Android Open Source - UnitConverterUltimate-Studio Set Decimals Dialog Fragment

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.physphil.android.unitconverterultimate.ui;
// ww  w.j  a  va  2 s  . c  om
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;

import com.physphil.android.unitconverterultimate.R;
import com.physphil.android.unitconverterultimate.util.Constants;
import com.physphil.android.unitconverterultimate.util.Conversions;
import com.physphil.android.unitconverterultimate.util.Convert;



public class SetDecimalsDialogFragment extends DialogFragment {
  int selectedNoDecimals = -1;
  
  @Override
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    final Activity activity = getActivity();
    AlertDialog.Builder builder = new AlertDialog.Builder(activity);
    builder.setTitle(R.string.dialogSetDecimal);
    
    //Read from preferences file to determine current decimal setting
    SharedPreferences preferences = activity.getPreferences(Context.MODE_PRIVATE);
    int defaultNoDecimals = Constants.DEFAULT_NO_DECIMALS;
    selectedNoDecimals = preferences.getInt(Constants.SETTINGS_NUMBER_OF_DECIMALS, defaultNoDecimals);
    
    builder.setSingleChoiceItems(R.array.noDecimals, selectedNoDecimals, new DialogInterface.OnClickListener() {      
      @Override
      public void onClick(DialogInterface dialog, int which) {
        selectedNoDecimals = which;
      }
    });
    
    //Set the action buttons
    builder.setPositiveButton(R.string.buttonOK, new DialogInterface.OnClickListener() {      
      @Override
      public void onClick(DialogInterface dialog, int id) {
        // Store # decimal places in preferences file
        SharedPreferences preferences = activity.getPreferences(Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putInt(Constants.SETTINGS_NUMBER_OF_DECIMALS, selectedNoDecimals);
        editor.commit();
      }
    });
    
    builder.setNegativeButton(R.string.buttonCancel, new DialogInterface.OnClickListener() {      
      @Override
      public void onClick(DialogInterface dialog, int id) {
        //Exit back to main program
        dialog.cancel();
      }
    });
    
    return builder.create();
  }
  
  @Override
  public void onStop(){
    super.onStop();
    
    int selectedConversion = getArguments().getInt(Constants.SETTINGS_CONVERSION, -1);
    int fromGroupId = getArguments().getInt(Constants.FROM_GROUP_ID, 0);
    int toGroupId = getArguments().getInt(Constants.TO_GROUP_ID, 0);
    
    //Call convert with new # decimal places
    if(selectedConversion != -1 && fromGroupId != 0 && toGroupId != 0){
      
      if(selectedConversion == Conversions.TEMPERATURE){
        Convert.convertTempValue(getActivity());
      }
      else{
        Convert.convertValue(getActivity(), fromGroupId, toGroupId);
      }
    }
  }
}

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