                        課程
                    
                        /移動開發
                        
                            /Android
                        
                        /Android猜歌游戲是這樣煉成的

項目空指針異常崩潰

?Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.LinearLayout.addView(android.view.View, android.view.ViewGroup$LayoutParams)' on a null object reference

? ? ? ? at com.imooc.guessmusic.ui.MainActivity.initCurrentStageData(MainActivity.java:183)

? ? ? ? at com.imooc.guessmusic.ui.MainActivity.onCreate(MainActivity.java:151)