Android ndk learning records

The game project began to turn to Cocos2d-x for development. What ndk and cygwin do you need. Start learning with a hard head. 1. Download ndk, the latest version of R7. Decompress to D: \ develop, address: http://dl.google.com/android/ndk/android-

GCC version during Android Compilation

Http://webee.sinaapp.com/archives/28 PS: many people may encounter column problems in compiling android4.0. For example, the GCC version is too high. --------------------------------- For example: /usr/include/features. h: 323: 26:

[Android] aidl transmits custom type parameters

The types of packages supported by aidl by default are basic java types (INT, long, Boolean, etc.) and (string, list, map, and charsequence). If you want to pass custom types, first, let the custom type support the parcelable protocol. The

Android feeling 02 -- Android multi-touch

In Android, multi-touch is a very interesting technology. multi-touch can make your game more playable. First, let's talk about how to implement multi-touch. Event. getaction () // obtain touch actions such as action_down Event. getpointercount (

Android camera angle chart

Package com. cardroid. layer;Import Android. content. context;Import Android. Graphics. Bitmap;Import Android. Graphics. bitmapfactory;Import Android. Graphics. camera;Import Android. Graphics. Canvas;Import Android. Graphics. matrix;Import Android.

Android GPS, Wi-Fi, and base station positioning set

GPS, Wi-Fi, and base station positioning are integrated.GPS Positioning first returns GPS longitude and latitude information asynchronously in the gpstask class. Gpstask = new gpstask (gpsactivity. This, new gpstaskcallback () {@ override Public

Research on the preparation of Android image Flushing

Research on the preparation of Android image flushing 1 ~ 2 (study the knowledge used in 2.2rom) Recently, a friend asked me how to create a QR code for the Android platform. I finally convinced myself to study how to create an Android

How to load installed APK on Android

Private void loadall1_bybatch (){Final long T = debug_loaders? Systemclock. uptimemillis (): 0; // Don't use these two variables in any of the callback runnables.// Otherwise we hold a reference to them.Final callbacks oldcallbacks = mcallbacks. Get

Android erect progress bar

Package com. cardroid. textview;   Import Android. content. context; Import Android. Graphics. Canvas;Import Android. Graphics. rect;Import Android. Graphics. drawable. drawable;Import Android. util. attributeset;Import Android. View.

Android diary 4

After such a long time, we still have some gains... Custom listview. Each item contains a textview and a button, and you want to change the background of the button after each click. The status changes when you open it again... Listitemview.

Call the Android system camera to take a photo and save it

Package COM. demo; import Java. io. bufferedoutputstream; import Java. io. file; import Java. io. filenotfoundexception; import Java. io. fileoutputstream; import Java. io. ioexception; import Java. util. calendar; import Java. util. locale; import

Compression of network requests in Android development-Gzip

Gzip is short for gnuzip. It is a File compression program of GNU free software. Gzip encoding on HTTP is a technology used to improve the performance of Web applications. Generally, this function module is installed on the server and does not need

Write Android desktop by yourself-Article 1

The supervisor then refreshes the firmware to implement desktop customization so that users cannot delete it. As for why, you know ....Let's talk a little bit about it. What we want to do now is not to change the launcher.apk. Instead, we want to

Get Android camera parameters

The following is an example of how to use camera parameters to obtain camera-related parameters: Obtain the required parameters one by one. In this record, we hope to help others in order to facilitate review. Among them, those related to picture

Compile Android source code in Linux

Compile the android source code:1. My system is ubuntu9.10--------------------------------------2. Install related packages:Sudo apt-Get install build-essentialSudo apt-Get install makeSudo apt-Get install gccSudo apt-Get install g ++Sudo apt-Get

My views on surface and surfaceview in Android

1. What is surface? Simply put, the surface corresponds to a screen buffer, and each window corresponds to a surface. Any view must be painted on the canvas of the surface (which is explained later ). The traditional view shares a screen buffer, and

Android gets the root permission in APK and runs the command

Code: http://download.csdn.net/detail/victoryckl/4610617 In the APK, sometimes the root permission is required, such as updating system files such as system files through the APK, to avoid upgrading the firmware or directly accessing certain devices

[Android] startactivityforresult and onactivityresult

Http://www.eifr.com/article.php? Id = 1464 Startactivityforresult () directly calls onactivityresult ()Developers know that you can use startactivityforresult () and onactivityresult () Methods to pass or receive parameters.However, in the listener

Easy Implementation of transparent and borderless circular progress bar in Android

Http://blog.csdn.net/javasecret/article/details/7579698 Many people want to display a transparent and borderless circular progress bar when accessing Web Service background data for a long time in the project, such: Unfortunately, no matter how

Precautions for running scripts on Android

1. The carriage return line break cannot be 0x0d 0x0a, and must be 0x0a: Generally, application development is performed in windows. In Windows, text line breaks are represented by 0x0d 0x0a, while in Linux, 0x0a is used. If the script is written

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