Android Open Source - Ask1 Main Activity

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License

The source code is released under:

MIT License

Java Source Code

package uk.me.timlittle.ask;
//from  w  ww  .  j av  a2s .co  m
import java.util.Random;

import uk.me.timlittle.ask.ShakeEventManager;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import android.content.Intent;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

/**************************************************
 * 
 * @author TJL-Dell
 * 
 * Simple Android App that shows a random message when the phone is shaken
 */
public class MainActivity extends Activity  implements ShakeEventManager.ShakeListener {

  private List<String> ANSWER_LIST = new ArrayList<String>();
   private int flips;
   private int spinCounter;
   private Handler customHandler = new Handler();
   private int animationDelay = 50;
   private Button btnFlip;
   private ShakeEventManager sd;
   private TextView textMessage;
   private int stringCounter;
   public String ANSWERS_PREFS = "ANSWERS";

   private void readValues(){
     String answerList;
     String defaultList;
     SharedPreferences pref;
         
    pref = PreferenceManager.getDefaultSharedPreferences(this);
    
    //defaultList = "Yes;No;Of course!;Yuck!;Proceed with caution;Are they cute?;Don't go there!;Hmm, maybe";
    defaultList = getResources().getString(R.string.pref_default_answers);
    
    if (pref != null) {
      answerList = pref.getString(ANSWERS_PREFS, defaultList);
      
      answerList = answerList.trim();
      
      if (answerList.length() < 2){
        answerList = defaultList;
      }
      
      ANSWER_LIST = Arrays.asList(answerList.split(";"));
    }

    stringCounter = ANSWER_LIST.size();
   }
  
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
        sd = new ShakeEventManager();
        sd.setListener(this);
        sd.init(this);
    
    btnFlip = (Button) findViewById(R.id.btnFlip);
    textMessage = (TextView)findViewById(R.id.textView1);
    
    if (btnFlip != null)
      btnFlip.setOnClickListener(new View.OnClickListener() {

        public void onClick(View view) {
          Random r = new Random();
          

          flips = r.nextInt(20) + 2;
          textMessage.setText(ANSWER_LIST.get(spinCounter % stringCounter));
          
          spinCounter = 0;

          customHandler.postDelayed(updateImageThread, animationDelay);
        }
      });
    

    if (savedInstanceState != null){
      flips = savedInstanceState.getInt("flips");
      spinCounter = savedInstanceState.getInt("spinCounter");      
    } 
    
    readValues();
    //if we aren't there yet, carry on.
    if (flips != spinCounter){
      customHandler.postDelayed(updateImageThread, animationDelay);
    }
    
    //If the app has been interrupted start again from where we'd got to
    
  }

    @Override
    public void onShake() {
    Random r = new Random();
    
    textMessage.setText(ANSWER_LIST.get(spinCounter % stringCounter));
    
    flips = r.nextInt(20) + 2;
    spinCounter = 0;

    customHandler.postDelayed(updateImageThread, animationDelay);      
    }
    

    @Override
    protected void onResume() {
        super.onResume();
        
        readValues();
        
        sd.register();        
    }


    @Override
    protected void onPause() {
        super.onPause();
        sd.deregister();
    }
    
  @Override
  public void onSaveInstanceState(Bundle outState){
    
    outState.putInt("flips", flips);
    outState.putInt("spinCounter", spinCounter);
    
    
    super.onSaveInstanceState(outState);
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }
/*
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();
    if (id == R.id.action_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
*/  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.action_settings:
      // Starts the Settings activity on top of the current activity
      Intent intent = new Intent(this, SettingsActivity.class);
      startActivity(intent);
      break;
    default:
      break;
    }

    return true;
  }

private Runnable updateImageThread = new Runnable() {

    public void run() {
      
      if (spinCounter < flips) {
        
        textMessage.setText(ANSWER_LIST.get(spinCounter % stringCounter));
      spinCounter++;
        
        
        customHandler.postDelayed(this, animationDelay);
      }
    }
};
  
}

Java Source Code List

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