One of the components of Material Design is Material Motion. Material Motion comprises of 4 patterns for transitioning between components/screens. One of these transition patterns is Container Transform. With Container Transform, you can transform one element into another during transition. …

Android Protected Confirmation is a security feature that was introduced back in Android 9 (API level 28). This feature enables you to use Trusted UI to confirm a certain user action (usually a transaction). What is Trusted UI? Trusted UI is hardware-protected user interface that facilitates high assurance to critical transactions. There are three…

When I was reading about AsyncTask, I stumbled upon this StackOverflow thread that discusses how to correctly handle AsyncTask during screen rotation. The problem lies with Activities being destroyed and recreated during configuration changes (such as screen rotation). This change causes the AsyncTask to fail and the app crashing. There…

RoleManager is Android class that manages roles in your device. What is role? Android documentation defines a “role” as a unique name within the system associated with certain privileges. To help you understand it better, these are the roles that are currently available in Android system: ROLE_ASSISTANT: An app that holds this role…

Another simple new feature introduced by Android 12 is BiometricPrompt Localizable Strings. Essentially, developers will be able to access three new methods to get localized strings related to biometric prompt: getLabelButton(): Gets button label that invokes the biometric prompt. getPromptMessage(): Gets message shown while the user is authenticating with biometric…

We are going to talk about a simple feature introduces in Android 12: Permission Group Lookup. With this, developers can determine: which permission group a permission belongs to; or which permissions belong to a certain permission group. To achieve those, we are introduced to 2 new methods: getGroupOfPlatformPermission and getPlatformPermissionsForGroup. …

Android 12 introduces easier method for creating common graphic effects through a new class: RenderEffect. With this class, you are able to create 3 types of effects: Single effects, which is one of these effects: blur, color filter, shader effect, or bitmap effect. Chain effects, which compose two effects by…

Android 13 (Tiramisu)’s new APIs and features are ready to be tried out by developers. One of them is a new runtime permission for posting notifications: POST_NOTIFICATIONS. By this new change, your user has to grant this permission first before your app can post any notification. Also you as a…

Android 13 (Tiramisu)’s new APIs and features are ready to be tried out by developers. One of them is downgradable permission: now your app will be able to revoke runtime permissions that were previously granted by the user. Essentially, we now have 2 new APIs: For revoking ONE permission: revokeSelfPermissionOnKill(String). …