trackball gamepad

A user message is a message that is converted from a hardware physical message to a unified format defined in the framework by the Front-End of message processing. Messages are classified into three types: (1) key message (2) touch messages (3) trackball message Because trackball messages are not commonly used or are never used at all, we will not introduce them. One-click message The implementation class o

. GET_PACKAGE_SIZEAllows a program to obtain the space occupied by any package (Allows an application to find out the space used by any package .) Android. permission. GET_TASKSAllows a program to obtain information about the currently running or recently running task, the status of a scaled task, and whether the task is active (Allows an application to get information about the currently or recently running tasks: a thumbnail representation of the tasks, what activities are running in it, etc .

wish to create a custom hardware profile [No] Yes Device Ram size: the amount of physical RAM on the device, in megabytes.HW. ramsize [96]: 128 Touch-screen support: whether there is a touch screen or not on the device.HW. touchscreen [Yes]: Yes Track-ball support: whether there is a trackball on the device.HW. trackball [Yes]: Yes Keyboard support: whether the device has a QWERTY keyboard.HW. keyboard [Ye

Android's official developer blog posted a slide to introduce some tips on Android UI design. Here, we will show you how to speak. Don't:1. Do not copy your uidesign on other platforms. Users should feel that they are using an Android software to strike a balance between your trademark display and overall platform view.2. Do not over-use the Modal Dialog Box3. Do not use a fixed absolute positioning layout.4. Do not use PX units. Use DP or SP for text.5. Do not use a small font. Do:1. Create res

. get_tasksAllows an application to get information about the currently or recently running tasks: a thumbnail representation of the tasks, what activities are running in IT, etcAllows a program to obtain information about the current or recent running tasks, the status of a scaled task, and whether the task is active. Android. Permission. hardware_testAllows access to hardware peripherals.Allow access to hardware Android. Permission. inject_eventsAllows an application to inject user events

package .)Android. Permission. get_tasksAllows a program to obtain information about the currently running or recently running task, the status of a scaled task, and whether the task is active (allows an application to get information about the currently or recently running tasks: a thumbnail representation of the tasks, what activities are running in it, etc .)Android. Permission. hardware_testAllow access to hardware (allows access to hardware peripherals .)Android. Permission. inject_eventsA

constructor that are called when the view is created from code and a form that is called when the view is inflated from a layout file. the second form shoshould parse and apply any attributes defined in the layout file. OnFinishInflate () Called after a view and all of its children has been inflated from XML. Layout OnMeasure (int, int) Called to determine the size requirements for this view and all of its children. OnLayout (boolean, int, int) Called when

from a layout file. the second form shoshould parse and apply any attributes defined in the layout file. OnFinishInflate () Called after a view and all of its children has been inflated from XML. Layout OnMeasure (int, int) Called to determine the size requirements for this view and all of its children. OnLayout (boolean, int, int) Called when this view shoshould assign a size and position to all of its children. OnSizeChanged (int, int) Called

, whiteLight);} void display () {glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear the color and depth buffer glMatrixMode (GL_PROJECTION ); // perform glLoadIdentity () on the projection matrix; // move the coordinate origin to the center glMatrixMode (GL_MODELVIEW); // perform glPushMatrix () on the model visual matrix; glRotatef (spin, 0.0, 1.0, 0.0); // set the material glMaterialfv (GL_FRONT, GL_SPECULAR, matSpecular); // set the glMaterialfv (GL_FRONT, GL_SHININESS, matShinines

;Navhidden: the navigation key is unavailable.If you can see the navigation key, you can change this restriction when the application is running.The navigationHidden configuration field indicates whether the navigation key is hidden. Main non-touch screen navigation methods NonavDpadTrackballWheel Nonav: the device has no navigation facilities except touch screens.Dpad: the device has a d-pad for navigation ).Trackball: the device has a

-resolution screens (better overall zoom-in ratio)2> the elements to be clicked must be large enough3> the icon design follows the android standard.4> Use appropriate spacing (margins, padding)5> supports D-pad and trackball navigation.6> correctly manage the activity Stack7> correctly handle screen direction changes8> use theme/style, size, and color resources to reduce unnecessary values9> cooperation with visual Interaction designers !!! Design Ph