Android Open Source - AppLevels App Levels Main

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License

The source code is released under:

Apache License

Java Source Code

/**
 * Copyright 2013 Nick Iaconis//from  w  w w .j  ava 2  s .c o  m
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * Filename:  AppLevelsMain.java
 * Class:    AppLevelsMain
 * 
 * Purpose:    As the user-facing portion of AppLevels, AppLevelsMain is
 *         responsible for managing the GUI and the operation of the
 *         background helper service, AppLevelsService.
 */

package com.codefox421.applevels;

import java.util.ArrayList;

import android.R.drawable;
import android.media.AudioManager;
import android.os.Bundle;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningServiceInfo;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.util.Log;
import android.view.Gravity;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.CompoundButton;
import android.widget.ListView;
import android.widget.ProgressBar;

public class AppLevelsMain extends Activity {
  
  CompoundButton toggleButton;
  ListView managedAppsList;
  PackageManager packageManager;
  AppLevelsDBAdapter datasource;
  Cursor cursor;
  ArrayList<ManagedPackage> packageList;
  ManagedPackage packageArrayTemplate[];

  
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        toggleButton = (CompoundButton)findViewById(R.id.serviceToggleButton);
        managedAppsList = (ListView)findViewById(R.id.managedAppsList);
        packageManager = getPackageManager();
        datasource = new AppLevelsDBAdapter(this);
        datasource.open();
      
      // Create a progress bar to display while the list loads
        ProgressBar progressBar = new ProgressBar(this);
        progressBar.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
                LayoutParams.WRAP_CONTENT));
        progressBar.setIndeterminate(true);
        managedAppsList.setEmptyView(progressBar);
        /*
        // Create list of managed applications
        packageList = new ArrayList<ManagedPackage>();
        fillData();
        
        // Create and attach the adapter
        if(packageList != null && !packageList.isEmpty()) {
          ManagedAppAdapter appAdapter = new ManagedAppAdapter(this, R.layout.managed_app, packageList.toArray(packageArrayTemplate));
          managedAppsList.setAdapter(appAdapter);
        }*/
    }

    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
    
    
    @Override
    public void onResume() {
      super.onResume();
    toggleButton.setChecked(isServiceRunning());
      datasource.open();
//      AudioManager audioManager = ((AudioManager)getSystemService(AUDIO_SERVICE));
//      for(int i = 0; i < 15; i++)
//        audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE, AudioManager.FLAG_SHOW_UI);
    }
    
    
    @Override
    public void onPause() {
      super.onPause();
      datasource.close();
    }
    
    
    public void toggleService(View view) {
      if(isServiceRunning()) {
        Log.d("AppLevels", "Stopping Service...");
        stopService(new Intent(AppLevelsMain.this, AppLevelsService.class));
      } else {
        Log.d("AppLevels", "Starting Service...");
        startService(new Intent(AppLevelsMain.this, AppLevelsService.class));
      }
      
      toggleButton.setChecked(isServiceRunning());
    }
    
    
    private boolean isServiceRunning() {
        ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
        for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
            if (AppLevelsService.class.getName().equals(service.service.getClassName())) {
                return true;
            }
        }
        return false;
    }
    
    
    private void fillData() {
      
      // Retrieve the cursor
      cursor = datasource.GetAppVolumes();
      if(cursor == null) {
        packageList = null;
        return;
      }
      
      while(!cursor.isAfterLast()) {
        
        // Retrieve application icon
        Drawable appIcon;
        try {
          appIcon = packageManager.getApplicationIcon(cursor.getString(cursor.getColumnIndex(AppLevelsDBHelper.KEY_PACKAGE)));
        } catch(Exception exception) {
          appIcon = getResources().getDrawable(R.drawable.default_app);
        }
        
        // Retrieve package name
        String packageName = cursor.getString(cursor.getColumnIndex(AppLevelsDBHelper.KEY_PACKAGE));
        
        // Retrieve volume level
        int volumeLevel = cursor.getInt(cursor.getColumnIndex(AppLevelsDBHelper.KEY_VOLUME));
        
        packageList.add(new ManagedPackage(packageName, appIcon, volumeLevel));
        
        cursor.moveToNext();
      }
    }
}

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