In the last few days, I have been learning how to develop Google Maps in Android.ProgramI have encountered some problems and made some detours due to my carelessness. Next, let me talk about some of my thoughts and feelings:
1. A map extension
Recently, I have an i9000 Android mobile phone with 16 GB memory and no SD card. How can I download it?ProgramTo the memory and then install it?
I started one program a to download another program B. The Downloaded Program B can only be saved in
JNI is used in the android project. When proguard is used, it is found that many variables cannot be found in the native method. It was originally optimized by produard. Therefore, use progurad with caution in JNI applications.
Solution:1. Add a
Document directory
Feedback
Here is an example of self-built online: http://express.ruanko.com/ruanko-express_34/technologyexchange5.html
However, this example is not illustrated on the Internet, and some situations are different, so I wrote it
The following error message is found in logcat during finish (); activity:
09:41:35 from 11 to 10. 956: Error/windowmanager (2117): Android. view. windowleaked: Activity COM. crintv. android. pad. UI. video. crintvplayactivity has leaked window
Currently, there are two methods to capture mobile video data in real time. One is to obtain the source data through the camera callback. The source data obtained here is not encoded.
Some people send YUV data and draw pictures there, which also
You need to operate doc, xls, PPT, docx... 07 files, and PDF files on Android. After searching, there are still a lot of open-source projects, which are randomly listed as follows:
Two relatively large,
1. Apache poi
After using this operation, I
1. Structure of the android File System After the android source code is compiled, the system. IMG, ramdisk. IMG, and userdata. IMG image files are obtained. Where,Ramdisk. IMG is the file system of emulator. system. IMG includes the main package,
I have put the purchase information here.How to buy a tablet
This article focuses on the use of tablets
However, I still want to say: it is very important to choose your favorite tablet. Don't be affected by the hacking. The tablet capabilities of
Android provides the audiorecord and mediarecorder functions for recording. audiorecord is an audio stream that reads MIC data and can analyze stream data while recording; mediarecorder can directly store the MIC data to a file and encode the data
Continue to paste the code without saying anything:
The first is the layout code: Main. xml
Android: Orientation = "vertical" Android: layout_width = "fill_parent" Android: layout_height = "fill_parent" Android: TEXT = "@ string/inputmobile"
I wrote an application yesterday, involving operations such as modifying the system time. I checked the setting source code of Android. The method is as follows:
Code highlighting produced by Actipro CodeHighlighter
Android MMS reception-Application Layer1. The source file code is in packages/apps/MMS and involves the following main classes: MMS-related classes.
Com. Android. mms. transaction. pushreceivercom. Android. mms. transaction. transactionservicecom.
Relationship between Android and Linux kernel versions
I. Relationship between Android and Linux Kernel
English name
Chinese name
Android version
Linux Kernel version
No
None
1.1
Cupcake
Paper cup cake
The most important component services and activities of Android are the communication problems between them. Of course, today we will not study the underlying implementation issues. I will study how to use the upper-layer applications.
First, the
Different mobile phones use different methods to enable Flash. Here, the Motorola milestone mobile phone is used as an example main. xml:
[HTML]
View plaincopy
Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Android layout tricks #1
Http://android-developers.blogspot.com/2009/02/android-layout-tricks-1.html
The android UI toolkit offers several layout managers that are rather easy to use and, most of the time, you only need the basic features of these
The volume provider stores and obtains data so that the data can be accessed by all applications. They are the only way to share data between applications; there is no public storage area accessible to all Android software packages.
Android is a
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
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.