android durable phone

The Android phone's graphics lock includes a 3*3,4*4,5*5 dot matrix that connects several dots sequentially to lock/unlock. Take 3*3 as an example, you need to connect at least 4 points and connect up to 9 points at a minimum. In the process of drawing the graph, each of the 9 points is selected, which in fact represents a single digit selected. When we connect 4 points, the resulting graph also indirectly generates a set of passwords. For example, we

Grab Bag preparation 1. Android phones require root access first. A test method for root access: Install and open the Terminal emulator (available through the Android Market, etc.). In the terminal emulator interface input SU and enter, if the error is not root, if the command prompt from the change # is rooted;2. If the Android

1. Open Installation Permissions Android Phone has a function is to prevent the installation of unofficial applications caused by mobile phone security problems, so the phone will have an unknown source, if we open it can be installed or only the official software installed. Workaround: Allow an "unknown source" ap

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_CHANGED (when the battery power changes), Intent. ACTION_BATTERY_LOW (battery limit reached

-the-middle proxy technology, there is no need for a specific application or device to remotely run a compromised application even if the Android device has a full patch installed. Using static analysis we found that a significant percentage of applications are likely to remain fragile, and we have confirmed that more than half of the applications that have been randomized tested are indeed less resistant.Therefore, we recommend that you do not use an

This article is from http://blog.csdn.net/hellogv/, the citation must be noted!The last time we talked about the communication between the Android phone and the BLE terminal, the most common ble terminal should be the ibeacon base station advocated by Apple. Ibeacon technology is based on BLE, which is characterized by the broadcast of external messages, mobile phones do not need to connect to the Ibeacon b

How to get android mobile phone contacts and display them by letter (3): android contacts If you get the contact Profile and display it: How to obtain bitmap Based on photoId: public static Bitmap getContactPhoto(Context context, long photoId, BitmapFactory.Options options) { if (photoId Add the following to bindView: protected void setContactPhoto(C

This article is from http://blog.csdn.net/hellogv/ , the citation must be noted! The last time we talked about the communication between the Android phone and the BLE terminal, the most common ble terminal should be the ibeacon base station advocated by Apple. Ibeacon technology is based on BLE, which is characterized by the broadcast of external messages, mobile phones do not need to connect to the Ibeacon

Enter a phone number in the text box and click "call. (The correctness of the number is not verified in the small example) 1. Create an android project named "Phone Dialer. Because the new version of ADT supports Chinese projects, you can use Chinese directly. The basic project directory is as follows: 2. Develop the dialing interface. Open the res/layout/activi

I'm swype, slideit, and other brains from high-end Android input keyboards, but today I want to talk about solid keyboards consisting of various touch keys. Yes, it's the kind of physical keyboard. We used these bulky things before, and knocked out the next great masterpiece in a click. I never thought about using this to reply to text messages or emails, but when I decided to go to the cafe next to me and write something seriously, it would be nice t

Unique identification code This is useful in Web applications, such as checking for duplicate registrations.Import Android.provider.Settings.Secure;Private String android_id = secure.getstring (GetContext (). Getcontentresolver (), secure.android_id);We will use the unique identification code of the device more or less in the course of the project, we hope to get a stable and reliable device unique identification code. Today we will cover several ways.1. device_idAssuming we do need to use the i

Set an avatar for Android, take a photo on your phone, or select an image from a local album as the Avatar.?? [Set an avatar for Android, take a photo on your mobile phone, or select an image as an Avatar from a local album] Social apps such as QQ and Weibo usually have the Avatar setting function. There are two ways t

MainActivity is as follows: Copy codeThe Code is as follows: package cn. testgethandsetinfo; Import android. OS. Bundle; Import android. text. TextUtils; Import android. widget. TextView; Import android. app. Activity; Import android. content. Context; Import

Modify the Android device information. for example, change the mobile phone model to the iPhone 7 Gold and local version !. Modify the Android device information. for example, change the mobile phone model to the iPhone 7 Gold and local version! First, you must have the ROOT permission on your mobile

　　WP OK? WindowsPhone and Android phone comparison evaluation Experience WP and Android phone contrast. From the architecture of the system, WP and IOS are closed systems, which are different from Android's openness. Closed systems have no open system convenience in Software installation and file data interchange, so

1. The starting point for all processes is to start by pressing the dialing key after dialing, the code for this step is/android sourcecode/packages/contacts/src/com/android/contacts/ In the Twelvekeydialer.java file for the directory, the relevant code is as follows: Copy Code code as follows: Dialbuttonpressed () { ......... Final String number = Mdigits.gettext (). toString (); Star

I have always been curious about the calls between mobile phones. I can call two mobile phones together. Today I can implement this small function. Otherwise, how can I study my Android mobile phone? The Android mobile phone simulator comes with the dialing function. Let's first try the built-in dialing function. We s

Android content: Why is the webpage view of Android displayed on a black screen? In Android, how does one handle changes in the screen direction when the progress dialog box and background thread activity? How does Android call oncreat () multiple times in an activity () How does