为GridView的Android第一项更大的图像 [英] Bigger image for first item of the gridview android
本文介绍了为GridView的Android第一项更大的图像的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我是新用户,并在这里工作Android应用程序请求的自定义滚动视图(如下图所示链接)。这是非常相似的,除了第一个图像一个gridview。我试图用沿补充大量的ImageView与GridView控件。但它失败。任何人有什么建议?
I am new user here and working android app that requests a custom scroll view (shown as below link). It is very similar a gridview except the first image. I tried to use add a large imageview along with gridview. But it fails. Anyone has any suggestion?
推荐答案
我奶源得到使用低于code如下图:
I mange to get following image using the below code:
我把code将该博客:
// please check this part.
@Override
public View getView(int arg0, View arg1, ViewGroup arg2) {
ImageView imageView;
if(arg1==null){
imageView = new ImageView(DemoGridViewActivity.this){
@Override
protected void onMeasure(int widthMeasureSpec,
int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(getMeasuredWidth(), getMeasuredWidth());
}
};
}else{
imageView = (ImageView) arg1;
}
imageView.setLayoutParams(new GridView.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT));
imageView.setBackgroundColor(Color.BLUE);
imageView.setScaleType(ScaleType.FIT_XY);
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher);
//according to the position return proper imageview with bitmap
//for case 0 - top-left part
//for case 1 - top-right
//for case 5 - bottom-left
//for case 6 - bottom-right
switch(arg0){
case 0:
imageView.setImageBitmap(Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth()/2, bitmap.getHeight()/2));
imageView.setBackgroundColor(Color.RED);
return imageView;
case 1:
imageView.setImageBitmap(Bitmap.createBitmap(bitmap, bitmap.getWidth()/2, 0, bitmap.getWidth()/2, bitmap.getHeight()/2));
imageView.setBackgroundColor(Color.GREEN);
return imageView;
case 5:
imageView.setImageBitmap(Bitmap.createBitmap(bitmap, 0, bitmap.getHeight()/2, bitmap.getWidth()/2, bitmap.getHeight()/2));
imageView.setBackgroundColor(Color.YELLOW);
return imageView;
case 6:
imageView.setImageBitmap(Bitmap.createBitmap(bitmap, bitmap.getWidth()/2, bitmap.getHeight()/2, bitmap.getWidth()/2, bitmap.getHeight()/2));
imageView.setBackgroundColor(Color.MAGENTA);
return imageView;
default:
imageView.setImageResource(R.drawable.ic_launcher);
return imageView;
}
}
}
}
<?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" >
<GridView
android:id="@+id/gridView1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:numColumns="5" >
</GridView>
</LinearLayout>
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