Android Open Source - YOW2014-Android-MVVM Search Pcl Activity

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License

The source code is released under:
MIT License
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Java Source Code

package com.adilmughal.demo.yow.mvvm.searchd.activity;
//from   w  w w  . j a  v a2s . c o m
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import org.robobinding.widget.compoundbutton.CheckedChangeEvent;

import android.app.Activity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.adilmughal.demo.yow.mvvm.searchd.R;
import com.adilmughal.demo.yow.mvvm.searchd.viewmodel.SearchPclViewModel;

public class SearchPclActivity extends Activity {
  private EditText locationEditText;
  private TextView validationMessageTextView;
  private ListView searchListView;
  private ProgressBar progressBar;

  private SearchPclViewModel viewModel;
  private EditText keywordsEditText;
  private Button submitButton;
  private CheckBox includeLocationCheckBox;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    viewModel = new SearchPclViewModel();
    setContentView(R.layout.activity_search_pcl);
    this.initializeViewFields();
    this.setupViewListeners();
    this.setupViewModelListeners();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.search, menu);
    return true;
  }

  private void initializeViewFields() {
    this.keywordsEditText = (EditText) this.findViewById(R.id.activity_search_keywords_edittext);
    this.submitButton = (Button) this.findViewById(R.id.activity_search_submit_button);
    this.includeLocationCheckBox  = (CheckBox) this.findViewById(R.id.activity_search_location_include_checkbox);
    this.locationEditText = (EditText) this.findViewById(R.id.activity_search_location_edittext);
    this.validationMessageTextView = (TextView) this.findViewById(R.id.activity_search_validation_message_view);
    this.progressBar = (ProgressBar) this.findViewById(R.id.activity_search_progress);
    this.searchListView = (ListView) this.findViewById(R.id.activity_search_result_list_view);
  }

  private void setupViewModelListeners() {
    viewModel.addPropertyChangeListener(SearchPclViewModel.PROPERTY_LOCATION_INCLUDED, new PropertyChangeListener() {

      @Override
      public void propertyChange(PropertyChangeEvent arg) {
        locationEditText.setVisibility(viewModel.isLocationIncluded() ? View.VISIBLE : View.GONE);

      }
    });

    viewModel.addPropertyChangeListener(SearchPclViewModel.PROPERTY_IN_VALID, new PropertyChangeListener() {

      @Override
      public void propertyChange(PropertyChangeEvent arg) {
        validationMessageTextView.setVisibility(viewModel.isInValid() ? View.VISIBLE : View.GONE);
      }
    });
    
    viewModel.addPropertyChangeListener(SearchPclViewModel.PROPERTY_VALIDATION_MESSAGE, new PropertyChangeListener() {

      @Override
      public void propertyChange(PropertyChangeEvent arg) {
        validationMessageTextView.setText(viewModel.getValidationMessage());
      }
    });

    viewModel.addPropertyChangeListener(SearchPclViewModel.PROPERTY_SEARCH_IN_PROGRESS, new PropertyChangeListener() {

      @Override
      public void propertyChange(PropertyChangeEvent arg) {
        progressBar.setVisibility(viewModel.isSearchInProgress() ? View.VISIBLE : View.GONE);
      }
    });

    viewModel.addPropertyChangeListener(SearchPclViewModel.PROPERTY_RESULT_LIST, new PropertyChangeListener() {

      @Override
      public void propertyChange(PropertyChangeEvent arg) {
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(SearchPclActivity.this,
            android.R.layout.simple_list_item_1, viewModel.getResultList());
        searchListView.setAdapter(adapter);
      }
    });

  }
  
  private void setupViewListeners() {
    
    this.keywordsEditText.addTextChangedListener(new TextWatcher() {
      
      @Override
      public void onTextChanged(CharSequence s, int start, int before, int count) {
        viewModel.setKeywords(keywordsEditText.getText().toString());
        
      }
      
      @Override
      public void beforeTextChanged(CharSequence s, int start, int count, int after) {
        
      }
      
      @Override
      public void afterTextChanged(Editable s) {
      }
    });
    
  this.submitButton.setOnClickListener(new OnClickListener() {
      
      @Override
      public void onClick(View view) {
        viewModel.onSubmit(null);
      }  
    });
    
    this.includeLocationCheckBox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
      
      @Override
      public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        viewModel.onLocationIncluded(new CheckedChangeEvent(buttonView, isChecked));
      }
    });
    
  }

}
Java Source Code List
