Mobile Develop

The difference between setbackgrounddrawable and SetbackgroundresourceMany users do not know the view class provides setbackgrounddrawable and Setbackgroundresource difference is what, while the Android view class many subclasses such as TextView,

Android:id specify the appropriate ID for the controlANDROID:TEXT Specifies the text that is displayed in the control, it is important to note that the string in the Strings.xml file is used as much as possible.android:gravity Specifies the

After downloading the plugin, run it directly, turn off Xcode after running, and it is completely shut down and then on the linehttp://download.csdn.net/detail/u013243469/8444541How to use:Three consecutive "/", for the comments of the demo is very

Catalogue [-] (1) Dimension layout is ignored after adding headerview. (2) Position shift of onitemclicklistener caused by adding headerview (3) Layoutinflater's Infalte () (1) Dimension layout is ignored after adding

There are two main ways to transfer data between Android phones and computers based on WiFi:One is the implementation of FTP protocol, the Android phone as the data transfer process of the FTP server;One is implemented via the HTTP protocol. The

Look at the calendar today, yo, number No. 2.12, is this not my first job entry time? Unknowingly has been working for a year, that according to the words of "chairman", should be regarded as the level of intermediate developers! In this work of the

1, Nosuchmethod lower version will not be called inside the methodThe first is:This.setbackgrounddrawable ();This is the expiration method, but it is recommended to use it, because after Android 2.3 if you try to use the new API This.setbackground ()

The use of Notification requires importing 3 classesImport Android.app.pendingintent;import Android.app.notificationmanager;import android.app.Notification;Code Examples and DescriptionsNotificationmanager nm =(Notificationmanager) Getsystemservice (

Exception in MessageQueue Callback:handlereceivecallbackReason for the occurrence:A touch-screen event is triggered multiple times, causing too many messages to be processed on the same event, when the first message has been processed and the event

[ERROR] Failed to execute goal Com.jayway.maven.plugins.android.generation2:andOid-maven-plugin:3.3.0:generate-sources (default-generate-sources) on Project LBrary:execution Default-generate-sources of Goal Com.jayway.maven.plugins.andrId.generation2

We use handler in a process, how do we use handler across processes?In fact, this problem is not difficult to solve, self-made to the binder for some encapsulation can be easily implemented. But when you look at the system source code, you will find

1 mobile phone first turn on the USB debugging function2 Connect your Android device with a USB cable and enter Chrome://inspect in the Chrome address bar on your PC or Mac3 tick the screen Discover USB devices until you search for your Android

/*java code converts drawable to Bitmap * /Bitmap Drawabletobitmap (drawable drawable) { int width = Drawable.getintrinsicwidth (); int height = drawable.getintrinsicheight (); Bitmap Bitmap = Bitmap.createbitmap (width,

Activity in Android is used to display the user interface, which is the interface that the user sees and acts on.The activity component in the Androidmanifest file that contains the filter below is the default startup class for the program, which is

According to my article: http://blog.csdn.net/zangcf/article/details/23566999 build an Android build environment on Ubuntu 14.04, the compilation process will have the following two errors:1,can ' t locateswitch.pm in @INC (if you are need to

OpenGL is used in the Cocos2d-x project, and line antialiasing is turned on using Gl_line_smooth. The code is as follows:CCDRAWCOLOR4B (50, 26, 12, 255);//Set line width gllinewidth (2.0f); Enable segment anti-aliasing glenable (Gl_line_smooth);

Add the Minimal-ui property to the META tag in Safari in IOS 7.1 to hide the top address bar and the bottom navigation bar when the page is loaded.How is it implemented? You simply add "Minimal-ui" to the properties of the viewport meta tag, such as:

1. Linear Layout (LinearLayout)Layout_weight: Is the proportion of the user interface that represents the entire parent class, for example, there are two linear layouts in the same interface, and the X-linear layout gravity is 2,y linear layout

1.Activity2.BroadcastReceiver (Broadcast receiver):is a component that focuses on receiving broadcast notification information and responds. such as low power, notification time zone changes, and so on.An app can have any broadcast receiver.It does

first clarify the coordinate system in Android: the upper-left corner of the screen is the coordinate system origin (0,0), the origin point extends to the right of the x-axis positive direction, the origin of the downward extension of the y-axis