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Using ADB to control Accessbility settings for easier testing with Android Emulators + Real Devices

It's a lot easier to test accessibility on the fly using ADB. This gist attempts to make the days of navigating through the Android device settings UI to change Accessibility settings obsolete.

These ADB commands will hopefully encourage Android developers to test and use their apps with common Accessiblility settings enabled.

Credit to James Nitsch for inspiring this, and for figuring out the put commands to enable these settings.

Font Scale (Font Size -- Testing Dynamic Text)

System directories

Method	Result
Environment.getDataDirectory()	/data
Environment.getDownloadCacheDirectory()	/cache
Environment.getRootDirectory()	/system

External storage directories

	package se.hellsoft.markdowncomposer

	import android.util.Log
	import androidx.compose.foundation.Box
	import androidx.compose.foundation.ContentGravity
	import androidx.compose.foundation.Text
	import androidx.compose.foundation.layout.fillMaxWidth
	import androidx.compose.foundation.text.InlineTextContent
	import androidx.compose.foundation.text.appendInlineContent
	import androidx.compose.material.Colors

	Unless specified otherwise, all of the below tinting applies to both Lollipop and pre-Lollipop using AppCompat v21.
	To use the support version of these attributes, remove the android namespace.

	For instance, "android:colorControlNormal" becomes "colorControlNormal".

	These attributes will be propagated to their corresponding attributes within the android namespace
	for devices running Lollipop. Any exceptions to this will be noted by including the "android:" prefix.

	All Clickable Views:
	-----------

	#!/bin/bash

	# Quinn Comendant <[email protected]>
	# https://gist.github.com/quinncomendant/3be731567e529415d5ee
	# Since 25 Jan 2015
	# Version 1.2.2

	# q 13942 0.0 0.3 4408332 22096 ?? SN 7:32PM 0:00.27 /Applications/OpenDNS Roaming Client/RoamingClientMenubar.app/Contents/MacOS/RoamingClientMenubar
	# nobody 13937 0.0 0.1 4296740 5164 ?? Ss 7:31PM 0:00.06 /usr/local/sbin/dnscrypt-proxy --user nobody --local-address=127.0.0.1:53 --plugin=libdcplugin_erc.so -d
	# root 13903 0.0 0.2 4366308 13752 ?? SNs 7:31PM 0:00.25 /Library/Application Support/OpenDNS Roaming Client/dns-updater

	package com.sjl.util;

	import android.app.Activity;
	import android.app.Application;
	import android.content.Context;
	import android.os.Bundle;
	import android.os.Handler;
	import android.util.Log;

	import java.util.List;