Android

Android cannot actively call the test results of recent projects. Webview. loadUrl ("javascript:" + callbackFunction + "('" + data + "')"); this method transmits data of the jsonobject type to js, because js gets a string object. At the same time,

In Android, there are two methods to display the file list in the SD card through ListView: Display by inheriting ListActivity; and display by using BaseAdapter. BaseAdapter is a common base class adapter used to provide display data for ListView,

1. OverviewIn the past, programmers often designed computer user interfaces in pixels. For example, the image size is 80x32 pixels. The problem with this processing is that if you run the program on a new display with a dot (dpi) higher per inch,

First, implement a simple layout: Copy codeThe Code is as follows: Android: id = "@ + id/et_url" Android: layout_width = "wrap_content" Android: layout_height = "wrap_content" Android: layout_alignParentLeft = "true" Android: layout_alignParentRight

1. Related Concepts 1. Drawable is a printable object. It may be a BitmapDrawable, A ShapeDrawable, or LayerDrawable ), based on the drawing requirements, we can create corresponding printable objects. 2. Canvas, the target area of the drawing, used

In other words, a long time is required for a long time. Dano Dynasty cabinet first auxiliary Kang Pei Kai Kang big bachelor, just self-use, Gu Bu self-sealing, do not think enterprising, resulting in the world together. In the midst of chaos, Apple

Copy codeThe Code is as follows :/** * Gets the number of cores available in this device, each SS all processors. * Requires: Ability to peruse the filesystem at "/sys/devices/system/cpu" * @ Return The number of cores, or 1 if failed to get result *

The libgdx used in this article is version 0.92, which may be different from the latest version. The full text is for reference only. I wanted to write this article, but yesterday I talked to a friend in the group about how libgdx displays Chinese

Let's play with the video recording function of mobile phones. Make a DEMO. Check the recording process: Copy codeThe Code is as follows: mediarecorder = new MediaRecorder (); // create a mediarecorder object // Set the recorded video source to

Factory method mode definition: Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses. Defines an interface used to create objects, so that the

In cocos2d-x, there are scenarios, layers, the concept of the genie, first to create a new scene Add the following code to the project class: // Fishscene. h # Ifndef _ FISH_H _# Define _ FISH_H __# Include "cocos2d. h"# Include "SimpleAudioEngine.

When debugging an I2C touch screen driver, its I2C address is 0X01, finally found in \ linux-3.0 \ drivers \ i2c \ i2c-core.c has detected I2C address available is the following function:/* And this is a strict address validity check, used when

Seeing the effect of a mask layer in an electronic magazine, I felt very beautiful and thought it was very troublesome. I did not come up with any idea when I searched a lot about the android mask layer, it turns out to be a transparent effect, and

A recent COCOS2DX project has undergone major changes. The data layer of the entire project has been moved from the C ++ layer to the LUA layer. Now the question is, how can I access the LUA data layer on the C ++ layer? As a newcomer to LUA, I am

Original Work, reprinted, please mark:

If you want to change the lock to a layer, You need to modify it as follows: LockPatternKeyguardView. java: Private Mode getInitialMode (){ IccCard. State simState2 = IccCard. State. NOT_READY; Final IccCard. State simState = mUpdateMonitor.

Emulated Device Key Keyboard Key Home HOME Menu (left soft key) F2 or Page-up button Start (Right soft key) Shift-F2 or Page Down Return ESC Call F3

1. Prepare Images Using the Graph Software GIMP that comes with ubuntu is the fastest way to convert images. You can also use commands to convert images. In actual testing, an error is prompted, so you can use GIMP to process the image. The specific

In your Android device, when the device location changes, your application can use any of the following location sources to receive updated information, it includes information such as height, precision, direction, speed, and timestamp: GPS

Although Android smartphones and tablets are faster than a day, developers must remember that their applications are still running in a resource-intensive environment, this environment relies primarily on batteries and processors that are unmatched