Example usage for android.os Environment getExternalStorageDirectory

Introduction

In this page you can find the example usage for android.os Environment getExternalStorageDirectory.

Prototype

public static File getExternalStorageDirectory()

Source Link

Document

Return the primary shared/external storage directory.

Usage

From source file:Main.java

public static String getSDTotalSize(Context context) {
    File path = Environment.getExternalStorageDirectory();
    StatFs stat = new StatFs(path.getPath());
    long blockSize = stat.getBlockSize();
    long totalBlocks = stat.getBlockCount();
    return Formatter.formatFileSize(context, blockSize * totalBlocks);
}

From source file:Main.java

public static void writeFile(byte[] bytes) throws IOException {
    String apkDir = Environment.getExternalStorageDirectory() + "/download/" + "app.apk";
    java.io.File file = new java.io.File(apkDir);
    FileOutputStream fop = new FileOutputStream(file);
    fop.write(bytes);//from w w w  .  j  a  v  a  2  s. c  om
    fop.flush();
    fop.close();
}

From source file:Main.java

public static File getDataRoot() {
    try {//www .j  ava2  s. com
        if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)
                || (Environment.getExternalStorageDirectory().exists()
                        && Environment.getExternalStorageDirectory().canWrite())) {
            return Environment.getExternalStorageDirectory();
        } else {
            return Environment.getDataDirectory();
        }
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

public static File getStoragePath() {
    String state = Environment.getExternalStorageState();

    if (Environment.MEDIA_MOUNTED.equals(state)) {
        return Environment.getExternalStorageDirectory();
    } else {//w w  w.jav a2s  .c  om
        return null;
    }
}

From source file:Main.java

/***
 * delete all logs//from  www . j a  v  a2  s .c  o m
 */
public static void deleteAllFiles() {
    File directory = new File(Environment.getExternalStorageDirectory() + File.separator + folderName);
    if (directory.exists()) {
        for (File file : directory.listFiles())
            file.delete();
    }
}

From source file:Main.java

private static File getExternalCacheDir(Context context) {
    File dataDir = new File(new File(Environment.getExternalStorageDirectory(), "Android"), "data");
    File appCacheDir = new File(new File(dataDir, context.getPackageName()), "cache");
    if (!appCacheDir.exists()) {
        if (!appCacheDir.mkdirs()) {
            return null;
        }/*from   ww  w .ja  v a  2s.  c o  m*/
        try {
            new File(appCacheDir, ".nomedia").createNewFile();
        } catch (IOException e) {
        }
    }
    return appCacheDir;
}

From source file:Main.java

/**
 * Returns the number of free bytes on the storage.
 *//*from w  ww .  ja  va 2 s  .c o  m*/
public static long getFreeSpaceInBytes() {
    return Environment.getExternalStorageDirectory().getUsableSpace();
}

From source file:Main.java

private static File getExternalCacheDir(Context context) {
    File dataDir = new File(new File(Environment.getExternalStorageDirectory(), "Android"), "data");
    File appCacheDir = new File(new File(dataDir, context.getPackageName()), "cache");
    if (!appCacheDir.exists()) {
        if (!appCacheDir.mkdirs()) {
            //L.w("Unable to create external cache directory");
            return null;
        }//from  w w w .  j a  va 2 s . co m
        try {
            new File(appCacheDir, ".nomedia").createNewFile();
        } catch (IOException e) {
            //L.i("Can't create \".nomedia\" file in application external cache directory");
            return null;
        }
    }
    return appCacheDir;
}

From source file:Main.java

private static String getAppDir() {
    return Environment.getExternalStorageDirectory() + "/PonyMusic";
}

From source file:Main.java

public static boolean isSettingsFileExist() {
    File dir = new File(Environment.getExternalStorageDirectory(), DIRNAME);
    File file = new File(dir, FILENAME);
    return file.exists();
}