In Android, follow these steps:
A. Obtain the mobile phone vibration service through the system service. Vibrator vibrator = (Vibrator) getSystemService (VIBRATOR_SERVICE );
B. Check whether the vibrator exists after obtaining the vibration service:
Vibrator. hasVibrator ();
Checks whether the current hardware has a vibrator. If yes, true is returned. If no, false is returned.
C. Make appropriate calls
Optimization of mobile phone storage performance and android performance in the android systemI. How is the storage performance enhanced?Ii. Enhanced storage performance: emmc standard evolution optimizes storage performanceIii. Enhanced storage performance: wrapfs replaces fuse to optimize built-in sdcard Performance
Iv. Enhanced storage performance: f2fs repla
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
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 "
This article illustrates how Android is programmed to get the screen resolution size of a mobile phone. Share to everyone for your reference, specific as follows:
Import android.app.Activity;
Import Android.os.Bundle;
Import Android.util.DisplayMetrics;
Import Android.widget.TextView;
public class A03activity extends activity {
private TextView mTextView01;
/** called the activity is a. * *
@Overr
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
Article Description: Cloud view of the world, a touch that is--qq browser (Android) design Road.
After several months and everyone's efforts, mobile phone QQ browser (Android version) from 2.0 gradually updated to 2.6. After a constant attempt at the inscrutable and architecture of the design, a new look has been made, and the experience has improved
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
This article illustrates how Android uses Contentresolver to search for a phone address book. Share to everyone for your reference, specific as follows:
Use Contentresolver in this program to access the Contacts keyword in your address book and deposit all the contacts you find in CursorAdapter. Enter the name of the search person A, will all start with a name will be displayed, input *, then all the names
This article is an example of how Android detects memory cards and the amount of space left in the phone. Share to everyone for your reference, specific as follows:
Android environment can be used to detect whether a phone has a memory card installed and a file storage path. Statfs can get the size of the memory card
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
What do you say if you don't even know this? How thrilling and excited is the photo of the Red-blood warrior, how fragile and small are humans in front of them, and want to eliminate the aliens? You don't have an iron warrior, can you? Yep, you can. If you use an Android phone, OK!
"Alien invasion", pick up a gun to eliminate aliens. Players can use guns and axes as weapons in the game? You don't have to
This article is from the "Java" blog, so be sure to keep this source http://10594050.blog.51cto.com/10584050/1886211Android make phone calls to Android call
Mobile terminals use rem to adapt to Android ios Mobile Phone principles, mobile responsive development, and Android ios
People may already be familiar with the rem unit. rem is a method that shows the width with the html font size. How can we develop the mobile terminal response?
The default font size of the browser is 16 PX and 1rem is 16 PX.
If we want to make
Amazon was also unable to compete in the mobile phone competition last week, releasing its own Fire phone, so the Android family has another variant, and the level of fragmentation of the Android system is further exacerbated. Because of the work, I was fortunate enough to get a project in advance last month, but for p
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