SD Card Manager For Android & File Manager Master This SD card reader app allows you to browse all files and folders on your SD card or device. You can choose internal storage or external SD card memory to manage. Let you create directories, create files, copy, move, rename, delete, or...
//如果手机插入了SD卡,而且应用程序具有访问SD的权限if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){//获取SD卡的目录FilesdCardDir=Environment.getExternalStorageDirectory();FiletargetFile=newFile(sdCardDir.getCanonicalPath()+FILE_NAME);//以指定文件创建RandomAccessFile对象,第一...
import android.os.Bundle; import android.os.Environment; import android.support.v7.app.AppCompatActivity; import android.view.Menu; import android.view.MenuItem; import android.widget.TextView; import org.apache.http.util.EncodingUtils; import java.io.BufferedReader; import java.io.File; import ja...
平时我们需要在手机上面存储想音频,视频等等的大文件,以前学过使用File进行存储(使用File操作进行存储);由于考虑到手机本身的存储空间小,这时候我们需要把文件存储在SDcard中,今天自己也学习了一下在android进行sdcard的存储使用方法; 首先如果要在程序中使用sdcard进行存储,我们必须要在AndroidManifset.xml文件进行下面的...
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 接着我们在使用SDcard进行读写的时候 会用到Environment类下面的几个静态方法 1: getDataDirectory() 获取到Androi中的data数据目录 2:getDownloadCacheDirectory() 获取到下载的缓存目录 ...
USB C SD Card Reader 6 in 1 ,Portable Micro USB 3.0 Memory Card Reader Compatible with SD/Micro SD/TF/SDXC/SDHC/MMC/RS-MMC, Camera SD Card Adapter Support Windows, Linux, Mac OS, Android Save with Shipping, arrives in 2 days S...
Generally, second returned path would be the storage path for microSD card (if any). On my phone, second path returned was /storage/sdcard1/Android/data/your.application.package.appname/files after passing null as argument to getExternalFilesDirs (String type). But path may vary on differe...
Portable Credit Card Reader|Cf Express A Card Reader|Versatile Compatibility:Seamlessly connects with Android devices and laptops, ensuring universal usage. Portable Design:Lightweight and compact, this reader is ideal for on-the-go file access. ...
mTvSDFreeSize.setText(" SDCard 剩余大小MB: " + nSDFreeSize +"MB"); } } } importandroid.os.Bundle;importandroid.os.Environment;importandroid.support.v7.app.AppCompatActivity;importandroid.view.Menu;importandroid.view.MenuItem;importandroid.widget.TextView;importjava.io.BufferedReader;importjava...