要自定义Android Lint检查UCallExpression方法接收者的类型,可以按照以下步骤进行操作:
Detector
和UElementVisitor
类。public class CustomLintCheck extends Detector implements Detector.UastScanner {
@Override
public List getApplicableMethodNames() {
return Collections.singletonList("UCallExpression");
}
@Override
public void visitMethodCall(@NonNull JavaContext context, @NonNull UCallExpression node, @NonNull PsiMethod method) {
// 获取方法调用的接收者类型
UExpression receiver = node.getReceiver();
if (receiver != null) {
UTypeReferenceExpression typeReference = receiver.getExpressionType();
if (typeReference != null) {
String receiverType = typeReference.getType().getCanonicalText();
// 检查接收者的类型
if (!receiverType.equals("ExpectedReceiverType")) {
context.report(ISSUE, node, context.getLocation(node),
"Invalid receiver type");
}
}
}
}
}
IssueRegistry
类。public class CustomIssueRegistry extends IssueRegistry {
@Override
public List getIssues() {
return Collections.singletonList(CustomLintCheck.ISSUE);
}
}
public class CustomIssue {
public static final Issue ISSUE = Issue.create(
"CustomLintCheck",
"Invalid method call receiver type",
"The receiver type of the method call is invalid.",
Category.CORRECTNESS,
7,
Severity.ERROR,
new Implementation(
CustomLintCheck.class,
Scope.JAVA_FILE_SCOPE));
}
lint.xml
文件中注册自定义Lint规则。
将以上代码添加到Android项目中,然后编译项目。在编译完成后,可以在Android Studio的Lint工具窗口中看到自定义Lint规则的错误提示。
注意,上述代码中的"ExpectedReceiverType"需要替换为你自己期望的方法接收者类型。另外,还可以根据需要定制其他Lint规则的检查逻辑和错误提示信息。