Added performance monitoring environment variables SHOW_PERF_STATS=1 and ANDROID_EMU_TRACING=1. This provides a quick way to diagnose if the emulator seems to be using too much CPU or RAM. This is not applied to system images with API level Settings > Advanced > Performance Stats. adb shell settings put screen_off_timeout 214783647. To address CPU usage, we now run the following ADB commands on a cold boot when det ecting boot complete:. Instead, we use the platform's native windowing libraries to do so. We no longer use Qt libraries to get the monitor dimensions as it is unreliable. To address issues with some Linux installs containing incompatible versions of some Qt dependent libraries, we now package libfreetype, libsoftokn, libsqlite3, and libxkbcommon with the emulator. Worked around crash in Qt's libpng decoding when starting certain system images we now use our own copy of libpng to decode PNG images. adb emu avd hostmicon, adb emu avd hostmicoff: Control whether host audio input is used. -allow-host-audio: Microphone activated on startup. We also provide a command line and console command for toggling:. To pass through host audio data, there is now a toggle in the UI: Extended Controls > Microphone > "Virtual microphone uses host audio input". Host audio is now blocked from being passed to the emulator. The major Marble-related changes follow. 
At the same time, we've continued to address general emulator quality issues.We've also introduced quality-of-life changes that make it easier to work with the emulator in a wider variety of environments.The major area of effort was dedicated to reducing resource usage of the emulator, especially CPU usage at idle.We've made several changes to the emulator that are quality-oriented.
Emulator CI: Docker Scripts for Linux Emulator.
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