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android - PageViewer 顶部和底部有白色边框

转载 作者:搜寻专家 更新时间:2023-11-01 08:55:07 25 4
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我的图像没有完全适应屏幕。顶部和底部有白色边框我的图像有 700x1002。

有人可以帮助我获得这些边缘并使图像/容器完全适合屏幕吗?

布局.xml:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_above="@+id/linearActions" >

<android.support.v4.view.ViewPager
android:id="@+id/tourImageViewPager"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</android.support.v4.view.ViewPager>
</FrameLayout>

<LinearLayout
android:id="@+id/linearActions"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="@color/tour_bg"
android:orientation="horizontal" >

<Button
android:id="@+id/btnIdentify"
android:layout_width="wrap_content"
android:layout_height="45dp"
android:layout_marginBottom="24dp"
android:layout_marginLeft="30dp"
android:background="@color/buttonColorWhite"
android:layout_marginTop="27dp"
android:textSize="16sp"/>

<Button
android:id="@+id/btnGoHome"
android:layout_width="wrap_content"
android:layout_height="45dp"
android:layout_marginBottom="24dp"
android:layout_marginLeft="60dp"
android:layout_marginRight="30dp"
android:layout_marginTop="27dp"
android:background="@color/buttonColorBlue"
android:textSize="16sp"/>
</LinearLayout>

<RelativeLayout
android:id="@+id/relativeCircle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/linearActions"
android:layout_marginBottom="24dp"
android:background="@null" >

<com.viewpagerindicator.CirclePageIndicator
android:id="@+id/tourImageIndicator"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
app:fillColor="#027CC3"
app:pageColor="#CCCCCC" />
</RelativeLayout>

</RelativeLayout>

我的适配器:

public class MyAdapter extends PagerAdapter {

Activity activity;
int imageArray[];

public MyAdapter(Activity act, int[] imgArray) {
imageArray = imgArray;
activity = act;
}

public Object instantiateItem(View collection, int position) {
ImageView view = new ImageView(activity);
view.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT));
view.setScaleType(ScaleType.FIT_CENTER);
view.setImageResource(imageArray[position]);
((ViewPager) collection).addView(view, 0);
return view;
}

@Override
public void destroyItem(View arg0, int arg1, Object arg2) {
((ViewPager) arg0).removeView((View) arg2);
}

@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == ((View) arg1);
}

@Override
public int getCount() {
return imageArray.length;
}

@Override
public Parcelable saveState() {
return null;
}
}

最佳答案

尝试将您的 view.setScaleType(ScaleType.FIT_CENTER); 更改为 view.setScaleType(ScaleType.CENTER_CROP);

关于android - PageViewer 顶部和底部有白色边框,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/19624621/

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