ADD week 5
This commit is contained in:
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package com.google.android.material.tabs;
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import android.graphics.RectF;
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import android.graphics.drawable.Drawable;
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import android.view.View;
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import com.google.android.material.animation.AnimationUtils;
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/* loaded from: classes.dex */
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class ElasticTabIndicatorInterpolator extends TabIndicatorInterpolator {
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ElasticTabIndicatorInterpolator() {
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}
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private static float decInterp(float f) {
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return (float) Math.sin((f * 3.141592653589793d) / 2.0d);
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}
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private static float accInterp(float f) {
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return (float) (1.0d - Math.cos((f * 3.141592653589793d) / 2.0d));
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}
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@Override // com.google.android.material.tabs.TabIndicatorInterpolator
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void updateIndicatorForOffset(TabLayout tabLayout, View view, View view2, float f, Drawable drawable) {
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float decInterp;
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float accInterp;
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RectF calculateIndicatorWidthForTab = calculateIndicatorWidthForTab(tabLayout, view);
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RectF calculateIndicatorWidthForTab2 = calculateIndicatorWidthForTab(tabLayout, view2);
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if (calculateIndicatorWidthForTab.left < calculateIndicatorWidthForTab2.left) {
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decInterp = accInterp(f);
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accInterp = decInterp(f);
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} else {
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decInterp = decInterp(f);
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accInterp = accInterp(f);
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}
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drawable.setBounds(AnimationUtils.lerp((int) calculateIndicatorWidthForTab.left, (int) calculateIndicatorWidthForTab2.left, decInterp), drawable.getBounds().top, AnimationUtils.lerp((int) calculateIndicatorWidthForTab.right, (int) calculateIndicatorWidthForTab2.right, accInterp), drawable.getBounds().bottom);
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}
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}
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package com.google.android.material.tabs;
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import android.graphics.RectF;
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import android.graphics.drawable.Drawable;
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import android.view.View;
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import com.google.android.material.animation.AnimationUtils;
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/* loaded from: classes.dex */
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class FadeTabIndicatorInterpolator extends TabIndicatorInterpolator {
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private static final float FADE_THRESHOLD = 0.5f;
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FadeTabIndicatorInterpolator() {
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}
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@Override // com.google.android.material.tabs.TabIndicatorInterpolator
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void updateIndicatorForOffset(TabLayout tabLayout, View view, View view2, float f, Drawable drawable) {
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float lerp;
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if (f >= 0.5f) {
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view = view2;
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}
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RectF calculateIndicatorWidthForTab = calculateIndicatorWidthForTab(tabLayout, view);
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if (f < 0.5f) {
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lerp = AnimationUtils.lerp(1.0f, 0.0f, 0.0f, 0.5f, f);
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} else {
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lerp = AnimationUtils.lerp(0.0f, 1.0f, 0.5f, 1.0f, f);
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}
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drawable.setBounds((int) calculateIndicatorWidthForTab.left, drawable.getBounds().top, (int) calculateIndicatorWidthForTab.right, drawable.getBounds().bottom);
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drawable.setAlpha((int) (lerp * 255.0f));
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}
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}
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package com.google.android.material.tabs;
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import android.graphics.RectF;
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import android.graphics.drawable.Drawable;
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import android.view.View;
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import com.google.android.material.animation.AnimationUtils;
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import com.google.android.material.internal.ViewUtils;
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import com.google.android.material.tabs.TabLayout;
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/* loaded from: classes.dex */
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class TabIndicatorInterpolator {
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private static final int MIN_INDICATOR_WIDTH = 24;
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TabIndicatorInterpolator() {
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}
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static RectF calculateTabViewContentBounds(TabLayout.TabView tabView, int i) {
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int contentWidth = tabView.getContentWidth();
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int contentHeight = tabView.getContentHeight();
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int dpToPx = (int) ViewUtils.dpToPx(tabView.getContext(), i);
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if (contentWidth < dpToPx) {
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contentWidth = dpToPx;
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}
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int left = (tabView.getLeft() + tabView.getRight()) / 2;
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int top = (tabView.getTop() + tabView.getBottom()) / 2;
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int i2 = contentWidth / 2;
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return new RectF(left - i2, top - (contentHeight / 2), i2 + left, top + (left / 2));
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}
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static RectF calculateIndicatorWidthForTab(TabLayout tabLayout, View view) {
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if (view == null) {
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return new RectF();
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}
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if (!tabLayout.isTabIndicatorFullWidth() && (view instanceof TabLayout.TabView)) {
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return calculateTabViewContentBounds((TabLayout.TabView) view, 24);
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}
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return new RectF(view.getLeft(), view.getTop(), view.getRight(), view.getBottom());
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}
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void setIndicatorBoundsForTab(TabLayout tabLayout, View view, Drawable drawable) {
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RectF calculateIndicatorWidthForTab = calculateIndicatorWidthForTab(tabLayout, view);
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drawable.setBounds((int) calculateIndicatorWidthForTab.left, drawable.getBounds().top, (int) calculateIndicatorWidthForTab.right, drawable.getBounds().bottom);
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}
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void updateIndicatorForOffset(TabLayout tabLayout, View view, View view2, float f, Drawable drawable) {
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RectF calculateIndicatorWidthForTab = calculateIndicatorWidthForTab(tabLayout, view);
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RectF calculateIndicatorWidthForTab2 = calculateIndicatorWidthForTab(tabLayout, view2);
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drawable.setBounds(AnimationUtils.lerp((int) calculateIndicatorWidthForTab.left, (int) calculateIndicatorWidthForTab2.left, f), drawable.getBounds().top, AnimationUtils.lerp((int) calculateIndicatorWidthForTab.right, (int) calculateIndicatorWidthForTab2.right, f), drawable.getBounds().bottom);
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}
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}
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package com.google.android.material.tabs;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.view.View;
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import androidx.appcompat.widget.TintTypedArray;
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import com.google.android.material.R;
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/* loaded from: classes.dex */
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public class TabItem extends View {
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public final int customLayout;
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public final Drawable icon;
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public final CharSequence text;
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public TabItem(Context context) {
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this(context, null);
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}
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public TabItem(Context context, AttributeSet attributeSet) {
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super(context, attributeSet);
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TintTypedArray obtainStyledAttributes = TintTypedArray.obtainStyledAttributes(context, attributeSet, R.styleable.TabItem);
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this.text = obtainStyledAttributes.getText(R.styleable.TabItem_android_text);
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this.icon = obtainStyledAttributes.getDrawable(R.styleable.TabItem_android_icon);
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this.customLayout = obtainStyledAttributes.getResourceId(R.styleable.TabItem_android_layout, 0);
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obtainStyledAttributes.recycle();
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}
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}
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2145
02-Easy5/E5/sources/com/google/android/material/tabs/TabLayout.java
Normal file
2145
02-Easy5/E5/sources/com/google/android/material/tabs/TabLayout.java
Normal file
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,206 @@
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package com.google.android.material.tabs;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.viewpager2.widget.ViewPager2;
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import com.google.android.material.tabs.TabLayout;
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import java.lang.ref.WeakReference;
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/* loaded from: classes.dex */
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public final class TabLayoutMediator {
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private RecyclerView.Adapter<?> adapter;
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private boolean attached;
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private final boolean autoRefresh;
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private TabLayoutOnPageChangeCallback onPageChangeCallback;
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private TabLayout.OnTabSelectedListener onTabSelectedListener;
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private RecyclerView.AdapterDataObserver pagerAdapterObserver;
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private final boolean smoothScroll;
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private final TabConfigurationStrategy tabConfigurationStrategy;
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private final TabLayout tabLayout;
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private final ViewPager2 viewPager;
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public interface TabConfigurationStrategy {
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void onConfigureTab(TabLayout.Tab tab, int i);
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}
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public boolean isAttached() {
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return this.attached;
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}
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public TabLayoutMediator(TabLayout tabLayout, ViewPager2 viewPager2, TabConfigurationStrategy tabConfigurationStrategy) {
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this(tabLayout, viewPager2, true, tabConfigurationStrategy);
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}
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public TabLayoutMediator(TabLayout tabLayout, ViewPager2 viewPager2, boolean z, TabConfigurationStrategy tabConfigurationStrategy) {
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this(tabLayout, viewPager2, z, true, tabConfigurationStrategy);
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}
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public TabLayoutMediator(TabLayout tabLayout, ViewPager2 viewPager2, boolean z, boolean z2, TabConfigurationStrategy tabConfigurationStrategy) {
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this.tabLayout = tabLayout;
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this.viewPager = viewPager2;
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this.autoRefresh = z;
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this.smoothScroll = z2;
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this.tabConfigurationStrategy = tabConfigurationStrategy;
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}
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public void attach() {
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if (this.attached) {
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throw new IllegalStateException("TabLayoutMediator is already attached");
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}
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RecyclerView.Adapter<?> adapter = this.viewPager.getAdapter();
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this.adapter = adapter;
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if (adapter == null) {
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throw new IllegalStateException("TabLayoutMediator attached before ViewPager2 has an adapter");
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}
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this.attached = true;
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TabLayoutOnPageChangeCallback tabLayoutOnPageChangeCallback = new TabLayoutOnPageChangeCallback(this.tabLayout);
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this.onPageChangeCallback = tabLayoutOnPageChangeCallback;
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this.viewPager.registerOnPageChangeCallback(tabLayoutOnPageChangeCallback);
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ViewPagerOnTabSelectedListener viewPagerOnTabSelectedListener = new ViewPagerOnTabSelectedListener(this.viewPager, this.smoothScroll);
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this.onTabSelectedListener = viewPagerOnTabSelectedListener;
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this.tabLayout.addOnTabSelectedListener((TabLayout.OnTabSelectedListener) viewPagerOnTabSelectedListener);
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if (this.autoRefresh) {
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PagerAdapterObserver pagerAdapterObserver = new PagerAdapterObserver();
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this.pagerAdapterObserver = pagerAdapterObserver;
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this.adapter.registerAdapterDataObserver(pagerAdapterObserver);
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}
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populateTabsFromPagerAdapter();
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this.tabLayout.setScrollPosition(this.viewPager.getCurrentItem(), 0.0f, true);
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}
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public void detach() {
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RecyclerView.Adapter<?> adapter;
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if (this.autoRefresh && (adapter = this.adapter) != null) {
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adapter.unregisterAdapterDataObserver(this.pagerAdapterObserver);
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this.pagerAdapterObserver = null;
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}
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this.tabLayout.removeOnTabSelectedListener(this.onTabSelectedListener);
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this.viewPager.unregisterOnPageChangeCallback(this.onPageChangeCallback);
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this.onTabSelectedListener = null;
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this.onPageChangeCallback = null;
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this.adapter = null;
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this.attached = false;
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}
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void populateTabsFromPagerAdapter() {
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this.tabLayout.removeAllTabs();
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RecyclerView.Adapter<?> adapter = this.adapter;
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if (adapter != null) {
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int itemCount = adapter.getItemCount();
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for (int i = 0; i < itemCount; i++) {
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TabLayout.Tab newTab = this.tabLayout.newTab();
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this.tabConfigurationStrategy.onConfigureTab(newTab, i);
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this.tabLayout.addTab(newTab, false);
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}
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if (itemCount > 0) {
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int min = Math.min(this.viewPager.getCurrentItem(), this.tabLayout.getTabCount() - 1);
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if (min != this.tabLayout.getSelectedTabPosition()) {
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TabLayout tabLayout = this.tabLayout;
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tabLayout.selectTab(tabLayout.getTabAt(min));
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}
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}
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}
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}
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private static class TabLayoutOnPageChangeCallback extends ViewPager2.OnPageChangeCallback {
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private int previousScrollState;
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private int scrollState;
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private final WeakReference<TabLayout> tabLayoutRef;
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void reset() {
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this.scrollState = 0;
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this.previousScrollState = 0;
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}
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TabLayoutOnPageChangeCallback(TabLayout tabLayout) {
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this.tabLayoutRef = new WeakReference<>(tabLayout);
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reset();
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}
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@Override // androidx.viewpager2.widget.ViewPager2.OnPageChangeCallback
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public void onPageScrollStateChanged(int i) {
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this.previousScrollState = this.scrollState;
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this.scrollState = i;
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TabLayout tabLayout = this.tabLayoutRef.get();
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if (tabLayout != null) {
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tabLayout.updateViewPagerScrollState(this.scrollState);
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}
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}
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@Override // androidx.viewpager2.widget.ViewPager2.OnPageChangeCallback
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public void onPageScrolled(int i, float f, int i2) {
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TabLayout tabLayout = this.tabLayoutRef.get();
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if (tabLayout != null) {
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int i3 = this.scrollState;
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tabLayout.setScrollPosition(i, f, i3 != 2 || this.previousScrollState == 1, (i3 == 2 && this.previousScrollState == 0) ? false : true, false);
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}
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}
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@Override // androidx.viewpager2.widget.ViewPager2.OnPageChangeCallback
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public void onPageSelected(int i) {
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TabLayout tabLayout = this.tabLayoutRef.get();
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if (tabLayout == null || tabLayout.getSelectedTabPosition() == i || i >= tabLayout.getTabCount()) {
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return;
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}
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int i2 = this.scrollState;
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tabLayout.selectTab(tabLayout.getTabAt(i), i2 == 0 || (i2 == 2 && this.previousScrollState == 0));
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}
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}
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private static class ViewPagerOnTabSelectedListener implements TabLayout.OnTabSelectedListener {
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private final boolean smoothScroll;
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private final ViewPager2 viewPager;
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@Override // com.google.android.material.tabs.TabLayout.BaseOnTabSelectedListener
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public void onTabReselected(TabLayout.Tab tab) {
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}
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@Override // com.google.android.material.tabs.TabLayout.BaseOnTabSelectedListener
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public void onTabUnselected(TabLayout.Tab tab) {
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}
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ViewPagerOnTabSelectedListener(ViewPager2 viewPager2, boolean z) {
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this.viewPager = viewPager2;
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this.smoothScroll = z;
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}
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@Override // com.google.android.material.tabs.TabLayout.BaseOnTabSelectedListener
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public void onTabSelected(TabLayout.Tab tab) {
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this.viewPager.setCurrentItem(tab.getPosition(), this.smoothScroll);
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}
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}
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private class PagerAdapterObserver extends RecyclerView.AdapterDataObserver {
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PagerAdapterObserver() {
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}
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@Override // androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
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public void onChanged() {
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TabLayoutMediator.this.populateTabsFromPagerAdapter();
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}
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@Override // androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
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public void onItemRangeChanged(int i, int i2) {
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TabLayoutMediator.this.populateTabsFromPagerAdapter();
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}
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@Override // androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
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public void onItemRangeChanged(int i, int i2, Object obj) {
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TabLayoutMediator.this.populateTabsFromPagerAdapter();
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}
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@Override // androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
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public void onItemRangeInserted(int i, int i2) {
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TabLayoutMediator.this.populateTabsFromPagerAdapter();
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}
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@Override // androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
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public void onItemRangeRemoved(int i, int i2) {
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TabLayoutMediator.this.populateTabsFromPagerAdapter();
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}
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@Override // androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
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public void onItemRangeMoved(int i, int i2, int i3) {
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TabLayoutMediator.this.populateTabsFromPagerAdapter();
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}
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}
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}
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Reference in New Issue
Block a user