Android

  Problem: there is now a background control AA (such as ImageView, LinearLayout, ViewGroup, or other controls ), now, if you want to place another control BB on this control to display the current status (for example, the screen indicator in

  This article uses a Demo to show how to use the ExpandableListView control in Android, such as how to bind a data source to a group or sublistview. The Code is as follows:   Program structure:     The source code of the main. xml file in the

  WindowManager. LayoutParams layoutParams = getWindow (). window. getAttributes (); LayoutParams. width = WINDOW_WIDTH; // modify the width and height of the form. LayoutParams. height = WINDOW_HEIGHT; LayoutParams. alpha = WINDOW_ALPHA; //

  ● In terms of memory, you can refer to the Android heap memory and customize the size and optimize the heap memory allocation of the Dalvik virtual machine.   ● In terms of basic types, Because Java does not have actual pointers, NDK must be used

  1. Android-> Http Server components, such as servlet.   First: Provide encoding during HttpEntity, such: HttpEntity entity = new UrlEncodedFormEntity (params, "GB2312 "); Type 2: encode the data before sending, for example: Java.net.

  In android, the Activity is restarted every time the screen is switched. Therefore, you should save the status of the current Activity before the Activity is destroyed and load the configuration when the Activity is created again. When the android:

  I plan to perform android automated testing in the future. Today I found a very good tool. I will study it later: The download address is as follows: Http://code.google.com/p/robotium/downloads/list   This is the configuration method: 1.

  Small trees are rarely used, and people ignore them. They don't cut down them, so they have the opportunity to grow into useful giant trees. This is useless! Lao Tzu said: "Everyone knows how to use it, but don't know how to use it." The "soldier

Upload file. I changed it to a program that can read all the txt files in the mobile phone sdcard. no matter whether the txt files are placed in the root directory or under the subdirectory, they can be read and put into the listview to display the

  Let's talk about the call in two cases, namely the call of scripts in the same game object and the call of scripts of different game objects;   1. In a game object, the script call is very simple, as shown below:     Var Contro;   Control =

[Java] do not use setImageBitmap, setImageResource, or BitmapFactory. decodeResource is used to set a large image, because after decode is completed, these functions are finally completed through the createBitmap on the java layer, which consumes

Android Logcat allows you to conveniently observe the debugging content, basically using the method (using Logcat to debug programs ). What is the difference between Log. v Log. d Log. I Log. w Log. e? 1. Log. the debugging color of v is black, and

First, because BroadReceiver is one of the Android components, it must be declared before use. The declaration method is as follows: [html] next, let's look at the implementation of this instance: 1. when the program starts running 2. when

Normal Circular ProgressBar this type of progress bar is a running process, such as sending text messages, connecting to the network, and so on, indicating that a process is being executed. Generally, you only need to define it in the XML layout.

Because the android system does not currently add boost, a large number of STL and C ++ language features are used, causing a headache in compilation. 1. A similar exception function error occurs. boost/exception/detail/exception_ptr.hpp: 382: error:

I. Basic Knowledge: 1. Smooth coloring: combines different colors of multiple vertices to create a beautiful color mix. 2. monotonous coloring: Apply a fixed color to the image. 3. color array defined by the triangle (smooth coloring): [java] int

Original question Description: In the android ListView, how can I determine whether the content has been scrolled to the top or bottom? Solution: check using this method: [java] getListView (). listener (new OnScrollListener () {@ Override listener

Today, we will bring you a game in Android. The core implementation code for blowing skirts is as follows: package com. xxiyy. spl; import android. media. audioFormat; import android. media. audioRecord; import android. media. mediaRecorder; import

Android listView click no response solution items in ListView have buttons, checkbox and other controls. By default, these child controls have spot focus, the basis for selecting a ListView Item is that it can obtain the Focus. Therefore, we can set

Today, we will talk about how to obtain and set the camera resolution. This is a technical post or a knowledge literacy post. Many netizens may ask why the resolution settings on my camera are ineffective? First, hardware support is required for