android 2个viewpager共用一个用户手势滑动
1个回答
推荐于2016-10-18
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自定义一个ViewPager
public class CustomPager extends ViewPager {
CustomPager mCustomPager;
private boolean forSuper;
public CustomPager(Context context) {
super(context);
}
public CustomPager(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
public boolean onInterceptTouchEvent(MotionEvent arg0) {
if (!forSuper) {
mCustomPager.forSuper(true);
mCustomPager.onInterceptTouchEvent(arg0);
mCustomPager.forSuper(false);
}
return super.onInterceptTouchEvent(arg0);
}
@Override
public boolean onTouchEvent(MotionEvent arg0) {
if (!forSuper) {
mCustomPager.forSuper(true);
mCustomPager.onTouchEvent(arg0);
mCustomPager.forSuper(false);
}
return super.onTouchEvent(arg0);
}
public void setViewPager(CustomPager customPager) {
mCustomPager = customPager;
}
public void forSuper(boolean forSuper) {
this.forSuper = forSuper;
}
@Override
public void setCurrentItem(int item, boolean smoothScroll) {
if (!forSuper) {
mCustomPager.forSuper(true);
mCustomPager.setCurrentItem(item, smoothScroll);
mCustomPager.forSuper(false);
}
super.setCurrentItem(item, smoothScroll);
}
@Override
public void setCurrentItem(int item) {
if (!forSuper) {
mCustomPager.forSuper(true);
mCustomPager.setCurrentItem(item);
mCustomPager.forSuper(false);
}
super.setCurrentItem(item);
}
}
用的时候这样
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
backPager=(CustomPager) findViewById(R.id.BackPager);
frontPager = (CustomPager) findViewById(R.id.frontPager);
frontPager.setViewPager(backPager);
backPager.setViewPager(frontPager);
backPager.setAdapter(your Adapter);
frontPager.setAdapter(your Adapter);
}
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