Discover hottest new android phones, include the articles, news, trends, analysis and practical advice about hottest new android phones on alibabacloud.com
= Sf.getblockcount ();Back to SD card sizereturn allblocks * blockSize; Unit byteReturn (Allblocks * blockSize)/1024; Units kbReturn (Allblocks * blockSize)/1024/1024;}/*** Determine if the current memory card is available* @param mcontext* @return*/public static Final Boolean isexist (String sdpath) {arraylistfor (int i = 0; i if (List.contains (Sdpath)) {return true;}}return false;}}the method of obtaining the external SD card (TF card) of Android
?
Other mobile phones may be powerless, but powerful android phones can share files with computers through WIFI. android phones have WIFI functions, and most laptops and computers now have self-carried WIFI functions, wifi is fast and easy to use.
Let's talk about how to sha
SPADE, a backdoor control tool for Android phones, can be used by security researchers to understand and explore the fundamentals of the Android Backdoor.First, we download the apk file from the website www.apk4fun.com, such as CCleaner. Then we install the spade
git clone https://github.com/suraj-root/spade.git
After that, use the following command to st
Summary on setting up data synchronization between mobile phones and watches in Android
Summary of Android Wear Data Synchronization Mechanism
After a Bluetooth connection is established between the mobile phone and the watch, data can be transmitted through Google Play Service.
Data Item
DataItem provides automatic synchronization between mobile phone and watch
If you don't pay a ransom, you will be taken public on the Internet: Koler, The ransomware on Android phones.
This is a new mobile phone ransomware in Canada. When a mobile phone user visits an adult website, the malware is infected and ransomware. Hold down the shame of the victims. Hackers will threaten you to pay a ransom. Otherwise, they will lock your mobile
-android.tar.gz | TAR-ZXF-DetailsVim is built using NDK. This means it doesn ' t link statically to libc or any libraries that is already present. The only library it had built-in is ncurses.All vim-specific files is placed In/data/local/usr/share. It's equipped in syntax highlighting for VIM and shell files and some scripts I found in Ubuntu ' s vim distribution. More scripts can installed To/data/local/usr/share/vim. The default VIMRC file can also is found in that directory. The package also
Android custom View to display the upload progress of images (similar to the QQ upload result of mobile phones)
First, let's take a look at the effect we want to achieve (the effect when sending images in QQ chat ):
Let's take a look at my implementation results:
1. The effect has been seen. Let's implement it. First, I create an android project ProgressImageV
Have done before a customer apk process open Cap_net_raw permissions, in order to customers can use their own method to crawl TCP/IP packets, the Android Fork has some understandingFirst this apk process is zygote fork, the permissions of the zygote process contain cap_net_raw, but the fork after the Android APK permission did a rewrite through Setcapabilities (), You only need to add this cap_net_raw permi
Use ADB forword to communicate with Android mobile phones
The server code is as follows:
import java.io.IOException;import java.io.ObjectOutputStream;import java.net.Socket;import java.net.UnknownHostException;import java.util.Scanner;public class Server {public static final String TAG = "server";public static int PC_LOCAL_PORT = 22222;public static int PHONE_PORT = 22222;public static String ADB_PATH = "ad
In the Android system, the Master Key vulnerability is the most common one. Hackers can use this vulnerability to remotely control users' Android systems and their devices. In previous versions of Android, the Master Key vulnerability has appeared. Now, a new variant vulnerability appears in the latest
Summary of reading and writing methods for files in the memory of Android phones
Summary of reading and writing methods for files in the memory of Android phones
This article describes how to read and write files in the memory of Android
Android provides the audiorecord and mediarecorder functions for recording. audiorecord is an audio stream that reads MIC data and can analyze stream data while recording; mediarecorder can directly store the MIC data to a file and encode the data (such as AMR and MP3 ).
First, add your application to the permission (whether you are using audiorecord or mediarecorder ):
Then, we will introduce the usage of the two separately.
《! -- Audiorecord --"
1.
1, too much cache dataEnter Settings--Program management (or applications)--all--find the problematic application, erase data, or cache. And then into the application.Note: Clearing the data will erase the application's personal settings, account information, and so on.
2. Too many running programsMobile background program too much memory, resulting in the application of the flash-back. Some mobile phones because of the hardware limit will be due to
from Google's successful experience. He said: "The Price of Ubuntu mobile phones is between $200 and $400, which is a mid-range product. Android was initially not designed and built for your personal computer. Although we started a little late, this has also become a huge advantage for us, so that we can have enough experience to learn from before doing a thing, and then firmly walk out of our own path."
and sends the message to the server, which is then encapsulated to send the messages to ClientSocket2.3. Realization of two mobile-phone communication clientsClient run ( Note: Here is an entire picture, which is an image ):The above-mentioned operation results in the communication of two Android machines. Two clients are assigned IDs 0 and 1, respectively. You need to specify the arrival party of the message when you send the message.3.1 Client Send
screen status broadcast receiver */private void startScreenBroadcastReceiver () {IntentFilter filter = new IntentFilter (); filter. addAction (Intent. ACTION_SCREEN_ON); filter. addAction (Intent. ACTION_SCREEN_OFF); filter. addAction (Intent. ACTION_USER_PRESENT); mContext. registerReceiver (mScreenReceiver, filter );}
Because the user can set whether the screen is locked after it is disabled, we cannot track the unlock event to determine its statu
Exercise caution when developing a UDP data transmission system between Android phones
TIPS:1. The communication between mobile UDP and a fixed IP is not a big problem, but it may also cause a slight packet loss. The problem cannot be found here. Do you think there are special considerations for UDP implementation at the android network layer.2. UDP communication
Explanation of automatic answering and hanging up for Android phones
1. Call up through aidl and reflectionThere are three steps:
(1) ITelephony. aidl. You must create a new com. android. internal. telephony package and put it into ITelephony. aidl file (after construction, there is ITelephony under gen. java file, whi
Recently did not want to take two mobile phones, then the old phone on the small call all transferred to the new phone. Can solve the problem of the old mobile phone function is too weak, there is no inconvenience with two mobile phones, although it is a little more to cut the telephone fee, use up or very convenient. But because the trumpet on its own phone is v
Android phones have long occupied the majority of the smartphone market, the Android system due to his open source and other open features will appear some technical problems, the following system home to tell you most of the Android phone troubleshooting solutions.one, unable to send short message reason analysis:1, t
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.