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Android reads the contents of the assets file, usually using the Getasset.open () method, and passing the path of the file as a parameter, and when we parse the file in a directory when we need to parse it, for example: the contents of the A.txt
Original URL: http://blog.csdn.net/whu_zhangmin/article/details/25364349When your phone is connected to your PCADB shellSuRm-r/system/app/launcher2.apkTip: RM failed for/system/app/launcher2.apk, read-only file systemWorkaround:Mount-o remount Rw/systemWhich is to re-mount the/system partition as a read-write partitionIf you want to revert to
Recently, I am working on Android-ndk development. Because of the need to involve the dynamic library (SO) issue, I need to read and write mobile phone files. I found that the mobile phone file system did not allow writing and I searched for it.
Solution:
Enter $ mount on the terminal
1:
It can be found that only the re
Read the file data in the assets
is = getResources().getAssets() .open("读取的文件名"); new InputStreamReader(is,"utf-8"); new BufferedReader(isr); string=""; while ((stringnull) { System.out.println(string); }
Read
Set the registry default character, you can solve the Chinese garbled problem.' Dbfdefault ' Setup method1. Start-run, enter "Regedit" to open the registry.2. If you are using the 10.x version of ArcGIS Desktop, navigate to "My Computer\hkey_current_user\software\esri\desktop 10.x" (if it is a previous version of 9.3.1, navigate to ' my Computer\hkey_current_user\software\esri ').3. Create the item ' Common ', then create ' CodePage ' entry, add ' string ', Name: Dbfdefault, Health value: UTF-8.
File to save the data, save the path to/data/data/1 Public voidSave () {2String data = "Data to save";3FileOutputStream out =NULL;4BufferedWriter writer =NULL;5 Try {6out = Openfileoutput ("Data"), context.mode_private);7writer =NewBufferedWriter (NewOutputStreamWriter (out));8 writer.write (data);9}Catch(IOException e) {Ten e.printstacktrace (); One}finally { A Try { - if(Writer! =NULL) { - writer.close (); the } -}Catch(IOException
We often need access to the contents of the SD card in the development of Android, and because there are so many files, we want to search the SD card. This article gives an example of an Android development that demonstrates how to search for files in an SD card.
Instance interface
First let's see what the interface looks like when the program is running:
Se
This example describes the usage of resource files in Android. Share to everyone for your reference, specific as follows:
Use of resource files between XML files
Reference format:
Attribute= "@[packagename:]resourcetype/resourceidentifier"
Example
There are Strings.xml, Color.xml, dimen.xml files, using the parameters in them
Ii. r
Unlike liblog. So, Android does not directly open libsqlite. So for external use.
Although Android provides a Java interface for accessing SQLite, you need to access SQLite using C language in ndk.There are two methods:
First, use the source code sqlite3.h and sqlite3.c.Download the SQLite. Git library from the android
The example in this article describes how Android uses a vcard file. Share to everyone for your reference, specific as follows:
FileOutputStream OS = null; try {os = VCardTest.this.openFileOutput ("android.vcf", mode_private);} catch (FileNotFoundException E1) {//TODO Au
To-generated Catch block E1.printstacktrace ();
} OutputStreamWriter writer;
try {wri
combination with the example above, the Activity gets the focus when it enters the CustomViewActivity. At this time, the Activity will request the system to draw its layout, this request is processed using the Android framework, provided that CustomViewActivity must provide the root node of the layout, from CustomViewActivity. java shows that this Activity provides R. layout. customview_layout, and the roo
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