Android Context Menu On long ClickExample

Context Menu On Long Click Example

menu.xml

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

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

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

>

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/hello"

/>

</LinearLayout>

Source Code [MenuEx.java] is

package com.menuex;

import android.app.AlertDialog;

import android.app.ListActivity;

import android.content.DialogInterface;

import android.os.Bundle;

import android.view.ContextMenu;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.EditText;

import java.util.ArrayList;

public class MenuEx extends ListActivity {

private static final String[] items={"lorem", "ipsum", "dolor",

"sit","amet", "consectetuer", "adipiscing", "elit",

"morbi", "vel", "ligula", "vitae", "arcu", "aliquet",

"mollis", "etiam", "vel", "erat", "placerat", "ante",

"porttitor", "sodales", "pellentesque", "augue"

};

public static final int MENU_ADD = Menu.FIRST+1;

public static final int MENU_RESET = Menu.FIRST+2;

public static final int MENU_CAP = Menu.FIRST+3;

public static final int MENU_REMOVE = Menu.FIRST+4;

private ArrayList words=null;

@Override

public void onCreate(Bundle icicle) {

super.onCreate(icicle);

initAdapter();

registerForContextMenu(getListView());

}

public boolean onCreateOptionsMenu(Menu menu) {

menu

.add(Menu.NONE, MENU_ADD, Menu.NONE, "Add")

.setIcon(R.drawable.add1);

menu

.add(Menu.NONE, MENU_RESET, Menu.NONE, "Reset")

.setIcon(R.drawable.ref);

return(super.onCreateOptionsMenu(menu));

}

@Override

public void onCreateContextMenu(ContextMenu menu, View v,

ContextMenu.ContextMenuInfo menuInfo) {

menu.add(Menu.NONE, MENU_CAP, Menu.NONE, "Capitalize");

menu.add(Menu.NONE, MENU_REMOVE, Menu.NONE, "Remove");

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

switch (item.getItemId()) {

case MENU_ADD:

add();

return(true);

case MENU_RESET:

initAdapter();

return(true);

}

return(super.onOptionsItemSelected(item));

}

@Override

public boolean onContextItemSelected(MenuItem item) {

AdapterView.AdapterContextMenuInfo info=

(AdapterView.AdapterContextMenuInfo)item.getMenuInfo();

ArrayAdapter adapter=(ArrayAdapter)getListAdapter();

switch (item.getItemId()) {

case MENU_CAP:

String word=words.get(info.position);

word=word.toUpperCase();

adapter.remove(words.get(info.position));

adapter.insert(word, info.position);

return(true);

case MENU_REMOVE:

adapter.remove(words.get(info.position));

return(true);

}

return(super.onContextItemSelected(item));

}

private void initAdapter() {

words=new ArrayList();

for (String s : items) {

words.add(s);

}

setListAdapter(new ArrayAdapter(this,

android.R.layout.simple_list_item_1, words));

}

private void add() {

final View addView=getLayoutInflater().inflate(R.layout.add, null);

new AlertDialog.Builder(this)

.setTitle("Add a Word")

.setView(addView)

.setPositiveButton("OK",

new DialogInterface.OnClickListener() {

public void onClick(DialogInterface dialog,

int whichButton) {

ArrayAdapter adapter=(ArrayAdapter)getListAdapter();

EditText title=(EditText)addView.findViewById(R.id.title);

adapter.add(title.getText().toString());

}

})

.setNegativeButton("Cancel", null)

.show();

}

}

output :

Press Long tab on any list item