小编Loo*_* CM的帖子

今天升级 Android Studio 2.3 后？构建我的项目失败。

当构建项目 gradle 控制台显示此错误时：

FAILURE: Build failed with an exception.

What went wrong:
Execution failed for task ':app:compileChildrenDebugJavaWithJavac'.
 java.lang.RuntimeException: failure, see logs for details.
cannot generate view binders java.lang.ClassCastException: android.databinding.tool.expr.IdentifierExpr cannot be cast to android.databinding.tool.expr.StaticIdentifierExpr
    at android.databinding.tool.expr.ExprModel.staticIdentifier(ExprModel.java:194)
    at android.databinding.tool.expr.ExprModel.addImport(ExprModel.java:352)
    at android.databinding.tool.expr.ExprModel.staticIdentifierFor(ExprModel.java:270)
    at android.databinding.tool.expr.FieldAccessExpr.replaceStaticIdentifier(FieldAccessExpr.java:270)
    at android.databinding.tool.expr.FieldAccessExpr.resolveType(FieldAccessExpr.java:256)
    at android.databinding.tool.expr.Expr.getResolvedType(Expr.java:359)
    at android.databinding.tool.expr.Expr.unwrapChildTo(Expr.java:887)
    at android.databinding.tool.expr.Expr.unwrapObservableFieldChildren(Expr.java:873)
    at android.databinding.tool.expr.Expr.getResolvedType(Expr.java:353)
    at android.databinding.tool.expr.Expr.unwrapChildTo(Expr.java:887)
    at android.databinding.tool.expr.Expr.unwrapObservableFieldChildren(Expr.java:873)
    at android.databinding.tool.expr.Expr.getResolvedType(Expr.java:353)
    at android.databinding.tool.BindingTarget.resolveMultiSetters(BindingTarget.java:214)
    at android.databinding.tool.LayoutBinder.<init>(LayoutBinder.java:249)
    at android.databinding.tool.DataBinder.<init>(DataBinder.java:52)
    at android.databinding.tool.CompilerChef.ensureDataBinder(CompilerChef.java:88)
    at android.databinding.tool.CompilerChef.sealModels(CompilerChef.java:187)
    at android.databinding.annotationprocessor.ProcessExpressions.writeResourceBundle(ProcessExpressions.java:184)
    at android.databinding.annotationprocessor.ProcessExpressions.onHandleStep(ProcessExpressions.java:86)
    at android.databinding.annotationprocessor.ProcessDataBinding$ProcessingStep.runStep(ProcessDataBinding.java:189)
    at …