mirror of
https://github.com/zhigang1992/react-navigation.git
synced 2026-02-06 22:46:01 +08:00
107 lines
3.4 KiB
Java
107 lines
3.4 KiB
Java
package com.swmansion.rnscreens;
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import android.annotation.SuppressLint;
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import android.graphics.Color;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.LinearLayout;
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import androidx.annotation.Nullable;
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import androidx.appcompat.widget.Toolbar;
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import androidx.coordinatorlayout.widget.CoordinatorLayout;
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import com.facebook.react.uimanager.PixelUtil;
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import com.google.android.material.appbar.AppBarLayout;
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public class ScreenStackFragment extends ScreenFragment {
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private static final float TOOLBAR_ELEVATION = PixelUtil.toPixelFromDIP(4);
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private AppBarLayout mAppBarLayout;
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private Toolbar mToolbar;
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private boolean mShadowHidden;
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private CoordinatorLayout mScreenRootView;
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@SuppressLint("ValidFragment")
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public ScreenStackFragment(Screen screenView) {
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super(screenView);
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}
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public void removeToolbar() {
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if (mAppBarLayout != null) {
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((CoordinatorLayout) getView()).removeView(mAppBarLayout);
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}
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}
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public void setToolbar(Toolbar toolbar) {
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if (mAppBarLayout != null) {
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mAppBarLayout.addView(toolbar);
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}
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mToolbar = toolbar;
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AppBarLayout.LayoutParams params = new AppBarLayout.LayoutParams(
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AppBarLayout.LayoutParams.MATCH_PARENT, AppBarLayout.LayoutParams.WRAP_CONTENT);
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params.setScrollFlags(0);
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mToolbar.setLayoutParams(params);
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}
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public void setToolbarShadowHidden(boolean hidden) {
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if (mShadowHidden != hidden) {
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mAppBarLayout.setTargetElevation(hidden ? 0 : TOOLBAR_ELEVATION);
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mShadowHidden = hidden;
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}
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}
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public void onStackUpdate() {
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View child = mScreenView.getChildAt(0);
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if (child instanceof ScreenStackHeaderConfig) {
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((ScreenStackHeaderConfig) child).onUpdate();
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}
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}
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private CoordinatorLayout configureView() {
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CoordinatorLayout view = new CoordinatorLayout(getContext());
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CoordinatorLayout.LayoutParams params = new CoordinatorLayout.LayoutParams(
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LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT);
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params.setBehavior(new AppBarLayout.ScrollingViewBehavior());
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mScreenView.setLayoutParams(params);
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view.addView(mScreenView);
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mAppBarLayout = new AppBarLayout(getContext());
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// By default AppBarLayout will have a background color set but since we cover the whole layout
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// with toolbar (that can be semi-transparent) the bar layout background color does not pay a
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// role. On top of that it breaks screens animations when alfa offscreen compositing is off
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// (which is the default)
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mAppBarLayout.setBackgroundColor(Color.TRANSPARENT);
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mAppBarLayout.setLayoutParams(new AppBarLayout.LayoutParams(
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AppBarLayout.LayoutParams.MATCH_PARENT, AppBarLayout.LayoutParams.WRAP_CONTENT));
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view.addView(mAppBarLayout);
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if (mToolbar != null) {
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mAppBarLayout.addView(mToolbar);
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}
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return view;
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}
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@Override
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public View onCreateView(LayoutInflater inflater,
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@Nullable ViewGroup container,
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@Nullable Bundle savedInstanceState) {
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if (mScreenRootView == null) {
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mScreenRootView = configureView();
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}
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return mScreenRootView;
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}
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public boolean isDismissable() {
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View child = mScreenView.getChildAt(0);
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if (child instanceof ScreenStackHeaderConfig) {
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return ((ScreenStackHeaderConfig) child).isDismissable();
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}
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return true;
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}
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}
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