Problems you encounter when using the android Maps API to develop map applications and Solutions

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

How do I install APK from memory when Android has no SD card?

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

Use proguard in Android (favorites ).

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

Android calls WebService (weather forecast)

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

Problem: activity has leaked window Android. widget. relativelayout @ 407cd588 that was originally added here

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

Capture mobile video stream data in Android.

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

Operations on files such as Doc on Android platforms

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

Android ramdisk. IMG system. IMG userdata. img

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,

Share experiences with Android tablets

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

Mic sound perception of Android phones

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

Android path-second Android applet (Android SMS sending)

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"

Re-sign, modify the system time, Android. uid. System

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

SMS receiving-android MMS receiving process (Application Layer)

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

  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

Research on the android service notification activity update interface | service updates the UI through broadcast

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

Turn off the flashlight on Android (milestone 2.1)

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 (Android layout skills 1)

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

Simple Analysis of Android alarmclock alarm Application

Author: Xu jianxiang (netpirate@gmail.com)Date: 2010/01/06Web: http://www.anymobile.org 1/set a alarm clock1.1 update alarms. db1.2 update com. android. alarmclock_preferences.xml1.3 update Settings. System. NEXT_ALARM_FORMATTED for status bar1.4

Android Content Providers (1)

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

Conversion of wide character codes in Android NDK and icu library usage

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

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