Android

When I was working on a project, I found that:When I download xml to the SD card using common download methods and then read xml parsing, there is always the following exception: However, the program can still run, but the number of lines after xml

After a while, google found that no one wrote notification in the framework, how to implement it. It was strange that I had a search problem? Well, no matter what it is, work needs to be done by yourself.  Related

1. Uninstall the installation package Adb uninstall package To retain the package data and cache directory, You need: Adb uninstall-k package 2. Installation package Adb install package Of course, this package should be under

RadioButton Class Structure:  RadioButton is a good understanding of the single-choice button in Web development. It should be noted that we need to set the same name for the single-choice button in Web development. Android development here, we need

CheckBox is a multi-choice button. You can select multiple options in a group. CheckBox is also the most common component in Android.   Android: orientation = "vertical" Android: layout_width = "fill_parent" Android: layout_height = "fill_parent">

I spoke about ant in my previous blog. Link:Http://blog.csdn.net/androidbluetooth/article/details/6594401This blog will continue to use ant to compile the android open-source project: sipdroid1. sipdroidSvn is required to download the source code,

Next let's take a look at the interfaces related to volume settings. **************************************** * Source Code ************************************** ***********// Test case 1: setStereoVolume () with max volume returns SUCCESS@

Let's take a look at the playback rate related interfaces today. Including set and get. **************************************** * Source Code ************************************** ***********// Test case 6: setPlaybackRate () accepts values twice

This topic describes how to play audio and video. The source file for playing audio and video can be three types: source file (I .e., res/raw or assets) File System (I .e. sdcard) streaming media (I .e. network) 1. you can use MediaPlayer or

When you exit an Android project, you cannot exit all the activities. In this case, you need to close all the activities when you exit. Idea: when an activity is created, it stores the current Activity object and closes all the activities when it

Android uses two attributes to classify the screen of a device: size and density. You should imagine the device screen size and density range for installing your app. For example, you should include some optional resources to optimize the display

The Tab is a very convenient component. Today, I know a simple implementation of the android Tab. this article comes from the IT technology learning network (http://www.hopean.com) Source: http://www.hopean.com/devlop/ below is a simple step. 1. use

1. install and use the Mat Memory analysis tool: ------------------------- install ------------------------- prepare the environment and test data. We use Eclipse Memory Analyzer V0.8, the installation of MAT in Sun JDK 6 is very similar to that in

MainActivity: [java] package c. c; import android. app. activity; import android. OS. bundle; import android. widget. slidingDrawer; import android. widget. slidingDrawer. onDrawerCloseListener; import android. widget. slidingDrawer.

There are two types of boot animation in Android: Default Android text display and Custom Animation. The main implementation code is in \ frameworks \ base \ cmds \ bootanimation. Here we will mainly explain how to add a custom boot Animation:

If there are many activities in the android program that are not completely finished during the jump process, it is very likely that the current activity ends at the end of the program exit, but the next activity on the activity stack will jump. For

MainActivity: [java] package c. c; import android. app. activity; import android. content. contentValues; import android. content. intent; import android.net. uri; import android. OS. bundle; import android. provider. mediaStore; import android.

Activities provides a convenient Dialog box mechanism for management, such as onCreateDialog (int), onPrepareDialog (int, Dialog), showDialog (int), and dismissDialog (int) if you use these methods, the Activity returns the dialog box managed by the

First, because there is no Bluetooth device on the simulator, we need an Android system containing a bluetooth device. Second, to operate the bluetooth device on the device, we need to declare two permissions in AndroidManifest: the first

We only need to write this function in three steps: Step 1: Write a class (FunctionApplication) to inherit the Application, and implement the following method in the onCreate () method: @ Overridepublic void onCreate () {super. onCreate (); String