Android

Protected void ondraw (canvas) {// drawing entry in view/** traverse the body in box2d world and draw its shape */For (body B = World. getbodylist (); B! = NULL; B = B. getnext () {XF. Set (B. gettransform (); For (fixture F = B. getfixturelist ();

It is found that there is a problem with the system's toast cancel mechanism. Once the previous cancel is removed and a new toast is displayed, the new toast will be stuck for a period of time and cannot be displayed. Note the following when

Previously mentioned: if you cannot download the following content, use thunder to try it and solve the problem. The following articles are organized by me from other websites. Of course, the content of others is old. I just finished it today,

Step 1: Layout file, mainly in red Android: Orientation = "vertical" Android: layout_width = "fill_parent"Android: layout_height = "fill_parent" Android: weightsum = "1"> Android: scrollbars = "vertical"Android: fadingedge = "vertical"Android: Id = "

Added support for light sensor based on Android 2.2: 1) UI 2) Framework section 3) Hal part 4) Driver   The following are discussed respectively: 1) UI A) Enable the brightness setting menu to automatically adjust the brightness checkbox. Frameworks/

This article will talk about the sharpening Effect of image special effect processing. As before, pixels are processed, and algorithms are universal. Algorithm principle: I. Simple Algorithm: Obtain the RGB values of the current pixel and the eight

This article describes the negative effects of image special effects processing. As before, pixels are processed, and algorithms are universal. Algorithm principle: the RGB values of the current pixel and the values after the difference of 255 are

Popupwindow is a pop-up window that can be used to display any view. It must be completely dependent on layout. It has no interface, and the layout controls are fully displayed in the pop-up window. The above two beautiful headers are the content

Sharedpreferences indicates "Sharing Preferences" It is shared by all activities and cannot share preferences outside the application package. Preferences are stored as a set of "keys/values. The supported data types are as follows: 1. Boolean

I went to the android development lecture held by csdn yesterday and talked about how to change the application skin and system skin. Here is a summary. Application skin replacement: 1. Build skin resources into applications. This method is rigid,

The appearance of the imageview in Android, that is, the image display in it, and the adjustviewbonds and scaletype in the layout FileAttribute relationship. I have made some explorations. I would like to share with you. Thank you for your advice.

In my article and video "How to become an android guru", the author proposed some guidelines that must be mastered and followed to become a real Android guru: 1. Learn laziness 2. proficient in Android architecture, MVC, common design patterns, and

A long time ago, I heard people say that android will get angry in the future. As a forward-looking person, it will be a good opportunity for transformation. javaweb is too mature and saturated, nowadays, various types of Android mobile phones are

Android init. RC File Syntax The android initialization script language contains four types of statements: * Actions)* Command (commands)* Services)* Option (options)The syntax of this language includes the following conventions:* All types of

1. Make an image transparent: Java code 1. Bitmap buffer = bitmap. createbitmap (width, height, bitmap. config. argb_4444); buffer. erasecolor (color. Transparent ); 2. send an email directly:Java code 1. Intent intent = new intent (intent.

Let's talk about these three layers first. Layer_type_softwareNo matter whether the hardware acceleration is enabled or not, there will be a bitmap (software layer) and soft rendering will be performed on the webview.Benefits:When performing an

This article from http://blog.csdn.net/hellogv/, reference must indicate the source! In this article, we use SAX to parse XML. In Android, we can use SAX and Dom. Dom needs to read the entire XML file into the memory and parse it, which consumes a

This article from http://blog.csdn.net/hellogv/, reference must indicate the source! Last time, we introduced how Android uses a microphone to collect and display analog signals. This collection method is applicable to scenarios where no I/O control

Small man (Bill man) Personal Original, welcome to reprint, reprint please indicate the address, small man (Bill man) column address http://blog.csdn.net/bill_man The last time I talked about the triangle draw mode, there are other ways to draw the

Android Application Development requires assistance with the output information in log files during debugging.1. Android Application debugging By default, Android applications cannot be debugged. (eclipse) will prompt the following message: