- Change to keypad layout lollipop update#
- Change to keypad layout lollipop full#
- Change to keypad layout lollipop for android#
- Change to keypad layout lollipop code#
Is passed a Configuration object that specifies Instead, the MyActivity receives a call to
Now, when one of these configurations change, MyActivity does not restart. Orientation changes and keyboard availability change:
Change to keypad layout lollipop code#
In the attribute by separating them with a pipe | character.įor example, the following manifest code declares an activity that handles both screen You can declare multiple configuration values "orientation", "screenSize", and "screenLayout" values in If you want to manually handle orientation changes in your app you must declare the The "keyboardHidden" value prevents restarts when the keyboard availability.The "screenLayout" value is necessary to detect changes that can be triggered byĭevices such as foldable phones and convertible Chromebooks.
Change to keypad layout lollipop for android#
Only for Android 3.2 (API level 13) and above.
Change to keypad layout lollipop update#
If your application doesn't need to update resources during a specific configurationĬhange and you have a performance limitation that requires you toĪvoid the activity restart, then you can declare that your activity handles the configuration change Handling the configuration change yourself For more information on using ViewModels in your apps, read the ViewModels are preserved acrossĬonfiguration changes so they are the perfect place to keep your UI data without having to query Situation, you can alleviate the burden of reinitializing part of your activity by using a Also, it might not be possible for you to completely restore yourĪctivity state with the Bundle that the system saves for you with theĭesigned to carry large objects (such as bitmaps) and the data within it must be serialized thenĭeserialized on the main thread, which can consume a lot of memory and make the configuration
Change to keypad layout lollipop full#
If restarting your activity requires that you recover large sets of data, re-establish a networkĬonnection, or perform other intensive operations, then a full restart due to a configuration change Retaining an object during a configuration change Manually update your activity as necessary. Your app will receive a callback when the configurations do change so that you can Prevent the system from restarting your activity during certain configurationĬhanges. Preferred options (onSaveInstanceState(), ViewModels, and persistent storage) you can instead However, if you are unable to preserve your UI state using the It is not recommended to handle configuration changes yourself due to the hidden complexity of