Recently, I have been studying the system source code of android2.2. Due to the project requirements, a project requirement is to enable the appwidget to be automatically added to the home screen after it is started.
Now, I am done. Let's talk about my practices.
I modified the theme source code of lanucher2. In fact, it is quite simple to think about it. First, put the APK package of the appwidget you want
Here is a tool--[email protected], used to get the phone screen, displayed on the PC screen. It integrates, video and other functions in one.Installation
1.: http://droid-at-screen.org/download.html, after download is a jar package, put in a directory can.2. Install JDK6 or later3. Install the android SDK (download a full package from the
Li huaming himiOriginal, reprinted must be explicitly noted:
Reprinted from[Heimi gamedev block]Link: http://www.himigame.com/android-game/337.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 th
statusbarview, no response is returned when mservice. mservice. mtracking is true. Mservice is a statusbarservice object. The three keys are also hidden using broadcast, but the intent is sent by statusbarservie. It is displayed when mexpandedvisible = false and hidden when mexpandedvisible = true.
At the same time, we have completed the highlight chart change operation, which is also done by broadcast. The process is the same as that of action_down and action_up.
4. Adjust the height of the st
[Android] Lock screen, android lock screen
Recently, I have been playing with a lot of fun and have not written many things. Today, I will simply add a simple article. This is a design recently involved in locking the screen of an Androi
returned when mservice. mservice. mtracking is true. Mservice is a statusbarservice object. The three keys are also hidden using broadcast, but the intent is sent by statusbarservie. It is displayed when mexpandedvisible = false and hidden when mexpandedvisible = true.
At the same time, we have completed the highlight chart change operation, which is also done by broadcast. The process is the same as that of action_down and action_up.
4. Adjust the height of the status bar
If you want to displ
Android FFmpeg compilation, you must download and install the Android NDK, and you must also update the FFmpeg library before you start compiling.Androidusbcamera.The Android USB camera is a client software that can be used on a Linux computer directly as a camera on an Android phone. install the USB driver on your ph
From http://www.eoeandroid.com/thread-109270-1-1.html
You have read many articles about the general method to block the Home key. To sum up, let's first talk about the screen button and Home Key of the activity.
Shield other keys and override onkeydown
Java code:
@ Override
Public Boolean onkeydown (INT keycode, keyevent event ){
Log. I (TAG, "keycode =" + k
original screen lock was missing, and the phone inside the data without any damage.
Method two, double wipe/Shuangqing, and restores the factory setting effect quite
If you do not have any important files on your phone, you can take this approach, basically all Android phones are suitable for this method, before the operation of the best mobile card and memory card, the operation steps are:
The cell pho
all know that the smartphone battery problem is a mishap, every day a charge, there is wood?) Other people say that the man who uses the Android phone is a good family man because he has to go home to recharge every night. ^^).
Okay, okay, no gossip, go on.
How do you use this wakelock? We can write this:
PowerManager pm = (powermanager) getsystemservice (context.power_service);
Powermanager.wak
test has not encountered any problem for so long: (recommended)
Solution 1: This method is widely seen on the Internet, but there are two problems on our platform, but some platforms will be good. We do not recommend using this method:(1) only one side is unlocked when the screen is portrait, as shown in;
(2) When you press home for a long time, the program is opened recently and the
Objective
I believe a lot of Android developers have encountered this requirement:
1. Implementation of a splash interface, the interface has application-related background picture and a Start button.2. Click on the button to enter the home page, the user then open the application will not show this splash interface.
Also believe that a lot of students have encountered such confusion:• The second entry i
Recently, I often hear from Members that the Android mobile phones, such as Motorola milestones, do not respond to touch and screen failures. In this case, do not panic. In fact, this phenomenon is normal on the touch screen mobile phones. This requires us to pay more attention to maintenance and maintenance when using touch
Android listens to Home key messages through Intent. ACTION_CLOSE_SYSTEM_DIALOGS
Android processes messages with four buttons at the bottom of the screen differently:
1. The search button message is received in onKeyDown or onKeyUp;
2. The menu button message is received in the onCreateOptionsMenu, onKeyDown, or onKeyU
software architecture is based on dual-system architecture.Basic: googletv Android system + DTV system. DTV systems are developed by TV system manufacturers and generally choose to reuse existing DTV systems. The googletv system module focuses on WebTV functions and adds control modules for communication with DTV systems.
Although Google TV is based on Android, Google has made a lot of TV applicationsUsed
Android is inconsistent with the four key message processing that is often used at the bottom of the screen:1, the Search button message is received in onkeydown or onkeyup;2. The message of the menu key is received in Oncreateoptionsmenu, onkeydown or OnKeyUp method;3. Messages that return keystrokes can be received in the onbackpressed, onkeydown, or onkeyup methods. @Override public boolean onKeyDown (in
Android is inconsistent with the four key message processing that is commonly used at the bottom of the screen:1, the Search button message is received in onkeydown or onkeyup;2. The message of the menu key is received in Oncreateoptionsmenu, onkeydown or OnKeyUp method;3. Messages that return keystrokes can be received in the onbackpressed, onkeydown, or onkeyup methods. @Override public boolean onKeyDown
MainActivity is as follows:
Package cc. testhome; import cc. testhome. homeKeyObserver. onHomeKeyListener; import cc. testhome. powerKeyObserver. onPowerKeyListener; import android. OS. bundle; import android. app. activity;/*** Demo Description: * use the Home Key press and long press the Home Key of the broadcast lis
to disable the HOME Key in android403?
The home key is a reserved key and cannot be controlled by the app.How does android40 shield the home Key?
This can be blocked. I have been engaged in the development of the screen lock software for android phones. In version 2.2 and 2
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