ViewPager.OnPageChangeListener监测

ViewPager.OnPageChangeListener监测

@Override

public void onPageScrolled(int position, float positionOffset,
int positionOffsetPixels) {

Log.e("positionOffset", positionOffset+"");
Log.e("positionOffsetPixels", positionOffsetPixels+"");

}

Left to Right

11-16 14:24:11.713: E/positionOffset(16150): 0.018055556

11-16 14:24:11.714: E/positionOffsetPixels(16150): 13

11-16 14:24:11.730: E/positionOffset(16150): 0.04027778

11-16 14:24:11.730: E/positionOffsetPixels(16150): 29

11-16 14:24:11.746: E/positionOffset(16150): 0.06944445

11-16 14:24:11.746: E/positionOffsetPixels(16150): 50

11-16 14:24:11.763: E/positionOffset(16150): 0.10555556

11-16 14:24:11.763: E/positionOffsetPixels(16150): 76

11-16 14:24:11.780: E/positionOffset(16150): 0.14861111

11-16 14:24:11.781: E/positionOffsetPixels(16150): 107

11-16 14:24:11.798: E/positionOffset(16150): 0.19166666

11-16 14:24:11.800: E/positionOffsetPixels(16150): 138

11-16 14:24:11.815: E/positionOffset(16150): 0.25

11-16 14:24:11.815: E/positionOffsetPixels(16150): 180

11-16 14:24:11.832: E/positionOffset(16150): 0.30694443

11-16 14:24:11.833: E/positionOffsetPixels(16150): 220

11-16 14:24:11.851: E/positionOffset(16150): 0.41527778

11-16 14:24:11.851: E/positionOffsetPixels(16150): 299

11-16 14:24:11.854: E/positionOffset(16150): 0.42222223

11-16 14:24:11.854: E/positionOffsetPixels(16150): 304

11-16 14:24:11.867: E/positionOffset(16150): 0.50972223

11-16 14:24:11.867: E/positionOffsetPixels(16150): 367

11-16 14:24:11.885: E/positionOffset(16150): 0.6125

11-16 14:24:11.885: E/positionOffsetPixels(16150): 441

11-16 14:24:11.903: E/positionOffset(16150): 0.69861114

11-16 14:24:11.903: E/positionOffsetPixels(16150): 503

11-16 14:24:11.922: E/positionOffset(16150): 0.7708333

11-16 14:24:11.922: E/positionOffsetPixels(16150): 555

11-16 14:24:11.936: E/positionOffset(16150): 0.81527776

11-16 14:24:11.937: E/positionOffsetPixels(16150): 587

11-16 14:24:11.954: E/positionOffset(16150): 0.85833335

11-16 14:24:11.954: E/positionOffsetPixels(16150): 618

11-16 14:24:11.970: E/positionOffset(16150): 0.89444447

11-16 14:24:11.971: E/positionOffsetPixels(16150): 644

11-16 14:24:11.988: E/positionOffset(16150): 0.9236111

11-16 14:24:11.988: E/positionOffsetPixels(16150): 665

11-16 14:24:12.006: E/positionOffset(16150): 0.9458333

11-16 14:24:12.007: E/positionOffsetPixels(16150): 681

11-16 14:24:12.024: E/positionOffset(16150): 0.9625

11-16 14:24:12.024: E/positionOffsetPixels(16150): 693

11-16 14:24:12.040: E/positionOffset(16150): 0.9736111

11-16 14:24:12.041: E/positionOffsetPixels(16150): 701

11-16 14:24:12.057: E/positionOffset(16150): 0.98194444

11-16 14:24:12.057: E/positionOffsetPixels(16150): 707

11-16 14:24:12.074: E/positionOffset(16150): 0.98888886

11-16 14:24:12.074: E/positionOffsetPixels(16150): 712

11-16 14:24:12.093: E/positionOffset(16150): 0.9930556

11-16 14:24:12.093: E/positionOffsetPixels(16150): 715

11-16 14:24:12.111: E/positionOffset(16150): 0.99583334

11-16 14:24:12.111: E/positionOffsetPixels(16150): 717

11-16 14:24:12.132: E/positionOffset(16150): 0.9986111

11-16 14:24:12.132: E/positionOffsetPixels(16150): 719

11-16 14:24:12.160: E/positionOffset(16150): 0.0
11-16 14:24:12.160: E/positionOffsetPixels(16150): 0

Right to Left

11-16 14:25:05.031: E/positionOffset(16150): 0.9916667

11-16 14:25:05.031: E/positionOffsetPixels(16150): 714

11-16 14:25:05.077: E/positionOffset(16150): 0.9361111

11-16 14:25:05.077: E/positionOffsetPixels(16150): 674

11-16 14:25:05.093: E/positionOffset(16150): 0.8375

11-16 14:25:05.094: E/positionOffsetPixels(16150): 603

11-16 14:25:05.110: E/positionOffset(16150): 0.76666665

11-16 14:25:05.110: E/positionOffsetPixels(16150): 552

11-16 14:25:05.127: E/positionOffset(16150): 0.6666667

11-16 14:25:05.128: E/positionOffsetPixels(16150): 480

11-16 14:25:05.144: E/positionOffset(16150): 0.5472222

11-16 14:25:05.144: E/positionOffsetPixels(16150): 393

11-16 14:25:05.168: E/positionOffset(16150): 0.16527778

11-16 14:25:05.168: E/positionOffsetPixels(16150): 119

11-16 14:25:05.171: E/positionOffset(16150): 0.15833333

11-16 14:25:05.171: E/positionOffsetPixels(16150): 114

11-16 14:25:05.181: E/positionOffset(16150): 0.097222224

11-16 14:25:05.181: E/positionOffsetPixels(16150): 70

11-16 14:25:05.197: E/positionOffset(16150): 0.03888889

11-16 14:25:05.198: E/positionOffsetPixels(16150): 28

11-16 14:25:05.214: E/positionOffset(16150): 0.0125

11-16 14:25:05.214: E/positionOffsetPixels(16150): 9

11-16 14:25:05.233: E/positionOffset(16150): 0.0013888889

11-16 14:25:05.234: E/positionOffsetPixels(16150): 1

11-16 14:25:05.248: E/positionOffset(16150): 0.0
11-16 14:25:05.248: E/positionOffsetPixels(16150): 0

顺便说一下：

@Override
public void onPageScrollStateChanged(int position) {

}


其中最好不要写代码，因为打印结果如下：

11-16 17:08:27.034: E/onPageSelected(7442): 1

11-16 17:08:27.344: E/SenderFragment(7442): on Resume

11-16 17:08:29.244: E/onPageScrollStateChanged(7442): 1

11-16 17:08:29.369: E/onPageScrollStateChanged(7442): 2

11-16 17:08:29.370: E/onPageSelected(7442): 2

11-16 17:08:30.026: E/onPageScrollStateChanged(7442): 0

11-16 17:08:31.446: E/onPageScrollStateChanged(7442): 1

11-16 17:08:31.496: E/onPageScrollStateChanged(7442): 2

11-16 17:08:31.497: E/onPageSelected(7442): 1

11-16 17:08:32.005: E/onPageScrollStateChanged(7442): 0

11-16 17:08:32.745: E/onPageScrollStateChanged(7442): 1

11-16 17:08:32.839: E/onPageScrollStateChanged(7442): 2

11-16 17:08:32.840: E/onPageSelected(7442): 2

11-16 17:08:33.495: E/onPageScrollStateChanged(7442): 0

11-16 17:08:33.691: E/onPageScrollStateChanged(7442): 1

11-16 17:08:33.802: E/onPageScrollStateChanged(7442): 2

11-16 17:08:33.803: E/onPageSelected(7442): 1

11-16 17:08:34.445: E/onPageScrollStateChanged(7442): 0

11-16 17:08:36.591: E/onPageScrollStateChanged(7442): 1

11-16 17:08:36.723: E/onPageScrollStateChanged(7442): 2

11-16 17:08:37.356: E/onPageScrollStateChanged(7442): 0

11-16 17:08:37.417: E/onPageScrollStateChanged(7442): 1

11-16 17:08:37.540: E/onPageScrollStateChanged(7442): 2

11-16 17:08:37.540: E/onPageSelected(7442): 2

11-16 17:08:38.171: E/onPageScrollStateChanged(7442): 0

11-16 17:08:41.443: E/onPageScrollStateChanged(7442): 1

11-16 17:08:41.560: E/onPageScrollStateChanged(7442): 2

11-16 17:08:41.561: E/onPageSelected(7442): 1

11-16 17:08:42.204: E/onPageScrollStateChanged(7442): 0

11-16 17:08:44.500: E/onPageScrollStateChanged(7442): 1

11-16 17:08:44.587: E/onPageScrollStateChanged(7442): 2

11-16 17:08:44.588: E/onPageSelected(7442): 0

11-16 17:08:45.111: E/onPageScrollStateChanged(7442): 0

11-16 17:08:49.470: E/SenderFragment(7442): on Stop