Files
assistant-android/app/src/main/java/com/gh/gamecenter/ViewImageActivity.java
2016-04-28 14:55:17 +08:00

151 lines
3.7 KiB
Java

package com.gh.gamecenter;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView.ScaleType;
import android.widget.RelativeLayout;
import com.gh.base.BaseActivity;
import com.gh.common.util.DisplayUtils;
import com.gh.common.util.ImageUtils;
import com.gh.common.view.Gh_ImageView;
import com.gh.common.view.Gh_ImageView.OnSingleTapListener;
import java.util.ArrayList;
/**
* 查看游戏截图页面
*
* @author 黄壮华
*
*/
public class ViewImageActivity extends BaseActivity implements
OnPageChangeListener {
private ViewPager viewimage_vp_show;
private ViewImageAdapter adapter;
private View viewimage_slide_line;
private RelativeLayout.LayoutParams rparams;
private ArrayList<String> urls;
private int current;
private int width;
private String scaleType;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent intent = getIntent();
urls = intent.getStringArrayListExtra("urls");
current = intent.getIntExtra("current", 0);
scaleType = intent.getStringExtra("ScaleType");
setContentView(R.layout.activity_viewimage);
DisplayMetrics outMetrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(outMetrics);
width = outMetrics.widthPixels / urls.size();
rparams = new RelativeLayout.LayoutParams(width, DisplayUtils.dip2px(
getApplicationContext(), 1));
rparams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
rparams.bottomMargin = DisplayUtils.dip2px(getApplicationContext(), 10);
rparams.leftMargin = width * current;
viewimage_slide_line = findViewById(R.id.viewimage_slide_line);
viewimage_slide_line.setLayoutParams(rparams);
viewimage_vp_show = (ViewPager) findViewById(R.id.viewimage_vp_show);
adapter = new ViewImageAdapter();
viewimage_vp_show.setAdapter(adapter);
viewimage_vp_show.setCurrentItem(current);
viewimage_vp_show.addOnPageChangeListener(this);
}
private class ViewImageAdapter extends PagerAdapter implements
OnSingleTapListener {
@Override
public int getCount() {
return urls.size();
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
Gh_ImageView imageView = new Gh_ImageView(ViewImageActivity.this);
imageView.setOnSingleTapListener(this);
if (scaleType != null) {
ImageUtils.getInstance(getApplicationContext()).display(
urls.get(position), imageView, ScaleType.FIT_CENTER);
} else {
ImageUtils.getInstance(getApplicationContext()).display(
urls.get(position), imageView);
}
container.addView(imageView);
return imageView;
}
@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);
object = null;
}
@Override
public void onSingleTap() {
finish();
}
}
@Override
public void onPageScrollStateChanged(int newState) {
}
@Override
public void onPageScrolled(int position, float positionOffset,
int positionOffsetPixels) {
if (positionOffset != 0) {
rparams.leftMargin = (int) (width * (positionOffset + position));
viewimage_slide_line.setLayoutParams(rparams);
}
}
@Override
public void onPageSelected(int position) {
}
@Override
protected void onDestroy() {
super.onDestroy();
viewimage_vp_show = null;
adapter = null;
viewimage_slide_line = null;
rparams = null;
urls = null;
}
}