Android Open Source - ProxSensorReset Settings Activity

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From Project

Back to project page ProxSensorReset.

License

The source code is released under:

MIT License

Java Source Code

package com.abfactory.proxsensorreset;
//w w  w . ja v a2  s .c om
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import com.abfactory.proxsensorreset.PreferencesHandler.Language;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemSelectedListener;

public class SettingsActivity extends Activity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_settings);

    // Set language spinner
    Spinner languageSpinner = (Spinner) findViewById(R.id.language_spinner);
    List<String> list = new ArrayList<String>();
    for(Language l: Language.values()){
      list.add(getResources().getString(l.getRessourceID()));
    }
    ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, list);
    dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    languageSpinner.setAdapter(dataAdapter);

    languageSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
      @Override
      public void onItemSelected(AdapterView<?> parentView, View selectedItemView, int position, long id) {
        Locale locale = new Locale(Language.getLocaleStringFromIndex(position));
        Locale.setDefault(locale);
        Configuration config = new Configuration();
        config.locale = locale;
        getBaseContext().getResources().updateConfiguration(config, getBaseContext().getResources().getDisplayMetrics());
        // Notify user for language change
        if(!Language.getLocaleStringFromIndex(((Spinner)findViewById(R.id.language_spinner)).getSelectedItemPosition())
            .equals(new PreferencesHandler(getApplicationContext()).getLanguage())){
          Toast.makeText(getApplicationContext(), R.string.languageUpdateOK, Toast.LENGTH_SHORT).show();
          // Save preferences
          PreferencesHandler ph = new PreferencesHandler(getApplicationContext());
          ph.saveSettings(Language.getLocaleStringFromIndex(((Spinner)findViewById(R.id.language_spinner)).getSelectedItemPosition()));
          // Update language display
          setAppLanguage();
          restartActivity();
        }
        
      }

      @Override
      public void onNothingSelected(AdapterView<?> arg0) {
        // Do nothing
      }
    });
    ((Spinner)findViewById(R.id.language_spinner)).setSelection((new PreferencesHandler(getApplicationContext())).getDefaultLanguageIndex());

    // Display default value
    TextView defaultValue = (TextView) findViewById(R.id.default_value);
    defaultValue.setText(getString(R.string.default_value) + " " + getDefaultValue());

    // Display history count
    TextView calibrationsPerformed = (TextView) findViewById(R.id.calibrations_performed);
    calibrationsPerformed.setText(getString(R.string.calibrations_performed) + " " + getCalibrationsCount());
    
    // Restore Button
    Button restoreButton = (Button) findViewById(R.id.restore);
    restoreButton.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        new AlertDialog.Builder(SettingsActivity.this)
          .setTitle(R.string.calibration_conf_dialog_title)
          .setMessage(R.string.calibration_conf_dialog_content)
          .setPositiveButton(R.string.dialog_confirm, new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int which) { 
                // Do calibration process
                Intent intent = new Intent(SettingsActivity.this, ProxSensorReset.class);
            startActivity(intent);
              }
           })
          .setNegativeButton(R.string.dialog_cancel, new DialogInterface.OnClickListener() {
              public void onClick(DialogInterface dialog, int which) { 
                  // do nothing
              }
           })
          .setIcon(android.R.drawable.ic_dialog_alert)
          .show();
      }
    });

    // History Button
    Button historyButton = (Button) findViewById(R.id.history);
    historyButton.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        Intent intent = new Intent(SettingsActivity.this, CalibrationsHistoryActivity.class);
        startActivity(intent);
      }
    });
  }
  
  @Override
  protected void onResume() {
    super.onResume();
  }

  private String getDefaultValue() {
    return "3.9";
  }
  
  private String getCalibrationsCount() {
    return "3";
  }
  
  /*
   * Set application language as per current setting to have proper localizations to be displayed on this screen
   */
  private void setAppLanguage(){
    PreferencesHandler preferenceshandler = new PreferencesHandler(getApplicationContext());
    Locale locale = new Locale(preferenceshandler.getLanguage());
    Locale.setDefault(locale);
    Configuration config = new Configuration();
    config.locale = locale;
    getBaseContext().getResources().updateConfiguration(config, getBaseContext().getResources().getDisplayMetrics());
  }
  
  private void restartActivity() {
      Intent intent = getIntent();
      finish();
      startActivity(intent);
  }

}

Java Source Code List

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