我是用eclipse寫的，代碼沒問題，就是空指針
java.lang.NullPointerException
??? at android.graphics.Bitmap.createScaledBitmap(Bitmap.java:596)
??? at com.game.wuziqi.WuziQiPanel.onSizeChanged(WuziQiPanel.java:95)
??? at android.view.View.sizeChange(View.java:15703)
??? at android.view.View.setFrame(View.java:15676)
??? at android.view.View.layout(View.java:15592)
??? at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1076)
??? at android.view.View.layout(View.java:15596)
??? at android.view.ViewGroup.layout(ViewGroup.java:4966)
??? at android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
??? at android.widget.FrameLayout.onLayout(FrameLayout.java:508)
??? at android.view.View.layout(View.java:15596)
??? at android.view.ViewGroup.layout(ViewGroup.java:4966)
??? at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:494)
??? at android.view.View.layout(View.java:15596)
??? at android.view.ViewGroup.layout(ViewGroup.java:4966)
??? at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1076)
??? at android.view.View.layout(View.java:15596)
??? at android.view.ViewGroup.layout(ViewGroup.java:4966)
??? at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703)
??? at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557)
??? at android.widget.LinearLayout.onLayout(LinearLayout.java:1466)
??? at android.view.View.layout(View.java:15596)
??? at android.view.ViewGroup.layout(ViewGroup.java:4966)
??? at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703)
??? at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557)
??? at android.widget.LinearLayout.onLayout(LinearLayout.java:1466)
??? at android.view.View.layout(View.java:15596)
??? at android.view.ViewGroup.layout(ViewGroup.java:4966)
2018-01-18
mWhitePiece = Bitmap.createScaledBitmap(mWhitePiece, pieceWidth, pieceWidth, false);
說是這塊報空指針，求解