://developer.android.com/resources/dashboard/screens.html) 3 shows, the current is mainly to the resolution of 800*480 and 854*480 mobile phone users mostly
Figure 3
From the above screen size distribution, we can only consider mobile phones with a density of 1 and 1.5 between 3-inches.
4. uidesign
From the perspective of development, the application provides three sets of UI layout files based on the screen of three types of
Not long ago, when Google launched its new Android system, it did not brag or even dull. Why is that? The reason: Google Play services (Google Play service). Back in September 2012, Google launched a program for Play store. It allows businesses to add new functionality to users of Andorid 2.2 and above without having to completely upgrade the OS. This program is
1. The starting point for all processes is to start by pressing the dialing key after dialing, the code for this step is/android sourcecode/packages/contacts/src/com/android/contacts/ In the Twelvekeydialer.java file for the directory, the relevant code is as follows:
Copy Code code as follows:
Dialbuttonpressed () {
.........
Final String number = Mdigits.gettext (). toString ();
Star
The 1.android coordinate system defines the x, y z axes.
The direction of the x-axis is the horizontal direction of the screen from left to right, if the cell phone is not a square, the shorter side needs to be placed horizontally, the longer side needs to be placed vertically.
The y-axis is directed from the bottom left corner of the screen to the top of the screen along the vertical direction of the scr
This year, Google launched Android Auto, a car Android, designed to provide entertainment, navigation, and other functions. Android Auto, however, is not the end point, and now news reports that Google is developing a vehicle-mounted Android system that can completely replace the bottom-line control system of the car,
more and more Android apps are now using their mobile phone numbers to sign up and get their phone verification code to complete their registration. There are many applications to provide phone address Book backup function, get your permission to save your phone number in th
. The new generation of the Blue 2 more is to make up for the previous generation of imperfections, the appearance of the largest change is the use of the waist round metal mback key, in addition, Compared to the previous generation of fuselage thickness of the 0.2mm, the fuselage has been strengthened in the feel, plus the price is still cheaper than the previous generation 100 yuan, is definitely a low-cost value of smartphones.
the application for the original measurement, WP patch form of the interface more intuitive, and easy to operate. Although the structure is fixed, it has a custom feature in the areas of wallpaper, theme matching, and placement adjustment. Moreover, not only the software can ping directly to the main interface, part of the software can be, such as QQ can be a friend to the main interface, which is also a kind of innovation.
In the final analysis, the interface is beautiful or not, in fact, the
ClickShake () {mVibrator01 = (Vibrator) getApplication (). getSystemService (Service. VIBRATOR_SERVICE); mVibrator01.vibrate (new long [] {, 10,},-1); // you can customize the entire building mode, shake only once} // judge the size public int Max (int a, int B) {if (a> B) return a; return B ;}}
Add unityActivity so that MainActivity inherits UnityPlayerActivity and delete the SetContentView function (otherwise, only HelloWorld is displayed when the
= new Intent (action);
list
Method Two:
public boolean isintentavailable (Intent Intent) {
final Packagemanager Packagemanager = This.getpackagemanager ();
list
Then do the appropriate operation, if not installed, using intent to boot the user to the Android Market to download the program, such as installed then open the program, and pass parameters and call its function.
Her
on my mobile phone and the version is 3.0.7.
I also installed a re manager.
First, open the re manager. At this time, the Re manager Requests the root permission. The superuser will pop up a prompt asking whether the user permits
Before clicking "allow", select "remember" and then allow.
This step is used to obtain the data that should be inserted in the superuser database when the application obtains permanent root permission.
Then we export the d
Mobile Phone Positioning for Android Development
Mobile Phone Positioning is based on three methods: 1. Network Positioning; 2. base station positioning; 3. GPS Positioning
1. Network Positioning
The premise is that the network must be connected: Wifi, 3G, 2G
Obtained IP AddressFor example, QQ of Rainbow edition and QQ of coral insects edition have a function to
I have always been curious about the calls between mobile phones. I can call two mobile phones together. Today I can implement this small function. Otherwise, how can I study my Android mobile phone?
The Android mobile phone simulator comes with the dialing function. Let's first try the built-in dialing function. We s
Android content:
Why is the webpage view of Android displayed on a black screen?
In Android, how does one handle changes in the screen direction when the progress dialog box and background thread activity?
How does Android call oncreat () multiple times in an activity ()
How does
The previous article introduced three methods of phone pairing connection. This article describes how to search for Bluetooth devices and actively pair and connect to them using a complete code example.
Package jason.com; import java. io. IOException; import java. lang. reflect. method; import java. util. arrayList; import java. util. list; import java. util. UUID; import android. app. activity; import
Address: http://lisaguo.iteye.com/blog/920065
Android phone analysis (1)Android's radio interface layer (RIL) provides an abstraction layer between the telephone service and the radio hardware.Radio interface layer RIL (radio interface layer) is responsible for reliable data transmission, at command transmission, and Response Parsing. The application processor communicates with the wireless communication
This example analyzes the use of Phone Dialer developed by Android. Share to everyone for your reference, specific as follows:
1. Create a new Android project called Javacallphone, and build a Callphoneactivity.java class under Cn.csdn.hr.activity package
2. Open the layout under the Res main.xml layout, set the la
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