Android system transplantation and debugging -------) how to modify the NFC module of the Android mobile phone so that NFC can be used in the black screen
We all know that, without modifying the source code, NFC can only be used after unlocking. However, NFC cannot be used in two statuses: screen lock and black
This article illustrates the solution to the black screen of the Android custom camera camera. Share to everyone for your reference, specific as follows:
For some phones, like HTC, when customizing camera, call Camera.parameters's parameters.setpreviewsize (width, height) method when the width and height are odd, There will be a black screen phenomenon, the solu
[Android] about the system toolbar and full screen immersion mode, android immersion
I have written several related articles about System Bars:
[Android] Get the height of the Status Bar and Navigation Bar at the top of the system
[Android] Status Bar
[
use Asm.jar to project your Android phone screen to your computerSometimes it may be necessary to project some of the actions on your phone, such as the display of some app demos. In fact, there are specialized hardware equipment capable of this matter, but there is no need to specifically show a demo to spend money to buy hardware equipment. Just right, for Android
Sometimes it is necessary to display the phone screen to a PC or Mac for the convenience of demonstrating a mobile app. Here's a method-use Vysor to achieve this feature.The appeal of Vysor lies in 3 areas:It works on Windows, Linux, or Mac.The USB cable sharing screen is almost real-time, while some wireless solutions have significant lag. Vysor still has a slight delay, but it's much faster than the wirel
It is easy for Android to remove the title bar and full screen. There are two common methods:
First, implement in the program:
This. requestwindowfeature (window. feature_no_title); // remove the title bar.
This. getwindow (). setflags (windowmanager. layoutparams. flag_fullscreen, windowmanager. layoutparams. flag_fullscreen); // remove the Information bar Note: The two lines of code should be written b
Android screen adaptation and android adaptationI. terms and conceptsFour types of screen sizes: small, normal, large, and xlargeFour density classifications: ldpi (low), mdpi (medium), hdpi (high), and xhdpi (extra high)It should be noted that xhdpi is added from Android 2.
Because blogging always requires a demo of the Android software, it has been researched for almost an hour to find the right tool;Recording Process :-- 1. Record Android phone screen content : Use the Master software to record Android screen content;-- 2. Export Video : MP4
Http://www.cnblogs.com/xiaofeixiang/p/4086092.htmlIn general, there are two ways to run an Android app, one is to set up an Android virtual Device Emulator, to manage it via Android manger, and to plug in a USB cable directly on the real machine, but if the computer is configured to be low, Directly with the real machine and then do the demo when the real machine
Even if the Android companies are not persuaded to abandon the physical navigation key design, Google seems to have decided to let Android devices get rid of the "obsession" of the capacitive navigation keys at least first. We know that Google pioneered the Android 4.0 Ice Cream sandwich version for the first time using a standardized
Set portrait screen for Android, android
Solution 1: Configure in AndroidManifest. xml
In AndroidManifest. xml of the project, find the android: screenOrientation attribute in the activity you specified, which has the following parameters:
"Unspecified": The default value is used by the system to determine the display
When the screen rotates and switches, the Android mechanism is:Destroy the current screen activity, and then reopen a new activity that adapts to screen changes.So how do we get the page information not reset when the screen is switched?
Solution implementation:1. In the An
androidmainfest:
Android: smallscreens = "true"
Android: normalscreens = "true"
Android: largescreens = "true"
Android: xlargescreens = "true"
Android: anydensity = "true"/>
If you do not have these lines of code, no matter how you adjust the controls in layout, the phone
Open SCR screen Recorder, display the video Control Panel , click "Start" button to start recording;-There are two ways to stop recording. One is the lock screen, the lock screen after waiting for 2 seconds, the video file will be automatically saved to the SD card, the other is to reopen SCR
[Video] Secrets of Embedded Linux/Android driver development (1) Touch Screen driver development and android driver development
Secrets of Embedded Linux/Android driver development (1) Touch Screen driver development
Topic Introduction: Since samurst invented the world's fi
The example in this article describes the way Android programming is set to Full-screen. Share to everyone for your reference, specific as follows:
In real-world application development, we sometimes need to set the activity to a full screen display, in general, there are two ways to set the Full-screen display effect
();
To determine if the captured action is lifted, set the release point x coordinate EndX}else if (event.getaction () ==motionevent.action_up) {endx=event.getx (); Slide the screen from right to left, the X value decreases, and the pictureFrom the right side of the screen into the screen if (STARTXGT;ENDX) {//Out animation into pairs vf.setinanimation (th
Li huaming himiOriginal, reprinted must be explicitly noted:Reprinted from[Heimi gamedev block]Link: http://www.himigame.com/android-game/336.html
Many kids shoes say that after my code is run, clicking home or back will cause a program exception. If you have encountered this, you certainly haven't carefully read the himi blog, in article 19th, himi specifically wrote about the causes and solutions of these errors. I have added my remarks on this blog
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