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 whether the sdcard is available
 * @return True if the sdcard is available, otherwise return false
 *///from  ww  w  .  j  av a2 s .c  o m
public static boolean sdcardIsAvailable() {
    return Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
}

From source file:Main.java

/**
 * obtain /sdcard/Android/data/[packagename]/files
 *//*from  www .  j a va2 s  . com*/
public static String getSdFilesDir(Context context) {
    //TODO: check permission?
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        File filesDir = context.getExternalFilesDir(null);
        if (filesDir != null) {
            return filesDir.getAbsolutePath();
        } else {
            return "";
        }
    } else {
        return "";
    }
}

From source file:Main.java

public static File getDiskCacheDir(Context context, String uniqueName) {
    final String cachePath = Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())
            ? getExternalCacheDir(context).getPath()
            : context.getCacheDir().getPath();

    return new File(cachePath + File.separator + uniqueName);
}

From source file:Main.java

public static String getFile(@NonNull Context context) {
    File savedir = null;/*from   ww w .  j  a  v  a2  s.c  o m*/
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        savedir = context.getExternalFilesDir(null);
    }

    if (savedir == null) {
        savedir = context.getFilesDir();
    }

    if (!savedir.exists()) {
        savedir.mkdirs();
    }
    return savedir.getAbsolutePath();
}

From source file:Main.java

public static boolean isSDCardPresent(final Activity a) {
    String storageState = Environment.getExternalStorageState();
    return storageState.equals(Environment.MEDIA_MOUNTED);
}

From source file:Main.java

@SuppressWarnings("WeakerAccess")
public static File getAppCacheDir(Context context) {
    File appCacheDir = null;/*from w  w  w.  jav  a  2s  .  c om*/
    if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        appCacheDir = context.getExternalCacheDir();
    }
    if (appCacheDir == null) {
        appCacheDir = context.getCacheDir();
    }
    return appCacheDir;
}

From source file:Main.java

/**
 * @return {@code true} if external storage is available and writable. {@code false} otherwise.
 *///  w w w . j  av  a  2  s  .c o m
public static boolean isExternalStorageAvailable() {
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state)) {
        return true;
    }
    return false;
}

From source file:Main.java

public static String getRootFolder(@NonNull Context context) {
    String rootPath = null;/*w w w .j a  v  a2  s .  c  o m*/

    if (android.os.Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
        rootPath = Environment.getExternalStorageDirectory().getAbsolutePath();
    } else {
        rootPath = context.getFilesDir().getAbsolutePath();
    }
    return rootPath;
}

From source file:Main.java

/**
 * clean external cache(/mnt/sdcard/android/data/com.xxx.xxx/cache)
 *
 * @param context/*from   w  ww  . j a va2s  .c o  m*/
 */
public static void cleanExternalCache(Context context) {
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        deleteFilesInDirectory(context.getExternalCacheDir());
    }
}

From source file:Main.java

public static File getCacheFile(@NonNull Context context, @NonNull String fileName) {
    File savedir = null;/* w ww  . j ava 2s. c om*/
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        savedir = new File(context.getExternalCacheDir(), fileName);
    }

    if (savedir == null) {
        savedir = new File(context.getCacheDir(), fileName);
    }

    if (!savedir.exists()) {
        savedir.mkdirs();
    }
    return savedir;
}