methods such as the Drawtext,drawline,drawrect of a Graphics object to draw field
field can choose whether to handle and how to handle keyboard/trackball events, such as the user pressed "BlackBerry exit key", you can choose to pop Up the dialog box dialog, let the user confirm the need to exit
Implement Keychar (), Trackwheelclick (), invokeaction () and other methods.
Field needs to tell the manager the width and height
IntroductionBlackBerry Advanced Usage Tips
Steps/MethodsPower Saving Tips
1. Do not use Bluetooth, WiFi function, do not open;
2. Note that after you have finished using a program, press the "Exit key" to exit. Press "End/Power key" can also exit to the desktop, but the program is still running in the background;
3. Adjust the brightness of the screen, of course, the low brightness of the power-saving, there is a "backlight timeout" set shorter.
4. Use the sleeping sleeve in the accessory. Do
, pens and even brushes. Sharpen your pencil so that you can use it to create the most accurate images or to write the smallest and finest letters. But it doesn't seem so easy to do this task with the mouse.
Doug Engelbart [1] tells us the story of his invention of the mouse:
When he was a student, on one occasion, he needed to measure the area formed by the curve of many complex shapes. So he used a measuring tool with wheels that would scroll in the same direction, 90 degrees around the axis
information, such as the activity that was selected or unchecked in the test.1. Events-S The seed value of the pseudo-random number generator. If you run monkey again with the same seed value, it will generate the same sequence of events.--throttle Inserts a fixed delay between events. This option slows down the execution speed of the monkey. If this option is not specified, the monkey will not be delayed and the event will be produced as soon as possible.--pct-touch Adjusts the percentage of t
(uninstall)ADB install + package nameHow do I get the package name? : 2 Different methodsThe first way to get the package name:1.ADB Shell enters the midrange interface2.PM List Packages3.exit4.ADB Uninstall CN.COM.OPEN.MOOCThe second way to get the package name:ADB shellcd/data/data/LsADB shell (enter the terminal interface on the device, execute the corresponding operation command in the terminal interface, control the terminal directly)ADB shell TOP-M5 (view Application cup usage)ADB shell D
ChingOriginal address: http://blog.csdn.net/qingdujun/article/details/41551151"Attached:--Custom view frequently processed callback functionOnfinishinflate () triggers when all child controls in view are mapped to XMLonmeasure (int, int) determines the size of all child elementsOnLayout (boolean, int, int, int, int) triggered when view allocates the size and position of all child elementsonsizechanged (int, int, int, int) triggered when the size of the view changesOnDraw (Canvas) View details of
-configuration> and NBSP; Both tags are used to describe the hardware and software features required by the application, To prevent applications from being installed on devices that do not have these features. Android:reqfivewaynav=["true" | "false"] android:reqhardkeyboard=["true" | "false"] android:reqkeyboardtype=["undefined" | "Nokeys" | "QWERTY" | "Twelvekey"] android:reqnavigation=["undefined" | "Nonav" | "Dpad" | "Trackball" | "
For those who are unable to use Android smartphones for their eyesight, hearing or other physical reasons, Android offers accessibility features and services to help these users operate devices more simply, including text-to-speech, haptic feedback, gesture manipulation, Trackball and handle operation. Developers can build their own accessibility services, which can enhance usability, such as sound cues, physical feedback, and other optional modes of
( install to an external memory card whenever possible ) . Auto ( requires system stability, then select installation Location ) Sub-node tags under the manifest node: 1.USES-SDK : For defining the correct installation, you must specify the highest version (maxsdkversion), minimum version (minsdkversion), and the target version of the program design ( Targetsdkversion). 2.uses-configuation: Specifies a combination of each input mechanism supported by the application, which generally does not
run tasks, an abbreviated task status, whether the activity, and so onAndroid.permission.HARDWARE_TEST.Allow access to hardwareAndroid.permission.INJECT_EVENTS.Allows a program to intercept user events such as keystrokes, touches, trackball, etc. wait until a time stream, the Android Development Network alert is hook technology barAndroid.permission.INSTALL_PACKAGES.Allow a program to install packagesAndroid.permission.INTERNAL_SYSTEM_WINDOW.Allow op
run factory test mode
Using the Flash
Android.permission.FLASHLIGHT, allow access to flash
Forced back
Android.permission.FORCE_BACK, allows the program to force the back button to be used, regardless of whether the activity is on the top level
Access your account Gmail list
Android.permission.GET_ACCOUNTS, visit Gmail account List
Get app Size
Android.permission.GET_PACKAGE_SIZE, get the file size of the app
on the root userAndroid.permission.FLASHLIGHT.Access Flash, Android dev net tips HTC Dream does not include FlashAndroid.permission.FORCE_BACK.Allows the program to force a fallback operation on top level activitiesAndroid.permission.FOTA_UPDATE.Temporarily do not understand what it is to use, the Android Development network analysis may be a reserved privilege.Panax Android.permission.GET_ACCOUNTS.Access a list of accounts in the accounts serviceAndroid.permission.GET_PACKAGE_SIZE.Allows a pro
(KeyCode, event); } //There's a trackball event, and I don't know what it is. Public Booleanontrackballevent (Motionevent event) {return Super. Ontrackballevent (event); } //A touch-screen event occurs that triggers this method Public Booleanontouchevent (Motionevent event) {LOG.D ("Test", "I was touched, position X:" +event.getx () + "Y:" +event.gety ()); return Super. Ontouchevent (event); } //when getting or losing focus,
Onfinishinflate () triggers when all child controls in view are mapped to XMLonmeasure (int, int) determines the size of all child elementsOnLayout (boolean, int, int, int, int) triggered when view allocates the size and position of all child elementsonsizechanged (int, int, int, int) triggered when the size of the view changesOnDraw (Canvas) View details of rendered contentOnKeyDown (int, keyevent) has a button pressed and then triggeredonKeyUp (int, keyevent) triggers when the button is presse
screen).
--pct-trackball
Adjusts the percentage of track events (the trajectory event consists of one or more random movements, sometimes accompanied by clicks).
--pct-nav
Adjusts the percentage of the basic navigation event (the navigation event consists of the up/down/left/right from the direction input device).
--pct-majornav
Adjust the percentage of primary navigation events (these navig
application to EXPAND or collapse the STATUS BAR.Factory_test:run as a manufacturer TEST application, running as the root user.Flashlight:allows access to the flashlightForce_back:allows an application to force a back operation on whatever is the top activity.Get_accounts:allows access to the list of ACCOUNTS in the ACCOUNTS ServiceGet_package_size:allows an application-to-find out the space used by any package.GET_TASKS:THIS constant was deprecated on API level 21. No longer enforced.Get_top_a
so on (allows an application to get information about the currently or recently running Tasks:a thumbnail representation of the tasks, what activities is running in it, etc.)Android.permission.HARDWARE_TESTAllow access to hardware (allows access to hardware peripherals.)Android.permission.INJECT_EVENTSAllows a program to intercept user events such as keystrokes, touches, trackball and so on until a time stream, Android Development Network alert is ho
addition to using the touchscreen, the device has no other navigational facilities.Dpad: The device has a directional plate (d-pad) for navigation.Trackball: The device has a trackball for navigation.Wheel: The device has a directional wheel for navigation (uncommon).The Navigation configuration field indicates the type of navigation method available.
Platform version (API level)
For example:V3V4V7such as
The API level support
, trackball, and so on. It internally encapsulates two important attributes X and Y, which are used to record the coordinates of the horizontal and vertical axes, respectively. Gesturedetector: identifies various gestures. Ongesturelistener: This is a listener interface for gesture interaction, which provides several abstract methods and calls the corresponding method according to the gesturedetector gesture recognition result. I'm going to show
1. Making a program a system programWe must configure Android:shareduserid= "Android.uid.system" in ManifestPlus permissions: This permission is to allow a program to intercept user events such as keystrokes, touches, trackball, etc. until a time stream.2. Simulate home, back, menuprivate void Homepress () {Intent mhomeintent = new Intent (intent.action_main); Mhomeintent.addcategory (intent.category_home); Mhomeintent.addflags (Intent.f
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