void OnClick (View v) {
//Get Bluetoothadapter object, this API is supported by Android 2.0
Bluetoothadapter adapter = Bluetoothadapter.getdefaultadapter ();
//adapter is not equal to NULL, indicating that this machine has a Bluetooth device
if (adapter! = null) {
System.out.println ("This machine has Bluetooth device!");
//If the Bluetooth device is not turned on
if (!adapter.isenabled ()) {
Intent Intent = new Intent (bluetoothad
1. What is Bluetooth )?
1.1 buletooth is the most widely used wireless communication protocol.
1.2 mainly for short-range device communication (10 m)
1.3 is usually used to connect headphones, mouse, and mobile communication devices.
2. Bluetooth-related APIs
2.1 define thadapter:
Represents the local Bluetooth adapter
2.2 define thdevice
Represents a remote Bluetooth device
3. Scan the paired blueto
1. Modify the visibility of the local Bluetooth device
2. Scan the available Bluetooth devices around
Eg:
I. configuration file adroidmanifest. xml:
Ii. layout file: Main. xml:
3. mainactivity:
Import android. app. activity; import android. bluetooth. export thadapter; import
*/ @Override public void onScanSuccess(String barcode) { //TODO 显示扫描内容 }Detailed code See: Https://github.com/czhzero/scangonNote the point:1. Some models cannot determine the external keyboard information, such as Samsung.private void hasScanGun() { Configuration cfg = getResources().getConfiguration(); return cfg.keyboard != Configuration.KEYBOARD_NOKEYS;}Samsung mobile Cfg.keyboard The return value is equal to Configuration.keyboard_nokeys.Therefore, for better comp
want such doubts to persist, so that they can only passively scan the virus through the mobile phone anti-virus software that has sprung up recently. What consumers expect is, is the active role of relevant vendors to eliminate these security concerns. Therefore, how to identify problems to enhance the missing Android
With the rapid arrival of the 3G era, the mobile business era with mobile phones as the carrier is about to begin. Mobile phones are gradually evolving from voice and information communication terminals to personal information business terminals. Therefore, mobile phones play an increasingly important role in people's daily lives, at the same time, many potential threats also emerge. In recent years, with the rapid development of the mobile communication industry, "
Android Support library for scanning and identifying barcodesAndroid supports scanning barcodes. But there's no real machine in hand, and I can't understand whether the feature is an application or an API-calling feature. But find a free Open-source Android library that handles barcodes on the Internet. See:Http://code.google.com/p/zxingCan be installed on Android
How does android modify the maximum number of Bluetooth search devices?
In this file, modify the following parameters of the function:
Bool btmtk_gap_discovery (native_data_t * nat, btbm_discovery_type mode){...Req_p-> inquiry_number = 25; // the number can be modify less than 25
Android Bluetooth development issues, automatically scans for code of other Bluet
The most important part of a antivirus software package is the virus database and the virus engine. The virus database is obtained from the server. the antivirus engine is used to determine whether the package name and signature in the program match the package name and signature in the virus database, if the match is
logic in the specified coordinate is clicked each time, which is about the top-down position in the middle of the screen.
The input command is used for viruses. Normally, Android devices will basically prefabricate the input tool. This tool is mainly used to help developers perform automated testing.
Normally, you can run this command under the permission of the root user or shell user or the permission
Jinshan mobile Phone Poison PA released today's Android mobile phone security report, daily monitoring of 15,000 Android devices are infected with the virus. The first is the cottage phone, parallel imports of mobile phones and third-party ROM packets of mobile phones, virus
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