Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Stri
安卓开发问题集锦:Caused by: java.lang.NullPointerException: Attempt to invoke virtual method ‘boolean java.lang.String.equals(java.lang.Object)’ on a null object reference问题现象: 打开Activity出现闪退,并抛出以上异常,通...
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2019-03-15 09:04:06 ·
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