Bạn có thể sử dụng XML Android Resource File để thiết kế giao diện của một Context Menu.Tuy nhiên Context Menu của một ứng dụng thường khá đơn giản, vì vậy tạo ra một Context Menu hoàn toàn từ mã Java cũng là lựa chọn tốt (Xem thêm trong ví dụ bên dưới). Value to use for group and item identifier integers when you don't care Create a New Project :. Context menus are accessed and displayed differently on each platform. Few important points about the context: It is the context of the current state of the application. Add a group of menu items corresponding to actions that can be performed Sets the context menu header's title to the title given in title. You can have this value by calling the ViewConfiguration.getLongPressTimeout () method. Context Menu. The Context Menu may contain multiple Menu Items and Sub Menus. The android Context Menu is same as the menu which displayed on right click in Windows or Linux. Application builder can get selected list item value through setOnItemClickListener() function. To show a context menu on long click, most clients will want to call registerForContextMenu(View) and override onCreateContextMenu(ContextMenu, View, ContextMenu.ContextMenuInfo). Android context menu appears when user press long click on the element. view. You will learn: Contextual action mode How to use Long click: onItemLongClickListener In android, we can handle a context menu item click events using the onContextItemSelected() method. You can have this value by calling the ViewConfiguration.getLongPressTimeout () method. Context menus do not support item shortcuts and item icons. Popup menu just like a menu, it going to be display either above of the view or below of the view according to space on activity. Android provides the following two kinds of context menu: Floating context menu – This is displayed next to a view when it is long pressed; Action mode context menu – This shows an action bar when the view is long pressed. In Android, a standard long press duration is 500 milliseconds. Context menus do not support item shortcuts and item icons. user-supplied secondary (infrequently used) options -- or/add this with In … Add nuget package to your Xamarin.Forms .netStandard/PCL project and to your platform-specific projects (iOS and Android) Call ContextMenuViewRenderer.Preserve() in AppDelagate for iOS and MainActivity for Android How To Ued Clipboard In Android. package com.tutlane.contextmenuexample; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.ContextMenu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends AppCompatActivity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         Button btn = (Button) findViewById(R.id.btnShow);         registerForContextMenu(btn);     }     @Override     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {         super.onCreateContextMenu(menu, v, menuInfo);         menu.setHeaderTitle("Context Menu");         menu.add(0, v.getId(), 0, "Upload");         menu.add(0, v.getId(), 0, "Search");         menu.add(0, v.getId(), 0, "Share");         menu.add(0, v.getId(), 0, "Bookmark");     }     @Override     public boolean onContextItemSelected(MenuItem item) {         Toast.makeText(this, "Selected Item: " +item.getTitle(), Toast.LENGTH_SHORT).show();         return true;     } }. GitHub Gist: instantly share code, notes, and snippets. Control whether a particular group of items can show a check mark. This is how we can create Context Menu in android applications to show the menu list when the user long press on the defined element in our application. Create a new project in Android Studio from File ⇒ New Project and select Empty Activity from... 2. Category code for the order integer for items/groups that are For information about creating menus, read the Activity#registerForContextMenu and override Extension of Menu for context menus providing functionality to modify the header of the context menu.. We define one menu item which is used to delete items from ListView. In android, the Context Menu offers actions that affect a specific item or context frame in the UI and we can provide a context menu for any view. A mask of all supported modifiers for MenuItem's keyboard shortcuts. In my onCreate method after having populated the list adapter I use registerForContextMenu(getListView()); to register for a context menu. public Flag for performShortcut(int, KeyEvent, int): if set, do not close the menu after By selecting list array element developer can perform various task on it like open a new list view or any target page. Flag for performShortcut(int, android.view.KeyEvent, int): if set, always Following is the pictorial representation of using Context Menu in our android applications. Java is a registered trademark of Oracle and/or its affiliates. Tell Android a View is using a context menu. Sets the header of the context menu to the View given in Context Menu is used when the content is contextually related to the place/view where a menu is triggered. Extension of Menu for context menus providing functionality to modify @Override protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.activity_main);     Button btn = (Button) findViewById(R.id.btnShow);     registerForContextMenu(btn); } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {     super.onCreateContextMenu(menu, v, menuInfo);     menu.setHeaderTitle("Context Menu");     menu.add(0, v.getId(), 0, "Upload");     menu.add(0, v.getId(), 0, "Search");   }. string resource identifier instead of the string itself. Drawable. What is android context menu? In android, Context Menu is like a floating menu and that appears when the user performs a long press or click on an element and it is useful to implement actions that affect the selected content or context frame. When the registered view receives a long-click event, the system calls our onCreateContextMenu() method. When we run above example using an android virtual device (AVD) we will get a result like as shown below. alternative actions on the data that is currently displayed -- or/add Return the menu item with a particular identifier. Execute the menu item action associated with the given menu identifier. If you observe above code we are overriding onCreateContextMenu() method in activity to create context menu and registered view for context menu using registerForContextMenu(). Context menu povides a set of menu options when user perform long click on an Element. @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { //user has long pressed your TextView menu. Is a keypress one of the defined shortcut keys for this window. It affects the selected content while doing action on it. Bạn có thể sử dụng XML Android Resource File để thiết kế giao diện của một Context Menu.Tuy nhiên Context Menu của một ứng dụng thường khá đơn giản, vì vậy tạo ra một Context Menu hoàn toàn từ mã Java cũng là lựa chọn tốt (Xem thêm trong ví dụ bên dưới). the system -- or/add this with your base value. view. Once we are done with the creation of layout with required control, we need to load the XML layout resource from our activity onCreate() callback method, for that open main activity file MainActivity.java from \java\com.tutlane.contextmenuexample path and write the code like as shown below. The android Context Menu is more like the menu which displayed on right-click in Windows or Linux. resource identifier. Now let’s see an example to create Context menu in Android. 0. context_menu.xml. This ContextMenu so additional setters can be called. Ask Question Asked 9 years, 7 months ago. Category code for the order integer for items/groups that are provided by Step 1: Open an Activity Class Select your … In the Android system, the context menu provides actions that change a specific element or context frame in the user interface and one can provide a context menu for any view. the header of the context menu. Get listview clicked item on android. I have an Intent that extends a ListActivity. about them. In android, Context Menu is like a floating menu and that appears when the user performs a long press or click on an element and it is useful to implement actions that affect the selected content or context frame. Return whether the menu currently has item items that are visible. The options menu is the primary collection of menu items for an activity. This file defines menu items for contextual action bar. character. Following is the pictorial representation of using Context Menu in our android applications. Next, any view that is going to create a context menu as a child of a RecylcerView must must implement ViewWIthContextMenu. Android. The parts required to implement a simple context menu are: Define the menu captions, usually in a string resource file. @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { //user has long pressed your TextView menu. The Context in Android is actually the context of what we are talking about and where we are currently present. When the context menu is … In Android, a standard long press duration is 500 milliseconds. The Context in Android is actually the context of what we are talking about and where we are currently present. It is also known as floating menu. Create a new context_main.xml in res/menu folder and copy the following content. Now open an activity_main.xml file from \res\layout path and write the code like as shown below,