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Locking Activity Orientation in Android

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Locking Activity Orientation in Android




In my previous articles, we analyze the tweaks involved with action bar:

Now we see how to lock activity orientation



A certain activity in your application should not be allowed to rotate, or rotation requires more-direct intervention from the application code.

Using static declarations in the AndroidManifest.xml file, we can modify each individual activity to lock into either portrait or landscape orientation.

This can be applied only to the <activity> tag, so it cannot be done once for the entire application scope.

Simply add:

·         android:screenOrientation="portrait" or

·         android:screenOrientation="landscape"

to the <activity> element, and the activity will always display in the specified orientation, regardless of how the device is positioned.

There is also an option you can pass in the XML entitled behind. If an activity element has:


 set, it will take its settings from the previous activity in the stack. This can be a useful way for an activity to match the locked orientation of its originator for some slightly more dynamic behavior.

Updating AndroidManifest.xml



<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.msclient010.actionbarapplicationtest" >













            <!-- To support below api level 14 -->

            <meta-data android:name="android.support.UI_OPTIONS"

                android:value="splitActionBarWhenNarrow" />



                <action android:name="android.intent.action.MAIN" />


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









Run the Application for Portrait locking



The application will start in Portrait mode by default :


Turn the screen orientation to Landscape, notice the UI will still stick to portrait mode




Run the application for Landscape locking:


Now, we lock the screen for landscape mode, for this just change the value of android:screenOrientation  to "landscape" :


The application will run in landscape mode by default


Now change the orientation to portrait mode, the UI is still stick to landscape mode



Thanks for reading this post.

Happy Coding!! J


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