Android Open Source - AndroidRandomWallpaper Main Activity

• Back to WallPaper/Random  ↑

From Project

Back to project page AndroidRandomWallpaper.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.elbauldelprogramador.randomwallpaper.activities;
/*from ww  w  .j  a  v a  2  s. c om*/
import java.util.List;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.Toast;

import com.elbauldelprogramador.randomwallpaper.R;
import com.elbauldelprogramador.randomwallpaper.reveivers.AlarmReceiver;
import com.elbauldelprogramador.randomwallpaper.util.RWGlobal;
import com.elbauldelprogramador.randomwallpaper.util.SimpleFileExplorer;
import com.elbauldelprogramador.randomwallpaper.util.StrictModeWrapper;

public class MainActivity extends FragmentActivity {

  public final static String TAG = "RandomWallPaper";
  
  /* Views */
  private EditText et_interval;
  private Button bt_start;
  private CheckBox cb_onBoot;
  
  /* Options */
  private int interval;
  private String sourceFolder; 
  private int width;
  private int height;
  private boolean startAtBoot;
  
  private SharedPreferences sharedPref;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    // Quitar el ttulo si la versin de Android es inferior a la 2.3.3
    if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.GINGERBREAD_MR1)
      this.requestWindowFeature(Window.FEATURE_NO_TITLE);

    setContentView(R.layout.activity_main);

    try {
      StrictModeWrapper.init(this);
    } catch (Throwable throwable) {
      Log.v("StrictMode", "... is not available. Punting...");
    }

    
    bt_start = (Button) findViewById(R.id.button_change_wall);
    et_interval = (EditText) findViewById(R.id.editText_interval);
    cb_onBoot = (CheckBox) findViewById(R.id.checkBox_launchOnBoot);
    
    /* Retrieve stored preferences */
    sharedPref = getSharedPreferences(RWGlobal.SHARED_PREFERENCES, Context.MODE_PRIVATE);
    
    interval = sharedPref.getInt(RWGlobal.KEY_INTERVAL, RWGlobal.DEFAULT_INTERVAL);
    sourceFolder = sharedPref.getString(RWGlobal.KEY_SOURCE_FOLDER, RWGlobal.DEFAULT_SOURCE_FOLDER);
    height = sharedPref.getInt(RWGlobal.KEY_HEGHT, RWGlobal.DEFAULT_HEIGHT);
    width = sharedPref.getInt(RWGlobal.KEY_WIDTH, RWGlobal.DEFAULT_WIDTH);
    startAtBoot = sharedPref.getBoolean(RWGlobal.KEY_AT_BOOT, RWGlobal.DEFAULT_AT_BOOT);
    
    DisplayMetrics dm = new DisplayMetrics();
    getWindowManager().getDefaultDisplay().getMetrics(dm);
    
    /* Setting up Views */
    et_interval.setText(String.valueOf(interval));
    if(RWGlobal.thereAreImages(sourceFolder))
      bt_start.setEnabled(true);
    cb_onBoot.setChecked(startAtBoot);
    
    if (height == RWGlobal.DEFAULT_HEIGHT)
      height = dm.heightPixels;
    if (width == RWGlobal.DEFAULT_WIDTH)
      width = dm.widthPixels << 1; // best wallpaper width is twice screen width
    
    Log.d(MainActivity.TAG, "in OnCreate() Updating sourceFolder to: " + sourceFolder);
    Log.d(MainActivity.TAG, "in OnCreate() Updating interval to: " + interval);
    Log.d(MainActivity.TAG, "in OnCreate() Updating wid to: " + width);
    Log.d(MainActivity.TAG, "in OnCreate() Updating he to: " + height);
    Log.d(MainActivity.TAG, "in OnCreate() Updating sab to: " + startAtBoot);
    
    RWGlobal.toast(this, getResources().getString(R.string.initial_message));
  }

  public void doClick(View v){
    switch (v.getId()) {
    case R.id.button_pick_folder:
      doPick();    
      break;
    case R.id.button_change_wall:
      scheduleChange();
      break;
    case R.id.button_stop:
      stopService();
      break;
    case R.id.checkBox_launchOnBoot:
      toggleLaunch();
      break;
    default:
      break;
    }
  }
  
  private void doPick(){

    Intent i = new Intent(Intent.ACTION_PICK);
    i.setData(Uri.parse("folder://" + 
        Environment.getExternalStorageDirectory()
        .getPath())); //default folder / jump direcly to this folder
    
      PackageManager pm = getPackageManager();
      List<ResolveInfo> list = pm.queryIntentActivities(i, 0);
      
      if (list.isEmpty()){
        Log.w(MainActivity.TAG, "Not activity for pick folder, starting inner app");
        i = new Intent(this, SimpleFileExplorer.class);
        startActivityForResult(i, RWGlobal.PICK_FOLDER);
      } else
        startActivityForResult(i, RWGlobal.PICK_FOLDER);
  }
  
  private void scheduleChange(){
    
    try{
      AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
      
      Intent intent = new Intent(this, AlarmReceiver.class);
      intent.putExtra(AlarmReceiver.ACTION_CHANGE_WALL_ALARM, 
          AlarmReceiver.ACTION_CHANGE_WALL_ALARM);
      intent.putExtra(RWGlobal.EXTRA_PATH, sourceFolder);
      intent.putExtra(RWGlobal.EXTRA_HEIGHT, height);
      intent.putExtra(RWGlobal.EXTRA_WIDTH, width);

      final PendingIntent pIntent = PendingIntent.
          getBroadcast(this, 1234567, intent, PendingIntent.FLAG_UPDATE_CURRENT);
      
      if (!et_interval.getText().toString().isEmpty())
        interval = Integer.parseInt(et_interval.getText().toString());      
      
      alarm.setRepeating(AlarmManager.RTC_WAKEUP, 
          System.currentTimeMillis(), interval * 60000, pIntent);
      RWGlobal.toast(this, "Started...");
    } catch(Exception e){
      e.printStackTrace();
    }
  }
  
  private void stopService() {
    Intent intent = new Intent(getApplicationContext(),
        AlarmReceiver.class);
    intent.putExtra(AlarmReceiver.ACTION_CHANGE_WALL_ALARM,
        AlarmReceiver.ACTION_CHANGE_WALL_ALARM);

    final PendingIntent pIntent = PendingIntent.getBroadcast(this, 1234567,
        intent, PendingIntent.FLAG_UPDATE_CURRENT);

    AlarmManager alarms = (AlarmManager) getSystemService(Context.ALARM_SERVICE);

    alarms.cancel(pIntent);
    RWGlobal.toast(this, "Canceled...");
    }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode,
      Intent intent) {
    //This is to inform the parent class (Activity)
    //that the called activity has finished and the baseclass
    //can do the necessary clean up
    super.onActivityResult(requestCode, resultCode, intent);
    switch (requestCode) {
    case RWGlobal.PICK_FOLDER:
      switch (resultCode) {
      case RESULT_OK:
        Log.d(MainActivity.TAG, intent.getData().getPath().toString());
        sourceFolder = intent.getData().getPath().toString();
        bt_start.setEnabled(true); /* Now it is possible start the service */
        break;
      case RWGlobal.RESULT_NO_FILES:
        Toast.makeText(this, "No Files", Toast.LENGTH_LONG).show();
        break;
      case RWGlobal.RESULT_NO_PATH:
        Toast.makeText(this, "No PATH", Toast.LENGTH_LONG).show();
        break;
      }
      break;
    default:
      break;
    }
  }
  
  private void toggleLaunch() {
    startAtBoot = cb_onBoot.isChecked() ?  true : false;
    cb_onBoot.setChecked(startAtBoot);
  }
  
  @Override
  protected void onStop() {
    super.onStop();
    
    new SavePreferences().execute();
  }
  
  @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) {
    
    switch (item.getItemId()) {
    case R.id.action_about:
      showAboutDialog();
      break;

    default:
      break;
    }
    
    return super.onOptionsItemSelected(item);
  }
  
  private void showAboutDialog() {
    FragmentManager fm = getSupportFragmentManager();
    AboutTheApp dialog = new AboutTheApp();
    dialog.show(fm, "ESTE TAG ARAGQUE ES");
  }
  
  /**
   * Write to preferences file in other thread
   */
  private class SavePreferences extends AsyncTask<Void, Void, Void>{
    @Override
    protected Void doInBackground(Void... params) {
      SharedPreferences settings = getSharedPreferences(RWGlobal.SHARED_PREFERENCES, Context.MODE_PRIVATE);
      SharedPreferences.Editor editor = settings.edit();
      editor.putString(RWGlobal.KEY_SOURCE_FOLDER, sourceFolder);
      editor.putInt(RWGlobal.KEY_INTERVAL, interval);
      editor.putInt(RWGlobal.KEY_HEGHT, height);
      editor.putInt(RWGlobal.KEY_WIDTH, width);
      editor.putBoolean(RWGlobal.KEY_AT_BOOT, startAtBoot);
      
      editor.commit();
      
      Log.i(MainActivity.TAG, "Updating sourceFolder to: " + sourceFolder);
      Log.i(MainActivity.TAG, "Updating interval to: " + interval);
      Log.i(MainActivity.TAG, "Updating heght to: " + height);
      Log.i(MainActivity.TAG, "Updating width to: " + width);
      Log.i(MainActivity.TAG, "Updating startAtBoot to: " + startAtBoot);
      return null;
    }
    
  }
}

Java Source Code List

• Back to WallPaper/Random  ↑