blocks|key|1425513|text|使用类别为android.intent.category.BROWSABLE的android.intent.action.VIEW。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1425514|来自罗曼·盖伊的Photostream应用程序的AndroidManifest.xml|1425515|++++<activity
++++++++android:name=".PhotostreamActivity"
++++++++android:label="@string/application_name">

++++++++++++++++++++

++++++++<intent-filter>
++++++++++++<action+android:name="android.intent.action.VIEW"+/>
++++++++++++<category+android:name="android.intent.category.DEFAULT"+/>
++++++++++++<category+android:name="android.intent.category.BROWSABLE"+/>
++++++++++++<data+android:scheme="http"
++++++++++++++++++android:host="flickr.com"
++++++++++++++++++android:pathPrefix="/photos/"+/>
++++++++++++<data+android:scheme="http"
++++++++++++++++++android:host="www.flickr.com"
++++++++++++++++++android:pathPrefix="/photos/"+/>
++++++++</intent-filter>
++++</activity>|code-block|syntax|javascript|1425516|进入activity之后，您需要查找操作，然后对收到的URL执行一些操作。Intent.getData()方法为您提供一个Uri。|style|CODE|1425517|++++final+Intent+intent+=+getIntent();
++++final+String+action+=+intent.getAction();

++++if+(Intent.ACTION_VIEW.equals(action))+{
++++++++final+List<String>+segments+=+intent.getData().getPathSegments();
++++++++if+(segments.size()+>+1)+{
++++++++++++mUsername+=+segments.get(1);
++++++++}
++++}|1425518|然而，应该注意的是，这个应用程序有点过时了(1.2)，所以你可能会发现有更好的方法来实现这一点。|1425519|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/reference/android/content/Intent.html#CATEGORY_BROWSABLE|1|http://android-developers.blogspot.com/2008/09/android-photostream.html|2|http://code.google.com/p/apps-for-android/source/browse/trunk/Photostream/AndroidManifest.xml|3|http://code.google.com/p/apps-for-android/source/browse/trunk/Photostream/src/com/google/android/photostream/PhotostreamActivity.java^0|5|X|0|0|8|B|1|O|J|2|0|0|11|G|2|8|3|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@$A|17|B|18|1|19]]|C|$]]|$1|D|3|E|5|6|7|1A|8|@]|9|@$A|1B|B|1C|1|1D]|$A|1E|B|1F|1|1G]]|C|$]]|$1|F|3|G|5|H|7|1H|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|1I|8|@$A|1J|B|1K|M|N]]|9|@$A|1L|B|1M|1|1N]]|C|$]]|$1|O|3|P|5|H|7|1O|8|@]|9|@]|C|$I|J]]|$1|Q|3|R|5|6|7|1P|8|@]|9|@]|C|$]]|$1|S|3|-4|5|6|7|1Q|8|@]|9|@]|C|$]]]|T|$U|$5|V|W|X|C|$Y|Z]]|10|$5|V|W|X|C|$Y|11]]|12|$5|V|W|X|C|$Y|13]]|14|$5|V|W|X|C|$Y|15]]]]

Use an android.intent.action.VIEW of category <a href="http://developer.android.com/reference/android/content/Intent.html#CATEGORY_BROWSABLE" rel="noreferrer">android.intent.category.BROWSABLE</a>.

From Romain Guy's <a href="http://android-developers.blogspot.com/2008/09/android-photostream.html" rel="noreferrer">Photostream</a> app's <a href="http://code.google.com/p/apps-for-android/source/browse/trunk/Photostream/AndroidManifest.xml" rel="noreferrer">AndroidManifest.xml</a>, 

<pre><code> &lt;activity
 android:name=".PhotostreamActivity"
 android:label="@string/application_name"&gt;

 &lt;!-- ... --&gt; 

 &lt;intent-filter&gt;
 &lt;action android:name="android.intent.action.VIEW" /&gt;
 &lt;category android:name="android.intent.category.DEFAULT" /&gt;
 &lt;category android:name="android.intent.category.BROWSABLE" /&gt;
 &lt;data android:scheme="http"
 android:host="flickr.com"
 android:pathPrefix="/photos/" /&gt;
 &lt;data android:scheme="http"
 android:host="www.flickr.com"
 android:pathPrefix="/photos/" /&gt;
 &lt;/intent-filter&gt;
 &lt;/activity&gt;
</code></pre>

Once inside you're in the <a href="http://code.google.com/p/apps-for-android/source/browse/trunk/Photostream/src/com/google/android/photostream/PhotostreamActivity.java" rel="noreferrer">activity</a>, you need to look for the action, and then do something with the URL you've been handed. The <code>Intent.getData()</code> method gives you a Uri.

<pre><code> final Intent intent = getIntent();
 final String action = intent.getAction();

 if (Intent.ACTION_VIEW.equals(action)) {
 final List&lt;String&gt; segments = intent.getData().getPathSegments();
 if (segments.size() &gt; 1) {
 mUsername = segments.get(1);
 }
 }
</code></pre>

It should be noted, however, that this app is getting a little bit out of date (1.2), so you may find there are better ways of achieving this.

blocks|key|1425523|text|private+class+MyWebViewClient+extends+WebViewClient+{
++++@Override
++++public+boolean+shouldOverrideUrlLoading(WebView+view,+String+url)+{
++++++++setUrlparams(url);

++++++++if+(url.indexOf("pattern")+!=+-1)+{
++++++++++++//+do+something
++++++++++++return+false;
++++++++}+else+{
++++++++++++view.loadUrl(url);
++++++++}

++++++++return+true;
++++}

}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1425524|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>private class MyWebViewClient extends WebViewClient {
 @Override
 public boolean shouldOverrideUrlLoading(WebView view, String url) {
 setUrlparams(url);

 if (url.indexOf("pattern") != -1) {
 // do something
 return false;
 } else {
 view.loadUrl(url);
 }

 return true;
 }

}
</code></pre>

blocks|key|1425565|text|有一些库可以自动解析url中的参数。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1425566|比如|1425567|https://github.com/airbnb/DeepLinkDispatch|offset|length|1425568|&&|1425569|https://github.com/mzule/ActivityRouter|1425570|后一篇是我写的。它可以将参数解析为给定的类型，而不总是字符串。|1425571|示例|1425572|@Router(value+=+"main/:id"+intExtra+=+"id")
...
int+id+=+getIntent().getInt("id",+0);|code-block|syntax|javascript|1425573|entityMap|0|LINK|mutability|MUTABLE|url|1^0|0|0|0|16|0|0|0|0|13|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|12|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|13|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|14|8|@]|9|@$F|15|G|16|1|17]]|A|$]]|$1|H|3|I|5|6|7|18|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|19|8|@]|9|@$F|1A|G|1B|1|1C]]|A|$]]|$1|L|3|M|5|6|7|1D|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1E|8|@]|9|@]|A|$]]|$1|P|3|Q|5|R|7|1F|8|@]|9|@]|A|$S|T]]|$1|U|3|-4|5|6|7|1G|8|@]|9|@]|A|$]]]|V|$W|$5|X|Y|Z|A|$10|E]]|11|$5|X|Y|Z|A|$10|K]]]]

There are some libraries parse parameters from url automatically.

such as

<a href="https://github.com/airbnb/DeepLinkDispatch" rel="nofollow">https://github.com/airbnb/DeepLinkDispatch</a>

&amp;&amp;

<a href="https://github.com/mzule/ActivityRouter" rel="nofollow">https://github.com/mzule/ActivityRouter</a>

The later one is wrote by me. Which can parse parameters to given type, not always String.

Example

<pre><code>@Router(value = "main/:id" intExtra = "id")
...
int id = getIntent().getInt("id", 0);
</code></pre>

I'd like to be able to prompt my app to open a link when user clicks on an URL of a given pattern instead of allowing the browser to open it. This could be when the user is on a web page in the browser or in an email client or within a WebView in a freshly-minted app.

For example, click on a YouTube link from anywhere in the phone and you'll be given the chance to open the YouTube app. 

How do I achieve this for my own app?

Intercepting links from the browser to open my Android app

我希望能够在用户点击给定模式的URL时提示我的应用程序打开链接，而不是允许浏览器打开它。这可能是当用户在浏览器中的网页上，或者在电子邮件客户端中，或者在新创建的应用程序的WebView中时。例如，在手机的任何地方点击YouTube链接，你就有机会打开YouTube应用程序。我如何在我自己的应用程序中实现这一点？

问截取浏览器中的链接以打开我的Android应用程序
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