Android Open Source - divider Add New Item Dialog

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License

The source code is released under:

Apache License

Java Source Code

package se.urvancevav.divider;
/*//from w ww . ja  va  2 s  . c om
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.app.DialogFragment;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.util.Currency;
import java.util.Locale;

import de.greenrobot.event.EventBus;

public class AddNewItemDialog extends DialogFragment implements View.OnClickListener {

    private EditText paidText;

    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        getDialog();
        View v = inflater.inflate(R.layout.add_new_item_dialog, null);
        v.findViewById(R.id.saveButton).setOnClickListener(this);

        paidText = (EditText) v.findViewById(R.id.itemPaidText);
        paidText.addTextChangedListener(new TextWatcher() {

            private String current = "";

            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                if (!s.toString().equals(current)) {

                    paidText.removeTextChangedListener(this);

                    String cleanString = s.toString().replaceAll("[^\\d.]", "");

                    BigDecimal parsed = new BigDecimal(cleanString);

                    BigDecimal divisor = new BigDecimal(Math.pow(10, Currency.getInstance(Locale.getDefault()).getDefaultFractionDigits()));

                    parsed = parsed.divide(divisor, Currency.getInstance(Locale.getDefault()).getDefaultFractionDigits(), RoundingMode.HALF_EVEN);


                    // A little bit of magic to omit currency symbol
                    DecimalFormat formatter = (DecimalFormat) NumberFormat.getCurrencyInstance();
                    DecimalFormatSymbols symbols = formatter.getDecimalFormatSymbols();
                    symbols.setCurrencySymbol("");
                    formatter.setDecimalFormatSymbols(symbols);

                    String formatted = formatter.format(parsed).replaceAll("\\s*", "");

                    current = formatted;
                    paidText.setText(formatted);
                    paidText.setSelection(formatted.length());

                    paidText.addTextChangedListener(this);
                }
            }

            @Override
            public void afterTextChanged(Editable s) {

            }
        });
        return v;
    }

    @Override
    public void onClick(View v) {
        EventBus.getDefault().post(new AddNewItemEvent());
        dismiss();
    }
}

Java Source Code List

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