Complete Android Developer Docs Guide

Explore how Android apps adapt to device configurations by leveraging language and region, locale, sim-based and layout direction, smallest width, available height, and api level 23 for proper resource selection.

Explore how Android resources are organized and referenced, including style attributes, assets, and the values directory, and learn to choose appropriate layouts and locales while preventing crashes.

Explore the core topic of activities in Android, covering the activity class, the lifecycle and its callback methods, and how a mobile app launches another app to move between contexts.

Explain explicit and implicit intents for launching activities, detailing how explicit intents target specific activities and implicit intents specify action, data, and category to open apps like an email composer.