sticklistview
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package com.example.stick;
import java.util.ArrayList;
import java.util.List;
import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
import android.os.Bundle;
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
public class MainActivity extends Activity {
List<String> list;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
StickyListHeadersListView stick = (StickyListHeadersListView) findViewById(R.id.list);
list = new ArrayList<String>();
for (int i = 0 ; i < 100 ; i ++) {
list.add(i + "");
}
stick.setAdapter(new MAdapter());
}
public class MAdapter extends BaseAdapter implements StickyListHeadersAdapter {
private LayoutInflater inflater;
public MAdapter() {
inflater = LayoutInflater.from(MainActivity.this);
}
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int position) {
return list.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
holder = new ViewHolder();
convertView = inflater.inflate(R.layout.test_list_item_layout, parent, false);
holder.text = (TextView) convertView.findViewById(R.id.text);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.text.setText(list.get(position));
return convertView;
}
@Override
public View getHeaderView(int position, View convertView, ViewGroup parent) {
HeaderViewHolder holder;
if (convertView == null) {
holder = new HeaderViewHolder();
convertView = inflater.inflate(R.layout.header, parent, false);
holder.text = (TextView) convertView.findViewById(R.id.text);
convertView.setTag(holder);
} else {
holder = (HeaderViewHolder) convertView.getTag();
}
//set header text as first char in name
String headerText = "" + list.get(position).subSequence(0, 1).charAt(0);
holder.text.setText(headerText);
return convertView;
}
@Override
public long getHeaderId(int position) {
//return the first character of the country as ID because this is what headers are based upon
return list.get(position).subSequence(0, 1).charAt(0);
}
class HeaderViewHolder {
TextView text;
}
class ViewHolder {
TextView text;
}
}
@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;
}
}
import java.util.ArrayList;
import java.util.List;
import se.emilsjolander.stickylistheaders.StickyListHeadersAdapter;
import se.emilsjolander.stickylistheaders.StickyListHeadersListView;
import android.os.Bundle;
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
public class MainActivity extends Activity {
List<String> list;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
StickyListHeadersListView stick = (StickyListHeadersListView) findViewById(R.id.list);
list = new ArrayList<String>();
for (int i = 0 ; i < 100 ; i ++) {
list.add(i + "");
}
stick.setAdapter(new MAdapter());
}
public class MAdapter extends BaseAdapter implements StickyListHeadersAdapter {
private LayoutInflater inflater;
public MAdapter() {
inflater = LayoutInflater.from(MainActivity.this);
}
@Override
public int getCount() {
return list.size();
}
@Override
public Object getItem(int position) {
return list.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
holder = new ViewHolder();
convertView = inflater.inflate(R.layout.test_list_item_layout, parent, false);
holder.text = (TextView) convertView.findViewById(R.id.text);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.text.setText(list.get(position));
return convertView;
}
@Override
public View getHeaderView(int position, View convertView, ViewGroup parent) {
HeaderViewHolder holder;
if (convertView == null) {
holder = new HeaderViewHolder();
convertView = inflater.inflate(R.layout.header, parent, false);
holder.text = (TextView) convertView.findViewById(R.id.text);
convertView.setTag(holder);
} else {
holder = (HeaderViewHolder) convertView.getTag();
}
//set header text as first char in name
String headerText = "" + list.get(position).subSequence(0, 1).charAt(0);
holder.text.setText(headerText);
return convertView;
}
@Override
public long getHeaderId(int position) {
//return the first character of the country as ID because this is what headers are based upon
return list.get(position).subSequence(0, 1).charAt(0);
}
class HeaderViewHolder {
TextView text;
}
class ViewHolder {
TextView text;
}
}
@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;
}
}
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