Copy Code code as follows:
public class Httputil {
public static string Senddatabyhttpclientget (string path,string name,string pass) {
String result = "";
1. Get to a browser
HttpClient client = new Defaulthttpclient ();
2. Prepare the
The application of the combination mode in Android is a flood of porridge, everywhere, and that is the use of view and ViewGroup classes. In the Android UI design, almost all of the widget and layout classes depend on these two classes.
Combination
You can customize themes and styles in Android. style, which means style, we can take some unified attributes, such as long, wide, font size, font color, and so on. You can create a new Styles.xml file in the Res/values directory, in which there are
Some recent learning experience:
function Realization: Click on the round avatar can upload or open the camera, and then the resulting picture after cutting, the cut of the picture set as the head of the background image
Step: Step One: Customize
The following code is the state of listening to the phone, the code simply do not introduce direct look at the code:
Copy Code code as follows:
Private Boolean mresumeaftercall = false;
Private Phonestatelistener Mphonestatelistener =
Preface:
The previous summary of the program to share data, you can use ContentProvider can also use sharedpreference, then how to share memory between processes? There is no shared memory between processes in the Android system, so there is a need
Sometimes there are complex layouts that are rarely used in applications. Reloading can reduce memory consumption while you need them, and speed up the rendering of the interface.
Define Viewstub
Viewstub is a lightweight view that does not have a
The implementation effect is as follows:
Realize the idea:
1, how to achieve the effect of the round water surface: The use of paint Setxfermode attribute for PorterDuff.Mode.SRC_IN draw the progress of the rectangle and the intersection of the
In the normal development process, our ListView may not simply display the text or buttons, more show the complex layout, so we have to write their own layout and custom adapter, usually inherited from Baseadapter, sample code see below. Write
1. Call Dialing Program
To mobile service 10086 call
uri uri = uri.parse ("tel:10086");
Intent Intent = new Intent (intent.action_dial, URI);
StartActivity (Intent);
2. Send SMS or MMS
Send 10086 sms
uri uri = uri.parse ("smsto:
Add string
Add a string to the Android Frameworks/base/core/res/res/values, for example, add a string to the String.xml
Copy Code code as follows:
service was enabled for:
You also need to add a public.xml file in the
We see the micro-letter Home switch effect has not felt very cool, sliding switch, click on the bottom bar instant switch, sliding transition gradient effect, online effect chart:
Before also on the blog to see other people's implementation, and
From the start of the Android program, I was told that the common sense
One, DP (or dip device independent pixels)
An abstract unit based on screen density. On a 160-point display per inch, 1dp=1px. Different devices have different display effects,
1, after the android4.0 version, the main thread (UI thread) is not supporting the network request, the reason is probably the impact of the main thread, the speed is too slow, easy card machine, so need to open a new thread request data;
Obfuscation packaging for Android applications1. Add the following proguard.config=proguard.cfg in the project.properties of the engineering document, as shown below:Target=android-8
Proguard.config=proguard.cfg
Eclipse will generate proguard.cfg
Now, mobile apps penetrate all walks of life, the numbers are hard to count, most of them use the web and the interaction with the server is overwhelming, so what are the ways to access the Internet in Android?
Now we've summed up six ways:
(1)
The most complex graphics in Android are made by path, such as drawing a curve and then moving an object along with the curve, such as a search button, such as a simple clock implementation:
So what is path!
Definition: path is the way, which is
This example shows how to change the order of existing activity in the current task stack by setting the intent object's markup.
1. Activity initiation Tag description for intent object:
Flag_activity_brought_to_front
This tag is
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Program Download Upgrade Zhouxiang
@JavascriptInterface
public void UPDATECAECP (final String path) {
try{
Alertdialog.builder Builder = new Builder (context) obj;
Builder.setmessage ("Detected a new release,
Introduction of NDK and JNI
NDK is all called the native Development Kit local language (c&c++) development package. The corresponding is the frequently contacted ANDROID-SDK, (software Development Kit) software development package (only supports
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