Get database content list in to string - android

I want to swipe between questions with viewpager
1) I'm able to use custom pages like ("text1", "text2", "text3, "text4") with this code:
in pageadapter:
protected static final String[] CONTENT = new String[] { "text1", "text2", "text3, "text4", };
1) But I couldnt get data from database to String like:
new String[] { "myquestion1", "myquestion2", ....... "my lastquestion", }
in my quiz activity:
/**
*
*/
public void initView() {
this.manageView(true);
}
/**
* updates the user interface
*
* #param start whether this is the start of the quiz
*/
#SuppressWarnings("boxing")
public void manageView(final boolean start) {
if (QuizActivity.ll.getChildCount() > 0) {
QuizActivity.ll.removeAllViews();
QuizActivity.ll.addView(QuizActivity.questionText);
}
QuizActivity.warning.setVisibility(View.INVISIBLE);
QuizActivity.warningIcon.setVisibility(View.INVISIBLE);
if (this.q.isReviewing()) {
QuizActivity.warning.setVisibility(View.VISIBLE);
QuizActivity.warningIcon.setVisibility(View.VISIBLE);
if (this.q.getCurrentQuestion().isAnsweredCorrect()) {
QuizActivity.warning.setText(R.string.correct);
QuizActivity.warning.setTextColor(Statics.goodColor);
QuizActivity.warningIcon.setImageResource(R.drawable.correct);
} else {
QuizActivity.warning.setText(R.string.wrong);
QuizActivity.warning.setTextColor(Statics.badColor);
QuizActivity.warningIcon.setImageResource(R.drawable.wrong);
}
}
QuizActivity.back.setEnabled((!start || this.q.isBackAllowed())
&& (!this.q.isFirstQuestion()));
if (this.q.isLastQuestion()) {
QuizActivity.next.setText(R.string.finish);
QuizActivity.next.setCompoundDrawablesWithIntrinsicBounds(null, null,
this.getResources().getDrawable(R.drawable.finish_quiz), null);
} else {
QuizActivity.next.setText(R.string.next);
QuizActivity.next.setCompoundDrawablesWithIntrinsicBounds(null, null,
this.getResources().getDrawable(R.drawable.arrow_right), null);
}
QuizActivity.review.setChecked(this.q.getCurrentQuestion().isMarkedForReview());
if (this.q.isReviewing()) {
QuizActivity.review.setVisibility(View.GONE);
if ((null != this.q.getCurrentQuestion().getExplanation())
&& (this.q.getCurrentQuestion().getExplanation().length() > 0)) {
QuizActivity.explain.setVisibility(View.VISIBLE);
} else {
QuizActivity.explain.setVisibility(View.GONE);
}
}
QuizActivity.progress.setText(this.getString(R.string.q_) + " "
+ this.q.getCurrentQuestionNumber() + "/"
+ this.q.getQuestionCount());
QuizActivity.title.setText(this.q.getCategory().getParentCategoryTitle() + " - "
+ this.q.getCategory().getCategoryTitle());
QuizActivity.questionText.setText(this.q.getCurrentQuestion().getQuestionText());
if (this.q.isShowAmountAnswers()) {
QuizActivity.questionText.append(" (" + this.getString(R.string.select) +
" " + this.q.getCurrentQuestion().getAmountCorrectAnswers() + ")");
}
this.userAnswers = this.q.getCurrentQuestion().getUserAnswers();
this.answers = new LinkedList<CompoundButton>();
if (!this.q.isShowAmountAnswers()
|| (this.q.getCurrentQuestion().getAmountCorrectAnswers() > 1)) {
for (final Answer ans : this.q.getCurrentQuestion().getAnswers()) {
this.answers.add(new CheckBox(this));
this.answers.getLast().setText(ans.getAnswerText());
this.answers.getLast().setId(ans.getAnswerId());
this.answers.getLast().setChecked(this.userAnswers.get(ans.getAnswerId()));
if (this.q.isReviewing()) {
this.answers.getLast().setEnabled(false);
if (ans.isAnswerCorrect()) {
this.answers.getLast().setTextColor(Statics
.goodColor);
} else {
this.answers.getLast().setTextColor(Statics
.badColor);
}
}
QuizActivity.ll.addView(this.answers.getLast());
}
} else {
final RadioGroup rg = new RadioGroup(this);
for (final Answer ans : this.q.getCurrentQuestion().getAnswers()) {
this.answers.add(new RadioButton(this));
this.answers.getLast().setText(ans.getAnswerText());
this.answers.getLast().setId(ans.getAnswerId());
this.answers.getLast().setChecked(this.userAnswers.get(ans.getAnswerId()));
if (this.q.isReviewing()) {
this.answers.getLast().setEnabled(false);
if (ans.isAnswerCorrect()) {
this.answers.getLast().setTextColor(Statics
.goodColor);
} else {
this.answers.getLast().setTextColor(Statics
.badColor);
}
}
this.answers.getLast()
.setOnCheckedChangeListener(new OnCheckedChangeListener() {
#SuppressWarnings("synthetic-access")
#Override
public void onCheckedChanged(final CompoundButton buttonView,
final boolean isChecked) {
for (final View rb : QuizActivity.this.answers)
{
((CompoundButton) rb).setChecked(false);
}
buttonView.setChecked(isChecked);
}
});
rg.addView(this.answers.getLast());
}
QuizActivity.ll.addView(rg);
}
QuizActivity.next.setOnClickListener(this);
QuizActivity.back.setOnClickListener(this);
QuizActivity.explain.setOnClickListener(this);
}
so how can I apply my question list to " new String[] {...,...,... } "

Related

How to speed up data loading into recyclerview?

I'm in a dire situation of finding a solution for speeding up loading data into the RecyclerView. Data load from the server database and populate the row. Each row has a few EditTexts where user enters some values. Within the OnBindViewHolder, each value entered by the user is captured using a text watcher, and then totals are calculated and displayed real-time in the footer of the parent view.(outside the RecyclerView) Also, inside the OnBindViewHolder, a method is called to update a table in the DB, with the values just entered and captured.
So, basically, when each row gets bound, both the DB and the UI get updated. When the data load is huge, loading of the recyclerView is really slow. What I have tried are moving the DB update to a separate thread, using async task to update the DB. But nothing worked. What should I do here?
Adapter's OnBindViewHolder code is displayed below.
public void onBindViewHolder(final MyViewHolder holder, #SuppressLint("RecyclerView") final int position, List<Object> payload) {
//onBindViewHolder(holder,position);
holder.ref = position;
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("dd-MM-yyyy");
onBind = true;
// data passed from getAllData method aka all from TempInvoice
SalesInvoiceModel siModel = salesInvoice.get(position);
holder.code.setText(siModel.getCode());
holder.product.setText(siModel.getProduct());
holder.batchNum.setText(siModel.getBatchNumber());
try {
Date date = simpleDateFormat.parse(siModel.getExpiryDate());
holder.expiry.setText(date.toString());
} catch (Exception ex) {
holder.expiry.setText("Error");
}
holder.expiry.setText(siModel.getExpiryDate());
if (siModel.getDiscountRate() > 0) {
holder.unitprice.setText(siModel.getRetailPrice() + "");
} else {
holder.unitprice.setText(siModel.getUnitPrice() + "");
}
holder.stock.setText(siModel.getStock() + "");
holder.lineval.setText(siModel.getLineValue() + "");
if (payload == null || payload.size() == 0) {
holder.shelf.setText(siModel.getShelf() + "");
holder.request.setText(siModel.getRequest() + "");
holder.order.setText(siModel.getOrder() + "");
holder.free.setText(siModel.getFree() + "");
holder.discount.setText(siModel.getDiscountRate() + "");
} else {
for (Object editText : payload) {
//String val = (String)payload.get(0);
String val = (String) editText;
switch (val) {
case SHELF:
if (lostFocus) {
holder.shelf.setText(salesInvoice.get(position).getShelf() + "");
}
break;
case REQUEST:
if (lostFocus) {
holder.request.setText(salesInvoice.get(position).getRequest() + "");
}
break;
case ORDER:
if (lostFocus) {
holder.order.setText(salesInvoice.get(position).getOrder() + "");
}
break;
case FREE:
if (lostFocus) {
holder.free.setText(salesInvoice.get(position).getFree() + "");
}
break;
case DISCOUNT:
if (lostFocus) {
holder.discount.setText(salesInvoice.get(position).getDiscountRate() + "");
}
break;
case LINEVAL:
holder.lineval.setText(salesInvoice.get(position).getLineValue() + "");
break;
default:
onBindViewHolder(holder, position);
break;
}
}
}
//ADD TEXT WATCHERS
holder.shelf.setOnFocusChangeListener(new FocusChangeListener());
holder.shelf.addTextChangedListener(new GenericTextWatcher() {
#Override
public void afterTextChanged(String s) {
int pos = holder.ref;
if (!onBind) {
if (!s.equals("")) {
notifyItemChanged(pos, SHELF);
Log.d(TAG, "inside text change typed shelf_" + s);
salesInvoice.get(pos).setShelf(Integer.parseInt(s + ""));
} else {
salesInvoice.get(pos).setShelf(0);
}
lastUpdatedRow = pos;
}
}
});
holder.request.setOnFocusChangeListener(new FocusChangeListener());
holder.request.addTextChangedListener(new GenericTextWatcher() {
#Override
public void afterTextChanged(String s) {
boolean valHasChanged = false;
boolean freeHasChanged = false;
int pos = holder.ref;
if (!onBind) {
if (!(s.equals(""))) {
int val = Integer.parseInt((s));
int stock = salesInvoice.get(pos).getStock();
// if stock does not have the particular product
if (val > stock) {
val = stock;
valHasChanged = true;
}
salesInvoice.get(pos).setRequest(val);
if (!refresh) salesInvoice.get(pos).setOrder(val);
if (salesInvoice.get(pos).getFree() + salesInvoice.get(pos).getOrder() > salesInvoice.get(pos).getStock()) {
salesInvoice.get(pos).setFree(0);
freeHasChanged = true;
}
} else {
salesInvoice.get(pos).setRequest(0);
}
notifyItemChanged(pos, ORDER);
if (valHasChanged) {
notifyItemChanged(pos, REQUEST);
}
if (freeHasChanged) {
notifyItemChanged(pos, FREE);
}
lastUpdatedRow = pos;
}
}
});
holder.order.setOnFocusChangeListener(new FocusChangeListener());
holder.order.addTextChangedListener(new GenericTextWatcher() {
#Override
public void afterTextChanged(String s) {
boolean valHasChanged = false;
boolean freeHasChanged = false;
int pos = holder.ref;
if (!onBind) {
if (!(s.equals(""))) {
int val = Integer.parseInt(s);
int stock = salesInvoice.get(pos).getStock();
if (val > stock) {
val = stock;
valHasChanged = true;
}
salesInvoice.get(pos).setOrder(val);//make sure we set returnQty before
//checking the total of returnQty and free against stock
if (salesInvoice.get(pos).getOrder() + salesInvoice.get(pos).getFree() > salesInvoice.get(pos).getStock()) {
salesInvoice.get(pos).setFree(0);
freeHasChanged = true;
}
} else {
salesInvoice.get(pos).setOrder(0);
}
if (valHasChanged) {
notifyItemChanged(pos, ORDER);//notify the adapter that value changed and refresh the view mentioned by the string
}
if (freeHasChanged) notifyItemChanged(pos, FREE);
notifyItemChanged(pos, LINEVAL);
lastUpdatedRow = pos;
}
}
});
holder.free.setOnFocusChangeListener(new FocusChangeListener());
holder.free.addTextChangedListener(new GenericTextWatcher() {
#Override
public void afterTextChanged(String s) {
boolean valChanged = false;
int pos = holder.ref;
if (!onBind) {
if ((!s.equals("")) && (!(s.equals("0")))) {
int val = Integer.parseInt(s);
salesInvoice.get(pos).setFree(val);
holder.discount.setEnabled(false);
if (salesInvoice.get(pos).getOrder() + salesInvoice.get(pos).getFree() > salesInvoice.get(pos).getStock()) {
salesInvoice.get(pos).setFree(0);
valChanged = true;
holder.discount.setEnabled(true);
}
} else {
salesInvoice.get(pos).setFree(0);
holder.discount.setEnabled(true);
}
notifyItemChanged(pos, LINEVAL);
if (valChanged) notifyItemChanged(pos, FREE);
holder.setCursor(FREE);
lastUpdatedRow = pos;
}
}
});
holder.discount.setOnFocusChangeListener(new FocusChangeListener());
holder.discount.addTextChangedListener(new GenericTextWatcher() {
#Override
public void afterTextChanged(String s) {
int pos = holder.ref;
if (!(s.equals(salesInvoice.get(pos).getDiscountRate() + ""))) {
if ((!s.equals("")) && (!(s.equals("0"))) && (!(s.equals("0.0"))) && (!(s.equals("0.")))) {
Double rate = Double.parseDouble(s.toString().trim());
Log.i(" RAte ", rate + "");
salesInvoice.get(pos).setDiscountRate(rate);
holder.free.setEnabled(false);
} else {
salesInvoice.get(pos).setDiscountRate(0.0);
holder.free.setEnabled(true);
}
if (!onBind) {
notifyItemChanged(pos, LINEVAL);
lastUpdatedRow = pos;
}
}
}
});
if (position % 2 == 0) {
holder.setColor(Color.LTGRAY);
} else {
holder.setColor(Color.GRAY);
}
onBind = false;
notifyUpdate(); //calling to update the UI
Log.d("ASY", "before db call");
DBAdapterAsync dbAdapter = new DBAdapterAsync(getContextForAdapter);
dbAdapter.execute(salesInvoice.get(holder.ref));
Log.d("ASY", "after db call");
}
//async task class for DB Update
#SuppressLint("StaticFieldLeak")
private class DBAdapterAsync extends AsyncTask<SalesInvoiceModel, Void, String> {
private SQLiteDatabase db;
private DBHelper dbHelper;
DBAdapterAsync(Context context) {
this.dbHelper = new DBHelper(context);
Log.d("ASY", "inside constructor");
}
#Override
protected void onPreExecute() {
try {
db = dbHelper.getWritableDatabase();
} catch (Exception ex) {
ex.printStackTrace();
}
}
#Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
try {
dbHelper.close();
} catch (Exception e) {
e.printStackTrace();
}
}
#Override
protected String doInBackground(SalesInvoiceModel... models) {
SalesInvoiceModel model = models[0];
Log.d(TAG, "inside updateInvoiceData_");
Log.d(TAG, "shelf_" + model.getShelf());
Log.d(TAG, "order_" + model.getOrder());
Log.d(TAG, "free_" + model.getFree());
String sql = "UPDATE temp_invoice SET" +
" Shelf=" + model.getShelf() + " , Request=" + model.getRequest()
+ " , OrderQty=" + model.getOrder() + " , Free=" + model.getFree()
+ " , Disc=" + model.getDiscountRate() + " , LineVal=" + model.getLineValue()
+ ", RetailPriceLineVal=" + model.getRetailLineVal()
+ " WHERE _id=" + model.getId();
db.execSQL(sql);
Log.d(TAG, "DB method finished,");
Log.d("ASY", "after do in background");
return null;
}
}

Android - why lost values EditText when scrolled RecyclerView?

I am using from bellow code for converting numbers to currency format when text changes but when I scrolled the recyclerView I lost true data. What can I do :
public class ManagePriceProductsAdapter extends RecyclerView.Adapter<ManagePriceProductsAdapter.ViewHolder> {
private List<ManagePriceProductsModel.DataValue> managePriceProductsModelList;
private Context context;
private getListDiscountInterface getListDiscountInterface;
private int vendorId = -1;
public ManagePriceProductsAdapter(Context context,
List<ManagePriceProductsModel.DataValue> managePriceProductsModelList,
getListDiscountInterface getListDiscountInterface,
int vendorId) {
this.context = context;
this.managePriceProductsModelList = managePriceProductsModelList;
this.getListDiscountInterface = getListDiscountInterface;
this.vendorId = vendorId;
}
#Override
public ManagePriceProductsAdapter.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(context)
.inflate(R.layout.list_item_manage_price_products, viewGroup, false);
return new ManagePriceProductsAdapter.ViewHolder(view,
new DiscountNumberTextWatcherWithSeperator(),
new OriginalNumberTextWatcherWithSeperator());
}
public void getListDiscount() {
getListDiscountInterface.sendGetListDiscountToActivity(managePriceProductsModelList);
}
public void backButton() {
getListDiscountInterface.backButtonForListDiscount(managePriceProductsModelList);
}
public void resetAdapter() {
this.managePriceProductsModelList.clear();
notifyDataSetChanged();
}
#Override
public void onBindViewHolder(final ManagePriceProductsAdapter.ViewHolder viewHolder, int position) {
viewHolder.discountNumberTextWatcherWithSeperator.updatePosition(viewHolder.getAdapterPosition(),
viewHolder.discountPriceEdittext,
viewHolder.originalPriceEdittext);
viewHolder.originalNumberTextWatcherWithSeperator.updatePosition(viewHolder.getAdapterPosition(),
viewHolder.originalPriceEdittext);
try {
if (managePriceProductsModelList.get(viewHolder.getAdapterPosition()).getTitle() != null) {
if (!TextUtils.isEmpty(managePriceProductsModelList.get(viewHolder.getAdapterPosition()).getTitle().trim())) {
String productName = managePriceProductsModelList.get(viewHolder.getAdapterPosition()).getTitle().trim();
viewHolder.titleTextview.setText(productName);
} else {
viewHolder.titleTextview.setText("----");
}
} else {
viewHolder.titleTextview.setText("----");
}
} catch (Exception ex) {
if (vendorId != -1) {
Throwable t = new Throwable(ex + ", vendorId: " + vendorId).fillInStackTrace();
FirebaseCrash.report(t);
} else {
Throwable t = new Throwable(ex + ", vendorId: empty").fillInStackTrace();
FirebaseCrash.report(t);
}
}
try {
if (managePriceProductsModelList.get(viewHolder.getAdapterPosition()).getPrice() != null) {
Long productPrice = managePriceProductsModelList.get(viewHolder.getAdapterPosition()).getPrice();
if (productPrice != null && productPrice != 0 && productPrice > 0) {
viewHolder.originalPriceEdittext.setText(String.valueOf(productPrice));
} else {
viewHolder.originalPriceEdittext.setText("");
}
}
} catch (Exception ex) {
if (vendorId != -1) {
Throwable t = new Throwable(ex + ", vendorId: " + vendorId).fillInStackTrace();
FirebaseCrash.report(t);
} else {
Throwable t = new Throwable(ex + ", vendorId: empty").fillInStackTrace();
FirebaseCrash.report(t);
}
}
try {
if (managePriceProductsModelList.get(viewHolder.getAdapterPosition()).getDiscountedPrice() != null) {
Long discountPrice = managePriceProductsModelList.get(viewHolder.getAdapterPosition()).getDiscountedPrice();
if (discountPrice != null && discountPrice != 0 && discountPrice > 0) {
viewHolder.discountPriceEdittext.setText(String.valueOf(discountPrice));
} else {
viewHolder.discountPriceEdittext.setText("");
}
}
} catch (Exception ex) {
if (vendorId != -1) {
Throwable t = new Throwable(ex + ", vendorId: " + vendorId).fillInStackTrace();
FirebaseCrash.report(t);
} else {
Throwable t = new Throwable(ex + ", vendorId: empty").fillInStackTrace();
FirebaseCrash.report(t);
}
}
}
#Override
public int getItemCount() {
return managePriceProductsModelList.size();
}
public interface getListDiscountInterface {
void sendGetListDiscountToActivity(List<ManagePriceProductsModel.DataValue> managePriceProductsModelList);
void backButtonForListDiscount(List<ManagePriceProductsModel.DataValue> managePriceProductsModelList);
}
class ViewHolder extends RecyclerView.ViewHolder {
//region ViewBinding
#BindView(R.id.title_textview)
TextView titleTextview;
#BindView(R.id.original_price_edittext)
EditText originalPriceEdittext;
#BindView(R.id.discount_price_edittext)
EditText discountPriceEdittext;
DiscountNumberTextWatcherWithSeperator discountNumberTextWatcherWithSeperator;
OriginalNumberTextWatcherWithSeperator originalNumberTextWatcherWithSeperator;
//endregion
ViewHolder(View view,
DiscountNumberTextWatcherWithSeperator discountNumberTextWatcherWithSeperator,
OriginalNumberTextWatcherWithSeperator originalNumberTextWatcherWithSeperator) {
super(view);
ButterKnife.bind(this, itemView);
this.discountNumberTextWatcherWithSeperator = discountNumberTextWatcherWithSeperator;
this.discountPriceEdittext.addTextChangedListener(discountNumberTextWatcherWithSeperator);
this.originalNumberTextWatcherWithSeperator = originalNumberTextWatcherWithSeperator;
this.originalPriceEdittext.addTextChangedListener(originalNumberTextWatcherWithSeperator);
}
}
private class DiscountNumberTextWatcherWithSeperator implements TextWatcher {
private EditText discountEditText;
private EditText originalEditText;
private int position;
private String getDecimalFormattedString(String value) {
StringTokenizer lst = new StringTokenizer(value, ".");
String str1 = value;
String str2 = "";
if (lst.countTokens() > 1) {
str1 = lst.nextToken();
str2 = lst.nextToken();
}
String str3 = "";
int i = 0;
int j = -1 + str1.length();
if (str1.charAt(-1 + str1.length()) == '.') {
j--;
str3 = ".";
}
for (int k = j; ; k--) {
if (k < 0) {
if (str2.length() > 0)
str3 = str3 + "." + str2;
return str3;
}
if (i == 3) {
str3 = "," + str3;
i = 0;
}
str3 = str1.charAt(k) + str3;
i++;
}
}
public void updatePosition(int position,
EditText discountEditText,
EditText originalEditText) {
this.position = position;
this.discountEditText = discountEditText;
this.originalEditText = originalEditText;
}
#Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
#Override
public void onTextChanged(CharSequence charSequence, int start, int before, int count) {
if (charSequence.length() > 0) {
originalEditText.setPaintFlags(originalEditText.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
ManagePriceProductsModel.DataValue dataValue = new ManagePriceProductsModel.DataValue();
dataValue.setTitle(managePriceProductsModelList.get(position).getTitle().trim());
dataValue.setId(managePriceProductsModelList.get(position).getId());
dataValue.setPrice(managePriceProductsModelList.get(position).getPrice());
dataValue.setDiscountedPrice(Long.parseLong(charSequence.toString().replace(",", "")));
managePriceProductsModelList.set(position, dataValue);
} else if (charSequence.length() == 0) {
originalEditText.setPaintFlags(originalEditText.getPaintFlags() & (~Paint.STRIKE_THRU_TEXT_FLAG));
ManagePriceProductsModel.DataValue dataValue = new ManagePriceProductsModel.DataValue();
dataValue.setTitle(managePriceProductsModelList.get(position).getTitle().trim());
dataValue.setId(managePriceProductsModelList.get(position).getId());
dataValue.setPrice(managePriceProductsModelList.get(position).getPrice());
dataValue.setDiscountedPrice(null);
managePriceProductsModelList.set(position, dataValue);
}
}
#Override
public void afterTextChanged(Editable editable) {
try {
discountEditText.removeTextChangedListener(this);
String value = discountEditText.getText().toString();
if (!value.equals("")) {
if (value.startsWith(".")) {
discountEditText.setText("0.");
}
if (value.startsWith("0") && !value.startsWith("0.")) {
discountEditText.setText("");
}
String str = discountEditText.getText().toString().replaceAll(",", "");
if (!value.equals(""))
discountEditText.setText(getDecimalFormattedString(str));
discountEditText.setSelection(discountEditText.getText().toString().length());
}
discountEditText.addTextChangedListener(this);
} catch (Exception ex) {
ex.printStackTrace();
discountEditText.addTextChangedListener(this);
}
}
}
private class OriginalNumberTextWatcherWithSeperator implements TextWatcher {
private EditText editText;
private int position;
private String getDecimalFormattedString(String value) {
StringTokenizer lst = new StringTokenizer(value, ".");
String str1 = value;
String str2 = "";
if (lst.countTokens() > 1) {
str1 = lst.nextToken();
str2 = lst.nextToken();
}
String str3 = "";
int i = 0;
int j = -1 + str1.length();
if (str1.charAt(-1 + str1.length()) == '.') {
j--;
str3 = ".";
}
for (int k = j; ; k--) {
if (k < 0) {
if (str2.length() > 0)
str3 = str3 + "." + str2;
return str3;
}
if (i == 3) {
str3 = "," + str3;
i = 0;
}
str3 = str1.charAt(k) + str3;
i++;
}
}
public void updatePosition(int position,
EditText editText) {
this.position = position;
this.editText = editText;
}
#Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
#Override
public void onTextChanged(CharSequence charSequence, int start, int before, int count) {
if (charSequence.length() > 0) {
ManagePriceProductsModel.DataValue dataValue = new ManagePriceProductsModel.DataValue();
dataValue.setTitle(managePriceProductsModelList.get(position).getTitle().trim());
dataValue.setId(managePriceProductsModelList.get(position).getId());
dataValue.setPrice(Long.parseLong(charSequence.toString().replace(",", "")));
dataValue.setDiscountedPrice(managePriceProductsModelList.get(position).getDiscountedPrice());
managePriceProductsModelList.set(position, dataValue);
} else if (charSequence.length() == 0) {
ManagePriceProductsModel.DataValue dataValue = new ManagePriceProductsModel.DataValue();
dataValue.setTitle(managePriceProductsModelList.get(position).getTitle().trim());
dataValue.setId(managePriceProductsModelList.get(position).getId());
dataValue.setPrice(null);
dataValue.setDiscountedPrice(managePriceProductsModelList.get(position).getDiscountedPrice());
managePriceProductsModelList.set(position, dataValue);
}
}
#Override
public void afterTextChanged(Editable editable) {
try {
editText.removeTextChangedListener(this);
String value = editText.getText().toString();
if (!value.equals("")) {
if (value.startsWith(".")) {
editText.setText("0.");
}
if (value.startsWith("0") && !value.startsWith("0.")) {
editText.setText("");
}
String str = editText.getText().toString().replaceAll(",", "");
if (!value.equals(""))
editText.setText(getDecimalFormattedString(str));
editText.setSelection(editText.getText().toString().length());
}
editText.addTextChangedListener(this);
} catch (Exception ex) {
ex.printStackTrace();
editText.addTextChangedListener(this);
}
}
}
}
As the comments above it is not recommended to use edittext in recyclerview.
If you have to do this can you try to use
viewHolder.setIsRecyclable(false);
in your onBindViewHolder method
You can use this library to support this
Create a ViewState
new ViewState<>() {
private String savedValue; /* here will be saved a value for each item by createViewStateID() */
#Override
public void clear(#NonNull final ViewHolder<ViewFinder> holder) {
holder.getViewFinder().setText(R.id.text, "");
}
#Override
public void save(#NonNull final ViewHolder<ViewFinder> holder) {
savedValue = holder.getViewFinder().<EditText>find(R.id.text).getText().toString();
}
#Override
public void restore(#NonNull final ViewHolder<ViewFinder> holder) {
holder.getViewFinder().setText(R.id.text, savedValue);
}
};
Set that ViewState to your ViewRenderer
adapter.registerRenderer(new ViewRenderer<>(
R.layout.your_item_layout, //your layout
YourItemModel.class, //your model
(model, finder, payloads) -> finder.setText(R.id.text, model.getValue()), //your binding
getYourViewStateProvider() // here is your ViewState
));
More info you can find here
You can use the code below to keep hold of your dynamic values.
Paste this code inside your adapter. This allows to assign a unique id to your items. Just make sure the id assigned to all the items in the recyclerview must be unique.
override fun getItemViewType(position: Int) = position
override fun getItemId(position: Int) = position.toLong()

Android/Java, Cloud Firestore .toObject method not working

I develop an Android app which interacts with Google Firebase Cloud Firestore. To get data from Firestore, I use addOnCompleteListener with DocumentSnapshot.toObject() method. However, method toObject() seems not to work properly because it doesn't transmit data from snapshot to object.
Goal.class
#Entity
public class Goal {
// private variables
#PrimaryKey (autoGenerate = true)
private int id;
private String remoteId;
private int goalPos;
private String goalName;
private int goalCategory;
private String goalDescription;
private int goalColor;
private int goalFrequency;
private long goalFrequencyCode;
private boolean goalRewardType;
private double goalReward;
private int activated;
private boolean isSynced;
// constructor
public Goal() {
remoteId = "";
goalPos = 0;
goalName = "";
goalCategory = 15;
goalDescription = "";
goalColor = R.color.cat_Black;
goalFrequency = 0; // 0=Daily, 1=Weekly, 2=Monthly
goalFrequencyCode = 1111111111; // 1111111.111 - Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday; first of month, middle of month, last of month
goalRewardType = false; // false = standard, true = individual
activated = 1; // 0=No, 1=Yes
isSynced = false;
}
// getter and setter
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getRemoteId() {
return remoteId;
}
public void setRemoteId(String remoteId) {
this.remoteId = remoteId;
}
public int getGoalPos() {
return goalPos;
}
public void setGoalPos(int goalPos) {
this.goalPos = goalPos;
}
public String getGoalName() {
return goalName;
}
public void setGoalName(String goalName) {
this.goalName = goalName;
}
public int getGoalCategory() {
return goalCategory;
}
public void setGoalCategory(int goalCategory) {
this.goalCategory = goalCategory;
}
public String getGoalDescription() {
return goalDescription;
}
public void setGoalDescription(String goalDescription) {
this.goalDescription = goalDescription;
}
public int getGoalColor() {
return goalColor;
}
public void setGoalColor(int goalColor) {
this.goalColor = goalColor;
}
public int getGoalFrequency() {
return goalFrequency;
}
public void setGoalFrequency(int goalFrequency) {
this.goalFrequency = goalFrequency;
}
public long getGoalFrequencyCode() {
return goalFrequencyCode;
}
public void setGoalFrequencyCode(long goalFrequencyCode) {
this.goalFrequencyCode = goalFrequencyCode;
}
public LinkedList<Integer> getGoalFrequencyCodeAsList() {
LinkedList<Integer> stack = new LinkedList<>();
long number = goalFrequencyCode;
while (number > 0) {
long longTempMod = number % 10;
int intTempMod = (int) longTempMod;
stack.push(intTempMod);
number = number / 10;
}
return stack;
}
public void setGoalFrequencyCodeFromList(LinkedList<Integer> stack) {
double number = 0;
for (int j = 0; j < stack.size(); j++) {
Log.d(String.valueOf(j), String.valueOf(stack.get(j)));
}
if (stack.size() <= 1) {
goalFrequencyCode = 1111111111;
} else {
for (int i = 0; i < stack.size(); i++) {
Log.d(String.valueOf(stack.get(i)), String.valueOf(number));
number = number + (stack.get(i) * Math.pow(10, (stack.size() - 1 - i)));
}
Log.d("Sent from Goal - number", String.valueOf(number));
goalFrequencyCode = (long) number;
Log.d("Sent from Goal - long", String.valueOf(goalFrequencyCode));
}
}
public boolean getGoalRewardType() {
return goalRewardType;
}
public void setGoalRewardType(boolean goalRewardType) {
this.goalRewardType = goalRewardType;
}
public double getGoalReward() {
return goalReward;
}
public void setGoalReward(double goalReward) {
this.goalReward = goalReward;
}
public int getActivated() {
return activated;
}
public void setActivated(int activated) {
this.activated = activated;
}
public boolean getIsSynced() {
return isSynced;
}
public void setIsSynced(boolean isSynced) {
this.isSynced = isSynced;
}
#Override
public String toString() {
return "Goal{" +
"id=" + id +
", remoteId='" + remoteId + '\'' +
", goalPos=" + goalPos +
", goalName='" + goalName + '\'' +
", goalCategory=" + goalCategory +
", goalDescription='" + goalDescription + '\'' +
", goalColor=" + goalColor +
", goalFrequency=" + goalFrequency +
", goalFrequencyCode=" + goalFrequencyCode +
", goalRewardType=" + goalRewardType +
", goalReward=" + goalReward +
", activated=" + activated +
", isSynced=" + isSynced +
'}';
}
}
FirebaseService.class
public LiveData<ApiResponse<List<Goal>>> getGoals() {
final MutableLiveData<ApiResponse<List<Goal>>> list = new MutableLiveData<>();
if (mAuth.getCurrentUser() != null) {
userId = mAuth.getCurrentUser().getUid();
colRefGoals = firestore.collection(userId).document("data").collection("goals");
colRefGoals
.get()
.addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {
#Override
public void onComplete(#NonNull Task<QuerySnapshot> task) {
if (task.isSuccessful()) {
List<Goal> goalsList = new ArrayList<Goal>();
for (DocumentSnapshot documentSnapshot : task.getResult()) {
Log.d("firebaseService", "DocumentSnapshop.getData: " + documentSnapshot.getData());
Goal goal = documentSnapshot.toObject(Goal.class);
Log.d("firebaseService", "DocumentSnapshot.toObject(Goal.class): " + goal.toString());
goalsList.add(goal);
}
ApiResponse<List<Goal>> apiResponse = new ApiResponse<List<Goal>>(goalsList);
list.setValue(apiResponse);
}
}
});
} else {
Throwable error = new Throwable("No user logged in");
ApiResponse<List<Goal>> apiResponse = new ApiResponse<List<Goal>>(error);
list.setValue(apiResponse);
return list;
}
return list;
}
Following my debug log comparison between .getData and .toObject:
12-05 19:53:42.663 11470-11470/com.benjaminsommer.dailygoals D/firebaseService: DocumentSnapshop.getData: {goals={goalRewardType=true, remoteId=10L44s0EcvTTzGajzhidgoals, id=2, goalFrequencyCode=1001111111, activated=1, goalColor=-4365347, goalCategory=8, goalDescription=Description Test, goalReward=1, goalPos=1, goalFrequency=2, goalName=Test}}
12-05 19:53:42.663 11470-11470/com.benjaminsommer.dailygoals D/firebaseService: DocumentSnapshot.toObject(Goal.class): Goal{id=0, remoteId='', goalPos=0, goalName='', goalCategory=15, goalDescription='', goalColor=2131558437, goalFrequency=0, goalFrequencyCode=1111111111, goalRewardType=false, goalReward=0.0, activated=1, isSynced=false}
.toObject doesn't transform the datasnapshot to my class. I already checked the documentation:
Important: Each custom class must have a public constructor that takes
no arguments. In addition, the class must include a public getter for
each property.
I have a constructor with no args and public getters for each property. I tried it with an empty constructor, but not working either. Is anything wrong with my getters? I use it in combination with Room, maybe there can be an issue?
Really appreciate your help and support.
Thanks, Ben

Rfid card reader value android detecting twice

I am trying to make an android app for RFID card reader (i am not using NFC), for this i connect one high frquency RFID card reader through OTG cable and i am using EditText where card number is displaying. it is working fine, but problem is sometime it detects multiple time card number.
1- Any idea how can i resolve this (i cannot put size limit condition because card number length is not fixed)?
2- One more problem when i am using ultra high frequency card reader then card is showing different value, any idea how can i make an android app which supports both frequency card readers.
Rfid continue reading tag its not one time reading so from this repetition you have to manage to your side. Check its reading data or not if yes then ignore.Below the call Where implement Rfid methods and its reading data handle.
public class ReaderListener implements RfidEventListener {
private RfidReader reader;
private ReadInventory eventForm;
//private ItemTransfer eventFormitm;
private final ToneGenerator tg = new ToneGenerator(5, 100);
private boolean isEnabled;
private Map<String, Long> scannedItemsMap = new TreeMap<String, Long>();
public ReaderListener(ReadInventory frm, String make, String macid) throws ReaderConnectionException, LicenseExpiryException, IOException, GeneralSecurityException {
Log.d("Test1", " "+make.toString().trim()+" "+ macid.toString().trim());
reader = RfidFactory.getInstance().getRfidReader(make.toString().trim(), macid.toString().trim(),
PlatformConnector.AndroidConnector.getPlatformName());
Log.d("Test2", " "+reader+" ");
//reader.removeAllListeners();
reader.registerListener(this);
setEnabled(true);
this.eventForm = frm;
}
#Override
public void handleData(String tagid, int arg1, int arg2) {
synchronized (scannedItemsMap) {
if (!scannedItemsMap.containsKey(tagid)) {
System.out.println("got data............ :" + tagid);
scannedItemsMap.put(tagid, System.currentTimeMillis());
if (eventForm != null) {
eventForm.handleData(tagid);
//this.tg.startTone(25);
Log.d("tagid", " " + tagid + " ");
}
/*if (eventFormitm != null) {
eventFormitm.handleData(tagid);
}*/
} else if (scannedItemsMap.containsKey(tagid)) {
scannedItemsMap.put(tagid, System.currentTimeMillis());
}
}
}
#Override
public void handleError(String msg) {
if (eventForm != null) {
eventForm.handleError(msg);
}
}
#Override
public boolean isEnabled() {
return isEnabled;
}
#Override
public void setEnabled(boolean arg0) {
this.isEnabled = arg0;
}
public boolean startScan(int power,int speed) throws ReaderConnectionException {
if (reader != null && !reader.isScanning()) {
reader.setSession(RfidSession.ONE);
reader.setPower(power);
reader.setScanSpeed(speed);
reader.startScan();
}
return true;
}
public void stopScan() throws ReaderConnectionException {
if (reader.isScanning())
reader.stopScan();
}
public boolean isScanning() {
return reader.isScanning();
}
public boolean isConnected() {
return reader.isConnected();
}
public void removeAll() {
scannedItemsMap.clear();
}
public void remove(String tagid) {
scannedItemsMap.remove(tagid);
}
public int getBatteryLevel(){
try {
return reader.getBatteryLevel();
}catch (Exception e){
return 0;
}
}
#Override
public void handleReaderEvent(ReaderEvent arg0) {
// TODO Auto-generated method stub
}
}
Now Handle The data in activity ....
Show in below method.
public void handleData(final String tagid) {
// TODO Auto-generated method stub
try {
final String Code_samplecode = convertHexToString(tagid);
// Log.e("Name", "Itemcode" + Code_samplecode);
if (SampleCode.contains(Code_samplecode)&& !p_SampleCode.contains(Code_samplecode)) {
// Scann items count
tgf.startTone(25);
int ind_val = SampleCode.indexOf(Code_samplecode);
if (ind_val != -1) {
final String SampleNo1 = SampleNo.get(ind_val);
final String StyleNo1 = StyleNo.get(ind_val);
final String SampleCode1 = SampleCode.get(ind_val);
final String StyleCode1 = StyleCode.get(ind_val);
//final String CartStyleCode1 = CartStyleCode.get(ind_val);
// final String CartStyleNo1 = CartStyleNo.get(ind_val);
SampleNo.remove(ind_val);
StyleNo.remove(ind_val);
SampleCode.remove(ind_val);
StyleCode.remove(ind_val);
runOnUiThread(new Runnable() {
#Override
public void run() {
// p_Code.add(Code.get(ind_val));
p_SampleNo.add(SampleNo1);
p_StyleNo.add(StyleNo1);
p_SampleCode.add(SampleCode1);
p_StyleCode.add(StyleCode1);
//Code.remove(ind_val);
// adapter3.notifyDataSetChanged();
// adapter1.notifyDataSetChanged();
total_item.setAdapter(null);
adapter3 = new Adapter_for_Inventoryitem(ReadInventory.this,
StyleNo, SampleNo);
total_item.setAdapter(adapter3);
present_item.setAdapter(null);
adapter1 = new Adapter_for_Inventoryitem(ReadInventory.this,
p_StyleNo, p_SampleNo);
present_item.setAdapter(adapter1);
textvie.setText("Total " + p_SampleNo.size() + " Found Styles");
textvi.setText("Total " + SampleNo.size() + " Available Styles");
List<Inventory> c = db.get_all_data_INVENTARY_Query("SELECT * FROM Inventory_n WHERE SampleCode ='" + SampleCode1 + "'");
if (c.size() > 0) {
db.execute_query("INSERT INTO Inventory_p (Code, SampleNo,StyleNo,SampleCode,StyleCode,CartStyleNo,CartStyleCode) VALUES ('" + c.get(0).getCode() + "' , \"" +
c.get(0).getSampleNo() + "\" , \"" + c.get(0).getStyleNo() + "\" , '" +
c.get(0).getSampleCode() + "' , '" + c.get(0).getStyleCode() + "' , \"" +
c.get(0).getCartStyleNo() + "\" , '" + c.get(0).getCartStyleCode() + "')");
}
db.execute_query("DELETE FROM Inventory_n WHERE SampleCode ='" + SampleCode1 + "'");
}
});
}
} else {
if (!SampleCode.contains(Code_samplecode) && !p_SampleCode.contains(Code_samplecode)
&& !not_fount_items.contains(Code_samplecode)) {
tgn.startTone(20);
scanneditems_unkown = scanneditems_unkown + 1;
runOnUiThread(new Runnable() {
#Override
public void run() {
not_fount_items.add(Code_samplecode);
not_fount_items_txt.setText("Total " + not_fount_items.size() + " Unknown Styles");
}
});
}
}
runOnUiThread(new Runnable() {
#Override
public void run() {
scan_counts.setText("Total " + p_SampleNo.size() + " Scanned");
scan_counts_unknown.setText("Total " + scanneditems_unkown + " Unknown");
last_scanned_items.setText("Item : " + Code_samplecode);
}
});
} catch (Exception e) {
e.printStackTrace();
Message message = new Message();
message.what = READEREXCEPTION;
itemDetectedHandler.sendMessage(message);
}
}
You need to Override
public boolean onKeyDown(final int keyCode, final KeyEvent event) {
//To get the characters (One By one)
event.getDisplayLabel();
}
And use Debounce (I'll recommend using RX Java) if the card numbers are of different length.
What debounce does is, it will wait for a particular amount of time after a keyevent happens, So you can concat the whole string and then use it.

Listview with multiple layout item changes on item moves off the screen

HI all,im trying a develop a sms app from scratch(smsdroid as my reference) . Basically i have Viewpager which shows the conversation list in a a fragment. The fragment has a listview in it. The list view adapter has two different layouts to show sender's and receivers separately. My listview adapter extends Resource cursor adapter.Everything is working well when the app loads.Now in to the problem the image of the receiver is get replaced by the image of the sender on scrolling the listview. Can some one suggest me a way to overcome this problem?
After scrolling the list looks like this
I have read about listview view recyling and all but to be frank i did not understand it completly.
This is my message adapter for the listview
public class MessageAdapter extends ResourceCursorAdapter {
ViewHolder holder;
private static final String WHERE = "("
+ Message.PROJECTION_JOIN[Message.INDEX_TYPE] + " != "
+ Message.SMS_DRAFT + " OR "
+ Message.PROJECTION_JOIN[Message.INDEX_TYPE] + " IS NULL)";
/** WHERE clause for drafts. */
private static final String WHERE_DRAFT = "("
+ Message.PROJECTION_SMS[Message.INDEX_THREADID] + " = ? AND "
+ Message.PROJECTION_SMS[Message.INDEX_TYPE] + " = "
+ Message.SMS_DRAFT + ")";
// + " OR " + type + " = " + Message.SMS_PENDING;
String sssssss;
Contact globalcontact;
private int mLayout;
Uri uri;
public static AnimationDrawable AniFrame;
public static boolean enableHangoutAnimation=false;
public MessageAdapter(Activity _context, Uri uri) {
super(_context, R.layout.testmessage_classic_received, getCursor(
_context.getContentResolver(), uri), true);
this.defaultContactAvatar = _context.getResources().getDrawable(
R.drawable.default_avatar);
this.ownerAvatar = _context.getResources().getDrawable(
R.drawable.bubble_orange_right);
this.backgroundDrawableIn = PreferencesActivity.getBubblesIn(_context);
this.backgroundDrawableOut = PreferencesActivity
.getBubblesOut(_context);
this.textSize = PreferencesActivity.getTextsize(_context);
this.textColor = PreferencesActivity.getTextcolor(_context);
this.convertNCR = PreferencesActivity.decodeDecimalNCR(_context);
context = _context;
this.uri = uri;
if (uri == null || uri.getLastPathSegment() == null) {
this.threadId = -1;
} else {
this.threadId = Integer.parseInt(uri.getLastPathSegment());
}
Conversation conv = Conversation.getConversation(context,
this.threadId, false);
if (conv == null) {
this.address = null;
this.name = null;
this.displayName = null;
} else {
contact = conv.getContact();
this.address = contact.getNumber();
this.name = contact.getName();
this.displayName = contact.getDisplayName();
}
}
#Override
public int getViewTypeCount() {
return 2;
}
#Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
LayoutInflater mInflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
rowType = getItemViewType(cursor.getPosition());
if (rowType == 0) {
return mInflater.inflate(R.layout.testmessage_classic_sent, parent,
false);
} else if (rowType == 1) {
return mInflater.inflate(R.layout.testmessage_classic_received,
parent, false);
} else {
return null;
}
}
#Override
public int getItemViewType(int position) {
Cursor c = (Cursor) getItem(position);
Message m = Message.getMessage(context, c);
switch (m.getType()) {
case Message.MMS_IN: // 128
return 1;
case Message.MMS_OUT: // 132
return 0;
case Message.SMS_IN: // 2
return 1;
case Message.SMS_OUT: // 1
return 0;
default:
return 0;
}
}
public void setImageView(ImageView contactPhoto) {
mProjection = new String[] { Profile._ID, Profile.DISPLAY_NAME_PRIMARY,
Profile.LOOKUP_KEY, Profile.PHOTO_URI };
mProfileCursor = context.getContentResolver().query(
Profile.CONTENT_URI, mProjection, null, null, null);
if (mProfileCursor.moveToFirst()) {
do {
sssssss = mProfileCursor.getString(mProfileCursor
.getColumnIndex(Profile.PHOTO_URI));
if (sssssss != null) {
Uri photoUri = Uri.parse(sssssss);
contactPhoto.setImageURI(photoUri);
} else {
contactPhoto.setImageResource(R.drawable.ic_launcher);
}
} while (mProfileCursor.moveToNext());
}
}
#Override
public void bindView(View view, Context context, Cursor cursor) {
/**
* checking starts here
*
*/
holder = (ViewHolder) view.getTag();
if (holder == null) {
holder = new ViewHolder();
holder.tvBody = (TextView) view.findViewById(R.id.textBody);
holder.tvDate = (TextView) view.findViewById(R.id.textDate);
// holder.vRead= (View) view.findViewById(R.id.read);
Utilities.setCustomFont(context, holder.tvDate);
Utilities.setCustomFont(context, holder.tvBody);
// holder.tvDate = ( TextView ) view.findViewById( R.id.date );
holder.ivPhoto = (QuickContactBadge) view
.findViewById(R.id.imageContactPicture);
holder.btnDownload = (Button) view
.findViewById(R.id.downloadButton);
holder.media = (ImageView) view.findViewById(R.id.media);
holder.ellipse = (ImageView) view.findViewById(R.id.ellipsis);
AniFrame = (AnimationDrawable) holder.ellipse.getBackground();
view.setTag(holder);
} else {
holder = (ViewHolder) view.getTag();
}
if (MainActivity.showContactPhoto) {
holder.ivPhoto.setImageDrawable(contact.getAvatar(this.context,
this.defaultContactAvatar));
holder.ivPhoto.setVisibility(View.VISIBLE);
holder.ivPhoto.setOnClickListener(WRAPPER.getQuickContact(
context, holder.ivPhoto,
contact.getLookUpUri(context.getContentResolver()), 2,
null));
if (rowType == 0) {
setImageView(holder.ivPhoto);
} else if (rowType == 1) {
holder.ivPhoto.setImageDrawable(contact.getAvatar(
this.context, this.defaultContactAvatar));
}
} else {
holder.ivPhoto.setVisibility(View.GONE);
}
}
/** View holder. */
public static class ViewHolder {
public static ImageView ellipse;
TextView tvBody;
TextView tvPerson;
TextView tvDate;
ImageView media;
// View vRead;
public View vPending;
public View vLayout;
public ImageView ivInOut;
public Button btnDownload;
public Button btnImport;
QuickContactBadge ivPhoto;
}
/**
* Get the {#link Cursor}.
*
* #param cr
* {#link ContentResolver}
* #param u
* {#link Uri}
* #return {#link Cursor}
*/
private static Cursor getCursor(final ContentResolver cr, final Uri u) {
Log.d(TAG, "getCursor(" + u + ")");
final Cursor[] c = new Cursor[] { null, null };
int tid = -1;
try {
tid = Integer.parseInt(u.getLastPathSegment());
} catch (Exception e) {
Log.e(TAG, "error parsing uri: " + u, e);
}
try {
Log.d(TAG, "where: " + WHERE);
c[0] = cr.query(u, Message.PROJECTION_JOIN, WHERE, null, null);
} catch (NullPointerException e) {
Log.e(TAG, "error query: " + u + " / " + WHERE, e);
c[0] = null;
} catch (SQLiteException e) {
Log.e(TAG, "error getting messages", e);
}
final String[] sel = new String[] { String.valueOf(tid) };
try {
Log.d(TAG, "where: " + WHERE_DRAFT + " / sel: " + sel);
c[1] = cr.query(Uri.parse("content://sms/"),
Message.PROJECTION_SMS, WHERE_DRAFT, sel, Message.SORT_USD);
} catch (NullPointerException e) {
Log.e(TAG, "error query: " + u + " / " + WHERE_DRAFT + " sel: "
+ sel, e);
c[1] = null;
} catch (SQLiteException e) {
Log.e(TAG, "error getting drafts", e);
}
if (c[1] == null || c[1].getCount() == 0) {
return c[0];
}
if (c[0] == null || c[0].getCount() == 0) {
return c[1];
}
return new MergeCursor(c);
}
}
Can some one explain what is the root cause of this problem and a way to solve it
I solved the problem since there was two different layouts to inflate i had to use two different viewholders.
public class MessageAdapter extends ResourceCursorAdapter {
private static final ContactsWrapper WRAPPER = ContactsWrapper
.getInstance();
/** Cursor's sort. */
// static ViewHolder holder;
int rowType;
public static String SORT = Calls.DATE + " DESC";
private Activity context;
/** {#link BackgroundQueryHandler}. */
// private BackgroundQueryHandler queryHandler;
/** Token for {#link BackgroundQueryHandler}: message list query. */
/** Thread id. */
private int threadId = -1;
/** Address. */
private String address = null;
/** Name. */
private String name = null;
/** Display Name (name if !=null, else address). */
private String displayName = null;
/** Used background drawable for messages. */
private int backgroundDrawableIn, backgroundDrawableOut;
private Cursor origCursor;
private static String TAG = "MessageAdapter";
/** General WHERE clause. */
/** Used text size/color. */
Contact contact;
private int textSize, textColor;
/** Convert NCR. */
private Drawable defaultContactAvatar, ownerAvatar;
private boolean convertNCR;
private Bitmap globalBitmap;
private String contactid26;
private String[] mProjection;
private Cursor mProfileCursor;
String path;
ViewHolder holder,holder1;
private static final String WHERE = "("
+ Message.PROJECTION_JOIN[Message.INDEX_TYPE] + " != "
+ Message.SMS_DRAFT + " OR "
+ Message.PROJECTION_JOIN[Message.INDEX_TYPE] + " IS NULL)";
/** WHERE clause for drafts. */
private static final String WHERE_DRAFT = "("
+ Message.PROJECTION_SMS[Message.INDEX_THREADID] + " = ? AND "
+ Message.PROJECTION_SMS[Message.INDEX_TYPE] + " = "
+ Message.SMS_DRAFT + ")";
// + " OR " + type + " = " + Message.SMS_PENDING;
String sssssss;
Contact globalcontact;
private int mLayout;
Uri uri;
public static AnimationDrawable AniFrame;
public static boolean enableHangoutAnimation=false;
public MessageAdapter(Activity _context, Uri uri) {
super(_context, R.layout.testmessage_classic_received, getCursor(
_context.getContentResolver(), uri), true);
this.defaultContactAvatar = _context.getResources().getDrawable(
R.drawable.default_avatar);
this.ownerAvatar = _context.getResources().getDrawable(
R.drawable.bubble_orange_right);
this.backgroundDrawableIn = PreferencesActivity.getBubblesIn(_context);
this.backgroundDrawableOut = PreferencesActivity
.getBubblesOut(_context);
this.textSize = PreferencesActivity.getTextsize(_context);
this.textColor = PreferencesActivity.getTextcolor(_context);
this.convertNCR = PreferencesActivity.decodeDecimalNCR(_context);
context = _context;
this.uri = uri;
if (uri == null || uri.getLastPathSegment() == null) {
this.threadId = -1;
} else {
this.threadId = Integer.parseInt(uri.getLastPathSegment());
}
Conversation conv = Conversation.getConversation(context,
this.threadId, false);
if (conv == null) {
this.address = null;
this.name = null;
this.displayName = null;
} else {
contact = conv.getContact();
this.address = contact.getNumber();
this.name = contact.getName();
this.displayName = contact.getDisplayName();
}
}
#Override
public int getViewTypeCount() {
return 2;
}
#Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
LayoutInflater mInflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
rowType = getItemViewType(cursor.getPosition());
if (rowType == 0) {
return mInflater.inflate(R.layout.testmessage_classic_sent, parent,
false);
} else if (rowType == 1) {
return mInflater.inflate(R.layout.testmessage_classic_received,
parent, false);
} else {
return null;
}
}
#Override
public int getItemViewType(int position) {
Cursor c = (Cursor) getItem(position);
Message m = Message.getMessage(context, c);
switch (m.getType()) {
case Message.MMS_IN: // 128
return 1;
case Message.MMS_OUT: // 132
return 0;
case Message.SMS_IN: // 2
return 1;
case Message.SMS_OUT: // 1
return 0;
default:
return 0;
}
}
public void setImageView(ImageView contactPhoto) {
mProjection = new String[] { Profile._ID, Profile.DISPLAY_NAME_PRIMARY,
Profile.LOOKUP_KEY, Profile.PHOTO_URI };
mProfileCursor = context.getContentResolver().query(
Profile.CONTENT_URI, mProjection, null, null, null);
if (mProfileCursor.moveToFirst()) {
do {
sssssss = mProfileCursor.getString(mProfileCursor
.getColumnIndex(Profile.PHOTO_URI));
if (sssssss != null) {
Uri photoUri = Uri.parse(sssssss);
contactPhoto.setImageURI(photoUri);
} else {
contactPhoto.setImageResource(R.drawable.ic_launcher);
}
} while (mProfileCursor.moveToNext());
}
}
#Override
public void bindView(View view, final Context context, Cursor cursor) {
/**
* checking starts here
*
*/
int viewType = getItemViewType(cursor.getPosition());
switch(viewType)
{
case 0:
final Message m = Message.getMessage(context, cursor);
holder = (ViewHolder) view.getTag();
if (holder == null) {
holder = new ViewHolder();
holder.tvBody = (TextView) view.findViewById(R.id.textBody);
holder.tvDate = (TextView) view.findViewById(R.id.textDate);
// holder.vRead= (View) view.findViewById(R.id.read);
Utilities.setCustomFont(context, holder.tvDate);
Utilities.setCustomFont(context, holder.tvBody);
// holder.tvDate = ( TextView ) view.findViewById( R.id.date );
holder.ivPhoto = (QuickContactBadge) view
.findViewById(R.id.imageContactPicture);
holder.btnDownload = (Button) view
.findViewById(R.id.downloadButton);
holder.media = (ImageView) view.findViewById(R.id.media);
holder.ellipse = (ImageView) view.findViewById(R.id.ellipsis);
AniFrame = (AnimationDrawable) holder.ellipse.getBackground();
view.setTag(holder);
} else {
holder = (ViewHolder) view.getTag();
}
/**
* New check starting here
*/
if (this.textSize > 0) {
holder.tvBody.setTextSize(this.textSize);
Utilities.setCustomFont(context, holder.tvBody);
}
final int col = this.textColor;
if (col != 0) {
// holder.tvPerson.setTextColor(col);
holder.tvBody.setTextColor(col);
holder.tvDate.setTextColor(col);
Utilities.setCustomFont(context, holder.tvDate);
}
int tt = PreferencesActivity
.getTextColorHackForMessageAdapter(context);
if (tt != 0) {
// holder.tvPerson.setTextColor(tt);
holder.tvBody.setTextColor(tt);
holder.tvDate.setTextColor(tt);
}
Conversation conv1 = Conversation.getConversation(context,
this.threadId, false);
if (conv1 == null) {
this.address = null;
this.name = null;
this.displayName = null;
} else {
contact = conv1.getContact();
this.address = contact.getNumber();
this.name = contact.getName();
this.displayName = contact.getDisplayName();
}
CharSequence text = m.getBody();
holder.tvBody.setText(text);
// unread / read
/*
* if ( m.getRead() == 0 ) { holder.vRead.setVisibility(
* View.VISIBLE ); } else { holder.vRead.setVisibility(
* View.INVISIBLE ); }
*/
int t = m.getType();
String subject = m.getSubject();
if (subject == null) {
subject = "";
} else {
subject = ": " + subject;
}
final long time = m.getDate();
holder.tvDate.setText(Utilities.getDate(context, time));
/**
* Adding codes for mms
*
*/
final Bitmap pic = m.getPicture();
if (pic != null) {
if (pic == Message.BITMAP_PLAY) {
holder.media.setImageResource(R.drawable.mms_play_btn);
} else {
holder.media.setImageBitmap(pic);
}
holder.media.setVisibility(View.VISIBLE);
final Intent i = m.getContentIntent();
holder.media.setOnClickListener(SMSdroid
.getOnClickStartActivity(context, i));
holder.media.setOnLongClickListener(m
.getSaveAttachmentListener(context));
} else {
holder.media.setVisibility(View.GONE);
holder.media.setOnClickListener(null);
}
// CharSequence text = m.getBody();
if (text == null && pic == null) {
final Button btn = holder.btnDownload;
btn.setOnClickListener(new OnClickListener() {
#Override
public void onClick(final View v) {
try {
Intent i = new Intent();
i.setClassName("com.android.mms",
"com.android.mms.transaction.TransactionService");
i.putExtra("uri", m.getUri().toString());
i.putExtra("type", 1);
ComponentName cn = context.startService(i);
if (cn != null) {
btn.setEnabled(false);
btn.setText(R.string.downloading_);
} else {
i = new Intent(Intent.ACTION_VIEW, Uri
.parse(MainActivity.URI
+ m.getThreadId()));
context.startActivity(Intent.createChooser(i,
context.getString(R.string.view_mms)));
}
} catch (SecurityException e) {
Log.e(TAG, "unable to start mms download", e);
Toast.makeText(context,
R.string.error_start_mms_download,
Toast.LENGTH_LONG).show();
}
}
});
holder.btnDownload.setVisibility(View.VISIBLE);
holder.btnDownload.setEnabled(true);
} else {
// testing hiding this code
// holder.btnDownload.setVisibility(View.GONE);
}
/**
* New check Ends here
*/
if (MainActivity.showContactPhoto) {
holder.ivPhoto.setImageDrawable(contact.getAvatar(this.context,
this.defaultContactAvatar));
holder.ivPhoto.setVisibility(View.VISIBLE);
holder.ivPhoto.setOnClickListener(WRAPPER.getQuickContact(
context, holder.ivPhoto,
contact.getLookUpUri(context.getContentResolver()), 2,
null));
setImageView(holder.ivPhoto);
} else {
holder.ivPhoto.setVisibility(View.GONE);
}
break;
case 1:
final Message m1 = Message.getMessage(context, cursor);
holder1 = (ViewHolder) view.getTag();
if (holder1 == null) {
holder1 = new ViewHolder();
holder1.tvBody = (TextView) view.findViewById(R.id.textBody);
holder1.tvDate = (TextView) view.findViewById(R.id.textDate);
// holder.vRead= (View) view.findViewById(R.id.read);
Utilities.setCustomFont(context, holder1.tvDate);
Utilities.setCustomFont(context, holder1.tvBody);
// holder.tvDate = ( TextView ) view.findViewById( R.id.date );
holder1.ivPhoto = (QuickContactBadge) view
.findViewById(R.id.imageContactPicture);
holder1.btnDownload = (Button) view
.findViewById(R.id.downloadButton);
holder1.media = (ImageView) view.findViewById(R.id.media);
holder1.ellipse = (ImageView) view.findViewById(R.id.ellipsis);
view.setTag(holder1);
} else {
holder1 = (ViewHolder) view.getTag();
}
if (MainActivity.showContactPhoto) {
holder1.ivPhoto.setImageDrawable(contact.getAvatar(this.context,
this.defaultContactAvatar));
holder1.ivPhoto.setVisibility(View.VISIBLE);
holder1.ivPhoto.setOnClickListener(WRAPPER.getQuickContact(
context, holder1.ivPhoto,
contact.getLookUpUri(context.getContentResolver()), 2,
null));
holder1.ivPhoto.setImageDrawable(contact.getAvatar(
this.context, this.defaultContactAvatar));
} else {
holder1.ivPhoto.setVisibility(View.GONE);
}
/**
* New check starting here
*/
if (this.textSize > 0) {
holder1.tvBody.setTextSize(this.textSize);
Utilities.setCustomFont(context, holder1.tvBody);
}
final int col1 = this.textColor;
if (col1 != 0) {
// holder.tvPerson.setTextColor(col);
holder1.tvBody.setTextColor(col1);
holder1.tvDate.setTextColor(col1);
Utilities.setCustomFont(context, holder1.tvDate);
}
int tt1 = PreferencesActivity
.getTextColorHackForMessageAdapter(context);
if (tt1 != 0) {
// holder.tvPerson.setTextColor(tt);
holder1.tvBody.setTextColor(tt1);
holder1.tvDate.setTextColor(tt1);
}
Conversation conv11 = Conversation.getConversation(context,
this.threadId, false);
if (conv11 == null) {
this.address = null;
this.name = null;
this.displayName = null;
} else {
contact = conv11.getContact();
this.address = contact.getNumber();
this.name = contact.getName();
this.displayName = contact.getDisplayName();
}
CharSequence text1 = m1.getBody();
holder1.tvBody.setText(text1);
// unread / read
/*
* if ( m.getRead() == 0 ) { holder.vRead.setVisibility(
* View.VISIBLE ); } else { holder.vRead.setVisibility(
* View.INVISIBLE ); }
*/
int t1 = m1.getType();
String subject1 = m1.getSubject();
if (subject1 == null) {
subject1 = "";
} else {
subject1 = ": " + subject1;
}
final long time1= m1.getDate();
holder1.tvDate.setText(Utilities.getDate(context, time1));
/**
* Adding codes for mms
*
*/
final Bitmap pic1 = m1.getPicture();
if (pic1 != null) {
if (pic1 == Message.BITMAP_PLAY) {
holder1.media.setImageResource(R.drawable.mms_play_btn);
} else {
holder1.media.setImageBitmap(pic1);
}
holder1.media.setVisibility(View.VISIBLE);
final Intent i = m1.getContentIntent();
holder1.media.setOnClickListener(SMSdroid
.getOnClickStartActivity(context, i));
holder1.media.setOnLongClickListener(m1
.getSaveAttachmentListener(context));
} else {
holder1.media.setVisibility(View.GONE);
holder1.media.setOnClickListener(null);
}
// CharSequence text = m.getBody();
if (text1 == null && pic1 == null) {
final Button btn = holder1.btnDownload;
btn.setOnClickListener(new OnClickListener() {
#Override
public void onClick(final View v) {
try {
Intent i = new Intent();
i.setClassName("com.android.mms",
"com.android.mms.transaction.TransactionService");
i.putExtra("uri", m1.getUri().toString());
i.putExtra("type", 1);
ComponentName cn = context.startService(i);
if (cn != null) {
btn.setEnabled(false);
btn.setText(R.string.downloading_);
} else {
i = new Intent(Intent.ACTION_VIEW, Uri
.parse(MainActivity.URI
+ m1.getThreadId()));
context.startActivity(Intent.createChooser(i,
context.getString(R.string.view_mms)));
}
} catch (SecurityException e) {
Log.e(TAG, "unable to start mms download", e);
Toast.makeText(context,
R.string.error_start_mms_download,
Toast.LENGTH_LONG).show();
}
}
});
holder1.btnDownload.setVisibility(View.VISIBLE);
holder1.btnDownload.setEnabled(true);
} else {
// testing hiding this code
// holder.btnDownload.setVisibility(View.GONE);
}
/**
* New check Ends here
*/
break;
}
}
/** View holder. */
public static class ViewHolder {
public static ImageView ellipse;
TextView tvBody;
TextView tvPerson;
TextView tvDate;
ImageView media;
// View vRead;
public View vPending;
public View vLayout;
public ImageView ivInOut;
public Button btnDownload;
public Button btnImport;
QuickContactBadge ivPhoto;
}
/** View holder. */
public static class ViewHolder1 {
public static ImageView ellipse;
TextView tvBody;
TextView tvPerson;
TextView tvDate;
ImageView media;
// View vRead;
public View vPending;
public View vLayout;
public ImageView ivInOut;
public Button btnDownload;
public Button btnImport;
QuickContactBadge ivPhoto;
}
/**
* Get the {#link Cursor}.
*
* #param cr
* {#link ContentResolver}
* #param u
* {#link Uri}
* #return {#link Cursor}
*/
private static Cursor getCursor(final ContentResolver cr, final Uri u) {
Log.d(TAG, "getCursor(" + u + ")");
final Cursor[] c = new Cursor[] { null, null };
int tid = -1;
try {
tid = Integer.parseInt(u.getLastPathSegment());
} catch (Exception e) {
Log.e(TAG, "error parsing uri: " + u, e);
}
try {
Log.d(TAG, "where: " + WHERE);
c[0] = cr.query(u, Message.PROJECTION_JOIN, WHERE, null, null);
} catch (NullPointerException e) {
Log.e(TAG, "error query: " + u + " / " + WHERE, e);
c[0] = null;
} catch (SQLiteException e) {
Log.e(TAG, "error getting messages", e);
}
final String[] sel = new String[] { String.valueOf(tid) };
try {
Log.d(TAG, "where: " + WHERE_DRAFT + " / sel: " + sel);
c[1] = cr.query(Uri.parse("content://sms/"),
Message.PROJECTION_SMS, WHERE_DRAFT, sel, Message.SORT_USD);
} catch (NullPointerException e) {
Log.e(TAG, "error query: " + u + " / " + WHERE_DRAFT + " sel: "
+ sel, e);
c[1] = null;
} catch (SQLiteException e) {
Log.e(TAG, "error getting drafts", e);
}
if (c[1] == null || c[1].getCount() == 0) {
return c[0];
}
if (c[0] == null || c[0].getCount() == 0) {
return c[1];
}
return new MergeCursor(c);
}
}

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