android file transfer no android device found

= getactivity ();Viewholder VH = (viewholder) view.gettag ();Deviceadmininfo item = mavailableadmins.get (position);//Show data in MavailableadminsVh.icon.setImageDrawable (Item.loadicon (Activity.getpackagemanager ()));Vh.name.setText (Item.loadlabel (Activity.getpackagemanager ()));Vh.checkbox.setChecked (Mactiveadmins.contains (Item.getcomponent ()));try {Vh.description.setText (Item.loaddescription (Activity.getpackagemanager ()));} catch (Resources.notfoundexception e) {}}} } From the

The Bluetoothkit is a powerful Android Bluetooth communication framework that supports connection communication, Bluetooth broadcast scanning, and beacon resolution for low power Bluetooth devices.For detailed documentation on this project, please follow: https://github.com/dingjikerbo/BluetoothKitFor beginners just contact with Android Bluetooth development, will often encounter some strange pits, I also w

Original: http://blog.csdn.net/johnwcheung/article/details/71576833Android under the device debugging, if the device provides a driver, according to the manufacturer's driver debugging can be, the device does not provide the driver, only in accordance with the common method of debugging.For Smart POS, cash registers, and other printing devices, how can the print

Android Studio official version has been released for some time, using the Mac version of Android Studio may be problematic with Java not found:android Studio is unable to find a valid JVM.To solve this problem:The first thing to determine is that there is no JDK installed on your Mac system, and you can view your JDK version by entering the command java-version on the terminal. If the JDK is not installed,

Android configuration file (1) and android configuration file In AndroidManifest. in the xml file, the Package = "string" Android: sharedUserId = "string" Android: sharedUserLabel =

Android configuration file (1) and android configuration file In AndroidManifest. in the xml file, the Package = "string" Android: sharedUserId = "string" Android: sharedUserLabel =

Sensor temperature" +tempstring); Break; default: Mtvsensor.settext (Mtvsensor.gettext (). toString ()+S.gettype ()+ "Unknown sensor" +tempstring); Break; } }Iv. acquiring storage space for the device//get total device storage space Public Static Longgetsdcardsize () {File path=environment.getexternalstoragedirectory (); StatFs StatFs=NewStatFs (Path.ge

In the setings/about phone of the Android device, the option model number exists, for example: Click "about phone" to view the model number. OK. The summary of model number is the SDK. How does Android determine this value? How can we modify this value? In COM. Android. settings. deviceinfosettings. Java, the cod

The example in this article describes the way Android implements data transfer between activity based on intent. Share to everyone for your reference, specific as follows: Mainactivity: Package Com.test.intentdemo; Import android.app.Activity; Import android.content.Intent; Import Android.net.Uri; Import Android.os.Bundle; Import Android.view.Menu; Import Android.view.View; Import Android.widget.Butto

Use Intent to transfer Java objects between activities in Android projects -- Implement Parcelable InterfaceUsing Intent to implement Java object transfer between activities in Android projects, there are two ways: one is the passed object implements the Serializable interface; the other is the passed object implements

mount path for the USB device on the Android device. Different vendors have different Android device paths. This writing is also suitable for the SD card mount.File path = new file ("/storage/udisk"); Statfs stat = new Statfs

Send NotificationsThis email will discuss how to get the Power status on your Android device and we will use the broadcast to accomplish this goal.What is Broadcastreceiver?A broadcast receiver is an Android component which allows the register for system or application events. All registered receivers for an event is notified by the

Transfer and processing of touch events of Android controls Understanding the touch event transfer and processing of Android controls is of great significance for us to resolve conflicts between custom controls and touch events in our daily development. The following methods are used to pass and process touch events of

USB Master/Slave DeviceAndroid supports a variety of USB peripherals. Android USB peripherals (hardware that implements the Android peripheral Protocol) are supported in two modes: USB Peripheral mode and USB Host Mode. In USB Peripheral mode, the external USB hardware (an external device with Android devices to connec

Android View touch event Transfer Mechanism PS: from the current perspective, you may feel bad about the previous blogs. You may feel the same if you look at the current blog for a while. So I learned to discover and understand new things every moment.Introduction Because the quality of a previously written blog about the sequence of Android event

) { System.out.println ("active use"); Super.onenabled (context, intent); } @Override public void ondisabled (context context, Intent Intent) { System.out.println ("deactivated"); Super.ondisabled (context, intent); } }Define and declare your policy: Declare the selected policy set in Res/xml/lock.xml and it will be enforced by the program. If a program tries to invoke a method that does not have a corresponding policy in XML,This will cause a *

How does the Android project read the JSON string and androidjson string from the local device? If I have such a Demo to write, that is, I already have a JSON string at hand and want to parse it now, how should I store this JSON string in this Android project, to be read successfully. The following three solutions are available for analysis. Assume that the JSON

) Findviewbyid (R.ID.TEXT1); Person person = (person) getintent (). Getserializableextra ("Serializable");if(Person! =NULL) {Edittext1.settext ("id ="+person.getid () +"****"+"The name is:"+person.getname ()); }//Get the object that is passed by getparcelable and display it .EditText2 = (EditText) Findviewbyid (R.ID.TEXT2); Intent Intent2 = Getintent (); Bundle bundle = Intent2.getextras (); Mans man = bundle.getparcelable ("Parcelable");if(Man! =NULL) {Edittext2.settext ("id ="+ma

Gradle DSL method found: ' Android () ' ErrorAs with the last error, this is also because the Android () method has been deprecated in the new version of Gradle, but be aware that Android () It is only discarded in the Build.gradle file under the entire project and still exi

Apply button in the lower right corner. If there is nothing wrong with the settings above, then click "Run" on the interface to see that our program is running normally on Android devices. ================================================================================================= Record the problem: when something is done, there is always a slight deviation, and when I connect the Android