Android Section Header

Hello Droid Guy,

How to Create Section Header In Android.... ??

Here , I am Sharing the running code of Android Section Header.
Hope this will Helps anybody.... :)
Enjoy Coding  :)


1. ScreenShots:

Code for Android Section Header   :

1. AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android" 

    package="com.mukesh.section.demo" 

    android:versionCode="1" 

    android:versionName="1.0">

    

    <uses-sdk android:minSdkVersion="8" />

     

<application android:icon="@drawable/icon" android:label="@string/app_name"     android:theme="@android:style/Theme.Light">

<activity android:name=".SectionDemoActivity">

<intent-filter>

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

<category android:name="android.intent.category.LAUNCHER" />

</intent-filter>

</activity>

</application>

</manifest>

2. SectionDemoActivity.java

package com.mukesh.section.demo;



import android.app.*;

import android.os.*;

import android.util.*;

import android.view.*;

import android.widget.*;



import java.util.*;



import com.mukesh.widget.*;



public class SectionDemoActivity extends Activity {

 AmazingListView lsComposer;

 SectionComposerAdapter adapter;



 @Override

 public void onCreate(Bundle savedInstanceState) {

  super.onCreate(savedInstanceState);

  setContentView(R.layout.activity_section_demo);



  lsComposer = (AmazingListView) findViewById(R.id.lsComposer);

  lsComposer.setPinnedHeaderView(LayoutInflater.from(this).inflate(

    R.layout.item_composer_header, lsComposer, false));

  lsComposer.setAdapter(adapter = new SectionComposerAdapter());

 }



 class SectionComposerAdapter extends AmazingAdapter {

  List<Pair<String, List<Composer>>> all = Data.getAllData();



  @Override

  public int getCount() {

   int res = 0;

   for (int i = 0; i < all.size(); i++) {

    res += all.get(i).second.size();

   }

   return res;

  }



  @Override

  public Composer getItem(int position) {

   int c = 0;

   for (int i = 0; i < all.size(); i++) {

    if (position >= c && position < c + all.get(i).second.size()) {

     return all.get(i).second.get(position - c);

    }

    c += all.get(i).second.size();

   }

   return null;

  }



  @Override

  public long getItemId(int position) {

   return position;

  }



  @Override

  protected void onNextPageRequested(int page) {

  }



  @Override

  protected void bindSectionHeader(View view, int position,

    boolean displaySectionHeader) {

   if (displaySectionHeader) {

    view.findViewById(R.id.header).setVisibility(View.VISIBLE);

    TextView lSectionTitle = (TextView) view

      .findViewById(R.id.header);

    lSectionTitle

      .setText(getSections()[getSectionForPosition(position)]);

   } else {

    view.findViewById(R.id.header).setVisibility(View.GONE);

   }

  }



  @Override

  public View getAmazingView(int position, View convertView,

    ViewGroup parent) {

   View res = convertView;

   if (res == null)

    res = getLayoutInflater().inflate(R.layout.item_composer, null);



   TextView lName = (TextView) res.findViewById(R.id.lName);

   TextView lYear = (TextView) res.findViewById(R.id.lYear);



   Composer composer = getItem(position);

   lName.setText(composer.name);

   lYear.setText(composer.code);



   return res;

  }



  @Override

  public void configurePinnedHeader(View header, int position, int alpha) {

   TextView lSectionHeader = (TextView) header;

   lSectionHeader

     .setText(getSections()[getSectionForPosition(position)]);

   lSectionHeader.setBackgroundColor(alpha << 24 | (0x000000));

   lSectionHeader.setTextColor(alpha << 24 | (0xffffff));

  }



  @Override

  public int getPositionForSection(int section) {

   if (section < 0)

    section = 0;

   if (section >= all.size())

    section = all.size() - 1;

   int c = 0;

   for (int i = 0; i < all.size(); i++) {

    if (section == i) {

     return c;

    }

    c += all.get(i).second.size();

   }

   return 0;

  }



  @Override

  public int getSectionForPosition(int position) {

   int c = 0;

   for (int i = 0; i < all.size(); i++) {

    if (position >= c && position < c + all.get(i).second.size()) {

     return i;

    }

    c += all.get(i).second.size();

   }

   return -1;

  }



  @Override

  public String[] getSections() {

   String[] res = new String[all.size()];

   for (int i = 0; i < all.size(); i++) {

    res[i] = all.get(i).first;

   }

   return res;

  }



 }

}

3. Data.java

package com.mukesh.section.demo;

import android.os.*;
import android.util.*;

import java.util.*;

public class Data {
 public static final String TAG = Data.class.getSimpleName();

 public static List<Pair<String, List<Composer>>> getAllData() {
  List<Pair<String, List<Composer>>> res = new ArrayList<Pair<String, List<Composer>>>();

  for (int i = 0; i < 4; i++) {
   res.add(getOneSection(i));
  }

  return res;
 }

 public static List<Composer> getFlattenedData() {
  List<Composer> res = new ArrayList<Composer>();

  for (int i = 0; i < 4; i++) {
   res.addAll(getOneSection(i).second);
  }

  return res;
 }

 public static Pair<Boolean, List<Composer>> getRows(int page) {
  List<Composer> flattenedData = getFlattenedData();
  if (page == 1) {
   return new Pair<Boolean, List<Composer>>(true,
     flattenedData.subList(0, 5));
  } else {
   SystemClock.sleep(2000); // simulate loading
   return new Pair<Boolean, List<Composer>>(
     page * 5 < flattenedData.size(), flattenedData.subList(
       (page - 1) * 5,
       Math.min(page * 5, flattenedData.size())));
  }
 }

 public static Pair<String, List<Composer>> getOneSection(int index) {
  String[] titles = { "Assam", "Goa", "Jharkhand", "Maharashtra",
    "Uttar Pradesh" };
  Composer[][] composerss = {
    { new Composer("Abhayapuri", "3669"),
      new Composer("Barama", "3623"),
      new Composer("Bihupuria", "3759"),
      new Composer("Bijni", "3668"), },
    { new Composer("Canacona", "8346"),
      new Composer("Margaon", "8342"),
      new Composer("Panji", "832"),
      new Composer("Ponda", "8343"), },
    { new Composer("Basia", "6533"),
      new Composer("Bokaro", "6542"),
      new Composer("Chaibasa", "6582"),
      new Composer("Chandil", "6591"), },
    { new Composer("Achalpur", "7223"),
      new Composer("Ahmednagar", "241"),
      new Composer("Ajara", "2323"),
      new Composer("Akola", "724"), },
    { new Composer("Agra", "562"),
      new Composer("Akbarpur", "5111"),
      new Composer("Aligarh", "571"),
      new Composer("Allahabad", "532"), }, };
  return new Pair<String, List<Composer>>(titles[index],
    Arrays.asList(composerss[index]));
 }
}

Download the full running source code:

SectionHeader.zip




                                                                 

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