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Orientation issue - How to disable landscape mode in Android

Anonymous User 2443 11 Jun 2015
How can I disable landscape mode for some of the views in my Android app?
android android
Updated 11 Jun 2015
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1 Answers

Anonymous User
Anonymous User 11 Jun 2015
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Add android:screenOrientation="portrait" to the activity in the AndroidManifest.xml. For example:

<activity android:name=".SomeActivity"
    android:label="@string/app_name"
    android:screenOrientation="portrait">
The major caveats with forced portrait:

This does not absolve you of having to think about activity lifecycle events or properly saving/restoring state. There are plenty of things besides app rotation that can trigger an activity destruction/recreation, including unavoidable things like multitasking. There are no shortcuts; learn to use bundles and retainInstance fragments.
Keep in mind that unlike the fairly uniform iPhone experience, there are many devices where portrait is not the clearly popular orientation. When users are on devices with hardware keyboards or game pads a la the Droid 1-4, Xperia Play, or the Nvidia Shield, forcing portrait can make your app a giant usability hassle (especially on the Shield). If your app doesn't have an extremely specific use case that would lead to an outright negative experience for supporting other orientations, you should probably not force landscape. I'm talking about things like, "this is a remote control app for a phone with an IR blaster on only one side of the device," or "this is a cash register app for one specific model of tablet always used in a fixed hardware dock."
So most apps should just let the phone sensors, software, and physical configuration make their own decision about how the user wants to interact with your app. A few cases you may still want to think about, though, if you're not happy with the default behavior of sensor orientation in your use case:

If your main concern is accidental orientation changes mid-activity that you think the device's sensors and software won't cope with well (for example, in a tilt-based game) consider supporting landscape and portrait, but using nosensor for the orientation. This forces landscape on most tablets and portrait on most phones, but I still wouldn't recommend this for most "normal" apps (some users just like to type in the landscape softkeyboard on their phones, and many tablet users read in portrait - and you should let them).
If you still need to force portrait for some reason, sensorPortrait may be better than portrait for Android 2.3+; this allows for upside-down portrait, which is quite common in tablet usage.
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