file sharing apps for android

The previous chapter documented the cross-application launch service, before learning the difference and usage of startservice in Bindservice.Using the Bindservice method, the activity requires the service to return a binder object, so if two applications are implemented, this involves a aidl concept. Aidl (Android Interface Definition Language) is an IDL language used to generate interprocess communication between two processes on

; Resources> Then the face manifest.xml in the reference, this method is slightly more troublesome. android:icon= "@drawable/icon" android:label= "@string/app _name " android:theme=" @style/notitle "> In fact, it can be seen that the second method is essentially the same as the third method, But the second method calls the system-defined Style.xml file, and the third method is to define the Style.xml in its own a

appearance of the CardView: Use the Card_view:cardcornerradius property to set the radius of the fillet in the layout file.Use the Cardview.setradius method to set the radius of the fillet in Java code.Sets the background color of the card, using the card_view:cardbackgroundcolor property. Below is an example of a CardView included in an XML layout file: Card example DiagramCard example DiagramStrumRecyclerview can be seen through the

If the API or APK in the Android system is unable to read or write to the USB device, it may not be possible to add read/write USB permissions, which need to be set as follows:1. In the android.hardware.usb.host.xml file, add the following: name="Android.hardware.usb.host" /> 2. In tablet_core_hardware. Add the following content to the XML file name="And

The meaning of the signature1. to ensure that every application developer is legally2. prevent some malicious tampering by using the same package Name to confuse the replacement of an already installed program. 3. ensure consistency of our release version (e.g. Automatic Updates will not be installed because of inconsistent versions)Here's a look at the specific steps of signing:1. Right click on the project to select Export, pop up the following window2. Select Export

part, translation for animation: Z = elevation + Translationz Shading of views of different heights Set evelation in the layout file android:elevation , using methods in your code View.setElevation() .Set the panning of a view using the View.settranslationz () method. New methods ViewPropertyAnimator.z() and ViewPropertyAnimator.translationZ() can make it easier for you to change the height of the view. For more information, see View

There are several ways to implement multi-language switching for Android applications, and there are a lot of information on the web, and there is a simple and effective way.The steps are as follows:Create a new folder in the resource file Values-en, Create a new Strings.xml, copy the contents of the Strings.xml in the default values folder to Strings.xml in Values-en, and then convert the Chinese content i

Suppose the API or APK in the Android system cannot read and write to the USB device. may not be added to read and write USB permissions, you need to follow such as the following methods to set up:1. Include the following in the android.hardware.usb.host.xml file, for example name="android.hardware.usb.host"/> 2. In tablet_core_hardware. XML file, such

Android-based QQ sharing and precautions: androidqq sharing 1. Obtain APPID and help documentation In the previous section, I introduced the article "Android implementation sharing and precautions" shared in Android to see about Q

Today's many Android game software, game software inserted ads is a game advertising manufacturers an important source of income, this article on the Baidu Alliance advertising as an example, add code method.The first step:Register for the Baidu affiliate account, and download the SDK. Address: The second step, open eclipse, the inside of the jar file into the library. nbsp. Copy the jar package from Baidu

, URI, file, resource ID, and so on. Basically meet most of the needs. Although loading local pictures is not as complex as network pictures, I recommend using glide to load local pictures. Because it is memory friendly, but also "secretly" to help us do a lot of things. For example, memory cache, bitmap multiplexing, fixed photo direction, and so on. Of course, in order to meet a variety of needs, just loading pictures is not enough, you also need to

Your Android project is very powerful, docking a lot of third-party open source libraries, the more complete the project, the more the code hit more and more cool. But suddenly one day the newspaper was abnormal.Error: The number of method references in a. dex file cannot exceed 64K.The compiler reminds you that your project has more than 64k of methods.Androidstudio will remind you:Learn how to resolve the

dynamic shading in Android5.0 (API 21) and later versions, while older versions use traditional shading. Use these properties to customize the appearance of the CardView: Use the Card_view:cardcornerradius property to set the radius of the fillet in the layout file.Use the Cardview.setradius method to set the radius of the fillet in Java code.Sets the background color of the card, using the card_view:cardbackgroundcolor property. The following is an example that contains a cardv

shortcuts Sendbroadcast (_returnintent);Launcheractivity. This. Finish ();}of course, the above to join the call permission :If we want to uninstall the shortcut, we need to add the permission in the layout fileThen the Com.android.launcher.permission.UNINSTALL_SHORTCUT is passed into the intent( two ): use an Activity, and then click on the Home screen menu-> add Select Shortcut - Select the shortcut for the created application , see the following effect : Create the steps below :①: regist

"); FinalUri uri = uri.parse ("http://www.baidu.com"); FinalIntent it =NewIntent (Intent.action_view, URI); No timer, no need, timer timer.=NewTimer (); TimerTask Task=NewTimerTask () {@Override Public voidrun () {startactivity (it);//Execution } }; Timer.schedule (Task,2000);//after 10 seconds } });Androidmanifest.xml fi