Android Open Source - android-sdk Gps Helper

• Back to Development/sdk  ↑

From Project

Back to project page android-sdk.

License

The source code is released under:

Copyright (c) 2013 Adcash OU. All rights reserved under Creative Commons Attribution 3.0 Unported http://creativecommons.org/licenses/by/3.0/ Redistribution and use in source and binary forms, with or...

Java Source Code

package com.adcash.mobileads;
//  w ww  .ja v a  2s .  c  o  m
import static com.adcash.mobileads.util.Reflection.MethodBuilder;
import static com.adcash.mobileads.util.Reflection.classFound;

import java.lang.ref.WeakReference;

import com.adcash.mobileads.util.AsyncTasks;

import android.content.Context;
import android.content.SharedPreferences;
import android.os.AsyncTask;

public class GpsHelper {
  static public final int GOOGLE_PLAY_SUCCESS_CODE = 0;
    static public final String ADVERTISING_ID_KEY = "advertisingId";
    static public final String IS_LIMIT_AD_TRACKING_ENABLED_KEY = "isLimitAdTrackingEnabled";
    private static String sPlayServicesUtilClassName = "com.google.android.gms.common.GooglePlayServicesUtil";
    private static String sAdvertisingIdClientClassName = "com.google.android.gms.ads.identifier.AdvertisingIdClient";

    public interface GpsHelperListener {
        public void onFetchAdInfoCompleted();
    }

    static boolean isGpsAvailable(final Context context) {
        try {
          
          Object result = new MethodBuilder(null, "isGooglePlayServicesAvailable")
          .setStatic(Class.forName(sPlayServicesUtilClassName))
            .addParam(Context.class, context).execute();
      return (result != null && (Integer) result == GOOGLE_PLAY_SUCCESS_CODE);
        } catch (Exception exception) {
          Log.i("Adcash", exception.toString());
            return false;
        }
    }
    static public void asyncFetchAdvertisingInfoIfNotCached(final Context context, final GpsHelperListener gpsHelperListener) {
        // This method guarantees that the Google Play Services (GPS) advertising info will
        // be populated if GPS is available and the ad info is not already cached
        // The above will happen before the callback is run
        if (isGpsAvailable(context) && !isSharedPreferencesPopluated(context)) {
            asyncFetchAdvertisingInfo(context, gpsHelperListener);
        } else {
            gpsHelperListener.onFetchAdInfoCompleted();
        }
    }
    
    static public void asyncFetchAdvertisingInfo(final Context context) {
        asyncFetchAdvertisingInfo(context, null);
    }
    
    static String getAdvertisingId(final Context context) {
        final String defaultValue = null;
        if (isGpsAvailable(context)) {
            return SharedPreferencesHelper.getSharedPreferences(context)
                    .getString(ADVERTISING_ID_KEY, defaultValue);
        } else {
            return defaultValue;
        }
    }
    
    static public boolean isLimitAdTrackingEnabled(Context context) {
        final boolean defaultValue = false;
        if (isGpsAvailable(context)) {
            return SharedPreferencesHelper.getSharedPreferences(context)
                    .getBoolean(IS_LIMIT_AD_TRACKING_ENABLED_KEY, defaultValue);
        } else {
            return defaultValue;
        }
    }
    
    static boolean isSharedPreferencesPopluated(final Context context) {
        SharedPreferences sharedPreferences = SharedPreferencesHelper.getSharedPreferences(context);
        return sharedPreferences.contains(ADVERTISING_ID_KEY) &&
                sharedPreferences.contains(IS_LIMIT_AD_TRACKING_ENABLED_KEY);
    }
    static private class FetchAdvertisingInfoTask extends AsyncTask<Void, Void, Void> {
        private WeakReference<Context> mContextWeakReference;
        private WeakReference<GpsHelperListener> mGpsHelperListenerWeakReference;

        public FetchAdvertisingInfoTask(Context context, GpsHelperListener gpsHelperListener) {
            mContextWeakReference = new WeakReference<Context>(context);
            mGpsHelperListenerWeakReference = new WeakReference<GpsHelperListener>(gpsHelperListener);
        }

        @Override
        protected Void doInBackground(Void... voids) {
            try {
                Context context = mContextWeakReference.get();
                if (context == null) {
                    return null;
                }
                
                Object adInfo = new MethodBuilder(null, "getAdvertisingIdInfo")
              .setStatic(Class.forName(sAdvertisingIdClientClassName))
                .addParam(Context.class, context).execute();
                
                if (adInfo != null) {
                    updateSharedPreferences(context, adInfo);
                }
            } catch (Exception exception) {
                Log.i("Adcash", "Unable to obtain AdvertisingIdClient.getAdvertisingIdInfo()");
            }

            return null;
        }

        @Override
        protected void onPostExecute(Void aVoid) {
            GpsHelperListener gpsHelperListener = mGpsHelperListenerWeakReference.get();
            if (gpsHelperListener != null) {
                gpsHelperListener.onFetchAdInfoCompleted();
            }
        }
    }
    static public void asyncFetchAdvertisingInfo(final Context context, final GpsHelperListener gpsHelperListener) {
        if (!classFound(sAdvertisingIdClientClassName)) {
            if (gpsHelperListener != null) {
                gpsHelperListener.onFetchAdInfoCompleted();
            }

            return;
        }

        try {
            AsyncTasks.safeExecuteOnExecutor(new FetchAdvertisingInfoTask(context, gpsHelperListener));
        } catch (Exception exception) {
            if (gpsHelperListener != null) {
                gpsHelperListener.onFetchAdInfoCompleted();
            }
        }
    }
    
    static void updateSharedPreferences(final Context context, final Object adInfo) {
        String advertisingId = reflectedGetAdvertisingId(adInfo, null);
        Log.i("Adcasg", advertisingId);
        boolean isLimitAdTrackingEnabled = reflectedIsLimitAdTrackingEnabled(adInfo, false);

        /*
         * Committing using the editor is atomic; a single editor must always commit
         * to ensure that the state of the GPS variables are in sync.
         */

        SharedPreferencesHelper.getSharedPreferences(context)
                .edit()
                .putString(ADVERTISING_ID_KEY, advertisingId)
                .putBoolean(IS_LIMIT_AD_TRACKING_ENABLED_KEY, isLimitAdTrackingEnabled)
                .commit();
    }
    
    static String reflectedGetAdvertisingId(final Object adInfo, final String defaultValue) {
        try {
            return (String) new MethodBuilder(adInfo, "getId").execute();
        } catch (Exception exception) {
          Log.i("Adcash", exception.toString());
            return defaultValue;
        }
    }

    static boolean reflectedIsLimitAdTrackingEnabled(final Object adInfo, final boolean defaultValue) {
        try {
          
            Boolean result = (Boolean) new MethodBuilder(adInfo, "isLimitAdTrackingEnabled").execute();
            return (result != null) ? result : defaultValue;
        } catch (Exception exception) {
          Log.i("Adcash", exception.toString());
            return defaultValue;
        }
    }
    
}

Java Source Code List

• Back to Development/sdk  ↑