<activity android:name=".ThirdActivity">
<intent-filter>
<action android:name="android.intent.action.VIEW"/>
<category android:name="android.intent.category.DEFAULT"/> <data android:scheme="http"/>
</intent-filter>
</activity>

初学者在学安卓的时候,在《第一行代码》中,出现

Activity supporting ACTION_VIEW is not set as BROWSABLE less... (Ctrl+F1)
Ensure the URL is supported by your app, to get installs and traffic to your app from Google Search. More info: https://g.co/AppIndexing/AndroidStudio

需要再添加一个catagory BROWSABLE

        <activity android:name=".ThirdActivity">
<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"/>
</intent-filter>
</activity>
05-11 22:05