得到网页上的点击事件在我的Android应用程序 [英] get the click event from webpage in my android application
问题描述
IAM创建具有button..this网页的样本网页正在使用的WebView调用机器人。
iam creating a sample webpage with button..this webpage am calling in android using webview.
现在当我点击网页上的按钮(即HTML按钮)。我应该能够执行C $ CS约$ android系统。
now when i click the button on webpage(that is html button). i should be able to execute some codes in android..
如何进行?
public class web extends Activity {
WebView mWebView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.webdisplay);
mWebView = (WebView) findViewById(R.id.webview);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.loadUrl("http://localhost/test.html");
valid = new Button(ctx);
valid.setOnClickListener(this);
refuse = new Button(ctx);
refuse.setOnClickListener(this);
}
}
推荐答案
我们可以发现以下的HTML元素的Android API文档。
We can detect following HTML elements as per Android API Document.
int ANCHOR_TYPE HitTestResult for hitting a HTML::a tag
int EDIT_TEXT_TYPE HitTestResult for hitting an edit text area
int EMAIL_TYPE HitTestResult for hitting an email address
int GEO_TYPE HitTestResult for hitting a map address
int IMAGE_ANCHOR_TYPE HitTestResult for hitting a HTML::a tag which contains HTML::img
int IMAGE_TYPE HitTestResult for hitting an HTML::img tag
int PHONE_TYPE HitTestResult for hitting a phone number
int SRC_ANCHOR_TYPE HitTestResult for hitting a HTML::a tag with src=http
int SRC_IMAGE_ANCHOR_TYPE HitTestResult for hitting a HTML::a tag with src=http + HTML::img
int UNKNOWN_TYPE Default HitTestResult, where the target is unknown
我想你将能够使用的WebView的setOnTouchListener函数来获取所有事件。
I think you will be able to get all events using WebView's setOnTouchListener function.
的WebView有一个名为内部类<一href="http://developer.android.com/reference/android/webkit/WebView.HitTestResult.html">HitTestResult. HitTestResult类将帮助我们找到其中preSS的HTML元素,当用户点击的WebView。
WebView has inner class named HitTestResult. HitTestResult class will help us to find the HTML element which press when user click on WebView.
<一个href="http://developer.android.com/reference/android/webkit/WebView.HitTestResult.html">HitTestResult类只有两个方法。
- getExtra():它返回字符串。字符串具有点击用户HTML元素
- 的getType():它返回整数。它被用于识别HTML元素被点击由用户
您可以这样做:
wv.setOnTouchListener(new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
WebView.HitTestResult hr = ((WebView)v).getHitTestResult();
Log.i(TAG, "getExtra = "+ hr.getExtra() + "\t\t Type=" + hr.getType());
return false;
}
});
编辑: 漱口完美的答案: <一href="http://stackoverflow.com/questions/4065312/detect-click-on-html-button-through-javascript-in-android-webview">Detect通过JavaScript在Android中的WebView点击HTML按钮
Edited : Refer for perfect answer : Detect click on HTML button through javascript in Android WebView
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