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system memory sizearrayofstring= Str2.split ("\\s+"); for(String num:arrayofstring) {log.i (str2, Num+ "\ T");} Initial_memory= Integer.valueof (Arrayofstring[1]). Intvalue () * 1024;//gets the total system memory, in kilobytes, multiplied by 1024 to bytelocalbufferedreader.close ();} Catch(IOException e) {}returnFormatter.formatfilesize (Getbasecontext (), initial_memory);//byte converted to KB or MB, memory size normalized}/**Called when the activity is first created.*/@Override Public voidon
network type is EVDO0int network_type_evdo_a network type is EVDOAint NETWORK_TYPE_GPRS network type is GPRSint NETWORK_TYPE_HSDPA network type is HSDPAint NETWORK_TYPE_HSPA network type is HSPAint Network_type_hsupa network type is HSUPAint NETWORK_TYPE_UMTS network type is UMTSIn China, Unicom's 3G is UMTS or HSDPA, mobile and Unicom 2G for GPRS or EGDE, telecom 2G for CDMA, telecom 3G for EVDOThree, the type of mobile phone formatGet
1. Terminology and concepts
Terms
Description
Note
Screen size
Refers to the actual physical size of the phone, such as the usual 2.8-inch, 3.2-inch, 3.5-inch, 3.7-inch
Motorola milestone phone is 3.7 inches
Aspect Ratio (width/height ratio)
Refers to the actual physical dimensions of the width-to-height ratio, divided into long and nolong
the right bottom of the cell phone that is placed horizontally. The x direction is the horizontal direction of the phone, rightThe y direction is the horizontal vertical direction of the cell phone, the front is positiveThe y direction is the
The effect diagram looks like this:
First of all, let's say to realize Android jump to the Address Book realization idea:
1. Click to jump to the Address Book interface
2. Get Address Book name and cell phone number
3. Callback display name and cell phone number
1 fir
", new Onclicklistener () {@Overridepublic void OnClick (Dialoginterface dialog, int which) {try {Different Android version network settings interface The Intent-filetr,action in activity is not the same.Different Android versions of the code are not the same.int androidversion=android.os.build.version.sdk_int;Get the phone manufacturer's name through the code,Di
This section
1. Some traditional methods2. Generate a QR code image from the program code.3. Scan the generated QR code on your mobile phone and convert it to a py script.Preface
Writing scripts on the most mobile phone is a hard task. Although SL4A provides us with the API Quick insertion function, in addition, the elegant Python saves us the trouble of entering semicolons and parentheses, but it does not
As a mobile phone, the most important function is the phone number, text message, and contact. So today I want to share with you the API interface for Android phones, text messages, and contacts.
1. Call record acquisition
List
mRecords=new ArrayList
(); Cursor mCursor=mContext.getContentResolver().query(CallLog.Calls.CONTENT_URI, null,null
If you are still using the original data line when uploading files to your mobile phone, or using Bluetooth for transmission, the data line transmission is not very convenient because it is affected by the line and interface. Data cable connection is used for a long time, which can easily damage the data port of the mobile phone. Bluetooth transmission is relatively troublesome. A computer must have a bluet
TheProgramYou can test the resolution of a personal mobile phone device, which DPI level is used for development reference.
Main. xml
String. xml
JavaCode:
Package COM. shine. android; import android. app. activity; import android. OS. bundle; import android. ut
compatibility issues
: The software does not install properly, or it may be because of a compatibility problem with the Third-party software you have downloaded, it is recommended that you uninstall incompatible software or install a different software version attempt.
The software does not install properly, or it may be because of a compatibility problem with the Third-party software you have downloaded, it is recommended that you uninstall incompatible software or install an addition
In the development of mobile apps, in addition to understanding the API, more important is the screen.
Screen Resolution is an important factor for images. Because the cell phone screen sizes are different, you need to consider this issue during screen layout.
Android can be set to adjust the zoom ratio with the window size, but even so, the mobile
Mobile phone numbers are not available for all. Just a part of it can get. This is due to the fact that the mobile operator does not write data from the mobile phone number to the SIM card. The SIM card only has the unique number, for the network and the device recognition that is the IMSI number, the cell phone signal
Linux under the ADB drive problemLinux under the use of mobile phone USB debugging mode to connect ADB to the Android program debugging, configuration driver without windows to intuitive.The first step is to confirm that the phone is connected to the computer, LSUSB check the device record.[Email protected]:~$ LsusbBus 007 Device 009:id 18d1:4e12Bus 007 Device 00
deploying hardware is high.
Although C2DM services may not be stable in the country or some areas are not available, it is still necessary to introduce the principles of C2DM. However, it is best to use a third-party push service for applications that are used domestically, or to assume a push server.
C2DM and iOS APNs and window phone's MPNs are similar. You will also need to prepare a push server yourself and implement the push of the message through the following steps.
1th: The C2DM serv
Android phone using pattern patterns encryption, if forgotten password or multiple unlock failed, will be Google automatically locked, can not enter the boot home again.
This article is aimed at this situation, research and explore a solution to the specific locking environment and operation steps as follows.
One, the cell
Analysis of COM. Android. Internal. telephony, which is implemented in the Android system.
1. itelephony. aidl
Interface itelephony
/*** Interface used to interact with the phone. Mostly this is used by* Telephonymanager class. A few places are still using this directly.* Please clean them up if possible and use telephonymanager insteadl.
*/
This is an interface
Android Phone Restart method:
1, Millet Mobile phone Restart method:
Press and hold "power button" + "Volume + key" Not put, about 5-10 seconds can restart the phone.
2, Huawei Mobile phone
Long Press the power button, about 10 seconds or so, you can restart the
In general, the Android phone does not have missed calls to the listener, if you want to achieve the processing of missed calls, you need to write their own programs to achieve. The program example described in this paper is the Android implementation to judge the phone missed calls and processing methods. It is mainly
I am using the Samsung i9220 android system 2.3.5The precondition for this information leakage is that the mobile phone has enabled the screen unlocking setting function and is bound to a google account or password protection.By default, you need to enter the unlock password or pattern after the mobile phone locks the screen to enter the mobile phone.Below is my
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