android - Some questions about hybrid Daydream VR app -

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1.our project hybrid app contains 2d traditional activities , cardboad vr mode, , want introduce daydream api publish app on daydream platform, seems app published on daydream published on google play vr, means 2d traditional activities should never been shown users have put on daydream view. right?

if so, how know whether user actives app google play vr，or daydream platform？

actually, our app of vertical screen except vr mode，which means， if users active google play vr platform, first shown 2d traditional activity，and seems not meet requirements of daydream app quality，but if users tap 2d icon open app，it ok，because users have not yet put on daydream view，and can choose vr mode finger.

another question can publish app daydream , google play vr platform in state，a vertical screen app daydream vr mode button？if ok，how work out problem when user active app google play vr?

you can set app when launched vr home user sent directly vr activity, , when launched 2d launcher user sent 2d activity.

this done in app manifest. vr entry screen's activity intent filter should have main action , cardboard , daydream categories set. 2d entry screen's activity intent filter should have main action , launcher category set.

<manifest>     ...     <application>         ...         <activity             android:name=".vractivity"             android:enablevrmode="true"             android:label="@string/app_name">              <intent-filter>                 <action android:name="android.intent.action.main" />                 <category android:name="com.google.intent.category.cardboard" />                 <category android:name="com.google.intent.category.daydream" />             </intent-filter>         </activity>         <activity             android:name=".regularnonvractivity"             android:label="@string/app_name">              <intent-filter>                 <action android:name="android.intent.action.main" />                 <category android:name="android.intent.category.launcher" />             </intent-filter>         </activity>     </application> </manifest>




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