Choudhary's Cyber Corner

Activity Lifecycle: onCreate() : Called when the activity is created. onStart() : Called when the activity becomes visible to the user. onResume() : Called when the activity starts interacting with the user. onPause() : Called when the activity is partially visible (but not in focus). onStop() : Called when the activity is no longer visible. onDestroy() : Called before the activity is destroyed. Layouts and Views: Layouts define the structure of the user interface. Views are widgets (buttons, text fields, etc.) that are placed inside layouts. Intents: Intents are messages used to communicate between different components of an application or between different applications. Explicit Intents: Specifies the target component directly. Implicit Intents: Declares an action without a recipient, and the android system resolves the appropriate component to handle it. Data sent by the application could be stolen by a malicious app as it doesn’t specify a recipient. An int...

Note: Welcome to my journey of mastering Android security! As I prepare for the eMAPT certification, I'll be sharing insights, notes, and tested applications to help fellow learners navigate this exciting field. What is Android? Android is an open-source operating system developed by Google and the Open Handset Alliance. It is designed for mobile devices and offers a customizable platform for developers to create applications. It is based on the Linux kernel and supports features like a user-friendly interface, access to the Google Play Store, and integration with Google services. It is used in smartphones, tablets, smart TVs, smartwatches, and other devices, and has a large developer community contributing to its growth and availability of apps. Since it is used by almost all devices, that means that bug hunters have a huge scope. Android Architecture The Android architecture is composed of several layers that work together to provide a complete operating system for mob...