package cn.flightfeather.thirdapp.module.base
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import android.support.design.widget.TabLayout
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import android.support.v4.app.Fragment
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import android.support.v4.app.FragmentManager
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import android.support.v4.view.ViewCompat
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import android.support.v4.view.ViewPager
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/**
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* @author riku
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* Date: 2019/5/17
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* tabLayout和viewPager设置接口
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*/
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interface TabViewPagerSetInterface {
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fun initTab(){
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getTab().apply {
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tabMode = getMyTabMode()
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ViewCompat.setElevation(this, getMyTabElevation())
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tabGravity = getMyTabGravity()
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setSelectedTabIndicatorGravity(getMyTabIndicatorGravity())
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if (getMyTabTextNormalColor() != -1 && getMyTabTextSelectedColor() != -1) {
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setTabTextColors(getMyTabTextNormalColor(), getMyTabTextSelectedColor())
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setSelectedTabIndicatorColor(getMyTabTextSelectedColor())
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}
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}.setupWithViewPager(getViewPager())
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}
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fun initViewPager(){
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getViewPager().apply {
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adapter = FragmentViewPagerAdapter(
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getMyFragmentManager(),
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getTabFragments(),
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getTitles()
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)
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//viewpager预加载数
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offscreenPageLimit = getMyOffScreenPageLimit()
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//默认展示页
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if (getTab().tabCount > 1) {
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currentItem = getDefaultFirstItem()
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}
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}
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}
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fun getMyTabMode(): Int = TabLayout.MODE_FIXED
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fun getMyTabTextNormalColor(): Int = -1
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fun getMyTabTextSelectedColor(): Int = -1
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fun getMyTabElevation(): Float = 1f
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fun getMyTabGravity(): Int = TabLayout.GRAVITY_CENTER
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fun getMyTabIndicatorGravity(): Int = TabLayout.INDICATOR_GRAVITY_BOTTOM
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fun getMyOffScreenPageLimit(): Int = 3
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fun getDefaultFirstItem(): Int = 0
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fun getTab(): TabLayout
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fun getViewPager(): ViewPager
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fun getTitles(): List<String>
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fun notifyTabChanged(){
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//解决tab绑定徽章后点击切换时字体颜色不变化的问题
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getTab().apply {
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getTabAt(selectedTabPosition)?.select()
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}
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}
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fun getTabFragments(): List<Fragment>
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fun getMyFragmentManager(): FragmentManager
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}
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