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Force an Android activity to always use landscape mode


Question

I am using the Android VNC viewer on my HTC G1. But for some reason, that application is always in landscape mode despite my G1 is in portrait mode. Since the Android VNC viewer is open source, I would like know how is it possible hard code an activity to be 'landscape'. I would like to change it to respect the phone orientation.

2016/03/04
1
144
3/4/2016 7:38:07 PM


You can set the same data in your java code as well.

myActivity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

Other values on ActivityInfo will let you set it back to sensor driven or locked portrait. Personally, I like to set it to something in the Manifest as suggested in another answer to this question and then change it later using the above call in the Android SDK if there's a need.

2010/01/27

In my OnCreate(Bundle), I generally do the following:

this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
2016/03/04

You can specify the orientation of an activity in the manifest. See here.

<activity android:allowTaskReparenting=["true" | "false"]
...
          android:screenOrientation=["unspecified" | "user" | "behind" |
                                     "landscape" | "portrait" |
                                     "sensor" | "nosensor"]
...
                                       "adjustResize", "adjustPan"] >  
2010/01/27

In the manifest:

<activity  android:name=".YourActivity"
android:screenOrientation="portrait"
android:configChanges="orientation|screenSize">

In your activity:

setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
setContentView(R.layout.your_activity_layout);
2018/08/07

The following is the code which I used to display all activity in landscape mode:

<activity android:screenOrientation="landscape"
          android:configChanges="orientation|keyboardHidden"
          android:name="abcActivty"/>
2016/03/04

Source: https://stackoverflow.com/questions/2150287
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