Update versions, add detekt and spotless

build.gradle

@@ -1,15 +1,26 @@
 buildscript {
     ext {
-        compose_version = "1.2.0-beta01"
+        compose_version = "1.2.1"
-        activity = "1.4.0"
+        compose_compiler_version = "1.3.0"
+        activity = "1.5.1"
     }
 }
 plugins {
-    id "com.android.application" version "7.1.1" apply false
+    id "com.android.application" version "7.2.0" apply false
-    id "com.android.library" version "7.1.1" apply false
+    id "com.android.library" version "7.2.0" apply false
-    id "org.jetbrains.kotlin.android" version "1.6.21" apply false
+    id "org.jetbrains.kotlin.android" version "1.7.10" apply false
+    id "io.gitlab.arturbosch.detekt" version "1.21.0"
+    id "com.diffplug.spotless" version "6.5.1"
 }
 
-task clean(type: Delete) {
+configure(subprojects) {
-    delete rootProject.buildDir
+    apply plugin: "io.gitlab.arturbosch.detekt"
+    apply plugin: "com.diffplug.spotless"
+
+    spotless {
+        kotlin {
+            target("**/*.kt")
+            ktlint("0.43.2")
+        }
+    }
 }

config/detekt/detekt.yml

@@ -0,0 +1,684 @@
+build:
+  maxIssues: 0
+  excludeCorrectable: false
+  weights:
+  # complexity: 2
+  # LongParameterList: 1
+  # style: 1
+  # comments: 1
+
+config:
+  validation: true
+  warningsAsErrors: false
+  # when writing own rules with new properties, exclude the property path e.g.: 'my_rule_set,.*>.*>[my_property]'
+  excludes: ''
+
+processors:
+  active: true
+  exclude:
+    - 'DetektProgressListener'
+  # - 'KtFileCountProcessor'
+  # - 'PackageCountProcessor'
+  # - 'ClassCountProcessor'
+  # - 'FunctionCountProcessor'
+  # - 'PropertyCountProcessor'
+  # - 'ProjectComplexityProcessor'
+  # - 'ProjectCognitiveComplexityProcessor'
+  # - 'ProjectLLOCProcessor'
+  # - 'ProjectCLOCProcessor'
+  # - 'ProjectLOCProcessor'
+  # - 'ProjectSLOCProcessor'
+  # - 'LicenseHeaderLoaderExtension'
+
+console-reports:
+  active: true
+  exclude:
+    - 'ProjectStatisticsReport'
+    - 'ComplexityReport'
+    - 'NotificationReport'
+    - 'FindingsReport'
+    - 'FileBasedFindingsReport'
+  #  - 'LiteFindingsReport'
+
+output-reports:
+  active: true
+  exclude:
+  # - 'TxtOutputReport'
+  # - 'XmlOutputReport'
+  # - 'HtmlOutputReport'
+
+comments:
+  active: true
+  AbsentOrWrongFileLicense:
+    active: false
+    licenseTemplateFile: 'license.template'
+    licenseTemplateIsRegex: false
+  CommentOverPrivateFunction:
+    active: false
+  CommentOverPrivateProperty:
+    active: false
+  DeprecatedBlockTag:
+    active: false
+  EndOfSentenceFormat:
+    active: false
+    endOfSentenceFormat: '([.?!][ \t\n\r\f<])|([.?!:]$)'
+  OutdatedDocumentation:
+    active: false
+    matchTypeParameters: true
+    matchDeclarationsOrder: true
+    allowParamOnConstructorProperties: false
+  UndocumentedPublicClass:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    searchInNestedClass: true
+    searchInInnerClass: true
+    searchInInnerObject: true
+    searchInInnerInterface: true
+  UndocumentedPublicFunction:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+  UndocumentedPublicProperty:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+
+complexity:
+  active: true
+  ComplexCondition:
+    active: true
+    threshold: 4
+  ComplexInterface:
+    active: false
+    threshold: 10
+    includeStaticDeclarations: false
+    includePrivateDeclarations: false
+  ComplexMethod:
+    active: true
+    threshold: 15
+    ignoreSingleWhenExpression: false
+    ignoreSimpleWhenEntries: false
+    ignoreNestingFunctions: false
+    nestingFunctions:
+      - 'also'
+      - 'apply'
+      - 'forEach'
+      - 'isNotNull'
+      - 'ifNull'
+      - 'let'
+      - 'run'
+      - 'use'
+      - 'with'
+  LabeledExpression:
+    active: false
+    ignoredLabels: []
+  LargeClass:
+    active: true
+    threshold: 600
+  LongMethod:
+    active: true
+    threshold: 60
+  LongParameterList:
+    active: true
+    functionThreshold: 10
+    constructorThreshold: 7
+    ignoreDefaultParameters: false
+    ignoreDataClasses: true
+    ignoreAnnotated: [ 'Composable' ]
+    ignoreAnnotatedParameter: []
+  MethodOverloading:
+    active: false
+    threshold: 6
+  NamedArguments:
+    active: false
+    threshold: 3
+    ignoreArgumentsMatchingNames: false
+  NestedBlockDepth:
+    active: true
+    threshold: 4
+  ReplaceSafeCallChainWithRun:
+    active: false
+  StringLiteralDuplication:
+    active: false
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    threshold: 3
+    ignoreAnnotation: true
+    excludeStringsWithLessThan5Characters: true
+    ignoreStringsRegex: '$^'
+  TooManyFunctions:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    thresholdInFiles: 11
+    thresholdInClasses: 11
+    thresholdInInterfaces: 11
+    thresholdInObjects: 11
+    thresholdInEnums: 11
+    ignoreDeprecated: false
+    ignorePrivate: false
+    ignoreOverridden: false
+
+coroutines:
+  active: true
+  GlobalCoroutineUsage:
+    active: false
+  InjectDispatcher:
+    active: false
+    dispatcherNames:
+      - 'IO'
+      - 'Default'
+      - 'Unconfined'
+  RedundantSuspendModifier:
+    active: false
+  SleepInsteadOfDelay:
+    active: false
+  SuspendFunWithCoroutineScopeReceiver:
+    active: false
+  SuspendFunWithFlowReturnType:
+    active: false
+
+empty-blocks:
+  active: true
+  EmptyCatchBlock:
+    active: true
+    allowedExceptionNameRegex: '_|(ignore|expected).*'
+  EmptyClassBlock:
+    active: true
+  EmptyDefaultConstructor:
+    active: true
+  EmptyDoWhileBlock:
+    active: true
+  EmptyElseBlock:
+    active: true
+  EmptyFinallyBlock:
+    active: true
+  EmptyForBlock:
+    active: true
+  EmptyFunctionBlock:
+    active: true
+    ignoreOverridden: false
+  EmptyIfBlock:
+    active: true
+  EmptyInitBlock:
+    active: true
+  EmptyKtFile:
+    active: true
+  EmptySecondaryConstructor:
+    active: true
+  EmptyTryBlock:
+    active: true
+  EmptyWhenBlock:
+    active: true
+  EmptyWhileBlock:
+    active: true
+
+exceptions:
+  active: true
+  ExceptionRaisedInUnexpectedLocation:
+    active: true
+    methodNames:
+      - 'equals'
+      - 'finalize'
+      - 'hashCode'
+      - 'toString'
+  InstanceOfCheckForException:
+    active: false
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+  NotImplementedDeclaration:
+    active: false
+  ObjectExtendsThrowable:
+    active: false
+  PrintStackTrace:
+    active: true
+  RethrowCaughtException:
+    active: true
+  ReturnFromFinally:
+    active: true
+    ignoreLabeled: false
+  SwallowedException:
+    active: true
+    ignoredExceptionTypes:
+      - 'InterruptedException'
+      - 'MalformedURLException'
+      - 'NumberFormatException'
+      - 'ParseException'
+    allowedExceptionNameRegex: '_|(ignore|expected).*'
+  ThrowingExceptionFromFinally:
+    active: true
+  ThrowingExceptionInMain:
+    active: false
+  ThrowingExceptionsWithoutMessageOrCause:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    exceptions:
+      - 'ArrayIndexOutOfBoundsException'
+      - 'Exception'
+      - 'IllegalArgumentException'
+      - 'IllegalMonitorStateException'
+      - 'IllegalStateException'
+      - 'IndexOutOfBoundsException'
+      - 'NullPointerException'
+      - 'RuntimeException'
+      - 'Throwable'
+  ThrowingNewInstanceOfSameException:
+    active: true
+  TooGenericExceptionCaught:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    exceptionNames:
+      - 'ArrayIndexOutOfBoundsException'
+      - 'Error'
+      - 'Exception'
+      - 'IllegalMonitorStateException'
+      - 'IndexOutOfBoundsException'
+      - 'NullPointerException'
+      - 'RuntimeException'
+      - 'Throwable'
+    allowedExceptionNameRegex: '_|(ignore|expected).*'
+  TooGenericExceptionThrown:
+    active: true
+    exceptionNames:
+      - 'Error'
+      - 'Exception'
+      - 'RuntimeException'
+      - 'Throwable'
+
+naming:
+  active: true
+  BooleanPropertyNaming:
+    active: false
+    allowedPattern: '^(is|has|are)'
+    ignoreOverridden: true
+  ClassNaming:
+    active: true
+    classPattern: '[A-Z][a-zA-Z0-9]*'
+  ConstructorParameterNaming:
+    active: true
+    parameterPattern: '[a-z][A-Za-z0-9]*'
+    privateParameterPattern: '[a-z][A-Za-z0-9]*'
+    excludeClassPattern: '$^'
+    ignoreOverridden: true
+  EnumNaming:
+    active: true
+    enumEntryPattern: '[A-Z][_a-zA-Z0-9]*'
+  ForbiddenClassName:
+    active: false
+    forbiddenName: []
+  FunctionMaxLength:
+    active: false
+    maximumFunctionNameLength: 30
+  FunctionMinLength:
+    active: false
+    minimumFunctionNameLength: 3
+  FunctionNaming:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    functionPattern: '[a-z][a-zA-Z0-9]*'
+    excludeClassPattern: '$^'
+    ignoreOverridden: true
+    ignoreAnnotated: [ 'Composable' ]
+  FunctionParameterNaming:
+    active: true
+    parameterPattern: '[a-z][A-Za-z0-9]*'
+    excludeClassPattern: '$^'
+    ignoreOverridden: true
+  InvalidPackageDeclaration:
+    active: false
+    rootPackage: ''
+    requireRootInDeclaration: false
+  LambdaParameterNaming:
+    active: false
+    parameterPattern: '[a-z][A-Za-z0-9]*|_'
+  MatchingDeclarationName:
+    active: true
+    mustBeFirst: true
+  MemberNameEqualsClassName:
+    active: true
+    ignoreOverridden: true
+  NoNameShadowing:
+    active: false
+  NonBooleanPropertyPrefixedWithIs:
+    active: false
+  ObjectPropertyNaming:
+    active: true
+    constantPattern: '[A-Za-z][_A-Za-z0-9]*'
+    propertyPattern: '[A-Za-z][_A-Za-z0-9]*'
+    privatePropertyPattern: '(_)?[A-Za-z][_A-Za-z0-9]*'
+  PackageNaming:
+    active: true
+    packagePattern: '[a-z]+(\.[a-z][A-Za-z0-9]*)*'
+  TopLevelPropertyNaming:
+    active: true
+    constantPattern: '[A-Z][A-Za-z0-9]*'
+    propertyPattern: '[A-Za-z][_A-Za-z0-9]*'
+    privatePropertyPattern: '_?[A-Za-z][_A-Za-z0-9]*'
+  VariableMaxLength:
+    active: false
+    maximumVariableNameLength: 64
+  VariableMinLength:
+    active: false
+    minimumVariableNameLength: 1
+  VariableNaming:
+    active: true
+    variablePattern: '[a-z][A-Za-z0-9]*'
+    privateVariablePattern: '(_)?[a-z][A-Za-z0-9]*'
+    excludeClassPattern: '$^'
+    ignoreOverridden: true
+
+performance:
+  active: true
+  ArrayPrimitive:
+    active: true
+  ForEachOnRange:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+  SpreadOperator:
+    active: false
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+  UnnecessaryTemporaryInstantiation:
+    active: true
+
+potential-bugs:
+  active: true
+  AvoidReferentialEquality:
+    active: false
+    forbiddenTypePatterns:
+      - 'kotlin.String'
+  CastToNullableType:
+    active: false
+  Deprecation:
+    active: false
+  DontDowncastCollectionTypes:
+    active: false
+  DoubleMutabilityForCollection:
+    active: false
+    mutableTypes:
+      - 'kotlin.collections.MutableList'
+      - 'kotlin.collections.MutableMap'
+      - 'kotlin.collections.MutableSet'
+      - 'java.util.ArrayList'
+      - 'java.util.LinkedHashSet'
+      - 'java.util.HashSet'
+      - 'java.util.LinkedHashMap'
+      - 'java.util.HashMap'
+  DuplicateCaseInWhenExpression:
+    active: true
+  ElseCaseInsteadOfExhaustiveWhen:
+    active: false
+  EqualsAlwaysReturnsTrueOrFalse:
+    active: true
+  EqualsWithHashCodeExist:
+    active: true
+  ExitOutsideMain:
+    active: false
+  ExplicitGarbageCollectionCall:
+    active: true
+  HasPlatformType:
+    active: false
+  IgnoredReturnValue:
+    active: false
+    restrictToAnnotatedMethods: true
+    returnValueAnnotations:
+      - '*.CheckResult'
+      - '*.CheckReturnValue'
+    ignoreReturnValueAnnotations:
+      - '*.CanIgnoreReturnValue'
+    ignoreFunctionCall: []
+  ImplicitDefaultLocale:
+    active: true
+  ImplicitUnitReturnType:
+    active: false
+    allowExplicitReturnType: true
+  InvalidRange:
+    active: true
+  IteratorHasNextCallsNextMethod:
+    active: true
+  IteratorNotThrowingNoSuchElementException:
+    active: true
+  LateinitUsage:
+    active: false
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    ignoreOnClassesPattern: ''
+  MapGetWithNotNullAssertionOperator:
+    active: false
+  MissingPackageDeclaration:
+    active: false
+    excludes: ['**/*.kts']
+  MissingWhenCase:
+    active: true
+    allowElseExpression: true
+  NullCheckOnMutableProperty:
+    active: false
+  NullableToStringCall:
+    active: false
+  RedundantElseInWhen:
+    active: true
+  UnconditionalJumpStatementInLoop:
+    active: false
+  UnnecessaryNotNullOperator:
+    active: true
+  UnnecessarySafeCall:
+    active: true
+  UnreachableCatchBlock:
+    active: false
+  UnreachableCode:
+    active: true
+  UnsafeCallOnNullableType:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+  UnsafeCast:
+    active: true
+  UnusedUnaryOperator:
+    active: false
+  UselessPostfixExpression:
+    active: false
+  WrongEqualsTypeParameter:
+    active: true
+
+style:
+  active: true
+  CanBeNonNullable:
+    active: false
+  ClassOrdering:
+    active: false
+  CollapsibleIfStatements:
+    active: false
+  DataClassContainsFunctions:
+    active: false
+    conversionFunctionPrefix: 'to'
+  DataClassShouldBeImmutable:
+    active: false
+  DestructuringDeclarationWithTooManyEntries:
+    active: false
+    maxDestructuringEntries: 3
+  EqualsNullCall:
+    active: true
+  EqualsOnSignatureLine:
+    active: false
+  ExplicitCollectionElementAccessMethod:
+    active: false
+  ExplicitItLambdaParameter:
+    active: false
+  ExpressionBodySyntax:
+    active: false
+    includeLineWrapping: false
+  ForbiddenComment:
+    active: true
+    values:
+      - 'FIXME:'
+      - 'STOPSHIP:'
+      - 'TODO:'
+    allowedPatterns: ''
+    customMessage: ''
+  ForbiddenImport:
+    active: false
+    imports: []
+    forbiddenPatterns: ''
+  ForbiddenMethodCall:
+    active: false
+    methods:
+      - 'kotlin.io.print'
+      - 'kotlin.io.println'
+  ForbiddenPublicDataClass:
+    active: true
+    excludes: ['**']
+    ignorePackages:
+      - '*.internal'
+      - '*.internal.*'
+  ForbiddenVoid:
+    active: false
+    ignoreOverridden: false
+    ignoreUsageInGenerics: false
+  FunctionOnlyReturningConstant:
+    active: true
+    ignoreOverridableFunction: true
+    ignoreActualFunction: true
+    excludedFunctions: ''
+  LibraryCodeMustSpecifyReturnType:
+    active: true
+    excludes: ['**']
+  LibraryEntitiesShouldNotBePublic:
+    active: true
+    excludes: ['**']
+  LoopWithTooManyJumpStatements:
+    active: true
+    maxJumpCount: 1
+  MagicNumber:
+    active: false
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    ignoreNumbers:
+      - '-1'
+      - '0'
+      - '1'
+      - '2'
+    ignoreHashCodeFunction: true
+    ignorePropertyDeclaration: false
+    ignoreLocalVariableDeclaration: false
+    ignoreConstantDeclaration: true
+    ignoreCompanionObjectPropertyDeclaration: true
+    ignoreAnnotation: false
+    ignoreNamedArgument: true
+    ignoreEnums: false
+    ignoreRanges: false
+    ignoreExtensionFunctions: true
+  MandatoryBracesIfStatements:
+    active: false
+  MandatoryBracesLoops:
+    active: false
+  MaxLineLength:
+    active: true
+    maxLineLength: 120
+    excludePackageStatements: true
+    excludeImportStatements: true
+    excludeCommentStatements: false
+  MayBeConst:
+    active: true
+  ModifierOrder:
+    active: true
+  MultilineLambdaItParameter:
+    active: false
+  NestedClassesVisibility:
+    active: true
+  NewLineAtEndOfFile:
+    active: true
+  NoTabs:
+    active: false
+  ObjectLiteralToLambda:
+    active: false
+  OptionalAbstractKeyword:
+    active: true
+  OptionalUnit:
+    active: false
+  OptionalWhenBraces:
+    active: false
+  PreferToOverPairSyntax:
+    active: false
+  ProtectedMemberInFinalClass:
+    active: true
+  RedundantExplicitType:
+    active: false
+  RedundantHigherOrderMapUsage:
+    active: false
+  RedundantVisibilityModifierRule:
+    active: false
+  ReturnCount:
+    active: true
+    max: 2
+    excludedFunctions: 'equals'
+    excludeLabeled: false
+    excludeReturnFromLambda: true
+    excludeGuardClauses: false
+  SafeCast:
+    active: true
+  SerialVersionUIDInSerializableClass:
+    active: true
+  SpacingBetweenPackageAndImports:
+    active: false
+  ThrowsCount:
+    active: true
+    max: 2
+    excludeGuardClauses: false
+  TrailingWhitespace:
+    active: false
+  UnderscoresInNumericLiterals:
+    active: false
+    acceptableLength: 4
+    allowNonStandardGrouping: false
+  UnnecessaryAbstractClass:
+    active: true
+  UnnecessaryAnnotationUseSiteTarget:
+    active: false
+  UnnecessaryApply:
+    active: true
+  UnnecessaryFilter:
+    active: false
+  UnnecessaryInheritance:
+    active: true
+  UnnecessaryInnerClass:
+    active: false
+  UnnecessaryLet:
+    active: false
+  UnnecessaryParentheses:
+    active: false
+  UntilInsteadOfRangeTo:
+    active: false
+  UnusedImports:
+    active: false
+  UnusedPrivateClass:
+    active: true
+  UnusedPrivateMember:
+    active: true
+    allowedNames: '(_|ignored|expected|serialVersionUID)'
+  UseAnyOrNoneInsteadOfFind:
+    active: false
+  UseArrayLiteralsInAnnotations:
+    active: false
+  UseCheckNotNull:
+    active: false
+  UseCheckOrError:
+    active: false
+  UseDataClass:
+    active: false
+    allowVars: false
+  UseEmptyCounterpart:
+    active: false
+  UseIfEmptyOrIfBlank:
+    active: false
+  UseIfInsteadOfWhen:
+    active: false
+  UseIsNullOrEmpty:
+    active: false
+  UseOrEmpty:
+    active: false
+  UseRequire:
+    active: false
+  UseRequireNotNull:
+    active: false
+  UselessCallOnNotNull:
+    active: true
+  UtilityClassWithPublicConstructor:
+    active: true
+  VarCouldBeVal:
+    active: true
+  WildcardImport:
+    active: true
+    excludes: ['**/test/**', '**/androidTest/**', '**/commonTest/**', '**/jvmTest/**', '**/jsTest/**', '**/iosTest/**']
+    excludeImports:
+      - 'java.util.*'

demo/build.gradle

@@ -38,7 +38,7 @@ android {
         compose true
     }
     composeOptions {
-        kotlinCompilerExtensionVersion compose_version
+        kotlinCompilerExtensionVersion compose_compiler_version
     }
     packagingOptions {
         resources {

demo/src/main/kotlin/eu/wewox/pagecurl/HowToPageData.kt

@@ -1,9 +1,18 @@
+@file:Suppress("MaxLineLength", "UndocumentedPublicProperty")
+
 package eu.wewox.pagecurl
 
+/**
+ * The model for data for the page.
+ *
+ * @property title The title to show on the page.
+ * @property message The message to show on the page.
+ */
 data class HowToPageData(
     val title: String,
     val message: String,
 ) {
+
     companion object {
         val simpleHowToPages = listOf(
             HowToPageData(

demo/src/main/kotlin/eu/wewox/pagecurl/components/HowToPage.kt

@@ -18,6 +18,13 @@ import eu.wewox.pagecurl.HowToPageData
 import eu.wewox.pagecurl.ui.SpacingLarge
 import eu.wewox.pagecurl.ui.SpacingMedium
 
+/**
+ * The simple page to use for demo purposes.
+ *
+ * @param index The index of the page to show a page number in the bottom.
+ * @param page The page data to show.
+ * @param modifier The modifier for this composable.
+ */
 @Composable
 fun HowToPage(
     index: Int,

demo/src/main/kotlin/eu/wewox/pagecurl/components/ZoomOutLayout.kt

@@ -20,6 +20,15 @@ import androidx.compose.ui.unit.dp
 import eu.wewox.pagecurl.ExperimentalPageCurlApi
 import eu.wewox.pagecurl.config.PageCurlConfig
 
+/**
+ * Layout which could be zoomed out and zoomed in to show / hide the [bottom] bar.
+ *
+ * @param zoomOut True when layout is zoomed out.
+ * @param config The [PageCurlConfig] to turn off interactions in the page curl.
+ * @param bottom The content of the bottom bar.
+ * @param modifier The modifier for this composable.
+ * @param pageCurl The content where PageCurl should be placed.
+ */
 @Composable
 fun ZoomOutLayout(
     zoomOut: Boolean,
@@ -29,7 +38,7 @@ fun ZoomOutLayout(
     pageCurl: @Composable () -> Unit,
 ) {
     // Disable all state interactions when PageCurl is zoomed out
-    LaunchedEffect(zoomOut) {
+    LaunchedEffect(zoomOut, config) {
         with(config) {
             dragForwardEnabled = !zoomOut
             dragBackwardEnabled = !zoomOut
@@ -54,9 +63,8 @@ fun ZoomOutLayout(
     }
 }
 
-
 @Composable
-fun ZoomOutLayout(
+private fun ZoomOutLayout(
     zoomOut: Boolean,
     bottom: @Composable () -> Unit,
     modifier: Modifier = Modifier,

demo/src/main/kotlin/eu/wewox/pagecurl/screens/BackPagePageCurlScreen.kt

@@ -1,4 +1,5 @@
 @file:OptIn(ExperimentalPageCurlApi::class)
+@file:Suppress("MagicNumber")
 
 package eu.wewox.pagecurl.screens
 
@@ -42,6 +43,10 @@ import eu.wewox.pagecurl.ui.SpacingLarge
 import eu.wewox.pagecurl.ui.SpacingMedium
 import eu.wewox.pagecurl.ui.SpacingSmall
 
+/**
+ * Back-Page Configuration in Page Curl.
+ * Example how to customize the back-page (the back of the page user see during the drag or animation).
+ */
 @Composable
 fun BackPagePageCurlScreen() {
     Box(Modifier.fillMaxSize()) {
@@ -86,7 +91,7 @@ private fun SettingsRow(
     Column(
         modifier = modifier
             .fillMaxWidth()
-            .padding(vertical = SpacingMedium)
+            .padding(vertical = SpacingLarge)
     ) {
         Text(
             text = "Alpha",

demo/src/main/kotlin/eu/wewox/pagecurl/screens/InteractionConfigInPageCurl.kt

@@ -38,6 +38,10 @@ import eu.wewox.pagecurl.ui.SpacingLarge
 import eu.wewox.pagecurl.ui.SpacingMedium
 import eu.wewox.pagecurl.ui.SpacingSmall
 
+/**
+ * Interactions Configurations In Page Curl.
+ * Example interactions (drag / tap) can be customized.
+ */
 @Composable
 fun InteractionConfigInPageCurlScreen() {
     Box(Modifier.fillMaxSize()) {
@@ -114,37 +118,48 @@ private fun SettingsRow(
             }
         }
 
-        when (selectedOption) {
+        SettingsRowSlider(
-            InteractionOption.Drag -> {
+            selectedOption = selectedOption,
-                Slider(
+            config = config,
-                    value = config.dragForwardInteraction.start.left,
+        )
-                    onValueChange = {
+    }
-                        config.dragForwardInteraction = PageCurlConfig.DragInteraction(
+}
-                            Rect(it, 0.0f, 1.0f, 1.0f),
+
-                            Rect(0.0f, 0.0f, it, 1.0f)
+@Composable
-                        )
+private fun SettingsRowSlider(
-                        config.dragBackwardInteraction = PageCurlConfig.DragInteraction(
+    selectedOption: InteractionOption,
-                            Rect(0.0f, 0.0f, it, 1.0f),
+    config: PageCurlConfig,
-                            Rect(it, 0.0f, 1.0f, 1.0f),
+) {
-                        )
+    when (selectedOption) {
-                    },
+        InteractionOption.Drag -> {
-                    modifier = Modifier.fillMaxWidth()
+            Slider(
-                )
+                value = config.dragForwardInteraction.start.left,
-            }
+                onValueChange = {
-            InteractionOption.Tap -> {
+                    config.dragForwardInteraction = PageCurlConfig.DragInteraction(
-                Slider(
+                        Rect(it, 0.0f, 1.0f, 1.0f),
-                    value = config.tapForwardInteraction.target.left,
+                        Rect(0.0f, 0.0f, it, 1.0f)
-                    onValueChange = {
+                    )
-                        config.tapForwardInteraction = PageCurlConfig.TapInteraction(
+                    config.dragBackwardInteraction = PageCurlConfig.DragInteraction(
-                            Rect(it, 0.0f, 1.0f, 1.0f),
+                        Rect(0.0f, 0.0f, it, 1.0f),
-                        )
+                        Rect(it, 0.0f, 1.0f, 1.0f),
-                        config.tapBackwardInteraction = PageCurlConfig.TapInteraction(
+                    )
-                            Rect(0.0f, 0.0f, it, 1.0f),
+                },
-                        )
+                modifier = Modifier.fillMaxWidth()
-                    },
+            )
-                    modifier = Modifier.fillMaxWidth()
+        }
-                )
+        InteractionOption.Tap -> {
-            }
+            Slider(
+                value = config.tapForwardInteraction.target.left,
+                onValueChange = {
+                    config.tapForwardInteraction = PageCurlConfig.TapInteraction(
+                        Rect(it, 0.0f, 1.0f, 1.0f),
+                    )
+                    config.tapBackwardInteraction = PageCurlConfig.TapInteraction(
+                        Rect(0.0f, 0.0f, it, 1.0f),
+                    )
+                },
+                modifier = Modifier.fillMaxWidth()
+            )
         }
     }
 }

demo/src/main/kotlin/eu/wewox/pagecurl/screens/SettingsPageCurlScreen.kt

@@ -22,6 +22,10 @@ import eu.wewox.pagecurl.config.rememberPageCurlConfig
 import eu.wewox.pagecurl.page.PageCurl
 import eu.wewox.pagecurl.page.rememberPageCurlState
 
+/**
+ * Page Curl With Settings.
+ * Showcases how individual interactions can be toggled on / off.
+ */
 @Composable
 fun SettingsPageCurlScreen() {
     Box(Modifier.fillMaxSize()) {

demo/src/main/kotlin/eu/wewox/pagecurl/screens/ShadowInPageCurlScreen.kt

@@ -1,4 +1,5 @@
 @file:OptIn(ExperimentalPageCurlApi::class)
+@file:Suppress("MagicNumber")
 
 package eu.wewox.pagecurl.screens
 
@@ -29,6 +30,10 @@ import eu.wewox.pagecurl.page.PageCurl
 import eu.wewox.pagecurl.page.rememberPageCurlState
 import eu.wewox.pagecurl.ui.SpacingLarge
 
+/**
+ * Shadow Configuration in Page Curl.
+ * Example how to customize shadow of the page.
+ */
 @Composable
 fun ShadowInPageCurlScreen() {
     Box(Modifier.fillMaxSize()) {

demo/src/main/kotlin/eu/wewox/pagecurl/screens/SimplePageCurlScreen.kt

@@ -13,6 +13,10 @@ import eu.wewox.pagecurl.components.HowToPage
 import eu.wewox.pagecurl.page.PageCurl
 import eu.wewox.pagecurl.page.rememberPageCurlState
 
+/**
+ * Page Curl With Settings.
+ * Showcases how individual interactions can be toggled on / off.
+ */
 @Composable
 fun SimplePageCurlScreen() {
     Box(Modifier.fillMaxSize()) {

demo/src/main/kotlin/eu/wewox/pagecurl/screens/StateInPageCurlScreen.kt

@@ -35,6 +35,10 @@ import eu.wewox.pagecurl.ui.SpacingLarge
 import eu.wewox.pagecurl.ui.SpacingMedium
 import kotlinx.coroutines.launch
 
+/**
+ * Page Curl With State Management.
+ * Example how state can be used to change current page (snap / animate).
+ */
 @Composable
 fun StateInPageCurlScreen() {
     Box(Modifier.fillMaxSize()) {

demo/src/main/kotlin/eu/wewox/pagecurl/ui/theme/Color.kt

@@ -1,3 +1,5 @@
+@file:Suppress("UndocumentedPublicProperty")
+
 package eu.wewox.pagecurl.ui.theme
 
 import androidx.compose.ui.graphics.Color
@@ -5,4 +7,4 @@ import androidx.compose.ui.graphics.Color
 val Purple200 = Color(0xFFBB86FC)
 val Purple500 = Color(0xFF6200EE)
 val Purple700 = Color(0xFF3700B3)
-val Teal200 = Color(0xFF03DAC5)
+val Teal200 = Color(0xFF03DAC5)

demo/src/main/kotlin/eu/wewox/pagecurl/ui/theme/Shape.kt

@@ -4,8 +4,11 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.Shapes
 import androidx.compose.ui.unit.dp
 
+/**
+ * The application shapes.
+ */
 val Shapes = Shapes(
     small = RoundedCornerShape(4.dp),
     medium = RoundedCornerShape(4.dp),
     large = RoundedCornerShape(0.dp)
-)
+)

demo/src/main/kotlin/eu/wewox/pagecurl/ui/theme/Theme.kt

@@ -2,6 +2,7 @@ package eu.wewox.pagecurl.ui.theme
 
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Typography
 import androidx.compose.material.darkColors
 import androidx.compose.material.lightColors
 import androidx.compose.runtime.Composable
@@ -9,24 +10,18 @@ import androidx.compose.runtime.Composable
 private val DarkColorPalette = darkColors(
     primary = Purple200,
     primaryVariant = Purple700,
-    secondary = Teal200
+    secondary = Teal200,
 )
 
 private val LightColorPalette = lightColors(
     primary = Purple500,
     primaryVariant = Purple700,
-    secondary = Teal200
+    secondary = Teal200,
-
-    /* Other default colors to override
-    background = Color.White,
-    surface = Color.White,
-    onPrimary = Color.White,
-    onSecondary = Color.Black,
-    onBackground = Color.Black,
-    onSurface = Color.Black,
-    */
 )
 
+/**
+ * The theme to use for demo application.
+ */
 @Composable
 fun PageCurlTheme(darkTheme: Boolean = isSystemInDarkTheme(), content: @Composable () -> Unit) {
     val colors = if (darkTheme) {
@@ -37,8 +32,8 @@ fun PageCurlTheme(darkTheme: Boolean = isSystemInDarkTheme(), content: @Composab
 
     MaterialTheme(
         colors = colors,
-        typography = Typography,
+        typography = Typography(),
         shapes = Shapes,
         content = content
     )
-}
+}

demo/src/main/kotlin/eu/wewox/pagecurl/ui/theme/Type.kt

@@ -1,28 +0,0 @@
-package eu.wewox.pagecurl.ui.theme
-
-import androidx.compose.material.Typography
-import androidx.compose.ui.text.TextStyle
-import androidx.compose.ui.text.font.FontFamily
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.sp
-
-// Set of Material typography styles to start with
-val Typography = Typography(
-    body1 = TextStyle(
-        fontFamily = FontFamily.Default,
-        fontWeight = FontWeight.Normal,
-        fontSize = 16.sp
-    )
-    /* Other default text styles to override
-    button = TextStyle(
-        fontFamily = FontFamily.Default,
-        fontWeight = FontWeight.W500,
-        fontSize = 14.sp
-    ),
-    caption = TextStyle(
-        fontFamily = FontFamily.Default,
-        fontWeight = FontWeight.Normal,
-        fontSize = 12.sp
-    )
-    */
-)

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Tue Mar 22 09:36:17 CET 2022
+#Thu Aug 18 14:58:20 CEST 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME

pagecurl/build.gradle

@@ -27,7 +27,7 @@ android {
         compose true
     }
     composeOptions {
-        kotlinCompilerExtensionVersion compose_version
+        kotlinCompilerExtensionVersion compose_compiler_version
     }
     kotlinOptions {
         jvmTarget = "1.8"

pagecurl/src/main/kotlin/eu/wewox/pagecurl/config/PageCurlConfig.kt

@@ -1,3 +1,5 @@
+@file:Suppress("LongParameterList", "LongMethod")
+
 package eu.wewox.pagecurl.config
 
 import androidx.compose.runtime.Composable

pagecurl/src/main/kotlin/eu/wewox/pagecurl/page/PageCurlState.kt

@@ -63,6 +63,7 @@ public fun rememberPageCurlState(
  * The state of the PageCurl.
  *
  * @property max The max number of pages.
+ * @property config The configuration for PageCurl.
  * @param initialCurrent The initial current page.
  */
 @ExperimentalPageCurlApi

pagecurl/src/main/kotlin/eu/wewox/pagecurl/page/TapGesture.kt

@@ -38,7 +38,11 @@ internal fun Modifier.tapGesture(
                 return@awaitPointerEventScope
             }
 
-            if (config.tapBackwardEnabled && config.tapBackwardInteraction.target.multiply(size).contains(up.position)) {
+            if (config.tapBackwardEnabled &&
+                config.tapBackwardInteraction.target
+                    .multiply(size)
+                    .contains(up.position)
+            ) {
                 scope.launch {
                     onTapBackward()
                 }

pagecurl/src/main/kotlin/eu/wewox/pagecurl/utils/MathUtils.kt

@@ -19,9 +19,12 @@ internal fun lineLineIntersection(
     val denominator = (line1a.x - line1b.x) * (line2a.y - line2b.y) - (line1a.y - line1b.y) * (line2a.x - line2b.x)
     if (denominator == 0f) return null
 
-    val x = ((line1a.x * line1b.y - line1a.y * line1b.x) * (line2a.x - line2b.x) -
+    val x1 = (line1a.x * line1b.y - line1a.y * line1b.x) * (line2a.x - line2b.x)
-        (line1a.x - line1b.x) * (line2a.x * line2b.y - line2a.y * line2b.x)) / denominator
+    val x2 = (line1a.x - line1b.x) * (line2a.x * line2b.y - line2a.y * line2b.x)
-    val y = ((line1a.x * line1b.y - line1a.y * line1b.x) * (line2a.y - line2b.y) -
+    val x = (x1 - x2) / denominator
-        (line1a.y - line1b.y) * (line2a.x * line2b.y - line2a.y * line2b.x)) / denominator
+
+    val y1 = (line1a.x * line1b.y - line1a.y * line1b.x) * (line2a.y - line2b.y)
+    val y2 = (line1a.y - line1b.y) * (line2a.x * line2b.y - line2a.y * line2b.x)
+    val y = (y1 - y2) / denominator
     return Offset(x, y)
 }