In Android development, sometimes we want to get some hardware information about the phone, such as the total memory and available memory size of the Android phone.
How does this happen?
By reading the file "/proc/meminfo" information can get the total number of mobile phone
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 screen. However, a customer recently asked the mobil
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
Android development can not be without the real machine debugging, the total use of data line Plug and unplug or not convenient and unstable, in fact, the way to achieve WiFi connection to the Android phone.
1. Of course first to open WiFi, mobile phones and computers in the same LAN.
2. Install adbwireless on the phone
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 program in the simulator, just start will be a prob
The Android operating system, now the only new system to be tied to Apple's iOS, has grown so fast that, in addition to its strong Open-source nature, Android has a big advantage over its massive growth of applications. A fun application is to enrich the leisure time of a tool, when we start a new Android phone, slowly
Android Ril-javaRil-java is essentially a RIL agent that plays a forwarding role and is the starting point of the phone system in the Android Java conceptual space. In Ril-d's analysis, we know that Rild set up a listening socket interface, waiting for Ril-java connections. Once the connection is successful, Ril-java can initiate a request, wait for the reply, an
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 Figure 1-2;
Figure 1-2
3.
This article describes how anti-virus software and viruses obtain all notifications in the notification bar and use the information to kill applications.
In the previous article, I used the root permission to perform a silent installation. Some people will say that the APK will be installed. Anyway, my brother has the Kingsoft mobile guard, and my brother has 360 active defense ...... They will send me a notification!
After a new application is installed, the mobile
. Generally speaking, characteristic is the key to exchanging data between mobile phone and ble terminal, characteristic has more fields related to permission, such as permission and property, and the most commonly used is property, The BLE bluetooth module used in this paper has no standard characteristic permission. The characteristic property can set read-write properties by using a combination of bitwise operators, such as read| WRITE, read| write
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
Hello everyone, let's talk about some methods for Android to obtain IP addresses. In our development, we have determined whether the mobile phone is connected to the Internet or whether we want to obtain the IP address of the current mobile phone, of course, the sum of Wi-Fi connections
The IP addresses of our 3g cards are certainly different.
First, I tried the
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 "
similar to the PC industry in the early 90 competition. The PC industry's "arms race" to the end with the emergence of XP system to WINDOWS7 system, the system and the application of hardware demand decline so that the entire industry into an inability to save the status quo, the PC will eventually return to provide more valuable applications and use of innovative scenarios.At the consumer level, the big screen is already a popular trend, even if the upcoming iphone 6 is likely to be difficult
Method One, use 360 handset assistant to carry on the backup with the computer
1. First the computer online and then install 360 mobile phone Assistant in the computer, then the phone to be backed up using the data cable to connect the phone, and then click on the bottom right of the "Data Backup" button below.
2. In 360 we can choose to backup the SMS, address
Android Regular Expression verifies mobile phone numbers, names (including ethnic minorities), ID card numbers, and android Regular Expressions
The new features in recent projects require verification of mobile phone numbers, names, ID card numbers, and other information. The best way is to use regular expressions for
Tag: Code cat code Log Direct err map load ATIThere are many ways to get the package name and version number for other apps on your Android phone, which can be obtained directly from the APK package via AAPT or via code on your phone. Obviously, for the product or user to obtain this information, on the phone to obtain
Android development package the project into an apk, Android to the mobile phone, or submit it to the app Store, androidapk#1. It is easy to export an app using Eclipse. Let's take a look at my steps. Images and truth
Select a project
Create a new one with a random location. The following is the password.
Here are some names, regions, organizations
Android ignores screen unlock protection Interface1 PrincipleAndroid has three screen unlocking protections: Pattern unlocking, PIN password unlocking, and password unlocking. The interface is as follows: Chart 1: Unlock page; Chart 2: PIN password unlock page; Chart 3: Unlock pageWe can use java. lang. object. android. app. keyguardLock, a subclass of KeyguardManger, can control the Disable screen lock int
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