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Code Issues Packages Projects Releases Wiki Activity

Fixed snackbar behavior in contrast with bottom navigation

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This commit is contained in:
Viktor De Pasquale 2019-10-20 10:54:55 +02:00
parent c44a942fb7
commit b910db322b
3 changed files with 81 additions and 1 deletions
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4
app/src/main/java/com/topjohnwu/magisk/redesign/MainActivity.kt
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@ -24,6 +24,7 @@ import com.topjohnwu.magisk.redesign.log.LogFragment
import com.topjohnwu.magisk.redesign.module.ModuleFragment
import com.topjohnwu.magisk.redesign.settings.SettingsFragment
import com.topjohnwu.magisk.redesign.superuser.SuperuserFragment
import com.topjohnwu.magisk.utils.HideBottomViewOnScrollBehavior
import com.topjohnwu.magisk.utils.HideTopViewOnScrollBehavior
import com.topjohnwu.superuser.Shell
import org.koin.androidx.viewmodel.ext.android.viewModel
@ -62,6 +63,9 @@ open class MainActivity : CompatActivity<MainViewModel, ActivityMainMd2Binding>(
binding.mainToolbarWrapper.updateLayoutParams<CoordinatorLayout.LayoutParams> {
behavior = HideTopViewOnScrollBehavior<MaterialCardView>()
}
binding.mainBottomBar.updateLayoutParams<CoordinatorLayout.LayoutParams> {
behavior = HideBottomViewOnScrollBehavior<MaterialCardView>()
}
binding.mainNavigation.setOnNavigationItemSelectedListener {
when (it.itemId) {
R.id.homeFragment -> Navigation.home()

77
app/src/main/java/com/topjohnwu/magisk/utils/HideBottomViewOnScrollBehavior.kt Normal file
View File

@ -0,0 +1,77 @@
package com.topjohnwu.magisk.utils
import android.view.View
import android.view.ViewGroup
import androidx.coordinatorlayout.widget.CoordinatorLayout
import androidx.core.view.isVisible
import androidx.core.view.updateLayoutParams
import androidx.interpolator.view.animation.FastOutSlowInInterpolator
import com.google.android.material.behavior.HideBottomViewOnScrollBehavior
import com.google.android.material.snackbar.Snackbar
import com.topjohnwu.magisk.R
import kotlin.math.roundToInt
class HideBottomViewOnScrollBehavior<T : View> : HideBottomViewOnScrollBehavior<T>() {
override fun layoutDependsOn(parent: CoordinatorLayout, child: T, dependency: View) =
super.layoutDependsOn(parent, child, dependency) or (dependency is Snackbar.SnackbarLayout)
override fun onDependentViewChanged(
parent: CoordinatorLayout,
child: T,
dependency: View
) = when (dependency) {
is Snackbar.SnackbarLayout -> onDependentViewChanged(parent, child, dependency)
else -> super.onDependentViewChanged(parent, child, dependency)
}
override fun onDependentViewRemoved(
parent: CoordinatorLayout,
child: T,
dependency: View
) = when (dependency) {
is Snackbar.SnackbarLayout -> onDependentViewRemoved(parent, child, dependency)
else -> super.onDependentViewRemoved(parent, child, dependency)
}
//---
private fun onDependentViewChanged(
parent: CoordinatorLayout,
child: T,
dependency: Snackbar.SnackbarLayout
): Boolean {
val viewMargin = (child.layoutParams as ViewGroup.MarginLayoutParams).bottomMargin
val additionalMargin = dependency.resources.getDimension(R.dimen.l1).roundToInt()
val translation = dependency.height + additionalMargin
dependency.updateLayoutParams<ViewGroup.MarginLayoutParams> {
bottomMargin = viewMargin
}
// checks whether the navigation is not hidden via scroll
if (child.isVisible && child.translationY <= 0) {
child.translationY(-translation.toFloat())
}
return false
}
private fun onDependentViewRemoved(
parent: CoordinatorLayout,
child: T,
dependency: Snackbar.SnackbarLayout
) {
// checks whether the navigation is not hidden via scroll
if (child.isVisible && child.translationY <= 0) {
child.translationY(0f)
}
}
//---
private fun View.translationY(destination: Float) = animate()
.translationY(destination)
.setInterpolator(FastOutSlowInInterpolator())
.start()
}

1
app/src/main/res/layout/activity_main_md2.xml
View File

@ -56,7 +56,6 @@
style="?styleCardElevated"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_behavior="com.google.android.material.behavior.HideBottomViewOnScrollBehavior"
android:layout_gravity="bottom"
android:layout_marginStart="@dimen/l1"
android:layout_marginEnd="@dimen/l1"