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我在我的应用程序中实现了一个使用ViewPager的活动,并使用PagerAdapter显示4个图像。您只能看到一个图像,并显示下一个您必须刷卡。 图像的大小不是很大,我不知道为什么,但发生错误“java.lang.OutOfMemoryError位图大小超过虚拟机预算pageradapter”。如何处理java.lang.OutOfMemoryError位图大小超过虚拟机预算pageradapter?
这是我的代码:
public class InfoActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.information);
MyPagerAdapter adapter = new MyPagerAdapter();
ViewPager myPager = (ViewPager) findViewById(R.id.mypanelpager);
myPager.setAdapter(adapter);
myPager.setCurrentItem(0);
}
private class MyPagerAdapter extends PagerAdapter {
public int getCount() {
return 4;
}
public Object instantiateItem(View collection, int position) {
LayoutInflater inflater = (LayoutInflater) collection.getContext()
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
int resId = 0;
switch (position) {
case 0:
resId = R.layout.farleft;
break;
case 1:
resId = R.layout.left;
break;
case 2:
resId = R.layout.middle;
break;
case 3:
resId = R.layout.right;
break;
}
View view = inflater.inflate(resId, null);
((ViewPager) collection).addView(view, 0);
return view;
}
@Override
public void destroyItem(View arg0, int arg1, Object arg2) {
((ViewPager) arg0).removeView((View) arg2);
}
@Override
public void finishUpdate(View arg0) {
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == ((View) arg1);
}
@Override
public void restoreState(Parcelable arg0, ClassLoader arg1) {
}
@Override
public Parcelable saveState() {
return null;
}
@Override
public void startUpdate(View arg0) {
}
}
}
的R.layout.right是:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<ImageView
android:id="@+id/imageView1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:adjustViewBounds="true"
android:scaleType="fitXY"
android:src="@drawable/info4"
android:contentDescription="@string/fourthInfoImage">
</ImageView>
</LinearLayout>
,其余的是除了源图像等号。 我该如何纠正这个错误?关于这个错误有几个帖子,但我没有找到解决我的问题的那个。我相信“destroyItem”功能不叫..
谢谢
P.S. 其实我遵循http://mobile.tutsplus.com