.innerHTML = \"͜Μʹͪ\"" , null); w "1*-FWFMd
͜Ε·Ͱͷ+4ͱͷ௨৴ +4͔Βड͚औΔ mWebView.addJavascriptInterface(new JavaScriptInterface(), “Callback"); private class JavaScriptInterface { @JavascriptInterface
public void onEdit(String text) { // ͜Μʹͪ } }
໘ w +4ʹͪΐͬͱΛ͚ͩ͢Ͱ͍͢͝खؒ w จࣈྻͳ+4͕+BWBʹฆΕࠐΉ
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QPTU.FTTBHF JGSBNFTSDlEPNFJOzJGSBNF ʜ WBSJGSBNFEPDVNFOUHFU&MFNFOU#Z*E QBHF JGSBNFDPOUFOU8JOEPXQPTU.FTTBHF ͜Μʹͪ lEPNBJOl
WBSSFDFJWF.FTTBHFGVODUJPO FWFOU \ DPOTPMFMPH PL ^ XJOEPXBEE&WFOU-JTUFOFS NFTTBHF SFDFJWF.FTTBHF w QBHF w QBHF
QPTU.FTTBHF NFTTBHFDIBOOFM WBSSFDFJWF.FTTBHFGVODUJPO FWFOU \ WBSQPSUFWFOUQPSUT<> QPSUTUBSU QPSUQPTU.FTTBHF ͋Γ͕ͱ͏
^ XJOEPXBEE&WFOU-JTUFOFS NFTTBHF SFDFJWF.FTTBHF GBMTF w QBHF w QBHF WBSDIBOOFMOFX.FTTBHF$IBOOFM WBSJGSBNFEPDVNFOUHFU&MFNFOU#Z*E QBHF WBSQPSUDIBOOFMQPSU QPSUTUBSU QPSUBEE&WFOU-JTUFOFS NFTTBHF GVODUJPO F \ DPOTPMFMPH Αͬ͠Ό ^ JGSBNFDPOUFOU8JOEPXQPTU.FTTBHF ͜Μʹͪ <DIBOOFMQPSU>
8FC.FTTBHF༻ Ϋϥεͱϝιου w BOESPJEXFCLJU w 8FC.FTTBHF w 8FC.FTTBHF1PSU w 8FC.FTTBHF1PSUQPTU.FTTBHF
w 8FC.FTTBHF1PSU8FC.FTTBHF$BMMCBDL w BOESPJEXFCLJU8FC7JFX w 8FC7JFXDSFBUF8FC.FTTBHF$IBOOFM w 8FC7JFXQPTU8FC.FTTBHF
w ૹ৴͢ΔϝοηʔδΛදͨ͠Ϋϥε WebMessage webMessage = new WebMessage("͜Μʹͪ"); w .FTTBHF1PSUTΛҾʹऔΕΔ WebMessage
webMessage = new WebMessage("portͩΑ", ports); 8FC.FTTBHF
w .FTTBHF$IBOOFMͰ͏ϙʔτ w +4ͷ.FTTBHF$IBOOFMQPSUPS .FTTBHF$IBOOFMQPSU૬ 8FC.FTTBHF1PSU
w .FTTBHF$IBOOFMͰQPTU͢Δ mWebMessagePort1.postMessage(webMessage); 8FC.FTTBHF1PSU QPTU.FTTBHF 8FC.FTTBHF
w .FTTBHF$IBOOFMͰड৴ͨ͠༰Λड͚औΔ port1.setWebMessageCallback(new WebMessagePort.WebMessageCallback() { @Override public void onMessage(WebMessagePort port,
WebMessage message) { super.onMessage(port, message); Log.e("onMessage", message.getData()); } }); 8FC.FTTBHF1PSU8FC.FT TBHF$BMMCBDL
w .FTTBHF$IBOOFMΛ࡞Δ w ྻͰQPSU͕ͭฦͬͯ͘Δ mWebMessagePorts = mWebView.createWebMessageChannel(); WebMessagePort port1 =
mWebMessagePorts[0]; WebMessagePort port2 = mWebMessagePorts[1]; 8FC7JFX DSFBUF8FC.FTTHF$IBOOFM
w 8FC7JFXͰදࣔதͷ1BHFʹQPTU.BTTBHF͢Δ mWebView.postWebMessage(webMessage, uri); 8FC7JFX QPTU8FC.FTTBHF
ྫ
ྫ mWebMessagePorts = mWebView.createWebMessageChannel(); WebMessagePort port1 = mWebMessagePorts[0]; WebMessagePort port2
= mWebMessagePorts[1]; … port1.setWebMessageCallback(new WebMessagePort.WebMessageCallback() { … }}); … WebMessagePort[] ports = {port2}; WebMessage webMessage = new WebMessage("͜ΜʹͪportsͰ͢ ", ports); mWebView.postWebMessage(webMessage, uri);
·ͱΊ w +BWBʹจࣈྻͳ+4͕ฆΕࠐ·ͳ͍ w )5.-ͷඪ४ͳͷͰ൚༻త w ·ͩQSFWJFXஈ֊Ͱมߋ͕ଟ͍ͷͰҙ QSFWJFXQPTU.FTTBHF5P.BJO'SBNF QSFWJFXQPTU8FC.FTTBHF
͋Γ͕ͱ͏͍͟͝·ͨ͠