Android --- Create Menu level 2 sub-Menu

[Do not talk about it, just go to the Code]

[Java]
Package com. bison;
 
Import android. app. Activity;
Import android. OS. Bundle;
Import android. text. Html;
Import android. view. ContextMenu;
Import android. view. ContextMenu. ContextMenuInfo;
Import android. view. Menu;
Import android. view. SubMenu;
Import android. view. View;
Import android. view. View. OnLongClickListener;
Import android. widget. TextView;
 
Public class TestOneActivity extends Activity {
// Declare TextView
Private TextView TV;
 
@ Override
Public void onCreate (Bundle savedInstanceState ){
Super. onCreate (savedInstanceState );
// Declare Html code
String strHtml = "<font color = 'red'> This is red </font>" + "<br>"
+ "<Font color = 'green'> This is green </font> ";
 
// Instantiate
TV = new TextView (this );
// Displayed text
TV. setText (Html. fromHtml (strHtml ));
// Set the text size
TV. setTextSize (24 );
// Load TextView to display the page
SetContentView (TV );
// Context menu for TV Registration
RegisterForContextMenu (TV );
 
// The statement can be long-pressed
TV. setLongClickable (true );
TV. setOnLongClickListener (new OnLongClickListener (){
 
Public boolean onLongClick (View v ){
// Display the context menu
V. showContextMenu ();
// Change to true
Return true;
}
});
 
}
 
/** Set the Menu Method */
Private void getMenu (Menu menu, String str ){
Menu. add (1, 1, 1, str + "1 ");
Menu. add (1, 2, 2, str + "2 ");
Menu. add (1, 3, 3, str + "3 ");
// Declare sub-menu
SubMenu mSubMenu1 = menu. addSubMenu (str + "file ");
MSubMenu1.add (10, 5, 4, str + "new ");
MSubMenu1.add (10, 6, 6, str + "open ");
SubMenu mSubMenu2 = menu. addSubMenu (str + "edit ");
MSubMenu2.add (20, 7, 8, str + "copy ");
MSubMenu2.add (20, 8, 9, str + "delete ");
}
 
@ Override
Public void onCreateContextMenu (ContextMenu menu, View v,
ContextMenuInfo menuInfo ){
GetMenu (menu, "context ");
}
 
@ Override
Public boolean onCreateOptionsMenu (Menu menu ){
GetMenu (menu, "Menu button ");
Return super. onCreateOptionsMenu (menu );
}
 
}
Package com. bison;

Import android. app. Activity;
Import android. OS. Bundle;
Import android. text. Html;
Import android. view. ContextMenu;
Import android. view. ContextMenu. ContextMenuInfo;
Import android. view. Menu;
Import android. view. SubMenu;
Import android. view. View;
Import android. view. View. OnLongClickListener;
Import android. widget. TextView;

Public class TestOneActivity extends Activity {
// Declare TextView
Private TextView TV;

@ Override
Public void onCreate (Bundle savedInstanceState ){
Super. onCreate (savedInstanceState );
// Declare Html code
String strHtml = "<font color = 'red'> This is red </font>" + "<br>"
+ "<Font color = 'green'> This is green </font> ";

// Instantiate
TV = new TextView (this );
// The displayed text is www.2cto.com.
TV. setText (Html. fromHtml (strHtml ));
// Set the text size
TV. setTextSize (24 );
// Load TextView to display the page
SetContentView (TV );
// Context menu for TV Registration
RegisterForContextMenu (TV );

// The statement can be long-pressed
TV. setLongClickable (true );
TV. setOnLongClickListener (new OnLongClickListener (){

Public boolean onLongClick (View v ){
// Display the context menu
V. showContextMenu ();
// Change to true
Return true;
}
});

}

/** Set the Menu Method */
Private void getMenu (Menu menu, String str ){
Menu. add (1, 1, 1, str + "1 ");
Menu. add (1, 2, 2, str + "2 ");
Menu. add (1, 3, 3, str + "3 ");
// Declare sub-menu
SubMenu mSubMenu1 = menu. addSubMenu (str + "file ");
MSubMenu1.add (10, 5, 4, str + "new ");
MSubMenu1.add (10, 6, 6, str + "open ");
SubMenu mSubMenu2 = menu. addSubMenu (str + "edit ");
MSubMenu2.add (20, 7, 8, str + "copy ");
MSubMenu2.add (20, 8, 9, str + "delete ");
}

@ Override
Public void onCreateContextMenu (ContextMenu menu, View v,
ContextMenuInfo menuInfo ){
GetMenu (menu, "context ");
}

@ Override
Public boolean onCreateOptionsMenu (Menu menu ){
GetMenu (menu, "Menu button ");
Return super. onCreateOptionsMenu (menu );
}

}

PS: note that the context menu must be registered and showContextMenu ()

 

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