Can the Android emulator record and play back audio using pc hardware?

Yes, it can. On Mac OSX, you must set the microphone on the emulator settings, after it’s opened. While the emulator is opened, on the right side bar (where the volume buttons are localized), click on the three dots (last button of the list) to open the emulator settings. On the settings screen (called “Extended … Read more

Simulator or Emulator? What is the difference?

Emulation is the process of mimicking the outwardly observable behavior to match an existing target. The internal state of the emulation mechanism does not have to accurately reflect the internal state of the target which it is emulating. Simulation, on the other hand, involves modeling the underlying state of the target. The end result of … Read more

How to add a new device in QEMU source code?

edu in-tree educational PCI device https://github.com/qemu/qemu/blob/v2.7.0/hw/misc/edu.c https://github.com/qemu/qemu/blob/v2.7.0/docs/specs/edu.txt It is very easy to understand and well documented, so I recommend that you study it. It exposes a minimal PCI device, with basic IO, interrupt generation, and DMA. I’ve written a minimal Linux kernel module + userland tests to play with it at: https://github.com/cirosantilli/linux-kernel-module-cheat/blob/6788a577c394a2fc512d8f3df0806d84dc09f355/rootfs_overlay/pci.sh https://github.com/cirosantilli/linux-kernel-module-cheat/blob/6788a577c394a2fc512d8f3df0806d84dc09f355/kernel_module/pci.c Out-of-tree devices … Read more

Android emulator: How to monitor network traffic?

There are two ways to capture network traffic directly from an Android emulator: Copy and run an ARM-compatible tcpdump binary on the emulator, writing output to the SD card, perhaps (e.g. tcpdump -s0 -w /sdcard/emulator.cap). Run emulator -tcpdump emulator.cap -avd my_avd to write all the emulator’s traffic to a local file on your PC In … Read more

Making the Android emulator run faster

Official web page ~50% faster Windows: Install “Intel x86 Emulator Accelerator (HAXM)” => SDK-Manager/Extras Install “Intel x86 Atom System Images” => SDK-Manager/Android 2.3.3 Go to the Android SDK root folder and navigate to extras\intel\Hardware_Accelerated_Execution_Manager. Execute file IntelHaxm.exe to install. (in Android Studio you can navigate to: Settings -> Android SDK -> SDK Tools -> Intel … Read more

Android emulator not able to access the internet

👉 1st try “Cold booting” the emulator as suggested here. 👉 If cold booting doesn’t work, try changing the DNS address of your network to 8.8.8.8 (Google’s DNS) or another of your preference: MacOSX: Open “System Preferences” Click on “Network” Select the network which your computer is connected and click on “Advanced” Select “DNS”, Select … Read more

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