点击查看大图Activity
1.使用方式
Intent intent = new Intent(FriendCircleActivity.this, ImageGralleryPagerActivity.class);
//0，索引，第几张图片 intent.putExtra(ImageGralleryPagerActivity.EXTRA_IMAGE_INDEX, 0); ArrayList<String> imgs = new ArrayList<String>(); imgs.add(“图片URL”); intent.putStringArrayListExtra("imgs", imgs); startActivity(intent);
2.展示大图Activity
import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentStatePagerAdapter; import android.support.v4.view.ViewPager; import android.text.SpannableString; import android.text.style.RelativeSizeSpan; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.TextView; import com.jlm.happyselling.R; import com.jlm.happyselling.base.ECSuperActivity; import com.jlm.happyselling.helper.IMessageSqlManager; import com.jlm.happyselling.model.ViewImageInfo; import com.jlm.happyselling.util.ECUtils; import com.jlm.happyselling.util.FileAccessor; import com.jlm.happyselling.util.LogUtil; import com.jlm.happyselling.util.ToastUtil; import com.jlm.happyselling.widget.HackyViewPager; import java.io.File; import java.util.List; public class ImageGralleryPagerActivity extends ECSuperActivity implements View.OnClickListener { private static final String TAG = "ImageGralleryPagerActivity"; 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"; public static final String EXTRA_IMAGE_URLS_ID = "image_urls_id"; public static boolean isFireMsg = false; /** * */ private boolean mFullscreen = true; private HackyViewPager mPager; private int pagerPosition; private TextView indicator; private List<ViewImageInfo> urls; private List<String> imgs; @Override protected int getLayoutId() { return R.layout.image_grallery_container; } @Override protected boolean isEnableSwipe() { // TODO Auto-generated method stub return false; } public static String sgId; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getTopBarView().setTopBarToStatus(1, R.drawable.topbar_back_bt, -1, "1 / 1", this); if (!getIntent().hasExtra("imgs")) { ImageGalleryFragment.i = 0; pagerPosition = getIntent().getIntExtra(EXTRA_IMAGE_INDEX, 0); urls = getIntent().getParcelableArrayListExtra(EXTRA_IMAGE_URLS); sgId = getIntent().getStringExtra(EXTRA_IMAGE_URLS_ID); onChatImgLayout(); } else { ImageGalleryFragment2.i = 0; pagerPosition = getIntent().getIntExtra(EXTRA_IMAGE_INDEX, 0); imgs = getIntent().getStringArrayListExtra("imgs"); onImgLayout(); } // 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) { initIndicatorIndex(arg0); } }); if (savedInstanceState != null) { pagerPosition = savedInstanceState.getInt(STATE_POSITION); } mPager.setCurrentItem(pagerPosition); initIndicatorIndex(pagerPosition); setTitleFooterVisible(true); } private void onImgLayout() { if (imgs == null || imgs.isEmpty()) { finish(); return; } if (pagerPosition > imgs.size()) { pagerPosition = 0; } setActionBarTitle(pagerPosition + "/" + (imgs != null ? imgs.size() : 0)); mPager = (HackyViewPager) findViewById(R.id.pager); final ImagePagerAdapter1 adapter1 = new ImagePagerAdapter1(getSupportFragmentManager(),imgs); mPager.setAdapter(adapter1); indicator = (TextView) findViewById(R.id.indicator); } private void onChatImgLayout() { if (urls == null || urls.isEmpty()) { finish(); return; } if (pagerPosition > urls.size()) { pagerPosition = 0; } setActionBarTitle(pagerPosition + "/" + (urls != null ? urls.size() : 0)); mPager = (HackyViewPager) findViewById(R.id.pager); final ImagePagerAdapter mAdapter = new ImagePagerAdapter(getSupportFragmentManager(), urls); mPager.setAdapter(mAdapter); indicator = (TextView) findViewById(R.id.indicator); findViewById(R.id.imagebrower_iv_save).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (mAdapter != null) { ViewImageInfo viewImageInfo = urls.get(mPager.getCurrentItem()); if (viewImageInfo == null || !viewImageInfo.isDownload()) { ToastUtil.show(R.string.save_img_waite_download); return; } try { File file = new File(FileAccessor.getImagePathName(), viewImageInfo.getPicurl()); if (viewImageInfo != null && viewImageInfo.isGif()) { ECUtils.saveImage(file.getAbsolutePath(), ".gif"); return; } ECUtils.saveImage(file.getAbsolutePath()); } catch (Exception e) { LogUtil.e(TAG, "onContextItemSelected error "); } } } }); //待改 lu if (mAdapter != null) { ViewImageInfo viewImageInfoItem = urls.get(mPager.getCurrentItem()); if (viewImageInfoItem != null && IMessageSqlManager.isFireMsg(viewImageInfoItem.getMsgLocalId())) { findViewById(R.id.imagebrower_iv_save).setVisibility(View.GONE); } else { findViewById(R.id.imagebrower_iv_save).setVisibility(View.GONE); } } } private void initIndicatorIndex(int arg0) { CharSequence text = getString(R.string.viewpager_indicator, arg0 + 1, mPager.getAdapter().getCount()); SpannableString spannableString = new SpannableString(text); spannableString.setSpan(new RelativeSizeSpan(1.5F), 0, text.toString().indexOf("/"), SpannableString.SPAN_PRIORITY); indicator.setText(spannableString); } @Override public void onClick(View v) { mHandlerCallbck.sendEmptyMessageDelayed(1, 350L); switch (v.getId()) { case R.id.btn_left: hideSoftKeyboard(); finish(); break; default: break; } } @Override protected void onDestroy() { super.onDestroy(); if (urls != null) { urls.clear(); urls = null; } if (mHandlerCallbck != null) { mHandlerCallbck.removeCallbacksAndMessages(null); } mPager = null; isFireMsg = false; ImageGalleryFragment.i = 0; System.gc(); } private final Handler mHandlerCallbck = new Handler() { @Override public void dispatchMessage(Message msg) { super.dispatchMessage(msg); mFullscreen = !mFullscreen; setTitleFooterVisible(mFullscreen); } }; @Override public void onBaseContentViewAttach(View contentView) { View activityLayoutView = getActivityLayoutView(); ((ViewGroup) activityLayoutView.getParent()).removeView(activityLayoutView); ((ViewGroup) getWindow().getDecorView()).addView(activityLayoutView, 1); } /** * @param request */ private void requestStatusbars(boolean request) { if (request) { getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); return; } LogUtil.d(getClass().getSimpleName(), "request custom title"); getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN); } /** * Full screen, hidden actionBar * * @param visible */ void setTitleFooterVisible(boolean visible) { if (visible) { requestStatusbars(false); showTitleView(); return; } requestStatusbars(true); hideTitleView(); } @Override public void onSaveInstanceState(Bundle outState) { outState.putInt(STATE_POSITION, mPager.getCurrentItem()); } private class ImagePagerAdapter extends FragmentStatePagerAdapter { public List<ViewImageInfo> fileList; public ImagePagerAdapter(FragmentManager fm, List<ViewImageInfo> fileList) { super(fm); this.fileList = fileList; } @Override public int getCount() { return fileList == null ? 0 : fileList.size(); } @Override public Fragment getItem(int position) { ViewImageInfo url = fileList.get(position); return ImageGalleryFragment.newInstance(url); } } private class ImagePagerAdapter1 extends FragmentStatePagerAdapter { public List<String> fileList; public ImagePagerAdapter1(FragmentManager fm, List<String> fileList) { super(fm); this.fileList = fileList; } @Override public int getCount() { return fileList == null ? 0 : fileList.size(); } @Override public Fragment getItem(int position) { String url = fileList.get(position); return ImageGalleryFragment2.newInstance(url); } } @Override public boolean isEnableRightSlideGesture() { return false; } }
3.布局文件
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:fitsSystemWindows="true" android:background="#ff171b19"> <com.jlm.happyselling.widget.HackyViewPager android:id="@+id/pager" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@android:color/black" /> <RelativeLayout android:id="@+id/imagebrower_layout_pagelayout" android:background="#5e171b19" android:paddingLeft="15.0dip" android:paddingRight="15.0dip" android:layout_width="fill_parent" android:layout_height="wrap_content" android:minHeight="80.0dip" android:layout_alignParentBottom="true"> <ImageView android:id="@+id/imagebrower_iv_save" android:layout_width="wrap_content" android:layout_height="wrap_content" android:visibility="visible" android:layout_alignParentLeft="true" android:layout_centerVertical="true" /> <TextView android:textSize="18.0sp" android:textColor="#ffcdcdcd" android:id="@+id/indicator" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_centerVertical="true" /> </RelativeLayout> </RelativeLayout>
