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copied!<p>Android provide Application Context that you could subclass and use it in other activities. The steps are (I also highlight the links so you could read up on important things):</p> <ul> <li>Modify your <a href="http://developer.android.com/guide/topics/manifest/manifest-intro.html" rel="nofollow">Android Manifest</a> to include the custom Application. Look at the following section in your AndroidManifest.xml</li> </ul> <pre><code> <application android:icon="@drawable/icon" android:label="@string/app_name" android:theme="@android:style/Theme.NoTitleBar" android:name="com.mypackage.application.MyCustomApplication"> .... </code></pre> <p>The android:name="com.mypackage.application.MyCustomApplication" referring to the class MyCustomApplication which is the subclass of <a href="http://developer.android.com/reference/android/app/Application.html" rel="nofollow">Application</a> that you are going to create</p> <ul> <li>Now, it's time for you to make your subclass. In here you want to make sure you include HashMap<string,String> as part of its variable. So your subclass would look like</li> </ul> <pre><code> public class MyCustomApplication extends Application { HashMap myMap; public MyCustomApplication() { this.myMap = new HashMap(); } public HashMap getMyMap() { return myMap; } } </code></pre> <ul> <li>Once you do that, now you can access your map from any Activity by calling <a href="http://developer.android.com/reference/android/app/Activity.html#getApplication%28%29" rel="nofollow">getApplication()</a>. Make sure you cast the Application to MyCustomApplication to use it properly and get access to the method getMyMap()</li> </ul> <p>Let me know if you need further clarification</p>

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