网页调用外部APP

<activity
            android:name=".MainActivity"
            android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
                <category android:name="android.intent.category.DEFAULT" />

                <action android:name="android.intent.action.VIEW" />
                <category android:name="android.intent.category.BROWSABLE" />
                <data
                    android:host="cn.jsonlu.aidl.server"
                    android:scheme="open" />
            </intent-filter>
        </activity>

<a href="open://cn.jsonlu.aidl.server">打开APP</a>