Android Open Source - bbstalker Main Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

package org.raegdan.bbstalker;
/*w  w w  .j  av a 2 s.  c  om*/
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.PopupWindow;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
import android.widget.Toast;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.content.pm.PackageManager.NameNotFoundException;

public class MainActivity extends ActivityEx implements OnClickListener, OnEditorActionListener {

  // Controls
  Button btnMAQuery;
  Button btnMAWatchDB;
  Button btnMAWatchCollection;
  Button btnMAHelp;
  Button btnMAConfig;
  Button btnMAWatchWaves;
  Button btnMAWishlist;
  Button btnMADetector;
  
  EditText etMAQuery;
  ProgressDialog mDialog;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    
    if (((BBStalkerApplication) getApplication()).DBLoaded) {
      ContinueInit();
    } else {
      // Dialog init
      mDialog = new ProgressDialog(this);
      
      // Start async database loading
      new DBLoader().execute(this);
    }
  }
  
  //////////////////////////////////////////////
  // AsyncTask for loading global DB from JSON
  //////////////////////////////////////////////
  protected class DBLoader extends AsyncTask<Activity, Integer, Void> {
    @Override
    protected void onPreExecute () {
      mDialog.setCancelable(false);
      mDialog.setMessage(getString(R.string.loading));
      mDialog.show();
    }
    
    @Override
    protected Void doInBackground(Activity... arg0) {
      ((BBStalkerApplication) getApplication()).DBLoaded = ((BBStalkerApplication) arg0[0].getApplication()).LoadDB(arg0[0]);
      return null;
    }
    
    @Override
    protected void onPostExecute (Void arg0) {
      mDialog.dismiss();
      ContinueInit();
    }
  }
  
  ////////////////////////////////////////////////////
  // Continues activity init after DBLoader finishes
  ////////////////////////////////////////////////////
  protected void ContinueInit() {
    // Don't init controls in case of DB loading failure.
    // Show toast and leave the form dead.
    if (!((BBStalkerApplication) getApplication()).DBLoaded) {
      Toast.makeText(getApplicationContext(), getString(R.string.json_db_err), Toast.LENGTH_LONG).show();
      return;
    }
    
    // Controls init
    btnMAQuery = (Button) findViewById(R.id.btnMAQuery);
    btnMAWatchDB = (Button) findViewById(R.id.btnMAWatchDB);
    btnMAWatchCollection = (Button) findViewById(R.id.btnMAWatchCollection);
    btnMAHelp = (Button) findViewById(R.id.btnMAHelp);
    btnMAConfig = (Button) findViewById(R.id.btnMAConfig);
    btnMAWatchWaves = (Button) findViewById(R.id.btnMAWatchWaves);
    btnMAWishlist = (Button) findViewById(R.id.btnMAWishlist);  
    btnMADetector = (Button) findViewById(R.id.btnMADetector);
    
    etMAQuery = (EditText) findViewById(R.id.etMAQuery);

    btnMAQuery.setOnClickListener(this);
    btnMAWatchDB.setOnClickListener(this);
    btnMAWatchCollection.setOnClickListener(this);
    btnMAHelp.setOnClickListener(this);
    btnMAConfig.setOnClickListener(this);
    btnMAWatchWaves.setOnClickListener(this);
    btnMAWishlist.setOnClickListener(this);
    btnMADetector.setOnClickListener(this);
    
    etMAQuery.setOnClickListener(this);
    etMAQuery.setOnEditorActionListener(this);
    
    ShowWhatsNew();
  }
  
  //////////////////////////
  // Buttons click handler
  //////////////////////////
  @Override
  public void onClick(View v) {
    switch (v.getId()) {
      case R.id.btnMAQuery: {
        OpenDBListActivity(etMAQuery.getText().toString(), DBListActivity.MODE_LOOKUP);
        HideKB();
        break;
      }
        
      case R.id.btnMAWatchDB: {
        OpenDBListActivity("", DBListActivity.MODE_ALL_DB);
        break;
      }
  
      case R.id.btnMAWatchCollection: {
        OpenDBListActivity("", DBListActivity.MODE_COLLECTION);
        break;
      }
        
      case R.id.btnMAWishlist: {
        OpenDBListActivity("", DBListActivity.MODE_WISHLIST);
        break;
      }
        
      case R.id.btnMAHelp: {
        ShowHelp();
        break;
      }
        
      case R.id.btnMAConfig: {
        OpenConfigActivity();
        break;
      }
        
      case R.id.btnMAWatchWaves: {
        OpenWavesListActivity();
        break;
      }
      
      case R.id.btnMADetector: {
        OpenDetectorActivity();
        break;
      }
    }
  }
  
  
  protected void HideKB() {
    InputMethodManager im = (InputMethodManager) this.getSystemService(Context.INPUT_METHOD_SERVICE); 
    im.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);    
  }
  
  ///////////////////////////////
  // Activities calling methods
  ///////////////////////////////
  protected void OpenDBListActivity(String query, int mode) {
    if (mode == DBListActivity.MODE_LOOKUP && etMAQuery.getText().toString().equalsIgnoreCase("")) {
      Toast.makeText(getApplicationContext(), getString(R.string.nothing_to_query), Toast.LENGTH_LONG).show();
      return;
    }
    Intent intent = new Intent(this, DBListActivity.class);
    intent.putExtra("query", query);
    intent.putExtra("mode", mode);
    startActivity(intent);
  }
  
  protected void OpenConfigActivity() {
    Intent intent = new Intent(this, ConfigActivity.class);
    startActivity(intent);    
  }
  
  protected void OpenWavesListActivity() {
    Intent intent = new Intent(this, WavesActivity.class);
    startActivity(intent);      
  }
  
  protected void OpenDetectorActivity() {
    Intent intent = new Intent(this, DetectorActivity.class);
    startActivity(intent);      
  }
  
  //////////////////////////////
  // Show help in popup window
  //////////////////////////////
  protected void ShowHelp() {
    PopupWindow pw;
    LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View vPWHelp = inflater.inflate(R.layout.pwhelp, null);
    RelativeLayout rlPWHelp = (RelativeLayout) vPWHelp.findViewById(R.id.rlPWHelp);
    
    pw = new PopupWindow(this);
    
    pw.setContentView(rlPWHelp);
    pw.setWidth(RelativeLayout.LayoutParams.WRAP_CONTENT);
    pw.setHeight(RelativeLayout.LayoutParams.WRAP_CONTENT);
    pw.setFocusable(true);
    pw.showAtLocation(vPWHelp, Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL, 0, 0);
  }
  
  ////////////////////////////////////
  // Show what's new in popup window
  ////////////////////////////////////
  protected void ShowWhatsNew() {
    Integer VersionCode = 0;
    try {
      VersionCode = getPackageManager().getPackageInfo(getPackageName(), 0).versionCode;
    } catch (NameNotFoundException e) {
      e.printStackTrace();
    }
    final String VersionCodeString = VersionCode.toString();
    
    final SharedPreferences sp = getSharedPreferences(this.getPackageName(), MODE_PRIVATE);
    if (sp.getBoolean("whatsnew_closed_" + VersionCodeString, false)) {
      return;
    }
    
    final PopupWindow pw;
    LayoutInflater inflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View vPWHelp = inflater.inflate(R.layout.pwwhatsnew, null);
    RelativeLayout rlPWWhatsNew = (RelativeLayout) vPWHelp.findViewById(R.id.rlPWWhatsNew);

    pw = new PopupWindow(this);
    
    pw.setContentView(rlPWWhatsNew);
    pw.setWidth(RelativeLayout.LayoutParams.WRAP_CONTENT);
    pw.setHeight(RelativeLayout.LayoutParams.WRAP_CONTENT);
    pw.setFocusable(true);

    ((Button) rlPWWhatsNew.findViewById(R.id.btnPWWhatsNewClose)).setOnClickListener(new View.OnClickListener() {
      
      @Override
      public void onClick(View v) {
        pw.dismiss();
      }
    });
    
    pw.setOnDismissListener(new PopupWindow.OnDismissListener() {
      
      @Override
      public void onDismiss() {
        Editor ed = sp.edit();
        ed.putBoolean("whatsnew_closed_" + VersionCodeString, true);
        ed.commit();
      }
    });
  
    pw.showAtLocation(vPWHelp, Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL, 0, 0);
  }

  @Override
  public boolean onEditorAction(TextView arg0, int arg1, KeyEvent arg2) {
    switch (arg0.getId()) {
      case R.id.etMAQuery: {
        if (arg1 == EditorInfo.IME_ACTION_SEARCH) { 
          OpenDBListActivity(arg0.getText().toString(), DBListActivity.MODE_LOOKUP);
          HideKB();
        }
           
        return true;
      }
    }
    return false;
  }  
}
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