com.android.tools.lint.checks

Class UselessViewDetector

java.lang.Object

com.android.tools.lint.detector.api.Detector

com.android.tools.lint.detector.api.ResourceXmlDetector

com.android.tools.lint.detector.api.LayoutDetector

com.android.tools.lint.checks.UselessViewDetector

All Implemented Interfaces:

com.android.tools.lint.detector.api.FileScanner, com.android.tools.lint.detector.api.XmlScanner, com.android.tools.lint.detector.api.XmlScannerConstants

public class UselessViewDetector
extends com.android.tools.lint.detector.api.LayoutDetector

Checks whether the current node can be removed without affecting the layout.

Nested Class Summary

Nested classes/interfaces inherited from class com.android.tools.lint.detector.api.Detector

com.android.tools.lint.detector.api.Detector.BinaryResourceScanner, com.android.tools.lint.detector.api.Detector.ClassScanner, com.android.tools.lint.detector.api.Detector.GradleScanner, com.android.tools.lint.detector.api.Detector.OtherFileScanner, com.android.tools.lint.detector.api.Detector.ResourceFolderScanner, com.android.tools.lint.detector.api.Detector.UastScanner, com.android.tools.lint.detector.api.Detector.XmlScanner

Field Summary

Fields

Modifier and Type	Field and Description
static com.android.tools.lint.detector.api.Issue	USELESS_LEAF Issue of including a leaf that isn't shown
static com.android.tools.lint.detector.api.Issue	USELESS_PARENT Issue of including a parent that has no value on its own

Fields inherited from interface com.android.tools.lint.detector.api.XmlScannerConstants

ALL

Constructor Summary

Constructors

Constructor and Description
UselessViewDetector() Constructs a new UselessViewDetector

Method Summary

Modifier and Type	Method and Description
java.util.Collection<java.lang.String>	getApplicableElements()
void	visitElement(com.android.tools.lint.detector.api.XmlContext context, org.w3c.dom.Element element)

Methods inherited from class com.android.tools.lint.detector.api.LayoutDetector

appliesTo

Methods inherited from class com.android.tools.lint.detector.api.ResourceXmlDetector

run

Methods inherited from class com.android.tools.lint.detector.api.Detector

afterCheckEachProject, afterCheckFile, afterCheckLibraryProject, afterCheckProject, afterCheckRootProject, analyzeCallGraph, applicableAnnotations, applicableSuperClasses, appliesTo, appliesToResourceRefs, beforeCheckEachProject, beforeCheckFile, beforeCheckLibraryProject, beforeCheckProject, beforeCheckRootProject, checkBinaryResource, checkCall, checkClass, checkClass, checkDslPropertyAssignment, checkDslPropertyAssignment, checkFolder, checkInstruction, checkMethodCall, createPsiVisitor, createUastHandler, fix, getApplicableAsmNodeTypes, getApplicableAttributes, getApplicableCallNames, getApplicableCallOwners, getApplicableConstructorTypes, getApplicableFiles, getApplicableMethodNames, getApplicablePsiTypes, getApplicableReferenceNames, getApplicableUastTypes, getCustomVisitor, getSpeed, inheritAnnotation, isApplicableAnnotationUsage, isCallGraphRequired, visitAnnotationUsage, visitAnnotationUsage, visitAttribute, visitBuildScript, visitClass, visitClass, visitConstructor, visitConstructor, visitDocument, visitElementAfter, visitMethod, visitMethod, visitMethodCall, visitReference, visitReference, visitResourceReference, visitResourceReference

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.android.tools.lint.detector.api.XmlScanner

getApplicableAttributes, visitAttribute, visitDocument, visitElementAfter

Methods inherited from interface com.android.tools.lint.detector.api.FileScanner

afterCheckFile, beforeCheckFile

Field Detail

USELESS_PARENT

public static final com.android.tools.lint.detector.api.Issue USELESS_PARENT

Issue of including a parent that has no value on its own

USELESS_LEAF

public static final com.android.tools.lint.detector.api.Issue USELESS_LEAF

Issue of including a leaf that isn't shown

Constructor Detail

UselessViewDetector

public UselessViewDetector()

Constructs a new UselessViewDetector

Method Detail

getApplicableElements

public java.util.Collection<java.lang.String> getApplicableElements()

Specified by:

getApplicableElements in interface com.android.tools.lint.detector.api.XmlScanner

Overrides:

getApplicableElements in class com.android.tools.lint.detector.api.Detector

visitElement

public void visitElement(@NonNull
                         com.android.tools.lint.detector.api.XmlContext context,
                         @NonNull
                         org.w3c.dom.Element element)

Specified by:

visitElement in interface com.android.tools.lint.detector.api.XmlScanner

Overrides:

visitElement in class com.android.tools.lint.detector.api.Detector