How do I set activity in landscape mode?
If you want the activity to be in landscape mode then one need invoke the android:screenOrientation=”landscape”. Now you will get the red line under the above screenOrientation attributes.
How do I specify different layouts for portrait and landscape orientations in Android?
Use “layout-port” for portrait mode. I think the easiest way in the latest Android versions is by going to Design mode of an XML (not Text). Then from the menu, select option – Create Landscape Variation. This will create a landscape xml without any hassle in a few seconds.
How do I change the layout of landscape in Android?
Step 1: Open the base UI layout in DESIGN mode so that you see the actual GUI, such as Buttons, icons, etc. Step 2: Click the icon marked in the below screenshot and, from the menu, select Create Landscape Variation. Then the corresponding Landscape file will be created automatically named as land00ml file name.
How do I force an Android app to landscape?
On the main screen of Rotation Manager, select an orientation by tapping on either the vertical or horizontal icons next to a specific app to lock it into either landscape or portrait mode. Highlighting both icons will allow that particular app to auto-rotate.
What is activity life cycle?
Activity Lifecycle: Activity is one of the building blocks of Android OS. In simple words Activity is a screen that user interact with. Every Activity in android has lifecycle like created, started, resumed, paused, stopped or destroyed. These different states are known as Activity Lifecycle.
How do you change the orientation of an activity?
If you want to manually handle orientation changes in your app you must declare the “orientation” , “screenSize” , and “screenLayout” values in the android:configChanges attributes. You can declare multiple configuration values in the attribute by separating them with a pipe | character.
How do I manage portrait and landscape on Android?
Select Orientation Available Qualifiers and then “>>” icon at right side, then select Landscape under Screen Orientation. Now select layout under the Resource type, and then let the Directory name as layout-land and don’t change it. Then copy the activity_main. xml file from the layout folder to layout-land folder.
How do I make all my apps rotate?
To enable auto rotate, you’ll need to download the latest Google app update from the Play store. Once its installed, long-press on the home screen and tap on Settings. At the bottom of the list, you should find a toggle switch to enable Auto Rotation. Slide it to the On position, then go back to your home screen.
What is activity and activity life cycle?
Activity-lifecycle concepts To navigate transitions between stages of the activity lifecycle, the Activity class provides a core set of six callbacks: onCreate() , onStart() , onResume() , onPause() , onStop() , and onDestroy() . The system invokes each of these callbacks as an activity enters a new state.
What are the four essential states of an activity?
Hence, all in all there are four states of an Activity(App) in Android namely, Active , Paused , Stopped and Destroyed .
What happens when we change the orientation of an activity?
When you rotate your device and the screen changes orientation, Android usually destroys your application’s existing Activities and Fragments and recreates them. Android does this so that your application can reload resources based on the new configuration.
How to create landscape layout in Android Studio?
So i n android, every application is designed in almost both the orientations i.e Portrait and Landscape. But by default Android Studio gives the option to design the application in Portrait mode but for Landscape mode, we need to create a Landscape Layout folder under the res folder.
Which is the default layout for android portrait or landscape?
By default, the layouts in /res/layout are applied to both portrait and landscape. you can add a new folder /res/layout-land, copy main.xml into it and make the needed adjustments. See also http://www.androidpeople.com/android-portrait-amp-landscape-differeent-layouts and http://www.devx.com/wireless/Article/40792/1954 for some more options.
How to make a file work in landscape mode?
I say right click on resources folder and Add new resource file, and from Available qualifiers select the orientation : since then any layout.xml file under this sub-folder will only work for landscape mode automatically. Use “layout-port” for portrait mode.
How to specify different layouts for portrait and landscape orientations?
This example demonstrates how do I specify different layouts for portrait and landscape orientations in android Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.xml.