Android

Description of Intent attributes 2. Action, Category, and intentcategory First look: 1. Action: actions that can be executed by the activity This identifier indicates the actions that the activity can perform. If any of the actions listed in

Android FrameLayout, androidframelayout First, let's take a look at the demo: FrameLayout framework layout is the simplest layout form. All views added to this layout are displayed in a stacked manner. The first added control is placed at the

Android dynamically creates Fragment and androidfragment Fragment is a part of the activity interface or an action. Multiple Fragment can be combined into one activity to create a multi-interface and one Fragment can be reused in multiple activities.

Android: layout, rendering, memory leakage, response speed, listview and bitmap, thread optimization, and some optimization suggestions !, Androidlistview 1. Layout Optimization First, Remove useless controls and layers in the layout, and then

Android kills processes and android kills processes. When an application is no longer used, you usually need to disable the application. You can use the following three methods to disable the android Application: Method 1: first obtain the id of the

Android determines which mobile operator the SIM card belongs to, androidsim Method 1:Obtain the IMSI code of the mobile phone and determine whether it is China Mobile, China Unicom, or China Telecom. TelephonyManager telManager = (TelephonyManager)

GitHub enables collaborative code submission by multiple people and permission group management. Reprinted please indicate the source:Http://www.cnblogs.com/zhaoyanjun/p/5882784.htmlFrom [Zhao yanjun's blog]  Preface: In the previous article,

Android SQLite database summary, androidsqlite SQLite SQLite is a lightweight embedded database with a size of only several hundred KB. However, it supports standard SQL syntax and complies with ACID transactions of the database, therefore,

Android image color processing, You can move the mouse to adjust the seekbar and adjust the color of the image. The project layout is as follows: The effect is as follows: The logic code is as follows: Package com. wuyudong. resize;

Image Painting Board for Android, This article focuses on the implementation of image drawing board for Android Design Project Layout: First, implement the drawing function: Public class MainActivity extends Activity {private ImageView iv;

Android loads large images to memory, This article demonstrates how to load images to memory in android First, design the interface: The Code is as follows: Upload test images to mnt/sdcard Add the logic code: public class MainActivity extends

ToolWindow tool class, popupwindow tool class Package com. dute. dutenews. utils; import android. app. activity; import android. content. context; import android. view. view; import android. view. windowManager; import android. view. inputmethod.

How to Use OrmLite database, ormlite DatabaseStep 1: import the rack Package 1. Put the two support packages of the orm into the lib directory of your project in the project view (both JAR packages are available online and the latest on GitHub) 2.

Android Memory leakage ., Android Leakage Recently, during code maintenance, we found that a custom View (this View is created in the doInBackground of an AsyncTask worker thread and added to the window in the onPostExecute thread of the UI thread)

Why is the space occupied by Android Studio project folders so large? Let's reduce the weight for it, androidstudio The Android Studio project folder is much larger than the ADT Bundle.Create an empty project with Android Studio. The project folder

Payment can be called only once. I have been using Android for some time, but I have not systematically studied it. I have been focusing on server-side development for many years. I always feel that it is only temporary because the project needs to

Simple practices for Android design (Message flow) The above two Articles respectively show that the design is simple and also a key practice point. The first module is divided according to the business carried by each module. It is a static

The use of linkToDeath and unlinkToDeath in Android development aidl, aidllinktodeath1. The Binder death proxy section first introduces two important methods of the Binder class: linkToDeath and unlinkToDeath. We know that the Binder is running in

Custom Dialog width occupies full screen and dialog width1. Custom Dialog inherits the Dialog public class MyDialog extends Dialog {  2. Set a style for Dialog Create new style inheritance in style @ Android: style/Theme. Dialog or @ android:

[Android] exercise using ListView (2), androidlistview Exercise asynchronous tasks and LrcCache caching Package com. android. test; import java. io. inputStream; import java.net. httpURLConnection; import java.net. URL; import com.