jadx/config/checkstyle/checkstyle.xml

<?xml version="1.0" ?>

<!DOCTYPE module PUBLIC
		"-//Puppy Crawl//DTD Check Configuration 1.2//EN"
		"http://www.puppycrawl.com/dtds/configuration_1_2.dtd">

<module name="Checker">
	<property name="fileExtensions" value="java, properties, xml"/>
	<property name="charset" value="UTF-8"/>

	<module name="TreeWalker">
		<property name="tabWidth" value="4"/>
		<module name="RegexpSinglelineJava">
			<property name="format" value="^\t* "/>
			<property name="message" value="Indent must use tab characters"/>
			<property name="ignoreComments" value="true"/>
		</module>
		<module name="RegexpSinglelineJava">
			<property name="format" value="^(?!\s+\* $).*?\s+$"/>
			<property name="message" value="Line has trailing spaces."/>
		</module>
		<module name="AvoidEscapedUnicodeCharacters">
			<property name="allowEscapesForControlCharacters" value="true"/>
			<property name="allowByTailComment" value="true"/>
			<property name="allowNonPrintableEscapes" value="true"/>
		</module>

		<module name="EmptyLineSeparator">
			<property name="allowNoEmptyLineBetweenFields" value="true"/>
			<property name="allowMultipleEmptyLines" value="false"/>
		</module>

		<!-- whitespaces -->
		<module name="SingleSpaceSeparator"/>
		<module name="GenericWhitespace"/>
		<module name="MethodParamPad"/>
		<module name="NoWhitespaceBefore"/>
		<module name="OperatorWrap"/>
		<module name="ParenPad"/>
		<module name="TypecastParenPad"/>
		<module name="WhitespaceAfter"/>
		<module name="WhitespaceAround">
			<property name="allowEmptyMethods" value="true"/>
		</module>
		<!-- <module name="EmptyForIteratorPad"/> -->
		<!-- <module name="NoWhitespaceAfter"/>-->

		<module name="NoLineWrap"/>

		<module name="IllegalImport"/> <!-- defaults to sun.* packages -->
		<module name="RedundantImport"/>
		<module name="UnusedImports"/>
		<!-- <module name="AvoidStarImport"/> -->

		<module name="NeedBraces"/>
		<module name="LeftCurly"/>
		<module name="RightCurly"/>
		<module name="EmptyCatchBlock">
			<property name="exceptionVariableName" value="expected|ignore"/>
		</module>

		<!-- naming -->
		<module name="PackageName"/>
		<module name="TypeName"/>
		<module name="InterfaceTypeParameterName"/>
		<module name="ClassTypeParameterName"/>
		<module name="StaticVariableName"/>
		<module name="ConstantName"/>
		<module name="MemberName"/>
		<module name="MethodName"/>
		<module name="MethodTypeParameterName"/>
		<module name="ParameterName"/>
		<module name="LambdaParameterName"/>
		<module name="LocalVariableName"/>
		<module name="LocalFinalVariableName"/>
		<module name="CatchParameterName"/>
		<!-- <module name="HiddenField"/> -->

		<!-- annotations -->
		<module name="AnnotationLocation"/>
		<module name="AnnotationUseStyle">
			<property name="elementStyle" value="compact"/>
		</module>
		<module name="MissingOverride"/>
		<!-- <module name="MissingDeprecated"/> -->

		<module name="ModifierOrder"/>
		<!-- <module name="RedundantModifier"/> -->
		<!-- <module name="ParameterNumber"/> -->

		<module name="EmptyStatement"/>
		<module name="DefaultComesLast"/>
		<module name="EqualsHashCode"/>
		<module name="FallThrough"/>
		<!-- <module name="IllegalCatch"/> -->
		<module name="IllegalThrows"/>
		<module name="IllegalType"/>
		<module name="InnerAssignment"/>
		<module name="MultipleVariableDeclarations"/>
		<module name="NoClone"/>
		<module name="NoFinalizer"/>
		<module name="OneStatementPerLine"/>
		<module name="PackageDeclaration"/>
		<module name="StringLiteralEquality"/>

		<!-- design -->
		<module name="OneTopLevelClass"/>
		<module name="MutableException"/>
		<module name="InterfaceIsType"/>
		<module name="ThrowsCount">
			<property name="max" value="2"/>
		</module>

		<!-- misc -->
		<module name="ArrayTypeStyle"/>
		<module name="OuterTypeFilename"/>

		<!-- sizes -->
		<module name="OuterTypeNumber"/>

		<module name="SuppressWarningsHolder"/>

		<module name="IllegalType">
			<property name="illegalClassNames" value="java.util.ArrayList, java.util.HashMap, java.util.HashSet,
				 java.util.LinkedHashMap, java.util.LinkedHashSet, java.util.TreeMap, java.util.TreeSet"/>
		</module>
		<module name="IllegalImport">
			<property name="illegalClasses" value="jadx.core.utils.DebugUtils"/>
			<!-- don't use nullable annotations from RxJava -->
			<property name="illegalClasses" value="io.reactivex.rxjava3.annotations.NonNull"/>
			<property name="illegalClasses" value="io.reactivex.rxjava3.annotations.Nullable"/>
		</module>
		<module name="RegexpSinglelineJava">
			<property name="id" value="printstacktrace"/>
			<property name="format" value="\.printStackTrace\(\)"/>
			<property name="ignoreComments" value="true"/>
			<property name="message"
					  value="Using Throwable.printStackTrace() is forbidden. Use logger to print exception"/>
		</module>
	</module>

	<module name="NewlineAtEndOfFile"/>
	<module name="SuppressWarningsFilter"/>
</module>