Several good Android development forums

Address: http://liangruijun.blog.51cto.com/3061169/623555 1. anddev A very good Android developer forum outside China. Forum sections are fully divided for developers. The topics from entry level to advanced level are comprehensive, and the

Highlights of Android problems: transport endpoint is not connected

At that time, my simulator was accessible to the Internet, And my HTTP ConnectionProgramIt's verified, So I have not solved the problem for a long time. The problem was discovered by accident, I used a proxy to access the Internet, and a proxy

Add SD card for Android simulator in Linux

Mounted SD card for Android simulator in Linux 1. Create an SD card: ~ /Gingerbread $ mksdcard-l mysdcard 256 m mysdcard. img Create an SD card image file in the current directory named mysdcard. IMG. 256 MB indicates that the size of the SD card

Changes in the Android listening Network

In Android, network conditions change from network to no network, from wifi to gprs, and from cmwap to cmnet!If some functions of your program require network support, you may need to listen to network changes for corresponding processing.For

Android uses UncaughtExceptionHandler to capture global exceptions

The Android system "abnormal exit of the program" has a negative impact on the user experience of the application. You can inherit the UncaughtExceptionHandler class to capture exceptions during application running and give friendly prompts. Use the

Change the system APK to the android Simulator

Modified an Android app, such as launcher. then, a launcher.apk is compiled separately. How can I put this apk in the simulator to view the effect without building the entire image? The methods found on the Internet are directly adb install. However,

Call a binary executable program (native executable) in Android)

A few days ago, when I needed to call the binary program in java code, I found some information on the Internet and wrote something to record. Android is also a linux-based system, and can also run binary executable files. However, Android only

Conversion of wide character codes in Android NDK and icu library usage

Original stickers http://topic.csdn.net/u/20101022/16/1b2e0cec-b9d2-42ea-8d9c-4f1bb8320a54.html? R = 70149216, read and implement it, and record it for reuse. For the java layer, the String class can be used to convert various encodings. There are

Activity in Android

For any Android Application, the Activity class is the core component. In many cases, you need to define and implement an Activity for each screen display. The Activity class needs to introduce the package import android. app. Activity. Android

Simple Explanation of tasks, processes, and threads in Android

I. Task To explain what is a task in Android, You need to mention the application and Activity. Activity: the most basic application component in Android. An Activity is usually a separate screen used to present data and interact with

In Android, a single-row and multi-row listview

It can be used for reference:   android: layout_width = "fill_parent" android: layout_height = "fill_parent" android: windowSoftInputMode = "adjustUnspecified | stateHidden" android: layout_width = "fill_parent" android: layout_height =

Android NDK: APP variable defined to unknown applications: hello-jni

The following error message appears when you compile the hello-jni example using the android-ndk-r4b command make APP = hello-jni: Android NDK: APP variable defined to unknown applications: hello-jniAndroid NDK: You might want to use one of the

Android ListView examples

There are three implementation methods, from simple to deep. Pay attention to the usage of the Adapter. In fact, if you read the Android documentation, you will find many adapters, If you are not quite clear about the adapter mode, you can first

Learning Android Chapter 2 NDK Translation 2

JNI header file The next step is to create the C header file based on the Fiblib Java file. How can we do this? We use Java's standard javah tool. If you want to install the Java Development Toolkit (JDK), you will find this tool in the JDK/bin

Android architecture and features

This article is transferred from network...  Architecture  Steal an Android platform from the SDK documentation Architecture Diagram, As shown above. In the bottom layer of the entire architecture Linux KernelA port on the mobile platform hides

Android custom GridView: adding multiple text boxes to an image

The use of the GridView is very simple. There are examples in the API Demo, but to implement a complex GridView, You need to customize it. Today we want to achieve the following results: The layout is composed of two parts: gridview and

Learning Android Chapter 3 NDK translation III

Test our work Now we can open fire on the Fibonacci program, run it and test it! Note: The larger the value n, the longer the program operation time, especially the recursive algorithm. We recommend that n be between 25 and 30. It should also be

ANDROID admin contact

You can easily manage contact information through interfaces provided by the Android system. Add  Add contactCode on 1.6 String peopleName = "name"; ContentValues personValues = new ContentValues (); // name personValues. put (Contacts. people.

Android phones prevent sleep

  There are two ways to implement this function. One is to declare in the Manifest. xml file, and the other is to modify the flag of LayoutParams in the code. The details are as follows: 1. Use user-permission declaration in the Manifest. xml file.

Android. OS. BadParcelableException: ClassNotFoundException when unmarshalling

Add a List field to the person class in the data of the class object in the previous article Activity, as shown below: Package com. linc. meta; import android. OS. parcel; import android. OS. parcelable; public class Person implements Parcelable

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