android|android 简单的浏览图片 android简单的浏览图片

/** * 浏览图片 */ public class ImagePagerActivity extends BaseActivity {@BindView(R.id.pager) ImageViewPager mPager; @BindView(R.id.indicator) TextView indicator; private int pagerPosition; private static final String STATE_POSITION = "STATE_POSITION"; public static final String EXTRA_IMAGE_INDEX = "image_index"; public static final String EXTRA_IMAGE_URLS = "image_urls"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // TODO: add setContentView(...) invocation ButterKnife.bind(this); initView(); if (savedInstanceState != null) { pagerPosition = savedInstanceState.getInt(STATE_POSITION); } }private void initView() { pagerPosition = getIntent().getIntExtra(EXTRA_IMAGE_INDEX, 0); ArrayList urls = getIntent().getStringArrayListExtra(EXTRA_IMAGE_URLS); MyImageAdapter mAdapter = new MyImageAdapter(urls); mPager.setAdapter(mAdapter); CharSequence text = getString(R.string.viewpager_indicator, 1, mPager.getAdapter().getCount()); indicator.setText(text); // 更新下标 mPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrollStateChanged(int arg0) { }@Override public void onPageScrolled(int arg0, float arg1, int arg2) { }@Override public void onPageSelected(int arg0) { CharSequence text = getString(R.string.viewpager_indicator, arg0 + 1, mPager.getAdapter().getCount()); indicator.setText(text); }}); mPager.setCurrentItem(pagerPosition); }@Override public int setLayoutId() { return R.layout.image_pager_activity; }@Override public String setTitle() { return getString(R.string.string_brows_pictures); }@Override public void wingetListener() {}@Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putInt(STATE_POSITION, mPager.getCurrentItem()); }class MyImageAdapter extends PagerAdapter { private List imageUrls; public MyImageAdapter(List imageUrls) { this.imageUrls = imageUrls; }@Override public Object instantiateItem(ViewGroup container, int position) { String url = imageUrls.get(position); PhotoView photoView = new PhotoView(ImagePagerActivity.this); GlideUtil.loadAty(url, photoView); container.addView(photoView); photoView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { ImagePagerActivity.this.finish(); } }); return photoView; }@Override public int getCount() { return imageUrls != null ? imageUrls.size() : 0; }@Override public boolean isViewFromObject(View view, Object object) { return view == object; }@Override public void destroyItem(ViewGroup container, int position, Object object) { container.removeView((View) object); }@Override public int getItemPosition(Object object) { return POSITION_NONE; }} }

【android|android 简单的浏览图片】

android|android 简单的浏览图片

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