WebView myWebView;
final public Handler handler = new Handler(); //android.os.Handler
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
myWebView = (WebView) findViewById(R.id.webView1);
WebSettings setting = myWebView.getSettings();
setting.setJavaScriptCanOpenWindowsAutomatically(true);
setting.setJavaScriptEnabled(true);//자바스크립트 허용
setting.setAllowFileAccess(true);//false => security reason
setting.setAllowContentAccess(true);
setting.setDomStorageEnabled(true);
myWebView.addJavascriptInterface(new JsJavaBridge(this, myWebView), "oInterface");
setting.setBuiltInZoomControls(true);
setting.setDefaultFontSize(20);
setting.setPluginState(WebSettings.PluginState.OFF);//no flash
//load test.html from the assets folder
myWebView.loadUrl("file:///android_asset/test.html");
myWebView.setWebViewClient(new CustomWebViewClient());
myWebView.setWebViewClient(new CustomWebViewClient(){
public void onPageFinished(WebView view, String weburl){
Log.d("PJM:", "onPageFinished:"+weburl);
String sJs = "javascript:testDraw('onPageFinished',1)";
// view.loadUrl("javascript:alert('Javascript fire!');");
//alert명령은 안됨.
view.loadUrl(sJs);
}
});
}
// Navigation WebView with Back Button
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && this.myWebView.canGoBack()) {
this.myWebView.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
public void javaCallHtml(int iArg){
// Toast.makeText()
Log.d("PJM","javaCallHtml : " + String.valueOf(iArg));
// myWebView.loadUrl("javascript:testDraw()");
String sJs = "javascript:testDraw('javaCallHtml', 3)";
// https://nicgoon.tistory.com/192 참고
//webview와 android는 비동기 상태이므로 쓰레드로 넣어전달해 주어야 한다.
handler.post(new Runnable() {
@Override
public void run() {
myWebView.loadUrl(sJs);
}
});
}
