我们正面临着textwatcherlistener（即键盘）多次出现的问题。 Edittext输入类型为数字，但屏幕显示2个小键盘，即数字和默认键盘。 。 我们正在使用expandlistview（在另外一个expandlustview动态数据中）具有一个edittext。使用textwatcher列表器编辑文本。用childview编写的textwatcher代码。
试图隐藏键盘，但是没有用。
import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.support.v7.widget.CardView;
import android.text.Editable;
import android.text.InputType;
import android.text.TextWatcher;
import android.text.method.TextKeyListener;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.BaseExpandableListAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ExpandableListView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.wavelabs.waterlily.main.R;
import com.wavelabs.waterlily.main.activities.SelectProductActivity;
import com.wavelabs.waterlily.main.model.IGrouponListener;
import com.wavelabs.waterlily.main.model.Product;
import com.wavelabs.waterlily.main.model.ProductCategory;
import java.util.ArrayList;
import java.util.List;
import static android.graphics.Typeface.BOLD;
import static android.view.View.GONE;
public class CategoriesAdapter extends BaseExpandableListAdapter {
private static final String RETAILERLABEL = "RETAILER";
private List<ProductCategory> parentData;
private Context context;
private IGrouponListener grouponListener;
private ClickListener clickListener;
private boolean isResettingKeyboard;
public CategoriesAdapter(List<ProductCategory> productHeaders, Context context) {
this.parentData = productHeaders;
this.context = context;
this.grouponListener = (IGrouponListener) context;
}
@Override
public int getGroupCount() {
return parentData.size();
}
@Override
public int getChildrenCount(int groupPosition) {
if (parentData.get(groupPosition).isHasSubCategory()) {
return 1;
} else {
int subCategoryCount = parentData.get(groupPosition).getProduct().isEmpty() ? 1 : parentData.get(groupPosition).getProduct().size();
return subCategoryCount;
}
// int subCategoryCount = parentData.get(groupPosition).isHasSubCategory() ? parentData.get(groupPosition).getSubCategories().size() : 0;
// Log.i("Tag","10");
}
@Override
public Object getGroup(int groupPosition) {
return parentData.get(groupPosition);
}
@Override
public Object getChild(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public boolean hasStableIds() {
return true;
}
@TargetApi(Build.VERSION_CODES.M)
@Override
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View inflate = inflater.inflate(R.layout.row_first, null);
TextView text = inflate.findViewById(R.id.tv_rowParentText);
CardView card = inflate.findViewById(R.id.card_parent);
ImageView imageView = inflate.findViewById(R.id.imageView_indicator);
TextView textViewChild = inflate.findViewById(R.id.tv_rowChildText);
ImageView imageViewChildIndicator = inflate.findViewById(R.id.imageViewChild_indicator);
ProductCategory productCategory = parentData.get(groupPosition);
String parentId = productCategory.getParentCatId();
if (parentId.equals("null")) {
text.setVisibility(View.VISIBLE);
card.setVisibility(View.VISIBLE);
imageView.setVisibility(View.VISIBLE);
textViewChild.setVisibility(GONE);
imageViewChildIndicator.setVisibility(GONE);
text.setTextAppearance(R.style.TextAppearance_AppCompat_Large);
text.setTextColor(text.getContext().getColor(R.color.textcolor));
text.setTypeface(null, BOLD);
String name = productCategory.getName();
name = name.substring(0,1)+name.substring(1,name.length()).toLowerCase();
text.setText(name.trim());
if (isExpanded) {
imageView.setImageResource(R.mipmap.arrowup_black);
} else {
imageView.setImageResource(R.mipmap.arrowdown_black);
}
} else {
text.setVisibility(View.GONE);
card.setVisibility(View.GONE);
imageView.setVisibility(View.GONE);
textViewChild.setVisibility(View.VISIBLE);
imageViewChildIndicator.setVisibility(View.VISIBLE);
textViewChild.setTextAppearance(R.style.TextAppearance_AppCompat_Medium);
textViewChild.setAllCaps(false);
textViewChild.setTypeface(null, BOLD);
textViewChild.setTextColor(text.getContext().getColor(R.color.textcolor));
String name = productCategory.getName();
name = name.substring(0,1)+name.substring(1,name.length()).toLowerCase();
textViewChild.setText(name.trim());
if (isExpanded) {
imageViewChildIndicator.setImageResource(R.mipmap.arrowup_black);
} else {
imageViewChildIndicator.setImageResource(R.mipmap.arrowdown_black);
}
}
return inflate;
}
@Override
public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, final View convertView, ViewGroup parent) {
final ProductCategory productCategory = parentData.get(groupPosition);
View inflate;
if (parentData.get(groupPosition).isHasSubCategory()) {
final ChildLevelExpandableListView childLevelExpandableListView = new ChildLevelExpandableListView(context);
final List<ProductCategory> subCategories = parentData.get(groupPosition).getSubCategories();
final CategoriesAdapter categoriesAdapter = new CategoriesAdapter(subCategories, context);
categoriesAdapter.setOnItemClickListener(clickListener);
childLevelExpandableListView.setAdapter(categoriesAdapter);
childLevelExpandableListView.setGroupIndicator(null);
childLevelExpandableListView.setDividerHeight(2);
childLevelExpandableListView.setDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS);
childLevelExpandableListView.setScrollBarSize(0);
childLevelExpandableListView.setPadding(25,0,25,0);
childLevelExpandableListView.setItemsCanFocus(true);
childLevelExpandableListView.setOnGroupExpandListener(new ExpandableListView.OnGroupExpandListener() {
@Override
public void onGroupExpand(int groupPosition) {
if(childLevelExpandableListView.isGroupExpanded(groupPosition)){
Log.i("TAG","isExpanded");
}
if (grouponListener != null) {
grouponListener.onGroupExpandedListener(subCategories.get(groupPosition), categoriesAdapter,childLevelExpandableListView,groupPosition);
}
}
});
childLevelExpandableListView.setOnGroupClickListener(new ExpandableListView.OnGroupClickListener() {
@Override
public boolean onGroupClick(ExpandableListView expandableListView, View view, int i, long l) {
return false;
}
});
return childLevelExpandableListView;
} else {
if (!productCategory.getProduct().isEmpty()) {
LayoutInflater layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflate = layoutInflater.inflate(R.layout.item_product_list, null);
TextView tvName = inflate.findViewById(R.id.tv_listProductItem_name);
TextView tvCost = inflate.findViewById(R.id.tv_listProductItem_cost);
final Button btnAdd = inflate.findViewById(R.id.btn_productList_add);
final LinearLayout llAdditem = inflate.findViewById(R.id.ll_product_additem);
final TextView tvProductQty = inflate.findViewById(R.id.tv_productQty);
final EditText amount = inflate.findViewById(R.id.amount);
final Product product = productCategory.getProduct().get(childPosition);
String productName = product.getProductName();
tvName.setText(productName.trim());
amount.setTag(R.id.amount, childPosition);
if (context instanceof SelectProductActivity) {
SelectProductActivity selectProductActivity = (SelectProductActivity) context;
Product productAvailable = selectProductActivity.isProductAvailable(product);
amount.addTextChangedListener(new TextWatcher() {
boolean editing = false;
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
@Override
public void afterTextChanged(Editable s) {
String enteredAmount = s.toString();
Object tag = amount.getTag(R.id.amount);
Log.d("position",""+tag);
if(!editing) {
editing = true;
if (enteredAmount.length() > 0) {
try {
final int amountselected = Integer.parseInt(enteredAmount);
product.setCategoryName(productCategory.getName());
product.setSubcategoryName(productCategory.getName());
Log.i("cat name ",""+product.getCategoryName());
product.setSelectedQty(amountselected);
if (product.getCustomerType().equals(RETAILERLABEL)) {
Log.d("Prodyct Adapter ",product.getProductName());
clickListener.onItemClick(childPosition, amount, "plus", product.getRrp(), amountselected, product);
} else {
Log.d("Prodyct Adapter ",product.getProductName());
clickListener.onItemClick(childPosition, amount, "plus", product.getDrp(), amountselected, product);
}
}catch(Exception ex){
ex.printStackTrace();
}
} else {
InputMethodManager imm = (InputMethodManager) convertView.getContext()
.getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(convertView.getWindowToken(), 0);
amount.getText().clear();
amount.append("");
}
editing = false;
}
}
});
if (productAvailable != null) {
product.setSelectedQty(productAvailable.getSelectedQty());
tvProductQty.setText("" + productAvailable.getSelectedQty());
amount.setText("" + productAvailable.getSelectedQty());
Log.i("qty", "" + productAvailable.getSelectedQty());
} else {
tvProductQty.setText("0");
product.setSelectedQty(0);
amount.setText("0");
if (product.getSelectedQty() == 0) {
Log.i("productname in Adapter:",""+product.getProductName());
Log.i("productQty in Adapter:",""+product.getSelectedQty());
llAdditem.setVisibility(View.GONE);
btnAdd.setVisibility(View.VISIBLE);
}
}
}
if (product.getCustomerType().equals(RETAILERLABEL)) {
String s = parent.getResources().getString(R.string.rupeeSymbol) +" "+product.getRrp();
tvCost.setText(s.trim());
} else {
String s = parent.getResources().getString(R.string.rupeeSymbol) +" "+product.getDrp();
tvCost.setText(s.trim());
}
tvProductQty.setText("" + product.getSelectedQty());
if (product.getSelectedQty() >= 1) {
btnAdd.setVisibility(View.INVISIBLE);
llAdditem.setVisibility(View.VISIBLE);
} else {
Log.i("TAG", "Called Child Position" + childPosition + " And Quantity is " + product.getSelectedQty());
llAdditem.setVisibility(View.INVISIBLE);
btnAdd.setVisibility(View.VISIBLE);
}
btnAdd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
btnAdd.setVisibility(View.GONE);
llAdditem.setVisibility(View.VISIBLE);
product.setSelectedQty(1);
product.setSubcategoryName(productCategory.getName());
Log.i("Add Button Clicked", tvProductQty.getText().toString());
}
});
final ImageView imgDecreaseQty = inflate.findViewById(R.id.img_decreaseQty);
ImageView imgIncreaseQty = inflate.findViewById(R.id.img_increaseQty);
imgIncreaseQty.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
llAdditem.setVisibility(View.VISIBLE);
btnAdd.setVisibility(View.GONE);
String s = tvProductQty.getText().toString();
int qty = Integer.parseInt(s) + 1;
product.setSelectedQty(qty);
tvProductQty.setText("" + qty);
}
});
imgDecreaseQty.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String s = tvProductQty.getText().toString();
int qty = Integer.parseInt(s);
if(product.getSelectedQty()>=1) {
if (qty > 1) {
qty = qty - 1;
tvProductQty.setText("" + qty);
product.setSelectedQty(qty);
} else if (qty == 1) {
llAdditem.setVisibility(View.GONE);
btnAdd.setVisibility(View.VISIBLE);
qty = 0;
product.setSelectedQty(qty);
tvProductQty.setText("" + qty);
}
}
}
});
} else {
LayoutInflater layoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
inflate = layoutInflater.inflate(R.layout.empty_layout, null);
}
}
return inflate;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
public void setOnItemClickListener(ClickListener clickListener) {
this.clickListener = clickListener;
}
public interface ClickListener {
void onItemClick(int position, View v, String type, double price, int quantity, Product product);
}
}