zcash-android-wallet-zcon1/zcash-android-wallet-app/app/src/main/java/cash/z/android/wallet/ui/util/ViewpagerHeader.kt

38 lines
1.3 KiB
Kotlin

/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cash.z.android.wallet.ui.util
import android.content.Context
import android.util.AttributeSet
import androidx.constraintlayout.motion.widget.MotionLayout
import androidx.viewpager.widget.ViewPager
class ViewpagerHeader @JvmOverloads constructor(
context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
) : MotionLayout(context, attrs, defStyleAttr), ViewPager.OnPageChangeListener {
override fun onPageScrollStateChanged(state: Int) {
}
override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {
val numPages = 3
progress = (position + positionOffset) / (numPages - 1)
}
override fun onPageSelected(position: Int) {
}
}