= "# ffffffff"
Android: text = "Golden Gate"/>
Start tools> hierarchyviewer. bat to view the current UI Structure View:
We can see that there are two framelayout nodes in the structure contained by the red box. Obviously, the two nodes with the same meaning cause a waste of resources, in this case, you can use the merge label to solve the problem. Replace the root node with the
(Conversion) Android calls the built-in File Manager to select files and obtain the path. android File Manager
Unlike the sandbox mode of iOS, Android allows you to browse local memory in a file browser. Android APIS also provide corresponding interfaces.
The basic idea is t
This example shows how Android realizes the number of missed calls and unread messages, which is very common in Android program development and is a very useful feature that is now shared for your reference. Specifically as follows:
First, unread SMSFirst register observer, when there are new SMS or MMS will call the OnChange method, we can in the OnChange metho
How to merge two Android apps (master)
Sometimes, because of the company's needs, it is required to merge the two apps to use the functions in the APP.
Platform: Studio
Mouse: QR code scanning and self-Project
Specific steps :/**
* 1. Copy the decompressed android/assets folder to the main folder of the project.
* 2.
Web calls for Android, Apple mobile phone cameras, local images and files, and web android
Because a customer needs to make a billing WAP, which calls the mobile phone photo function, record it here for the friends who need it. Below is a complete HTML page content, put it on the server and browse it. Only Chrome and S
How does android call the Default Input Method for displaying and hiding the system? (1) android calls
1. Call the Display System Default Input MethodMethod 1,InputMethodManager imm = (InputMethodManager) getSystemService (Context. INPUT_METHOD_SERVICE );Imm. showSoftInput (m_receiverView (View that accepts soft keyboard input), InputMethodManager. SHOW_FORCED (m
This article is from the "Java" blog, so be sure to keep this source http://10594050.blog.51cto.com/10584050/1886211Android make phone calls to Android call
Many developers want to use the program to call the camera and process the photos they have taken. First, preview the program.
First, design the Home Page. It is very simple, just adding a button and an image.
The next step is to process the button event. When you press the button, the local camera will be called.
// Image storage address: imagefilepath = environment. getexternalstoragedirectory (). getabsolutepath () + "/mypicture.jpg"; file imagefile = new file (imagefilepath); Uri imagef
When Android calls the system to crop data without returning data, the file modification time is used to determine whether the user has cut or not. The android modification time
Some mobile phone prompts that the content cannot be greater than 40 kb if you set the image to be returned when you call the cropping system for a company project ), therefore, you need
Android: Call the system sharing function. android calls
Sample Code:
/*** Call the system sharing Function * Created by admin on 15-4-13. */public class extends Activity {@ Override protected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. pai_layout);} // share the text public void shareText (View vie
The following content is reproduced from: http://shazhuzhu1.iteye.com/blog/1095694
Android calls system programs
1. Search for content from Google
Intent intent = new intent ();
Intent. setaction (intent. action_web_search );
Intent. putextra (searchmanager. query, "searchstring ")
Startactivity (intent );
2. Browse the webpage
Uri uri = URI. parse ("http://www.google.com ");
Intent it = new intent (inten
Although Android offers a variety of components for small, reusable interaction elements, you may also need to reuse a large component for the layout. To efficiently reuse the full layout, you can use the
The reuse layout is very powerful because it allows you to create complex layouts that can be reused. For example, a Yes/no button panel, or a custom progress bar with descriptive text. This also means that common elements in multiple layouts in an
Android abstract Layout-include, merge, and ViewStub
Android abstract Layout-include, merge, and ViewStubIn layout optimization, Android officially mentioned the three la S: include, merge, and ViewStub, and introduced their respe
Small white: Previously shared the use of viewstub tags. Is there any other way to optimize the layout of Android?Black: First, the master needs a configuration file Activity_main.xmlOne more simple activity, file name Mainactivity.javaPackage Com.example.merge;import Android.app.activity;import Android.os.bundle;public class MainActivity extends Activity { @Override protected void onCreate (Bundle savedinstancestate) { super.oncreate
Android Abstract Layout--include, merge, ViewstubIn layout optimization, Android officially mentions the three layouts of include, merge, Viewstub and describes the advantages of each of these three layouts, and here's a brief look at their strengths and how to use them.1. Layout reuse includeThe include tag allows you
"android:layout_height="Wrap_content"android:layout_marginbottom="20dip"android:layout_gravity="Center_horizontal|bottom"android:padding="12dip"android:background="#AA000000"android:textcolor="#ffffffff"android:text="Golden Gate2" />framelayout> Apply the Layout above The view to run is :start tools> hierarchyviewer.bat tool to view the current UI Structure View :We can clearly see the presence of two framelayout nodes, it is clear that these two completely identical nodes caused the waste of
For how to use merge and include tags in Android, see the android document layout tricks: merging.
First, let's talk about the first simple usage of the Obviusly, using
For the use of merge and include tags, use the instance description directly.Testmergeinclude. JavaPublic class testmergeinclude extends activity {/*
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.