package com.techpalle.b15_menus;

import android.os.Bundle;
import android.app.Activity;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {
 Button b1;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 b1 = (Button) findViewById(R.id.button1);
 registerForContextMenu(b1);
 }
 @Override
 public void onCreateContextMenu(ContextMenu menu, View v,
 ContextMenuInfo menuInfo) {
 if(v.getId() == R.id.button1){
 
 }
 MenuInflater mi = getMenuInflater();
 mi.inflate(R.menu.contextmenu, menu);
 menu.setHeaderIcon(R.drawable.ic_launcher);
 menu.setHeaderTitle("Contact Us!");
 super.onCreateContextMenu(menu, v, menuInfo);
 }
 @Override
 public boolean onContextItemSelected(MenuItem item) {
 switch(item.getItemId()){
 case R.id.item1:
 Toast.makeText(getApplicationContext(), 
 "Contact by SMS", 0).show();
 break;
 case R.id.item2:
 Toast.makeText(getApplicationContext(), 
 "Contact by Call", 0).show();
 break;
 case R.id.item3:
 Toast.makeText(getApplicationContext(), 
 "Contact by Map location", 0).show();
 break;
 }
 return super.onContextItemSelected(item);
 }
 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
 MenuInflater mi = getMenuInflater();
 mi.inflate(R.menu.optionsmenu, menu);
 return super.onCreateOptionsMenu(menu);
 }
 @Override
 public boolean onPrepareOptionsMenu(Menu menu) {
 menu.getItem(0).setTitle("My home");
 return super.onPrepareOptionsMenu(menu);
 }
 @Override
 public boolean onOptionsItemSelected(MenuItem item) {
 switch(item.getItemId()){
 case R.id.item1:
 Toast.makeText(getApplicationContext(), "Home", 0).show();
 break;
 case R.id.item2:
 Toast.makeText(getApplicationContext(), "AboutUs", 0).show();
 break;
 case R.id.item3:
 item.getSubMenu().setHeaderIcon(R.drawable.ic_launcher);
 item.getSubMenu().setHeaderTitle("Techpalle Trainings");
 Toast.makeText(getApplicationContext(), "Trainings", 0).show();
 break;
 case R.id.item4:
 Toast.makeText(getApplicationContext(), item.getTitle(), 
 0).show();
 break;
 case R.id.item5:
 item.setChecked(!item.isChecked());
 Toast.makeText(getApplicationContext(), "Android", 0).show();
 break;
 case R.id.item6:
 Toast.makeText(getApplicationContext(), "DotNet", 0).show();
 break;
 }
 return super.onOptionsItemSelected(item);
 }

}

  xmlns:tools="http://schemas.android.com/tools" 
 android:layout_width="match_parent" 
 android:layout_height="match_parent" 
 android:paddingBottom="@dimen/activity_vertical_margin" 
 android:paddingLeft="@dimen/activity_horizontal_margin" 
 android:paddingRight="@dimen/activity_horizontal_margin" 
 android:paddingTop="@dimen/activity_vertical_margin" 
 tools:context=".MainActivity" > 
  android:id="@+id/button1" 
 android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:layout_alignParentLeft="true" 
 android:layout_alignParentTop="true" 
 android:layout_marginLeft="27dp" 
 android:layout_marginTop="18dp" 
 android:text="Press and hold to Contact" /> 
  android:id="@+id/button2" 
 android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:layout_alignLeft="@+id/button1" 
 android:layout_below="@+id/button1" 
 android:text="Go to Next screen" /> 
  

  
  
  
  
  
  android:checkable="true" android:checked="true"/> 
  android:checkable="true"/>