android daydream

Android practices: Android 5.1 SDK download and configuration, and android practicesImportant files: (1) http://dl-ssl.google.com/android/repository/sources-22_r01.zip(2) http://dl-ssl.google.com/android/repository/tools_r24.1.2-windows.zip(3) http://dl-ssl.google.com/

[Android performance optimization series] memory basics-how to manage memory for Android, android-android If you like my blog, please pay attention to my Weibo, please click here (http://weibo.com/kifile), thank you Reprinted please indicate the source (http://blog.csdn.net/kifile), thank you again Address: http://de

Hello everyone, this section is to share some of the Android image special effects processing tips, such as rounded corners, reflection, there is a picture scaling, drawable into bitmap,bitmap into drawable and so on. Talk less, directly to explain today's example, this example is mainly to get wallpaper (Getwallpaper ()), and then some of the current wallpaper effects processing. Step by step: The first step: a new

can be the interception of the image first compression, after all, the late still need to blur, that is, this image is compressed does not affect the fact that we are blurred (because to the end is blurred). In fact, when we compress the image, we find that the blur effect of the picture is different under the same blur radius, as shown in the following two figure: The reason is: Gaussian fuzzy algorithm to determine the color of a point is through the point near the other points to obtain t

. This is a security mechanism. For Android, the final apk file contains the Dex type of file, Dex file is the class file repackaging, packaging rules are not simply compressed, but the class file inside the various function tables, variable table optimization, resulting in a new file, that is, Dex file. So loading this special class file requires a special ClassLoader dexclassloader. Ii. the practical application of the Dexclassloader method Suppos

Android: Gravity/Android: layout_gravityDifferences: Android: gravity is used to set the position of the content in the view relative to the view. For example, set the text in the button to the left and center of the view. Android: layout_gravity is used to set the relative position of the view and its parent view. For

Fourth, Android build system and custom Android platform system4.1Android compilation systemAndroid's source code is composed of hundreds of thousands of files, these files are interdependent, and some are independent of each other, they are placed in different directories by function or type, for this big project, Android through its own compilation system to co

Download Android Development sdk ndk and android development sdkndk Version 2014.7 ADT BundleHttp://dl.google.com/android/adt/adt-bundle-windows-x86-20140702.zipHttp://dl.google.com/android/adt/adt-bundle-windows-x86_64-20140702.zipHttp://dl.google.com/android/adt/adt-bundle

Android Android-android Application Structure Analysis (4), android Application Development Description of the automatically generated R. java File 1 public final class R { 2 public static final class attr { 3 } 4 public static final class dimen { 5 /** Default screen margins, per the

The Audiomanager class is located on Android. Media package, this class provides access to control volume and sound mode operation The following are the Audiomanager ways to set the sound mode and adjust the sound size. How to get the Sound manager: The code is as follows Copy Code Audiomanager Audiomanager = (audiomanager) getsystemservice (Audio_service); The Main method inside: A, set the sound mode

/"+ context.getpackagename () + "/shared_prefs"));} /** * Clear the application database by name * * @param context * @param dbname * *public static void Cleandatabasebyname (context context, String dbname) {Context.deletedatabase (dbname);} /** * Clear the content under/data/data/com.xxx.xxx/files * * @param context * *public static void Cleanfiles (context context) {Deletefilesbydirectory (Context.getfilesdir ());} /*** * Clear the external cache content (/mnt/sdcard/

Introduction to Android Development (20) content provider 20.3 predefined query characters Introduction to Android Development (20) content provider 20.2 ContentProvider use Getting Started with Android development (20) content provider 20.1 data sharing Getting Started with Android development (19) database 19.3 pr

Original link: http://www.cnblogs.com/allenzheng/archive/2012/11/10/2762379.htmlFirst, build the Android development environmentGetting ready: Download Eclipse, JDK, Android SDK, ADT Plugin: eclipse:http://www.eclipse.org/downloads/Jdk:http://www.oracle.com/technetwork/java/javase/downloads/jdk7u9-downloads-1859576.htmlAndroid sdk:http://developer.android.com/sdk/index.htmlAdt:http://developer.android.com/t

Android development, permission acquisition, and android Development Permission Turn: http://blog.csdn.net/yawinstake/article/details/6748897 Access registration attributes Android. permission. ACCESS_CHECKIN_PROPERTIES, read or write the permission to register the check-in database Attribute Table Get error location

Android App note Android app note book maker Android Tutorials Common Android Tips Ticwear App Development Kernal Development materials Latest News Android Tutorials Android developer

Access registration attributes Android. Permission. access_checkin_properties, read or write the permission to register the check-in database Attribute Table Get error location Android. Permission. access_coarse_location, which uses WIFI or mobile base stations to obtain the user's incorrect latitude and longitude information. The positioning accuracy is roughly 30 ~ 1500 meters Get

QR code synthesis, Apple and android (ios and android) are combined into a QR code, allowing users to scan a QR code to download apple and android apps separately. android QR code scanning Because of the company's promotion, there is no suitable tool to synthesize a QR code from Apple and

The number of rows of tablelayout is directly specified by the developer, that is, the number of tablerow objects (or view controls. The number of columns in tablelayout is equal to the number of columns in tablerow with the maximum number of child controls. For example, if the first tablerow contains two sub-controls, the second tablerow contains three, and the third tablerow contains four, the number of columns of the tablelayout is 4. Attributes that can be set for tablelayout include gl

1. Build an android Development Environment Preparation: Download eclipse, JDK, Android SDK, and ADT plug-in : Eclipse: http://www.eclipse.org/downloads/ JDK: http://www.oracle.com/technetwork/java/javase/downloads/jdk7u9-downloads-1859576.html Android SDK: http://developer.android.com/sdk/index.html ADT: http://developer.android.com/tools/sdk/eclipse-a

Author: Zambia chicks Since its launch, Android has been favored and sought after by developers as an open source. Developers of most Android applications will refer to Dev guide. If you want to gain an in-depth understanding of Android, you must refer to the underlying source code to make it more straightforward.The Androi