Android Open Source - lightbox-android-webservices Android Utils

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License

The source code is released under:

Apache License

Java Source Code

/**
 * Copyright (c) 2012 Lightbox/*from   www . j  av  a  2 s.  co  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.
 */
package com.lightbox.android.utils;

import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.provider.Settings.Secure;
import android.util.Log;
import android.view.View;
import android.view.inputmethod.InputMethodManager;

/** 
 * AndroidUtils 
 * @author Fabien Devos
 */
public final class AndroidUtils {
  /** Used to tag logs */
  //@SuppressWarnings("unused")
  private static final String TAG = "AndroidUtils";
    
  private static Context sApplicationContext = null;
  
    //------------------------------------------------------
    // Private constructor for utility class
    private AndroidUtils() {
        throw new UnsupportedOperationException("Sorry, you cannot instantiate an utility class!");
    }
    //------------------------------------------------------

    //----------------------------------------------
  // Set/Get application context
    
    public static void setApplicationContext(Context context) {
      sApplicationContext = context.getApplicationContext();
    }

    public static Context getApplicationContext() {
      return sApplicationContext;
    }
    
    //----------------------------------------------
  // Retrieving useful informations

    /**
     * @return the ANDROID_ID that identify the device, or the "emulator" string on the emulator.
     */
    public static String getAndroidId(Context context) {
        String androidId = Secure.getString(context.getContentResolver(), Secure.ANDROID_ID);
        if (androidId == null || androidId.length() <= 0) {
            androidId = "emulator";
        }
        return androidId;
    }

  /**
   * @return the name of the app (as defined in the "label" attribute in the manifest)
   */
  public static String getApplicationLabel() {
    Context context = sApplicationContext;
    String applicationLabel = "Unknown app";
    if (context != null) {
      applicationLabel = getApplicationLabel(context);
    }
    return applicationLabel;
  }
    
  /**
   * @return the name of the app (as defined in the "label" attribute in the manifest)
   */
  public static String getApplicationLabel(Context context) {
    ApplicationInfo appInfo = context.getApplicationInfo();
      return (String) context.getPackageManager().getApplicationLabel(appInfo);
  }
    
  /**
   * @return the version name of the application
   */
  public static String getVersionName(Context context) {
    String versionName = "unknown version";
    try {
      PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
      versionName = packageInfo.versionName;
    } catch (PackageManager.NameNotFoundException e) {
      Log.w(TAG, e);
    }
    return versionName;
  }
  
  /**
   * @return the version code of the application
   */
  public static int getVersionCode() {
    Context context = sApplicationContext;
    int versionCode = -1;
    if (context != null) {
      versionCode = getVersionCode(context);
    }
    return versionCode;
  }
  
  /**
   * @return the version code of the application
   */
  public static int getVersionCode(Context context) {
    int versionCode = -1;
    try {
      PackageInfo packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
      versionCode = packageInfo.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
      Log.w(TAG, e);
    }
    return versionCode;
  }
  
  /**
   * @return Android SDK, Version, Manufacturer, Model, Device
   */
  public static String getDeviceInfo() {
    String info = "Android SDK: "
      + android.os.Build.VERSION.SDK_INT + " Version: "
      + android.os.Build.VERSION.RELEASE + " Manufacturer: "
      + android.os.Build.MANUFACTURER + " Model: "
      + android.os.Build.MODEL + " Device: "
      + android.os.Build.DEVICE;
    return info;
  }
  
    
    /**
     * @return true if the app is debuggable, false otherwise
     */
    public static boolean isDebuggable(Context context) {
        return ((context.getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0);
    }
    
    /** 
     * @return true if this device has a camera  
     */
    public static boolean hasCamera(Context context) {
        return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
    }
    
    /**
     * @return true if this device has Amazon Market App installed
     */
    public static boolean hasAmazonMarketApp(Context context) {
    try {
      context.getPackageManager().getPackageInfo("com.amazon.venezia", 0);
      return true;
    } catch (NameNotFoundException e) {
      return false;
    }
    }
    
    //----------------------------------------------
  // Input
    
    public static void hideKeyboard(Context context, View view) {
        InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
    }
}

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