Below I from the perspective of Android development, simply write how to get mobile device information and mobile phone numberPreparation conditions: An Android phone, mobile SIM card to ensure plug-in phone, Eclipse ADT and ANDROID
1. The most common is that the unknown software installation failed.
Unknown source, if not open we can only install the Android Market download software, if we download from the Internet can not be installed, the unknown source open method is selected in the mobile phone security settings.
Workaround: Set installation permissions (figure)
2, the installation software prompts insufficient memory
This
device on the hand of the USB ID is not in the above list.The workaround is that you can use the LSUSB command to view your USB ID[Email protected]:~$ LsusbBus 002 Device 003:id 413c:2003 Dell Computer Corp. KeyboardBus 002 Device 002:id 0461:4d22 Primax Electronics, LTDBus 002 Device 001:id 1d6b:0001 Linux Foundation 1.1 root HubBus 001 Device 010:id 18a1:0002Bus 001 Device 001:id 1d6b:0002 Linux Foundation 2.0 root Hub Locate the ID 18a1 above and
Using the Millet number attribution database, there are two tables Data1 and DATA2
First inquires the Data1 table, the cell phone number intercepts the first 7 digits
Select Outkey from data1 where id= "top seven cell phone numbers"
And then query the Data2 table,
Select location from data2 where
Android 2.0 System Operation steps
Tip: Restore the factory settings will empty the phone's built-in data, so please back up your personal data in advance.
1. In the "main interface" click the "Application Menu" below to enter the "application list" as shown in Figure 1-1;
Figure 1-1
2. Locate and click "System Settings" in the "Application List", as shown in Figu
Note: You must use this feature to support NFC capabilities for both devices.
1. Under the Standby page, click "Application".
2. Click "Set".
3. Slide up the screen and choose NFC and pay.
4. Click "NFC".
5. Click on the slider on the right side of "off" to show that the "on" representative is open. (The mobile phone also needs to turn on this feature)
6. Click on "
batteries, but it takes a while to develop, every time you see the phone into the pocket before the Press the power button (hanging machine key) can make the phone black screen, there are some Android phone like HTC EVO 4G power button on top of the phone, the method is the
Layout
Five layout, similar to the title bar of the windos window), layout-small (layout with a screen size less than 3 inch), layout-normal (screen size less than 4.5 inch ), layout-large (between 4 inch and 7 inch), layout-xlarge (between 7 and 10 inch)
2) image resources
You need to prepare 5 sets of image resources, including drawable, drawalbe-ldpi, drawable-mdpi, drawable-hdpi, and drawable-xhdpi Based on the dpi value.
Android has an automatic
Android development is simple, whether it's on a real-computer debug or a final release to a real machine, as follows:1. Install USB driveMobile phone to be able to connect with the computer, of course, to drive. The effect is that you plug in the phone and the computer shows that the driver is recognized. Official tutorial for driver installation: http://develop
The Android phone's graphics lock (nine Sudoku) is a 3x3 lattice that connects several dots in order to achieve lock/unlock functions. You need to connect at least 4 points to connect up to 9 points. Online also has the violence deletes the mobile phone graphics lock method, namely directly kills the graphics lock function. This article we look at another way to crack.
Prerequisite:
can not be obtained
OnServiceStateChanged provides the following status changes:
[Java]/*ServiceState. STATE_EMERGENCY_ONLY only for emergency callsServiceState. STATE_IN_SERVICE signal normalServiceState. STATE_OUT_OF_SERVICE is not in the service areaServiceState. STATE_POWER_OFF Power Failure*/
The following are examples:
1. Add a 3G icon and text (activity_g3_example.xml) to the layout file)
[Html]Xmlns: tools = "http://schemas.android.com/tools"Android
achieve, not only need the serial port, but also usually need a universal input and output control line (General Purpose INPUT/OUTPU, GPIO), to coordinate the power management between AP and BP and so on. When the phone is idle, both the AP and the BP part are asleep in order to save power. When making a call, the AP wakes up BP via a gpio and sends the AT command through the serial port to BP. When there is an incoming call, BP also wakes the AP via
Principle Overview:
The acquisition of cell phone battery power is also frequently used in application development. In Android systems, messages that change cell phone battery power are broadcast using Intent, and commonly used Intent actions include Intent. ACTION_BATTERY_C
1. Terminology and concepts
Android Phone UI Design resolution Basics
Screen size (on-screen dimensions)
Refers to the actual physical size of the phone, such as 2.8-inch, 3.2-inch, 3.5-inch, 3.7-inch
Motorola Milestone mobile phone is 3.7 inches
Aspect Ratio (Wide-high ratio)
Refers to the actual phy
because you are using a computer connected to the USB interface wiring or chassis front USB interface, try to test the rear of the chassis USB interface.
7. Mobile phone connection to the computer, the choice of "data storage" phone will prompt "another program is in use."Reason: This is because your phone uses the memory card's theme or ringtone, the solution
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 s
technology in Android mobile phones and other mobile applications are less likely to be mainly in the following points:1) Tariff: The mobile end of the previous years, is a large number of 3G, 4G of the Internet mode, this mode of user tariffs are relatively high, you let users through peer-to upload to others, users will scold Si people. And many of these years are unlimited traffic, and WiFi network is also more up, so in recent years, peer in the
Android development is simple, whether it's on a real-computer debug or a final release to a real machine, as follows:1. Install USB driveMobile phone to be able to connect with the computer, of course, to drive. The effect is that you plug in the phone and the computer shows that the driver is recognized. Official tutorial for driver installation: http://develop
Next, let's talk about Android in the process of growth. This article describes the features of Android platforms different from those of other touch-screen mobile phone systems and desktop systems. These features require more performance in our developed applications, this is an Android app. These features may be diff
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