To clarify the advantages of MTK in the business model, as well as Android for the future of the MTK mobile phone development will have any impact, first of all to understand the mobile phone from the design, development to production of the entire process. Let's take a look at the cell
, telephonypackage of Telephonymanager class of Getdeviceid () methodGet Imsi/imei (Unique identification ID for SIM and phone)Learning content: You will learn how to read the IMSI (International Mobile User ID) and IMEI (International Mobile Device ID) of the SIM card in your phone. The IMSI corresponds to the sim only, and the IMEI corresponds to the device only.Possible applications: You may need a uniqu
, you can east point, a little bit, very flexible, we imagine a hand holding a cell phone, can east point a bit, West pastry, very troublesome. So the operating button as close as possible, convenient one-handed operation.5. Reports and iconsBecause it is for enterprise customers to develop mobile clients, all the requirements of the report and chart, not to be avoided, for the report, you must consider pag
) wvga854* (480x854)
Table 1
3.3 Mobile phone size distribution (http://developer.android.com/resources/dashboard/screens.html), as shown in Figure 3, is currently mainly based on the resolution of 800*480 and 854* 480 of mobile phone users are mostly
Figure 3
From the above screen size distribution, in fact, the mobile phone only consid
This article is from the android bus Development Network
New concepts of Android phonesOperating System Selection-customization and long tail# Refactoring�� MVC and Web APP ArchitectureAndroid development backgroundThe development of computing and wireless access technologies enables embedded systems to support conventional desktop services.Google's long-standing mobile development strategy: by partnering w
Button used to trigger the event and the other is the Textview used to receive the result. Code:
[Java]Xmlns: tools = "http://schemas.android.com/tools"Android: layout_width = "match_parent"Android: layout_height = "match_parent"Android: paddingBottom = "@ dimen/activity_vertical_margin"Android: paddingLeft = "@ dimen
Remove Android Phone lock screen password or nine Sudoku Lock screen password method There are two main types, which are as follows:
Method One: Enter the cell phone recovery mode, clear the data to restore the factory setting. This method will be the mobile phone back
-of course, developers can also manually adjust the application layout. The point is that if the circular interface only changes the outer frame of the square interface, this effect will certainly not satisfy us. As the first stop in the Android Wear experience, we use lg g Watch with a square screen), but the round smart Watch product will definitely appear on the market.
Supporting applications
Initial s
Linux under the ADB drive problemLinux under the use of mobile phone USB debugging mode to connect ADB to the Android program debugging, configuration driver without windows to intuitive.The first step is to confirm that the phone is connected to the computer, LSUSB check the device record.[Email protected]:~$ LsusbBus 007 Device 009:id 18d1:4e12Bus 007 Device 00
extrapolate, to expand. Of course, we can also read "/proc/cupinfo" to obtain the Android phone CPU parameters, by reading "/proc/stat" file to calculate the CPU usage, here no longer repeat.
The second method: The hand uses the Java reflection mechanism to obtain some information about the cell phone's memory.
The public class Getfreemem extends activity
This article describes the Android program to achieve mobile phone camera method. Share to everyone for your reference, specific as follows:
Today I got almost a day of cell phone photos, and later, to think, and now do not know what they know is right, first of all, if the use of this way to take pictures, the progra
than half the width of the cell, the last cell is stripped and the width is divided and added to each of the other cellsColCount = screenwidth/width; Space= width-space; Width= width + Space/ColCount; }Else{//when the extra width is less than half the width of the cell, the extra width is divided evenly, and each cell
First of all, we found that most of the Android smartphones we use now have the power button to hang up when you're on the phone, usually in the setup.
I mainly in the original source code to add this function, mainly for learning .... First look at a picture:
See that press the power button to hang up the phone, that is what I added, originally source code is
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ma, some even close to 5000 ma, is the iphone 5s twice times to three times times, but its endurance is still a day, What's the problem?Increasing battery capacity alone is unlikely to solve the life of Android smartphones, and even if the battery material is revolutionized, new high-capacity batteries may not solve the current problems.We need to review the time of the function machine, when the cell
for page adaptation in encoding. 1. In the xml layout, try to use weight Values for balanced distribution, and use less fixed values to define the container or control size. Fill_parent is recommended for containers. If the control or container cannot use a fixed value, use a fixed value. Generally, mobile phones do not look like this. If a sample is displayed, you must go to values, values-ldpi, values-mdpi, values-hdpi, and values-xhdpi, define a variable in the diamen file of the folder base
When the android mobile phone rotates the screen, the number of columns in the GridView and the column width are adaptive. androidgridview
I accidentally opened the code of an android application that I had done a year ago. I can see a small Function Point (such as a question) in it. I am writing an article to take a note. At that time, the problem was that when
Recently to be in the running to find a job, inevitably in the interview process encountered such a problem, remember the most clearly in the interview process was asked, when the mobile phone in a weak network state, how to deal with, how to monitor the network signal intensity changes. But it was so, the answer was messy, the idea was not clear at all. Today's small knitting here to lead you to understand the mobile
This article is an example of Android to check whether the phone and wireless connection to the implementation code, share for everyone to reference. The specific methods are as follows:
Method One:
The main functional code is as follows:
Copy Code code as follows:
Connectivitymanager manager = (Connectivitymanager) getsystemservice (Context.connectivity_service);
Networkinfo info = Mana
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