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Compilation and summary of various Android. mk files and android. mk files
I. source code compilation
1.1 so pre-Compilation
LOCAL_PATH:= $(call my-dir)include $(CLEAR_VARS)LOCAL_MODULE := libAppAreaLOCAL_SRC_FILES :=libAppArea.soLOCAL_MODULE_TAGS := optionalLOCAL_MODULE_CLASS := SHARED_LIBRARIESLOCAL_MODULE_SUFFIX:=$(
reports an error. If assetmanager or resources classes method is used to obtain inputstream, a java. Io. ioexception is thrown as follows: Debug/asset (1123): Data exceeds uncompress_data_max.Solution to 12.1 large files1. Change the suffix of your resource file to aapt to ignore the suffix of the compressed file.2. Use the-0 parameter on the command line to specify the file suffix that does not require compression. For detailed configuration, see the aapt help documentation.3. Divide the resou
1. Because you need to delete files, you need the following permissions:
2. Core Code
Copy Code code as follows:
Package Com.example.deleteyoumi;
Import Java.io.File;
Import Android.os.Bundle;
Import Android.os.Handler;
Import Android.os.Message;
Import android.app.Activity;
Import Android.view.Menu;
Import Android.view.View;
Import Android.view.View.OnClickListener;
Import Android.widget.Button;
Import Android.widget.Toast;
when creating a project, the assets file is created by default, of course, we can also create raw folders under the res file, which can store some images, audio or text information, it can be used in Program , but there are also differences between them.
files under assets are not compiled and can be accessed through paths. Raw files are automatically compiled. You can find the corresponding ID in the
[Android Notes] Android calculates the folder size, deletes all files in the folder, and android notes
1. Get the folder size:
1/** 2 * Get the folder size 3 * @ param file File instance 4 * @ return long 5 */6 public static long getFolderSize (java. io. file file) {7 8 long size = 0; 9 try {10 java. io. file [] fileLi
This article illustrates the problem of video files in Android playback assets files. Share to everyone for your reference, specific as follows:
Today did a function, is to play the project inside the video file, not playing SD card video files.
I started trying to put the video
As we iterate through the project, we often enable certain features or modify some of the interface's problems, so the problem is that there is a lot of redundancy. java files, redundant resource files, some redundant interface files, etc. So if the problem arises, then how to solve it, this is the focus of today to solve the problem?FirstEclipse has a plugin to
Next to the previous article "android uploads files to the Web server, PHP receives files (1)". This time, the progress is displayed based on the previous steps. The Java code is as follows:
Package COM. lenovo. uptest; import Java. io. datainputstream; import Java. io. dataoutputstream; import Java. io. file; import Java. io. fileinputstream; import java.net. h
1. Because you need to delete files, you need the following permissions::
2. Core code
Copy codeThe Code is as follows: package com. example. deleteyoumi;
Import java. io. File;
Import android. OS. Bundle;
Import android. OS. Handler;
Import android. OS. Message;
Import android
. listview_animation2); arrayadapter
Animation2.xml layout file:
Animation declaration file:
Scale_anim.xml
Animation associated files:
Animation2_drawable.xml
The comments in the Code have been quite clear, so I will not say much. Note that in the layout file, the positions of the animation declaration file and the animation associated file are all in the Res/anim folder.
The above only shows a scaling animation. What other common animations do
Help a netizen to solve the problem of the R file can not be generated, collected some materials special finishing as follows, beginners refer to others code is very easy to appear this kind of problem, is generally an XML file error, can not be correctly parsed.The Gen directory could not be updated, or the R.java file in the Gen directory could not be generated1, the use of the Gen directoryThe Android Gen Directory R.java is not created by the user
First:
Of course, you cannot see the dynamic animation effect here. Of course, if you run the author's code, you can naturally see the animation effect. The effect here is the animation effect that is presented to us before each item in our list is finally displayed as shown in.
Let's take a look at the activity code:
Package cn.com. chenzheng_java.animation;
Animation2.xml layout file:
Animation declaration file:
Scale_anim.xml
Animation associated
[Abstract] this article explains how to parse XML files and generate XML files in Android. it is helpful for learning Android programming technology and can be shared with you. Parse XML files
public static void initXML(Context context) { //can't create in /data/medi
-disposition:form-data; Name= "File"; Filename= "Storage/emulated/0/test.jpg" content-transfer-encoding: Binary here is the binary data of the picture file--O3FHJ53Z-OKTODUAELFBANU4PZHP4---See familiar, this is the post message format we mentioned at the beginning of the article. That's right! Httpentity is the message format that is responsible for constructing the parameters into HTTP, what format the text parameter is, what format the file is in, and what type, and these formats are fixed. On
Android pull parses xml files and androidpull parses xml files
In the android system, many resource files are in xml format. In the android system, the xml is parsed using the pul parser, it is the same as sax parsing (I personall
Android development: several methods of merging files, android
The following describes how to merge files, and introduces the specific process of merging files by merging amr files. The file header in amr format is 6 bytes. Theref
Android uses a file system similar to disk-based file systems on other platforms. This article describes how to use the Android file system to read and write files through the file API.The File object is suitable for reading or writing large amounts of data in the order from start to finish without skipping. For example, it is suitable for picture
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