onkey

In the Android operating system, if you want to perform specific operations on a control, You Need To trigger the corresponding event. For example, the Android onKey event is triggered. Here we will give you a detailed introduction to some related

1. In order to test, we also set the view OnTouch ontouchevent OnClick onlongclick four events, after the printing test found that the key distribution process is this if the short press:ontouch-->> Ontouchevent--->>onclick. Long press:

Android activity and view for the keyboard monitoring, mainly the following methods// Press the button Public boolean onKeyDown (int keycode, keyevent event) {}// keys bounce public boolean onKeyUp (int keycode, KeyEvent event) {}// Constant

Tool CD production notes-general Linux technology-Linux programming and kernel information, the following is a detailed description. I. Refill knoppix Knoppix is a debian-based linux operating on a CD. There are a lot of articles about knoppix

Use PopupWindow to create a custom menu. Add a sub-View to PopupWindow. The sub-View layout is the menu layout. Animation that appears and exits: You can add an animation to the PopUpWindow or its child view. All menus made with PopupWindow on the

Implement Android Press ENTER to hide the input keyboard, there are two ways:1.) If the layout is multiple edittext, set android:singleline= "true" for each EditText control, and the floppy disk input key is next, until the last one gets the focus

Using system;Using system. drawing;Using system. Windows. forms;Public class keyexamine: Form{Public static void main (){Application. Run (New keyexamine ());} Enum eventtype{None, keydown, keyup, keypress}Struct keyevent{Public eventtype

1. Engineering Catalogue2, Testeventactivity.javaPackage Com.example.test_event;import Android.os.bundle;import Android.app.activity;import android.view.KeyEvent; Import Android.view.menu;import Android.view.view;import

    There are three onkey events in the listview source code of Android: onkeydown, onkeyup, and onkeymultiple, all of which are processed by the commonkey method. In the commonkey method, only local processing is overwritten for action_down, that

Android-CheckBox implementation calculator, androidcheckbox Source code: http://download.csdn.net/detail/wu20093346/7718055 Use the OnCheckedChangeListener of the CheckBox to trigger the event ,: list=new OnKeyListener() { @Override public