Android Menu and AndroidMenu

Android Menu and AndroidMenu

Set button in Android: Long press or click the menu key

1. Long press options:

Layout file:

1 <LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" 2 xmlns: tools = "http://schemas.android.com/tools" 3 android: layout_width = "match_parent" 4 android: layout_height = "match_parent" 5 android: orientation = "vertical" 6 android: paddingBottom = "@ dimen/activity_vertical_margin" 7 android: paddingLeft = "@ dimen/activity_horizontal_margin" 8 android: paddingRight = "@ dimen/activity_horizontal_margin" 9 android: paddingTop = "@ dimen/activity_vertical_margin" 10 tools: context = ". menuActivity "> 11 12 <TextView13 android: id =" @ + id/menutext1 "14 android: layout_width =" fill_parent "15 android: layout_height =" wrap_content "16 android: text = "Method 1: Create a menu" 17 android: textSize = "20sp"/> 18 19 <TextView20 android: id = "@ + id/menutext2" 21 android: layout_width = "fill_parent" 22 android: layout_height = "wrap_content" 23 android: text = "method 2" 24 android: textSize = "20sp"/> 25 26 <ListView27 android: id = "@ + id/menulist" 28 android: layout_width = "fill_parent" 29 android: layout_height = "fill_parent" 30 android: layout_marginTop = "50dp"> 31 </ListView> 32 33 </LinearLayout>

Implementation process:

1 private ListView list; 2 private TextView lv; 3 4 String [] str = {"TextView", "EditView", "Toast (message box )"}; 5 6 @ Override 7 protected void onCreate (Bundle savedInstanceState) {8 super. onCreate (savedInstanceState); 9 setContentView (R. layout. activity_menu); 10 11 list = (ListView) findViewById (R. id. menulist); 12 ArrayAdapter <String> arr = new ArrayAdapter <String> (this, 13 android. r. layout. simple_list_item_1, str); 14 list. setAdapter (arr); 15 16 list. setOnCreateContextMenuListener (new OnCreateContextMenuListener () {17 18 @ Override19 public void onCreateContextMenu (ContextMenu menu, View v, 20 ContextMenuInfo menuInfo) {21 menu. clear (); 22 menu. clearHeader (); 23 menu. setHeaderIcon (R. drawable. ic_launcher); 24 menu. setHeaderTitle ("My name is ListView"); 25 menu. add (3, 6, 0, "delete"); 26 menu. add (3, 7, 1, "modify"); 27} 28}); 29 // Method 30 TextView TV = (TextView) findViewById (R. id. menutext1); 31 this. registerForContextMenu (TV); 32 // Method 33 lv = (TextView) findViewById (R. id. menutext2); 34 lv. setOnCreateContextMenuListener (new OnCreateContextMenuListener () {35 36 @ Override37 public void onCreateContextMenu (ContextMenu menu, View v, 38 ContextMenuInfo menuInfo) {39 menu. setHeaderTitle ("length-ContextMenu"); 40 menu. add (0, 1, 0, "copy"); 41 SubMenu sb = menu. addSubMenu ("Search"); 42 sb. add (1, 2, 0, "search by id"); 43 sb. add (1, 3, 0, "search by name"); 44} 45}); 46}

2. Long press menu item:

1 private ListView list; 2 private TextView lv; 3 4 String [] str = {"TextView", "EditView", "Toast (message box )"}; 5 6 @ Override 7 protected void onCreate (Bundle savedInstanceState) {8 super. onCreate (savedInstanceState); 9 setContentView (R. layout. activity_menu); 10 11 list = (ListView) findViewById (R. id. menulist); 12 ArrayAdapter <String> arr = new ArrayAdapter <String> (this, 13 android. r. layout. simple_list_item_1, str); 14 list. setAdapter (arr); 15 16 list. setOnCreateContextMenuListener (new OnCreateContextMenuListener () {17 18 @ Override19 public void onCreateContextMenu (ContextMenu menu, View v, 20 ContextMenuInfo menuInfo) {21 menu. clear (); 22 menu. clearHeader (); 23 menu. setHeaderIcon (R. drawable. ic_launcher); 24 menu. setHeaderTitle ("My name is ListView"); 25 menu. add (3, 6, 0, "delete"); 26 menu. add (3, 7, 1, "modify"); 27} 28}); 29 // Method 30 TextView TV = (TextView) findViewById (R. id. menutext1); 31 this. registerForContextMenu (TV); 32 // Method 33 lv = (TextView) findViewById (R. id. menutext2); 34 lv. setOnCreateContextMenuListener (new OnCreateContextMenuListener () {35 36 @ Override37 public void onCreateContextMenu (ContextMenu menu, View v, 38 ContextMenuInfo menuInfo) {39 menu. setHeaderTitle ("length-ContextMenu"); 40 menu. add (0, 1, 0, "copy"); 41 SubMenu sb = menu. addSubMenu ("Search"); 42 sb. add (1, 2, 0, "search by id"); 43 sb. add (1, 3, 0, "search by name"); 44} 45}); 46}

Over

Tags: Android, menu