android設置listAdapter報錯Attempt to invoke virtual method ‘int android.view.View.getImportantForAcces

android 報錯： java.lang.NullPointerException: Attempt to invoke virtual method ‘int android.view.View.getImportantForAccessibility()’ on a null object reference 這是我學習android入門基礎看的視頻 點擊開始運行項目 出來模擬器報錯open

>>阅读原文<<