Android reads data from Androidmanifest.xml: Version number, app name, custom k-v data (Meta-data)

<?xml version= "1.0" encoding= "Utf-8"?>
<manifest xmlns:android= "Http://schemas.android.com/apk/res/android"
Package= "Com.example.android_metadata"
Android:versioncode= "1"
Android:versionname= "1.0" >


<uses-sdk
Android:minsdkversion= "8"
Android:targetsdkversion= "/>"


<application
Android:allowbackup= "true"
android:icon= "@drawable/ic_launcher"
Android:label= "@string/app_name"
Android:theme= "@style/apptheme" >
<meta-data
Android:name= "App_Data"
Android:value= "App_data_content"/>


<activity
Android:name= ". Mainactivity "
Android:label= "@string/app_name" >
<meta-data
Android:name= "Activity_data"
Android:value= "Activity_data_content"/>


<intent-filter>
<action android:name= "Android.intent.action.MAIN"/>


<category android:name= "Android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>

</manifest>

Package com.example.android_metadata;


Import Android.content.pm.ActivityInfo;
Import Android.content.pm.ApplicationInfo;
Import Android.content.pm.PackageManager;
Import android.content.pm.PackageManager.NameNotFoundException;
Import Android.os.Bundle;
Import android.support.v7.app.ActionBarActivity;
Import Android.view.Menu;
Import Android.view.MenuItem;
Import Android.widget.TextView;


@SuppressWarnings ("deprecation")
public class Mainactivity extends actionbaractivity
{
Private TextView Tv_data;


@Override
protected void OnCreate (Bundle savedinstancestate)
{
Super.oncreate (savedinstancestate);
Setcontentview (R.layout.activity_main);
Tv_data = (TextView) Findviewbyid (r.id.tv_metadata);
String version = NULL;
String appName = null;
String appData = null;
String activitydata = null;
PackageInfo info;
ApplicationInfo ApplicationInfo;
Activityinfo Activityinfo;


Try
{//AppName, Versioname
info = Getpackagemanager (). Getpackageinfo (Getpackagename (), 0);
AppName = Info.applicationInfo.loadLabel (Getpackagemanager ()). ToString ();
Version = Info.versionname;
Application Medadata Information
ApplicationInfo = Getpackagemanager (). Getapplicationinfo (Getpackagename (), Getpackagemanager (). Get_meta_data);
AppData = applicationInfo.metaData.getString ("App_Data");
Activity metadata Information
Activityinfo = Getpackagemanager (). Getactivityinfo (Getcomponentname (), packagemanager.get_meta_data);
Activitydata = activityInfo.metaData.getString ("Activity_data");
} catch (namenotfoundexception E2)
{
E2.printstacktrace ();
}


Tv_data.settext ("" + AppName + "\ n" + version + "\ n" + appData + "\ n" + activitydata);

}


@Override
public boolean Oncreateoptionsmenu (Menu menu)
{
Inflate the menu; This adds items to the action bar if it is present.
Getmenuinflater (). Inflate (R.menu.main, menu);
return true;
}


@Override
public boolean onoptionsitemselected (MenuItem Item)
{
Handle Action Bar Item clicks here. The Action Bar would
Automatically handle clicks on the Home/up button, so long
As you specify a the parent activity in Androidmanifest.xml.
int id = item.getitemid ();
if (id = = r.id.action_settings)
{
return true;
}
return super.onoptionsitemselected (item);
}
}

Android reads data from Androidmanifest.xml: Version number, app name, custom k-v data (Meta-data)

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Android reads data from Androidmanifest.xml: Version number, app name, custom k-v data (Meta-data)