override fun onPageSelected(pos: Int) {
currentPagerItem = pos
var selectedColor = ContextCompat.getColor(baseActivity, R.color.home_pager_text_selected)
var unselectedColor =
ContextCompat.getColor(baseActivity, R.color.home_pager_text_unselected)
when (pos) {
HomeFragmentPagerAdapter.HOME_FRAGMENT_PARTY -> {
home_fragment_btn_party.setTextColor(selectedColor)
home_fragment_btn_party_indicator_layout.isSelected = true
home_fragment_btn_games.setTextColor(unselectedColor)
home_fragment_btn_friends_indicator_layout.isSelected = false
home_fragment_btn_friends.setTextColor(unselectedColor)
home_fragment_btn_games_indicator_layout.isSelected = false
home_fragment_btn_create_room.visibility = View.VISIBLE
if (hasInvite) {
home_invite_v.visibility = View.VISIBLE
}
home_fragment_btn_message.visibility = View.INVISIBLE
Bus.post(HomePartyTabClickEvent()) // 首頁tab切換的廣播
}
HomeFragmentPagerAdapter.HOME_FRAGMENT_GAMES -> {
home_fragment_btn_party.setTextColor(unselectedColor)
home_fragment_btn_party_indicator_layout.isSelected = false
home_fragment_btn_games.setTextColor(selectedColor)
home_fragment_btn_games_indicator_layout.isSelected = true
home_fragment_btn_friends.setTextColor(unselectedColor)
home_fragment_btn_friends_indicator_layout.isSelected = false
home_fragment_btn_create_room.visibility = View.INVISIBLE
home_invite_v.visibility = View.INVISIBLE
home_fragment_btn_message.visibility = View.INVISIBLE
Bus.post(HomeGamesTabClickEvent()) // 首頁tab切換的廣播
}
HomeFragmentPagerAdapter.HOME_FRAGMENT_FRIENDS -> {
home_fragment_btn_party.setTextColor(unselectedColor)
home_fragment_btn_party_indicator_layout.isSelected = false
home_fragment_btn_games.setTextColor(unselectedColor)
home_fragment_btn_games_indicator_layout.isSelected = false
home_fragment_btn_friends.setTextColor(selectedColor)
home_fragment_btn_friends_indicator_layout.isSelected = true
home_fragment_btn_create_room.visibility = View.INVISIBLE
home_invite_v.visibility = View.INVISIBLE
home_fragment_btn_message.visibility = View.VISIBLE
Bus.post(HomeFriendTabClickEvent()) // 首頁tab切換的廣播
}
}
}
override fun onPageScrolled(pos: Int, posOffset: Float, posOffsetPixels: Int) {
// Timber.tag("zivon").d("currentItem = ${homeViewPager.currentItem}, pos = $pos, posOffset = $posOffset, posOffsetPixels = $posOffsetPixels")
when (homeViewPager.currentItem) {
HomeFragmentPagerAdapter.HOME_FRAGMENT_PARTY -> {
if (pos == homeViewPager.currentItem) {
home_fragment_btn_party_indicator_layout.translationX =
posOffset * home_fragment_btn_party_indicator.width
home_fragment_btn_party_indicator_layout.alpha = 1f - posOffset
} else {
home_fragment_btn_party_indicator_layout.alpha = posOffset
home_fragment_btn_party_indicator_layout.translationX =
-((1f - posOffset) * home_fragment_btn_friends_indicator.width)
}
}
HomeFragmentPagerAdapter.HOME_FRAGMENT_GAMES -> {
if (pos == homeViewPager.currentItem) {
home_fragment_btn_games_indicator_layout.translationX =
posOffset * home_fragment_btn_games_indicator.width
home_fragment_btn_games_indicator_layout.alpha = 1f - posOffset
} else {
home_fragment_btn_games_indicator_layout.alpha = posOffset
home_fragment_btn_games_indicator_layout.translationX =
-((1f - posOffset) * home_fragment_btn_friends_indicator.width)
}
}
else -> {
if (pos == homeViewPager.currentItem) {
home_fragment_btn_friends_indicator_layout.translationX =
posOffset * home_fragment_btn_games_indicator.width
home_fragment_btn_friends_indicator_layout.alpha = 1f - posOffset
} else {
home_fragment_btn_friends_indicator_layout.alpha = posOffset
home_fragment_btn_friends_indicator_layout.translationX =
-((1f - posOffset) * home_fragment_btn_friends_indicator.width)
}
}
}
}
<color name="home_pager_text_unselected">@android:color/white</color>
<color name="home_pager_text_selected">#FF00FF7B</color>
<?xml version="1.0" encoding="utf-8"?>
<!-- 首頁viewPager的按鈕 -->
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/home_pager_indicator_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="@dimen/home_pager_first_tab_start_margin"
android:layout_marginEnd="@dimen/home_pager_first_tab_start_margin">
<TextView
android:id="@+id/home_fragment_btn_party"
style="@style/home_fragment_btn_text_style"
android:text="@string/home_fragment_party_title"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
<TextView
android:id="@+id/home_fragment_btn_games"
style="@style/home_fragment_btn_text_style"
android:text="@string/home_fragment_games_title"
android:layout_marginStart="@dimen/home_fragment_pager_text_space"
app:layout_constraintStart_toEndOf="@id/home_fragment_btn_party"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
<TextView
android:id="@+id/home_fragment_btn_friends"
style="@style/home_fragment_btn_text_style"
android:text="@string/home_fragment_friends_title"
android:layout_marginStart="@dimen/home_fragment_pager_text_space"
app:layout_constraintStart_toEndOf="@id/home_fragment_btn_games"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
<!-- 消息小紅點 -->
<ImageView
android:id="@+id/chatMessageUnreadRedDot"
android:layout_width="@dimen/home_pager_message_no_read_size"
android:layout_height="@dimen/home_pager_message_no_read_size"
android:background="@drawable/shape_message_notify"
android:visibility="gone"
app:layout_constraintTop_toTopOf="@id/home_fragment_btn_friends"
app:layout_constraintStart_toEndOf="@id/home_fragment_btn_friends"/>
<ImageView
android:id="@+id/home_invite_v"
android:layout_marginRight="9.3dp"
android:src="@drawable/invite_box"
android:layout_height="@dimen/create_chat_room_btn_height"
android:layout_width="@dimen/create_chat_room_btn_height"
android:visibility="invisible"
app:layout_constraintEnd_toStartOf="@+id/home_fragment_btn_create_room"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
<ImageView
android:id="@+id/home_fragment_btn_create_room"
android:layout_marginEnd="@dimen/create_chat_room_btn_extra_end_space"
android:src="@drawable/ic_create_room_btn"
android:layout_height="@dimen/create_chat_room_btn_height"
android:layout_width="@dimen/home_create_chat_room_btn_width"
android:visibility="invisible"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
<ImageView
android:id="@+id/home_fragment_btn_message"
android:layout_marginEnd="@dimen/create_chat_room_btn_extra_end_space"
android:src="@drawable/ic_message"
android:layout_height="@dimen/home_fragment_message_btn_width"
android:layout_width="@dimen/home_fragment_message_btn_width"
android:visibility="invisible"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"/>
<androidx.cardview.widget.CardView
android:id="@+id/home_fragment_btn_party_indicator_layout"
style="@style/home_fragment_btn_indicator_parent_style"
app:layout_constraintTop_toBottomOf="@id/home_fragment_btn_party"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="@id/home_fragment_btn_party"
app:layout_constraintEnd_toEndOf="@id/home_fragment_btn_party">
<View
android:id="@+id/home_fragment_btn_party_indicator"
style="@style/home_fragment_btn_indicator_style"/>
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:id="@+id/home_fragment_btn_games_indicator_layout"
style="@style/home_fragment_btn_indicator_parent_style"
app:layout_constraintTop_toBottomOf="@id/home_fragment_btn_games"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="@id/home_fragment_btn_games"
app:layout_constraintEnd_toEndOf="@id/home_fragment_btn_games">
<View
android:id="@+id/home_fragment_btn_games_indicator"
style="@style/home_fragment_btn_indicator_style"/>
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:id="@+id/home_fragment_btn_friends_indicator_layout"
style="@style/home_fragment_btn_indicator_parent_style"
app:layout_constraintTop_toBottomOf="@id/home_fragment_btn_friends"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="@id/home_fragment_btn_friends"
app:layout_constraintEnd_toEndOf="@id/home_fragment_btn_friends">
<View
android:id="@+id/home_fragment_btn_friends_indicator"
style="@style/home_fragment_btn_indicator_style"/>
</androidx.cardview.widget.CardView>
</androidx.constraintlayout.widget.ConstraintLayout>
