java.lang.ClassCastException: android.widget.ImageButton cannot be cast to android.wid
2017-01-17 10:31
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类型转换异常
一般出现这种异常,通常是xml中声明的控件类型和你对应的java文件中声明的(就是那个findviewbyid的声明类型)类型不一致,举个例子,你想在java类文件中引用xml中的imagebutton,结果你却private button;然后(button)findviewbyid(r.id.imagebutton);
英文的意思是控件类型不能转成指定的类型。
一般出现这种异常,通常是xml中声明的控件类型和你对应的java文件中声明的(就是那个findviewbyid的声明类型)类型不一致,举个例子,你想在java类文件中引用xml中的imagebutton,结果你却private button;然后(button)findviewbyid(r.id.imagebutton);
英文的意思是控件类型不能转成指定的类型。
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