update

ViewPager2Delegate/.gitignore

@@ -0,0 +1 @@
+/build

ViewPager2Delegate/build.gradle

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+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 33
+    buildToolsVersion "30.0.2"
+
+    defaultConfig {
+        minSdkVersion 28
+        targetSdkVersion 33
+        versionCode 1
+        versionName "1.2"
+
+        consumerProguardFiles 'consumer-rules.pro'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    //https://github.com/angcyo/DslTabLayout
+    implementation project(':TabLayout')
+    //https://mvnrepository.com/artifact/androidx.viewpager2/viewpager2
+    implementation 'androidx.viewpager2:viewpager2:1.0.0'
+}
+
+//apply from: "$gradleHost/master/publish.gradle"

ViewPager2Delegate/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

ViewPager2Delegate/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.angcyo.tablayout.delegate2" />

ViewPager2Delegate/src/main/java/com/angcyo/tablayout/delegate2/ViewPager2Delegate.kt

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+package com.angcyo.tablayout.delegate2
+
+import androidx.viewpager2.widget.ViewPager2
+import com.angcyo.tablayout.DslTabLayout
+import com.angcyo.tablayout.ViewPagerDelegate
+import kotlin.math.absoluteValue
+
+/**
+ * 兼容[ViewPager2]
+ * Email:angcyo@126.com
+ * @author angcyo
+ * @date 2019/12/14
+ */
+open class ViewPager2Delegate(
+    val viewPager: ViewPager2,
+    val dslTabLayout: DslTabLayout?,
+    val forceSmoothScroll: Boolean? = null
+) : ViewPager2.OnPageChangeCallback(), ViewPagerDelegate {
+
+    companion object {
+
+        /**
+         * [forceSmoothScroll] 为 null, 只有切换左右page时, 才有VP的动画, 否则没有.
+         * */
+        fun install(
+            viewPager: ViewPager2,
+            dslTabLayout: DslTabLayout?,
+            forceSmoothScroll: Boolean? = null
+        ): ViewPager2Delegate {
+            return ViewPager2Delegate(viewPager, dslTabLayout, forceSmoothScroll)
+        }
+    }
+
+    init {
+        viewPager.registerOnPageChangeCallback(this)
+        dslTabLayout?.setupViewPager(this)
+    }
+
+    override fun onGetCurrentItem(): Int {
+        return viewPager.currentItem
+    }
+
+    override fun onSetCurrentItem(
+        fromIndex: Int,
+        toIndex: Int,
+        reselect: Boolean,
+        fromUser: Boolean
+    ) {
+        if (fromUser) {
+            val smoothScroll = forceSmoothScroll ?: ((toIndex - fromIndex).absoluteValue <= 1)
+            viewPager.setCurrentItem(toIndex, smoothScroll)
+        }
+    }
+
+    override fun onPageScrollStateChanged(state: Int) {
+        dslTabLayout?.onPageScrollStateChanged(state)
+    }
+
+    override fun onPageScrolled(position: Int, positionOffset: Float, positionOffsetPixels: Int) {
+        dslTabLayout?.onPageScrolled(position, positionOffset, positionOffsetPixels)
+    }
+
+    override fun onPageSelected(position: Int) {
+        dslTabLayout?.onPageSelected(position)
+    }
+}