package com.application.zhangshi_app_android.ui;
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import android.annotation.SuppressLint;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.view.View;
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import android.widget.BaseAdapter;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.viewpager.widget.ViewPager;
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import androidx.viewpager2.widget.ViewPager2;
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import com.android.app_base.base.adapter.BaseRVAdapter;
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import com.android.app_base.base.view.BaseActivity;
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import com.android.app_base.base.viewmodel.BaseViewModel;
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import com.application.zhangshi_app_android.BR;
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import com.application.zhangshi_app_android.R;
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import com.application.zhangshi_app_android.adapter.ImagePreviewAdapter;
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import com.application.zhangshi_app_android.data.DataRepository;
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import com.application.zhangshi_app_android.databinding.ImagePreviewActivityBinding;
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import com.gyf.immersionbar.BarHide;
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import com.gyf.immersionbar.ImmersionBar;
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import com.youth.banner.indicator.CircleIndicator;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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/**
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* @author Ljj
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* @date 2023.08.19. 16:53
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* @desc
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*/
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public final class ImagePreviewActivity extends BaseActivity<ImagePreviewActivityBinding, SimpleViewModel> {
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private static final String INTENT_KEY_IN_IMAGE_LIST = "imageList";
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private static final String INTENT_KEY_IN_IMAGE_INDEX = "imageIndex";
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public static void start(Context context, String url) {
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ArrayList<String> images = new ArrayList<>(1);
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images.add(url);
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start(context, images);
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}
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public static void start(Context context, List<String> urls) {
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start(context, urls, 0);
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}
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public static void start(Context context, List<String> urls, int index) {
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if (urls == null || urls.isEmpty()) {
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return;
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}
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Intent intent = new Intent(context, ImagePreviewActivity.class);
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if (urls.size() > 2000) {
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// 请注意：如果传输的数据量过大，会抛出此异常，并且这种异常是不能被捕获的
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// 所以当图片数量过多的时候，我们应当只显示一张，这种一般是手机图片过多导致的
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// 经过测试，传入 3121 张图片集合的时候会抛出此异常，所以保险值应当是 2000
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// android.os.TransactionTooLargeException: data parcel size 521984 bytes
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urls = Collections.singletonList(urls.get(index));
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}
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if (urls instanceof ArrayList) {
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intent.putExtra(INTENT_KEY_IN_IMAGE_LIST, (ArrayList<String>) urls);
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} else {
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intent.putExtra(INTENT_KEY_IN_IMAGE_LIST, new ArrayList<>(urls));
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}
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intent.putExtra(INTENT_KEY_IN_IMAGE_INDEX, index);
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if (!(context instanceof Activity)) {
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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}
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context.startActivity(intent);
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}
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private ImagePreviewAdapter mAdapter;
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@Override
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public int getLayoutId() {
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return R.layout.image_preview_activity;
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}
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@Override
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public int getVariableId() {
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return 0;
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}
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@Override
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public void initParam() {
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}
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@Override
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public void initView() {
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mAdapter = new ImagePreviewAdapter(this);
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mAdapter.setOnItemClickListener(new BaseRVAdapter.OnItemClickListener() {
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@Override
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public void onItemClick(RecyclerView recyclerView, View itemView, int position) {
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if (isFinishing() || isDestroyed()) {
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return;
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}
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// 单击图片退出当前的 Activity
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finish();
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}
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});
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binding.viewPager.setAdapter(mAdapter);
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binding.viewPager.registerOnPageChangeCallback(new ViewPager2.OnPageChangeCallback() {
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@Override
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public void onPageSelected(int position) {
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super.onPageSelected(position);
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binding.tvImagePreviewIndicator.setText((position + 1) + "/" + mAdapter.getItemCount());
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}
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});
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}
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@Override
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public void initData() {
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ArrayList<String> images = getIntent().getStringArrayListExtra(INTENT_KEY_IN_IMAGE_LIST);
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if (images == null || images.isEmpty()) {
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finish();
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return;
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}
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mAdapter.setData(images);
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if (images.size() != 1) {
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binding.tvImagePreviewIndicator.setVisibility(View.VISIBLE);
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int index = getIntent().getIntExtra(INTENT_KEY_IN_IMAGE_INDEX,0);
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if (index < images.size()) {
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binding.viewPager.setCurrentItem(index);
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}
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}
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}
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@Override
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public void initLiveDataObserve() {
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}
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@NonNull
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@Override
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protected ImmersionBar createStatusBarConfig() {
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return super.createStatusBarConfig()
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// 隐藏状态栏和导航栏
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.hideBar(BarHide.FLAG_HIDE_BAR);
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}
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@Override
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public boolean isStatusBarDarkFont() {
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return false;
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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}
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}
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