Starting point:Traditional game simulators (FC, Neo, FBA, GBA, Mame, n64, NDS, and PSP) are all moved to Android phones, the game Rom is then saved to the SD card and run through the simulator. However, considering that mobile games must follow the fast forward and fast forward principles, I have implemented the following micro-innovations on this basis:
1. directly put the game Rom in the android APK, clic
How to determine files? You can use Cursor to traverse the database and compare the value of the INTERNAL_CONTENT_URI field. This is a Uri, which stores the complete path of the multimedia file on the Android mobile phone SD card.
[Java]
Copy codeThe Code is as follows: Uri originalUri = MediaStore. Images. Media. EXTERNAL_CONTENT_URI;
// If it is a Video, it is MediaStore. Video. Media. EXTERNAL_CONTENT_UR
The following is a tool class. It uses recursion to scan the APK file on the SD card to determine whether the application has been installed on the mobile phone. If so, it determines whether the application can be upgraded. DetailsCodeAs follows:
/*** Obtain the APK File Information class on the mobile phone, mainly to determine whether or not to install it on the mobile phone, the installed version
Video Recording on ipcamera devices can be divided into three modes: mobile detection video, schedule video, and manual video recording. Generally, the video recording of mobile detection is not a long time, which is about several dozen seconds. Such a video file can be stored on ramdisk and is only a temporary file, it can be automatically deleted after being sent to the user by email or other means. Therefore, you do not need an SD
When the Android system is started, it will automatically detect the SD card files and collect music files to generate a database file. We only need to access the information in the database table to obtain the required File Code as follows:
Obtain the cursor object to access the media resources in the cursor.
If (cursor. moveToFirst () {do {String title = cursor. getString (cursor. getColumnIndex (MediaSt
This article describes how to save the image resources of android Assets to the SD card. If you are interested, refer to the following:Copy codeThe Code is as follows:
Public class ReadBitmap {Public void readByte (Context c, String name, int indexInt ){Byte [] B = null;Int [] intArrat = c. getResources (). getIntArray (indexInt );Try {AssetManager am = null;Am = c. getAssets ();InputStream is = am. open (n
Mobile phone storage and SD card of all storage devices mounted to Android devicesObtain all memory attached to an Android device
The android system provides Environment. the getExternalStorageDirectory () interface obtains the path of the storage. However, this interface does not always give us the desired result. On some devices, it returns the internal storage of the mobile phone, the external storage of
The Android program function Copies files in the assets folder to the SD card (including subfolders) of the mobile phone and androidassets.
Recently, the function is to copy all files (including sub-files) in the asset folder to the specified directory. The method used is nothing more than AssetManager. However, the problem here is that both subfolders and subfolders must be copied. I went to Google on the
1. In standby mode, click the "Application" icon and select "Settings".2. Slide up the screen, click "Application" and select "Manage Application".3. Click "All", slide up the screen, select the application that needs to be moved, here take "QQ" as an example.4. Click "Transfer to USB memory".Note: Not all software can be moved. If the software can be moved, "Transfer to USB memory" Here is optional, and if the software cannot be moved, "Transfer to USB memory" here is grayed out and cannot be s
The way to back up a multimedia file is as follows: "Picture" for example.1. In standby mode, click "Application".
2. Click on "My Files".
3. Click "Picture".
4. Select the path of the picture, here to select "Camera" as an example, and will need to back up the picture hook.
5. Click on the "Three Fonts" menu icon in the upper right corner and select "Copy".
6. Select "Extsdcard" and click "Sticky Post".
After the above o
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