StackOverflow2013

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PO
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Id
7092979
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0
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0
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CreationDate
2011-08-17T12:42:29.717
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2011-08-17T12:42:29.717
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7092651
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2
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Body
For both, you basically just export a new version of your application from Eclipse, and upload the new APK through your market account. Application version changes are handled by a tag in the manifest: <code>android:versionCode</code>. Each time you export a updated APK, you need to increment the version code. <code>versionName</code> is just the label that's displayed to users in the market, so can be whatever you like. <pre><code><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.package" android:installLocation="auto" android:versionCode="17" android:versionName="0.74"> <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="12" /> <uses-permission android:name="android.permission.INTERNET"></uses-permission> ... </code></pre> As for the database, the easiest way to do it is to sub-class <a href="http://developer.android.com/reference/android/database/sqlite/SQLiteOpenHelper.html" rel="nofollow">SQLiteOpenHelper</a>. Then, in your sub-class you can have something like this: <pre><code>private class DBHelper extends SQLiteOpenHelper { private static final String DATABASE_NAME = "mydatabase.db"; private static final int DATABASE_VERSION = 45; public DBHelper(Context context) super(context, DATABASE_NAME, null, DATABASE_VERSION); } ... </code></pre> The SQLiteOpenHelper handles opening the database, and updates when the application launches. In the above example, the database version is 45. If you increment that, and upload a new APK to the market, an <code>onUpgrade()</code> method is called, which allows you to update users old databases to your new version.
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1. POApplication releasing in Update/Upgrade mode with SQLite databse file update
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