Read about google play services for android 4 4 2, The latest news, videos, and discussion topics about google play services for android 4 4 2 from alibabacloud.com
software. It can be in the menu or in the settings. You can refer to moji, sogou input method, QQ, and other software that supports skin replacement.3. load the skin file in the specified path, read the thumbnail, and display it on the skin settings page, decompress the selected skin file to the "/data/[package name]/skin" path.4. The software preferentially reads Resources in the "/data/[package name]/skin/" path. If not, use the resources in the AP
to know the length and width of the desired image in advance. For example, I want to cut an image of 400*400 (unit: px. Use this as a benchmark to calculate the length and width of the Rect displayed on the screen, and then draw the MaskView. Select the mode as needed. This article uses the first mode as an example. The code below:
Package on the basis of the miscellaneous documents. First, encapsulate a MaskView to draw the bright effect in the dark, or you can add a scroll bar. This is not a
Here, we do not use IDE and directly use the command line for processing.
1. Create a project
Here we use the commands in tools in andriod SDK:
Android Create project -- Target 2/-- Path/workspace/andriod/learning/now -- activity now/-- Package com. Wei. andriod. Learning. Now
2. Programming
In the src/COM/Wei/andriod/learning/now/directory on now. Java, Thi
Android provides a user-level lightweight LOG Mechanism. Its implementation runs through Java, JNI, local c/c ++ implementation, Linux kernel driver, and Other Android layers, and is simple and clear enough, it is a pretty good case. This series of articles explains the internal implementation mechanism of the LOG mechanism. This article is part 4 of the series.
Android system.
In Android, activity has four basic states:1. RunningAt the front of the screen, it is visible and interactive with the user.2. pausedWhen acitivy is overwritten by another transparent or non-full-screen activity, the status is paused. Although visible, it cannot interact with each other.3. StopWhen the activity is overwritten by another activity
. For example:
Also, this activity must be declared using the Android: Configure attribute in the XML file of appwidgetproviderinfo. For example:
...Android: Configure = "com. example. Android. exampleappwidgetconfigure"...>
Note that this activity should be declared using a complete namespace because it will be referenced outside the scope of your package.
The
Android supports a multiple-screen mechanism that provides an appropriate way to manage and resolve application resources for the current device screen. This article describes the Android screen adaptive solution in 4.
First, to elaborate layout_weight
The most recommended Android multi-screen adaptive solution at th
Based on Android 4.4 and 4.2, codec used for detection is wm8994.
The mic detection in Android and Kernel is based on the headset detection. The specific process is as follows:
1) kernel uses Jack to detect pin interruption and detects that headphones are inserted.
2) read the codec register to determine whether the headset has mic
3) notify the
Android reinforcement series-4. Learn to crack before reinforcement, and debug apk and androidapk without source code
[All Rights Reserved. For more information, see the source .]
The key java code of the project is to set TV to a string read from jni. The cracked content here is to dynamically debug and modify the character content that is finally displayed in TV from apk.
1. Tool Introduction
Apktool fo
* env);Change the Android.mk file under the Services/jni folder:Increase in Local_src_files:Com_android_server_gpioservice.cpp \To compile the Jni method:Make Target_product=am335xevm_sk-j8 omapes=4.xIf successful, the libandroid_servers.so is generatedOut/target/product/am335xevm_sk/obj/lib/libandroid_servers.so Once the Jni method has been compiled, the JNI method can be invoked via the
.(2), a variety of types of processing: Heavy Getitemtype () and Getviewtypecount (), in the GetView switch switching between different layouts, switching different holder, The content displayed on the UI is set according to different item.type. (3), load time, do not open threads every time, try to use the thread pool instead of opening each thread.(4), ListView scrolling Stop loading Picture:If you use Um
I. Summary
By accident, I saw this tutorial on Android Developers and made it step by step. Below is a record.
Ii. How to draw OpenGL ES in Android
To use OpenGL to draw images in Android applications, we must create a view container. The most direct method is implement.GLSurfaceViewAndGlsurfaceview. Renderer.The former is the container, and the latter controls
Android learning route (4) Build a simple UI
The Android Application's graphical user interface is constructed usingViewAndViewGroupHierarchical nesting of objects.ViewObjects are usually UI parts, such as buttons or text fields, andViewGroupIt is a container used to define how its sub-layout is arranged. It is usually invisible, such as a grid or a vertical list
Department of Famous Doors Android (4)-Activities (activity), services (service), broadcast (broadcast), broadcast receiver (Broadcastreceiver)
Introduced
Use activity, service, broadcast, broadcastreceiver in Android
Activity-Used to perform functions
Service-equivalent to running in the background
Broadcast (bro
Android applications. Samsung i9000 series (4). How superoneclick obtains root permissions
Papaya 20110408
I. Preface
After self-testing and analysis, the author concludes that the root permission is the most intuitive for Android phones.The most effective method is the superoneclick method!It has nothing to do with what jpe, jpd, jp8, and so on of the i9000 ba
4 data storage methods in Android:1.SharedPreference2.SQLite3.ContentProvider4.File 1.SharedPreference 1) Lightweight data storage mode a 2) is essentially an XML file that stores Key-value key-value pairs of data 3) to hold configuration information for an application's parameters/properties The Sharedpreference object itself can only fetch data without supp
that the PS2 mouse was used. However, Android did not use the PS2 mouse, but the touchscreen mouse was used, the device file is/Dev/input/event0. For details, see my blog: Android native C Development 3: mouse event (Mouse capture). After modification, the mouse can be processed;
4. The timer is implemented in UNIX;
5. multithreading uses the implementation of p
Android resolution image download: Soft reference must understand 4 pointsPerhaps for Android developers, the word soft reference is not very familiar, soft reference in Java development with more, but, in the development of Android reference soft reference, will solve a lot of problems.AD:1. Strong, soft, weak, and vi
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.