完美解决java.lang.IllegalArgumentException: pointerIndex out of range

完美解决java.lang.IllegalArgumentException: pointerIndex out of range

1.在做多点触控放大缩小，操作自己所绘制的图形时发生这个异常。错误展示：

1. E/AndroidRuntime: FATAL EXCEPTION: main
2. Process: com.kuaijie, PID: 23303
3. java.lang.IllegalArgumentException: pointerIndex out of range
4. at android.view.MotionEvent.nativeGetAxisValue(Native Method)
5. at android.view.MotionEvent.getX(MotionEvent.java:2106)
6. at android.support.v4.view.MotionEventCompatEclair.getX(MotionEventCompatEclair.java:32)
7. at android.support.v4.view.MotionEventCompat$EclairMotionEventVersionImpl.getX(MotionEventCompat.java:91)
8. at android.support.v4.view.MotionEventCompat.getX(MotionEventCompat.java:219)
9. at android.support.v4.view.ViewPager.onInterceptTouchEvent(ViewPager.java:1834)
10. at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2284)
11. at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2683)
12. at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2399)
13. at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2683)
14. at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2399)
15. at android.widget.PopupWindow$PopupViewContainer.dispatchTouchEvent(PopupWindow.java:1929)
16. at android.view.View.dispatchPointerEvent(View.java:9124)
17. at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4632)
18. at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:4470)
19. at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4020)
20. at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4073)
21. at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4039)
22. at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:4153)
23. at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4047)
24. at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:4210)
25. at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4020)
26. at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:4073)
27. at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:4039)
28. at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:4047)
29. at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:4020)
30. at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:6480)
31. at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:6379)
32. at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:6350)
33. at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:6570)
34. at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185)
35. at android.view.InputEventReceiver.nativeConsumeBatchedInputEvents(Native Method)
36. at android.view.InputEventReceiver.consumeBatchedInputEvents(InputEventReceiver.java:176)
37. at android.view.ViewRootImpl.doConsumeBatchedInput(ViewRootImpl.java:6541)
38. at android.view.ViewRootImpl$ConsumeBatchedInputRunnable.run(ViewRootImpl.java:6593)
39. at android.view.Choreographer$CallbackRecord.run(Choreographer.java:777)
40. at android.view.Choreographer.doCallbacks(Choreographer.java:590)
41. at android.view.Choreographer.doFrame(Choreographer.java:558)
42. at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:763)
43. at android.os.Handler.handleCallback(Handler.java:739)
44. at android.os.Handler.dispatchMessage(Handler.java:95)
45. at android.os.Looper.loop(Looper.java:145)
46. at android.app.ActivityThread.main(ActivityThread.java:5835)
47. at java.lang.reflect.Method.invoke(Native Method)
48. at java.lang.reflect.Method.invoke(Method.java:372)
49. at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399)
50. at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)

2.自定义ViewPager，重写onTouchEvent 和onInterceptTouchEvent。解决方案：

1. public class ViewPagerFixed extends android.support.v4.view.ViewPager {
2. public ViewPagerFixed(Context context) {
3. super(context);
4. }
5.  
6. public ViewPagerFixed(Context context, AttributeSet attrs) {
7. super(context, attrs);
8. }
9.  
10. @Override
11. public boolean onTouchEvent(MotionEvent ev) {
12. try {
13. return super.onTouchEvent(ev);
14. } catch (IllegalArgumentException ex) {
15. ex.printStackTrace();
16. }
17. return false;
18. }
19.  
20. @Override
21. public boolean onInterceptTouchEvent(MotionEvent ev) {
22. try {
23. return super.onInterceptTouchEvent(ev);
24. } catch (IllegalArgumentException ex) {
25. ex.printStackTrace();
26. }
27. return false;
28. }
29. }

 K.O！

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