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Why Accessibility Service doesn’t works in suspend state?
Photo by Paul Green on Unsplash
Android internals

Why Accessibility Service doesn’t works in suspend state?

Accessibility Service is one of the powerful tools present in the Android framework, with which you can read the UI of any other application but the service won't work when the device is in suspend state.

0 Comments
February 28, 2021
Android StorageManagerService and VOLD interaction| Part 2/2
Android internals

Android StorageManagerService and VOLD interaction| Part 2/2

The StorageManagerService uses another aidl IVOLD.aidl to communicate to vold deamon. The StorageManagerService uses an asynchronous AIDL

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November 15, 2020
Android External Storage support: Volume Daemon (VOLD)| part 1/2
Android internals

Android External Storage support: Volume Daemon (VOLD)| part 1/2

Vold is a native process that acts as a control center for managing and controlling the external storage in the Android platform. The vold process receives external storage device connection and disconnection message.

1 Comment
November 9, 2020
Android Build cookbook| Build Apps or Libraries with Make file
Android internals

Android Build cookbook| Build Apps or Libraries with Make file

Android make based file system uses Android.mk file to describe the sources and libraries to the build system. You can define several modules in a single Android.mk.

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October 25, 2020
Android OTA update: How to implement A/B update mechanism
Android internals

Android OTA update: How to implement A/B update mechanism

OEMs and SoC vendors who want to implement A/B OTA system update must ensure their bootloader implements the boot_control HAL and passes the correct parameters to the kernel.

2 Comments
October 17, 2020
How Android reboot: 3 ways to reboot your android device
Android internals

How Android reboot: 3 ways to reboot your android device

The whole event of android reboot is performed in 3 steps:1. Event generation for power button. 2. Dialog creation when power button is pressed. 3. Rebooting the device

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October 13, 2020
Android Application launch: What happens when we click an icon
Android application launch
Android internals

Android Application launch: What happens when we click an icon

There are three distinct phases of an application launch.1. Process Creation. 2. Binding Application. 3. Launching activity. The startActivity(intent) is routed to ActivityManagerService(AMS)

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October 7, 2020
Explore more with Android “adb shell dumpsys”
Android internals

Explore more with Android “adb shell dumpsys”

Android dumpsys is a tool build into the android os that provide a lot of information about the status of the system service, packages and processes running on the device.

0 Comments
October 2, 2020
Analyzing Android BugReport made easy: CheckBugReport
Android internals

Analyzing Android BugReport made easy: CheckBugReport

Android bugreport contains lots of information such as device logs, stack traces, ANR, kernel logs, dumpsys, memory info, etc. But in the end it is hard to read.

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September 25, 2020
Android ANR: Everything you need to know about
Android ANR
Android internals

Android ANR: Everything you need to know about

ANR occurs, when the Android detects the system is not able to respond to user input for a few seconds, it throws a dialog saying "Your app isn't responding"

0 Comments
September 20, 2020
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  • Android StorageManagerService and VOLD interaction| Part 2/2
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