🚀 Android Sharing Explained — Sharesheet, Intents & More

How do you properly share text, images, files, PDFs, or multiple pieces of content from an Android app?

Android provides a powerful and consistent way to share data between apps using Intents and the Android Sharesheet.

I created this detailed visual cheat sheet to make the complete sharing flow easier to understand. 👇

📌 WHAT’S COVERED:

🔹 Android Sharesheet 🔹 Intent Resolver 🔹 ACTION_SEND 🔹 ACTION_SEND_MULTIPLE 🔹 EXTRA_TEXT 🔹 EXTRA_STREAM 🔹 MIME Types 🔹 Sharing binary content 🔹 Sharing multiple files 🔹 FileProvider 🔹 ContentProvider 🔹 Temporary URI permissions 🔹 MediaStore 🔹 Rich content previews 🔹 EXTRA_TITLE 🔹 ClipData 🔹 Custom Sharesheet actions 🔹 ChooserAction 🔹 Custom targets 🔹 EXTRA_CHOOSER_TARGETS 🔹 EXTRA_INITIAL_INTENTS 🔹 Excluding specific targets 🔹 EXTRA_EXCLUDE_COMPONENTS 🔹 Tracking which app received shared content 🔹 ChooserResult 🔹 IntentSender 🔹 Kotlin implementation examples

💡 THE SIMPLE RULE:

📤 One piece of content → ACTION_SEND

📤 Multiple pieces of content → ACTION_SEND_MULTIPLE

📱 Want the Android Sharesheet? → Intent.createChooser()

🎯 Want the system to handle a well-defined task? → Intent Resolver

📄 Sharing files? → Use content:// URIs with appropriate permissions

🖼️ Sharing media? → Use the correct MIME type

⚡ Want better receiver matching? → Use the most specific MIME type possible

🔐 Need to share private app files? → FileProvider + temporary URI permissions

One important Android recommendation:

❌ Don’t build your own custom Sharesheet.

✅ Prefer the system Android Sharesheet for a consistent user experience and better system-provided app suggestions.

The Android Sharesheet can also provide rich previews, custom actions, custom targets, target exclusions, and information about which target the user selected.

📚 Official Android Documentation: https://developer.android.com/develop/ui/compose/sharing/send

I’m continuing my Android learning journey by converting official Android documentation into practical visual cheat sheets that are easier to understand and revise.

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