Android Utililty Methods SDCard Check

List of utility methods to do SDCard Check

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Description

The list of methods to do SDCard Check are organized into topic(s).

Method

booleanhasMountSDCard()
Detect whether SD card has mounted or not. 
return android.os.Environment.getExternalStorageState().equals(
        android.os.Environment.MEDIA_MOUNTED);
longgetExternalStorageFreeSize()
Obtain SD card free size. 
final StatFs statfs = new StatFs(Environment
        .getExternalStorageDirectory().getAbsolutePath());
final long availableBlocks = statfs.getAvailableBlocks();
final long blockSize = statfs.getBlockSize();
return availableBlocks * blockSize;
longgetExternalStorageTotalSize()
Obtain SD card total size. 
final StatFs statfs = new StatFs(Environment
        .getExternalStorageDirectory().getAbsolutePath());
final long blockCount = statfs.getBlockCount();
final long blockSize = statfs.getBlockSize();
return blockCount * blockSize;
voidgenerateLogOnSD(String sBody, String fileName, String folderName)
public static void generateLogOnSD(String sBody, String fileName, String folderName)

this method can be used to write file on sd card. 
try {
    Log.d(TAG, "inside generateLogOnSD");
    if (isExternalStoragePresent()) {
        File file = new File(
                Environment.getExternalStorageDirectory(),
                folderName);
        if (!file.exists()) {
            file.mkdirs();
...
StringgetDataFilesDir(Context c)
get Data Files Dir 
return c.getFilesDir().getAbsolutePath() + File.separator;
StringgetSDPath()
get SD Path 
String path = null;
if (hasSdcard()) {
    File f = Environment.getExternalStorageDirectory();
    path = f.toString();
return path;
StringgetSdCacheDir(Context context)
get Sd Cache Dir 
if (Environment.getExternalStorageState().equals(
        Environment.MEDIA_MOUNTED)) {
    java.io.File fExternalStorageDirectory = Environment
            .getExternalStorageDirectory();
    java.io.File autonaviDir = new java.io.File(
            fExternalStorageDirectory, "amapsdk");
    boolean result = false;
    if (!autonaviDir.exists()) {
...
StringgetSdcardFilesDir(Context c)
get Sdcard Files Dir 
return c.getExternalFilesDir(null).getAbsolutePath()
        + File.separator;
booleanhasSdcard()
has Sdcard 
String status = Environment.getExternalStorageState();
if (status.equals(Environment.MEDIA_MOUNTED))
    return true;
else
    return false;
booleanisSDCardPresent()
is SD Card Present 
return android.os.Environment.getExternalStorageState().equals(
        android.os.Environment.MEDIA_MOUNTED);