У меня есть фон GridView, который прозрачен для его основного макета. Элемент списка также должен иметь прозрачный фон, но разделитель должен иметь другой цвет. Как этого можно достичь?
Основной контейнер (прорисовка изображения настраивается прогаматически)
<*************.AutoGridView
android:id="@+id/dashMenu"
android:layout_width="match_parent"
android:layout_height="210dp"
android:layout_alignParentBottom="true"
android:background="@android:color/transparent"
android:horizontalSpacing="1dp"
android:numColumns="@integer/grid_columns"
android:scrollbars="none"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp"
android:visibility="visible" />
товар
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:id="@+id/menuWrapper"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical"
android:padding="12dp"
tools:ignore="UseCompoundDrawables">
<ImageView
android:id="@+id/menuImg"
android:layout_width="58dp"
android:layout_height="58dp"
android:padding="8dp"
android:src="@mipmap/ic_launcher" />
<TextView
android:id="@+id/menuLabel"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fontFamily="@font/montserrat_regular"
android:gravity="center_horizontal"
android:paddingBottom="6dp"
android:text="Menu Item"
android:textColor="@color/white"
android:textSize="12sp" />
</LinearLayout>
</RelativeLayout>
Адаптер
public class HomeMenuAdapter extends BaseAdapter {
private Context mContext;
private ArrayList<Menu> menus;
public HomeMenuAdapter(Context context, ArrayList<Menu> menus) {
mContext = context;
this.menus = menus;
}
@Override
public int getCount() {
return menus.size();
}
@Override
public Menu getItem(int position) {
return menus.get(position);
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater layoutInflater = LayoutInflater.from(mContext);
Menu menu = menus.get(position);
ImageView menuImage;
TextView menuLabel;
View v;
if (convertView == null) {
v = layoutInflater.inflate(R.layout.dash_menu_item, null);
} else {
v = convertView;
}
/*int columns = 3;
int total = menus.size();
int rows = total / columns;
LinearLayout menuWrapper = v.findViewById(R.id.menuWrapper);
if (((position + 1) % columns) == 0) {
if((total - position) > columns ) {
CommonUtils.setDrawableBackground(mContext, menuWrapper, R.drawable.menu_border_bottom);
} else {
CommonUtils.setDrawableBackground(mContext, menuWrapper, R.drawable.menu_border_neutral);
}
} else if((total - position) > columns ) {
CommonUtils.setDrawableBackground(mContext, menuWrapper, R.drawable.menu_border_right_bottom);
} else {
CommonUtils.setDrawableBackground(mContext, menuWrapper, R.drawable.menu_border_right);
}
*/
menuImage = v.findViewById(R.id.menuImg);
menuLabel = v.findViewById(R.id.menuLabel);
if(menu.getIcon() != null && !TextUtils.isEmpty(menu.getIcon()) &&
URLUtil.isValidUrl(menu.getIcon())) {
RequestOptions requestOptions = new RequestOptions();
requestOptions.error(menu.getIconId());
Glide.with(menuImage).applyDefaultRequestOptions(requestOptions)
.load(menu.getIcon()).into(menuImage);
} else if(menu.getIconId() != 0) {
setImage(menuImage, menu.getIconId());
}
menuLabel.setText(menu.getName());
v.setOnClickListener(new OnOneClickListener() {
@Override
public void onOneClick(View v) {
new Router(mContext).route(menu);
}
});
return v;
}
private void setImage(ImageView menuImage, int iconId) {
menuImage.setImageDrawable(mContext.getResources().getDrawable(
iconId));
}
}
AutoGridView
public class AutoGridView extends GridView {
private static final String TAG = "AutoGridView";
private int numColumnsID;
private int previousFirstVisible;
private int numColumns = 1;
public AutoGridView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(attrs);
}
public AutoGridView(Context context, AttributeSet attrs) {
super(context, attrs);
init(attrs);
}
public AutoGridView(Context context) {
super(context);
}
/**
* Sets the numColumns based on the attributeset
*/
private void init(AttributeSet attrs) {
// Read numColumns out of the AttributeSet
int count = attrs.getAttributeCount();
if(count > 0) {
for(int i = 0; i < count; i++) {
String name = attrs.getAttributeName(i);
if(name != null && name.equals("numColumns")) {
// Update columns
this.numColumnsID = attrs.getAttributeResourceValue(i, 1);
updateColumns();
break;
}
}
}
Log.d(TAG, "numColumns set to: " + numColumns);
}
/**
* Reads the amount of columns from the resource file and
* updates the "numColumns" variable
*/
private void updateColumns() {
this.numColumns = getContext().getResources().getInteger(numColumnsID);
}
@Override
public void setNumColumns(int numColumns) {
this.numColumns = numColumns;
super.setNumColumns(numColumns);
Log.d(TAG, "setSelection --> " + previousFirstVisible);
setSelection(previousFirstVisible);
}
@Override
protected void onLayout(boolean changed, int leftPos, int topPos, int rightPos, int bottomPos) {
super.onLayout(changed, leftPos, topPos, rightPos, bottomPos);
setHeights();
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
updateColumns();
setNumColumns(this.numColumns);
}
@Override
protected void onScrollChanged(int newHorizontal, int newVertical, int oldHorizontal, int oldVertical) {
// Check if the first visible position has changed due to this scroll
int firstVisible = getFirstVisiblePosition();
if(previousFirstVisible != firstVisible) {
// Update position, and update heights
previousFirstVisible = firstVisible;
setHeights();
}
super.onScrollChanged(newHorizontal, newVertical, oldHorizontal, oldVertical);
}
/**
* Sets the height of each view in a row equal to the height of the tallest view in this row.
*/
private void setHeights() {
ListAdapter adapter = getAdapter();
if(adapter != null) {
for(int i = 0; i < getChildCount(); i+=numColumns) {
// Determine the maximum height for this row
int maxHeight = 0;
for(int j = i; j < i+numColumns; j++) {
View view = getChildAt(j);
if(view != null && view.getHeight() > maxHeight) {
maxHeight = view.getHeight();
}
}
//Log.d(TAG, "Max height for row #" + i/numColumns + ": " + maxHeight);
// Set max height for each element in this row
if(maxHeight > 0) {
for(int j = i; j < i+numColumns; j++) {
View view = getChildAt(j);
if(view != null && view.getHeight() != maxHeight) {
view.setMinimumHeight(maxHeight);
}
}
}
}
}
}
}
Не предлагать добавить дополнительный вид (пожалуйста).