Example usage for android.os Environment getExternalStorageState

Introduction

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

Prototype

public static String getExternalStorageState()

Source Link

Document

Returns the current state of the primary shared/external storage media.

Usage

From source file:Main.java

/**
 * Check is SD card is ready for write// w  w w  .ja va2s.co m
 * 
 * @return
 */
public static boolean isSDWritable() {
    String state = Environment.getExternalStorageState();
    return Environment.MEDIA_MOUNTED.equals(state);
}

From source file:Main.java

public static void WriteStringToSD(String fileName, String content) {
    Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
    File file = new File(Environment.getExternalStorageDirectory(), fileName);
    try {/*from  w w  w .  j  a v  a 2 s .  c  o m*/
        FileOutputStream fos = new FileOutputStream(file, true);
        fos.write(content.getBytes());
        fos.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

public static boolean isCanUseSD() {
    try {/*from w  ww.j  a v  a2 s.  c o m*/
        return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
    } catch (Exception e) {
        e.printStackTrace();
    }

    return false;
}

From source file:Main.java

/**
 * @return True if the external storage is writable. False otherwise.
 *///from  www.  ja  va 2  s. co m
public static boolean isWritable() {
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state)) {
        return true;
    }
    return false;
}

From source file:Main.java

public static boolean existExternalStorageDirectory() {
    if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())
            && Environment.getExternalStorageDirectory().canWrite()) {

        return true;
    }//from  www .  j a va2 s . co  m

    return false;
}

From source file:Main.java

public static String dstPath(Context context) {
    String cachePath;/*  w  w w. j  a va2 s.  co m*/
    if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        cachePath = context.getExternalCacheDir().getPath();
    } else {
        cachePath = context.getCacheDir().getPath();
    }
    return cachePath;
}

From source file:Main.java

public static File getDiskCacheDir(Context context) {
    if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())
            || !Environment.isExternalStorageRemovable()) {
        return context.getExternalCacheDir();
    } else {/*  w  w w .j  a v a2s  .  c  om*/
        return context.getCacheDir();
    }
}

From source file:Main.java

public static boolean isExternalStorageMounted() {

    boolean canRead = Environment.getExternalStorageDirectory().canRead();
    boolean onlyRead = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED_READ_ONLY);
    boolean unMounted = Environment.getExternalStorageState().equals(Environment.MEDIA_UNMOUNTED);

    return !(!canRead || onlyRead || unMounted);
}

From source file:Main.java

private static String createDir(String path) {
    boolean isHaveSDCard = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
    if (!isHaveSDCard) {
        return null;
    }/*  w w  w . j  a  va  2  s .  c o m*/
    File directory = Environment.getExternalStorageDirectory();
    File file = new File(directory.getAbsolutePath() + path);
    if (!file.exists()) {
        boolean isSuccess = file.mkdirs();
        if (isSuccess) {
            return file.getPath() + File.separator;
        } else {
            return null;
        }
    }
    return file.getPath() + File.separator;
}

From source file:Main.java

/**
 * Checks if external storage is available for read and write
 *///w w  w. j a  va 2 s. c  o  m
public static boolean isExternalStorageWritable() {
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state)) {
        return true;
    }
    return false;
}