[英]Gridlayout with 2x2 imageview android
我有一个从适配器获取4个图像视图的gridview,我希望将它们调整为2x2大小并安装在屏幕上。
这是该代码:
@Override
protected View createQuizContentView() {
mAnswerView = new GridView(getContext());
StateListDrawable selector = new StateListDrawable();
selector.addState(new int[]{android.R.attr.state_pressed}, new ColorDrawable(Color.LTGRAY));
selector.addState(new int[]{-android.R.attr.state_pressed}, new ColorDrawable(Color.WHITE));
mAnswerView.setSelector(selector);
//mAnswerView.setSelector(R.drawable.selector_button);
mAnswerView.setNumColumns(2);
mAnswerView.setAdapter(new OptionsQuizAdapter(getQuiz().getOptions(),
R.layout.imgitem_answer));
mAnswerView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
mAnswered = position;
allowAnswers(mAnswerView,position);
}
});
return mAnswerView;
}
和
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
LayoutInflater inflater = LayoutInflater.from(parent.getContext());
convertView = inflater.inflate(mLayoutId, parent, false);
}
final ImageView imageView;
String text = getText(position);
Context context = parent.getContext();
Resources resources = context.getResources();
String stripped = text.replace("-", "");
final int resourceId = resources.getIdentifier(stripped, "drawable",
context.getPackageName());
Drawable d = ContextCompat.getDrawable(context, resourceId);
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
Point size = new Point();
display.getSize(size);
int height = size.y;
double dviewheight = height/3.32;
int viewheight = (int)dviewheight;
imageView = (ImageView) convertView;
imageView.setPadding(64, 64, 64, 64);
convertView.setLayoutParams(newGridView.LayoutParams(GridView.AUTO_FIT, viewheight));
imageView.setImageDrawable(d);
return imageView;
}
目前,我正在通过获取屏幕尺寸并对其进行划分来设置gridview内imageview的高度,这在大多数设备分辨率下都可以正常工作,但是我仍然希望有一个更动态的解决方案,如果我向gridview添加更多行,该解决方案就可以使用。
它是这样的:
当我在高度上使用GridView.AUTO_FIT时,它将添加很多无用的空间,并且我在右侧得到一个滚动条,如下所示:
我尝试了几种配置和延伸,但似乎都没有用。 任何方式来实现我想要的编程方式而无需xml?
试试这个:gridView.setNumColumns(2);
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