need to defrag android phone

Normally, when 3G and WiFi are on, Android uses Wi-Fi by default, but it is not possible to have WiFi everywhere in the real world, so the phone will often automatically switch networks.Sometimes, when the phone starts using WiFi, it will automatically switch from WiFi to 3G network 10-30 minutes after it enters standby.If you write a network program, the effect

The RE file manager must be installed we need to install a re file manager on the Android phone before we can view the WiFi password. 1. Mobile phone installation re File manager 2. Then we open the phone in the "RE File Manager" below 3. Find/data/misc/wifi in the RE man

In Android development, it is the most basic requirement that a user can make a call. As the saying goes, "All roads lead to Rome," the way to achieve a number of calls, today, to provide the most commonly used two kinds. First of all, call, for the user, is a cost of operation, therefore, the need for certain permissions, that is, Android.permission.CALL_PHONE permissions, we

install the package "Android-sdk_r17-windows.zip" to extract it to the D:program filesandroid-sdk-windows directory. Fourth step: Install an Android ADT Also downloaded from http://developer.android.com for the SDK "Adt-17.0.0.zip" installation package for Windows Eclipse plugin, the latest version may be newer than this one. Cover directly to the root directory of the Eclipse installer

Android how to get phone records, this article for everyone to announce. Get mobile phone call recording process: 1, to obtain contentresolver; Contentresolver resolver = Getcontentresolver (); 2, Resolver.query (*); URI:CallLog.Calls.CONTENT_URI that require incoming call records 3, the query to obtain the cursor data acquisition. The main code is as foll

cool thing about Android is that you can use the dynamic wallpaper feature, but as with widgets it increases power consumption and reduces battery life, and it is recommended that you use static wallpaper. 4. Disable animation effects Some Android devices are built with animation, which in fact affects performance in some way. Some models that adopt a custom interface can turn off the animation effect di

1. We are on the desktop of the computer right click on the desktop "computer/My Computer" and then click "Manage" in the pop-up menu as shown in the picture. 2. Then in the pop-up menu we click "Management" in the "Device Manager" shown in the following image. 3. Then we found "ADB Interface" or "Android Phone" devices in "Device Manager", which are usually shown in the first device. If the driver is

wrote a class implementation to get the carrier Layout file: SIMCardInfo. java: /*** @ Author yazhizhao * 20142014-10-22 9:13:04 */package com. example. android_sms; import android. content. context; import android. telephony. telephonyManager; import android. util. log;/*** @ author yazhizhao 9:13:04 */public class SIMCardInfo {/*** TelephonyManager provi

Android determines whether the mobile phone is root, android determines root How to determine whether the mobile phone is root. If the app requires the root permission for some special features, you need to determine whether the app is root. For example, apps are automatical

Android BLE development-Android mobile phone and BLE terminal first recognized, androidble Bluetooth BLE official Demo: http://download.csdn.net/detail/lqw770737185/8116019Refer to blog address: http://www.eoeandroid.com/thread-563868-1-1.html? _ Dsign = 843d16d6 Device: One MX5 mobile phone and one pesticide residue

unless you end with a task manager with root permissions. Of course, all of the above experiments are conducted when the memory is sufficient. Although the program will not exit, the system will still be exited when the memory is cleared. Because Google does not provide the exit function, it is obvious that Google wants us to know that you don't have to take the initiative to exit the program. I will help you exit when necessary. For PC programmers who are used to exiting, this is really unreas

Sometimes it is necessary to display the phone screen to a PC or Mac for the convenience of demonstrating a mobile app. Here's a method-use Vysor to achieve this feature.The appeal of Vysor lies in 3 areas:It works on Windows, Linux, or Mac.The USB cable sharing screen is almost real-time, while some wireless solutions have significant lag. Vysor still has a slight delay, but it's much faster than the wireless way.You can interact with your computer a

Starting point:Traditional game simulators (FC, Neo, FBA, GBA, Mame, n64, NDS, and PSP) are all moved to Android phones, the game Rom is then saved to the SD card and run through the simulator. However, considering that mobile games must follow the fast forward and fast forward principles, I have implemented the following micro-innovations on this basis: 1. directly put the game Rom in the android APK, clic

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

day as if now become a smart phone of the Purdue phenomenon, coupled with the design of the non-replaceable battery, so that the very poor performance of the smart phone as a matter of legitimate, in fact, now the smartphone's battery life to limit the development of mobile phone status.Although the advent of mobile power, it seems to solve the problem of mobile

according to his or her computer. After the above command executes, the screen will be stuck on the current page, please do not repeatedly hit enter to execute . 8, End log print. Mobile app After the operation is complete, you do not need to crawl the Span style= "Font-family:times New Roman" >log at the current cmd command line window, using computer shortcuts ctrl+c end print, output log Note: printing log to the same file mu

people, there are specialized hacker organizations to crack, so ordinary users and developers can be more deep customization of the system, and Windows Phone is not so lucky, up to the free deployment of applications, the system is nothing to change. In this respect, the advantages of Android is obvious, the development of Android applications are completely fre

1. What Android is a software stack for mobile devices,includes a complete operating system, middleware, key applications, the underlying Linux kernel, security management, memory management, process management, power management, hardware drivers2. Dalvik VM and JVM comparisons3 . Common adb directives platform-tools/adb.exeadb.exe:android Debug Bridge Android Debug Bridges adb devices: List so connected de

use Asm.jar to project your Android phone screen to your computerSometimes it may be necessary to project some of the actions on your phone, such as the display of some app demos. In fact, there are specialized hardware equipment capable of this matter, but there is no need to specifically show a demo to spend money to

boxes, and lists, android Layout and Activity are similar to pages in Silverlight. Windows Phone 7 also supports XNA, which allows users to create 2D and 3D games. They are equivalent to the 2D and 3D modes of Android SurfaceView and GLSurfaceView, but unlike Android, XNA Games use Direct3D, making it easier to port P