Inter Process Communication (IPC) has been a part of Android since 1.0, and yet most of us take it for granted. Intents, content providers, and system service managers hide the IPC infrastructure provided by Binder, but without it, the Android OS and our apps would simply fall apart. Binder/IPC is the glue that holds it all together. It enables Android's memory management, security sandboxing, efficient threading, and countless other features on the Android platform.
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