Android metadata from manifest returning null

Question

I have a class with one method that tries to retrieve meta-data from the manifest. Everything works fine except that the bundle that I create from the application info returns null values

Here's the code:

    private int getCurrentVersion(){     int currVersion = 0;      try {         ApplicationInfo app = context.getPackageManager().getApplicationInfo(context.getPackageName(),PackageManager.GET_META_DATA);         Bundle bundle = app.metaData;          for (String key: bundle.keySet())         {           Log.d ("TEST", key + " is a key in the bundle");         }          Log.d("TEST","google: "+bundle.getString("com.google.android.gms.version"));         Log.d("TEST","version: "+bundle.getString("dbVersion"));          //currVersion = Integer.valueOf(bundle.getString("dbVersion"));         currVersion = 1;     } catch (NameNotFoundException e) {         e.printStackTrace();     } catch (NullPointerException e) {         e.printStackTrace();              }      return currVersion; }   03-05 18:53:23.818: D/TEST(31400): com.google.android.gms.version is a key in the bundle 03-05 18:53:23.818: D/TEST(31400): dbVersion is a key in the bundle 03-05 18:53:23.828: D/TEST(31400): google: null 03-05 18:53:23.828: D/TEST(31400): version: null 

As you can see I'm using some logs to see if the bundle is empty, but its not.

Answer 1

In some cases you need to use getInt() method:

bundle.getInt("com.google.android.gms.version")); 

because the value of this meta-data is defined as an integer.

Log.d("TEST","google: "+bundle.getInt("com.google.android.gms.version")); 

For example if the value defined in your meta-data is a String:

     <meta-data           android:name="com.elenasys.a"          android:value="abcXJ434" />   

use:

   bundle.getString("com.elenasys.a"));    

if the value is an integer:

   <meta-data           android:name="com.elenasys.b"          android:value="1234" />   

use getInt()

 bundle.getInt("com.elenasys.b"));