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

/**
 * Checks whether the filename looks legitimate
 *//*from   w w  w. j a  v a 2 s  .com*/
public static boolean isFilenameValid(String filename) {
    filename = filename.replaceFirst("/+", "/"); // normalize leading
    // slashes
    return filename.startsWith(Environment.getDownloadCacheDirectory().toString())
            || filename.startsWith(Environment.getExternalStorageDirectory().toString());
}

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From source file:Main.java

public static String getPath(final Context context, final Uri uri) {

    final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

    // DocumentProvider
    if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
        // ExternalStorageProvider
        if (isExternalStorageDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            if ("primary".equalsIgnoreCase(type)) {
                return Environment.getExternalStorageDirectory() + "/" + split[1];
            }/*from  w  w  w  .  j a va 2 s .  c  o m*/

        }
        // DownloadsProvider
        else if (isDownloadsDocument(uri)) {

            final String id = DocumentsContract.getDocumentId(uri);
            final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(id));

            return getDataColumn(context, contentUri, null, null);
        }
        // MediaProvider
        else if (isMediaDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            Uri contentUri = null;
            if ("image".equals(type)) {
                contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            } else if ("video".equals(type)) {
                contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
            } else if ("audio".equals(type)) {
                contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
            }

            final String selection = "_id=?";
            final String[] selectionArgs = new String[] { split[1] };

            return getDataColumn(context, contentUri, selection, selectionArgs);
        }
    }
    // MediaStore (and general)
    else if ("content".equalsIgnoreCase(uri.getScheme())) {
        return getDataColumn(context, uri, null, null);
    }
    // File
    else if ("file".equalsIgnoreCase(uri.getScheme())) {
        return uri.getPath();
    }

    return null;
}

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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()) {
            Log.w("SU", "Unable to create external cache directory");
            return null;
        }//from ww w  .j  a  va 2  s .c  om
        try {
            new File(appCacheDir, ".nomedia").createNewFile();
        } catch (IOException e) {
            Log.w("SU", "Can't create \".nomedia\" file in application external cache directory");
        }
    }
    return appCacheDir;
}

---

From source file:Main.java

public static File getTempFile(Context context) {
    //It will return /sdcard/image.tmp
    final File path = new File(Environment.getExternalStorageDirectory(), context.getPackageName());
    if (!path.exists()) {
        path.mkdir();/* w  w  w  .j  a va2  s.c o m*/
    }
    return new File(path, "image.tmp");
}

---

From source file:Main.java

@TargetApi(19)
public static String getImageAbsolutePath(Context context, Uri imageUri) {
    if (context == null || imageUri == null)
        return null;
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT
            && DocumentsContract.isDocumentUri(context, imageUri)) {
        if (isExternalStorageDocument(imageUri)) {
            String docId = DocumentsContract.getDocumentId(imageUri);
            String[] split = docId.split(":");
            String type = split[0];
            if ("primary".equalsIgnoreCase(type)) {
                return Environment.getExternalStorageDirectory() + "/" + split[1];
            }/*from w ww .  j  a v  a 2 s  . c  o m*/
        } else if (isDownloadsDocument(imageUri)) {
            String id = DocumentsContract.getDocumentId(imageUri);
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(id));
            return getDataColumn(context, contentUri, null, null);
        } else if (isMediaDocument(imageUri)) {
            String docId = DocumentsContract.getDocumentId(imageUri);
            String[] split = docId.split(":");
            String type = split[0];
            Uri contentUri = null;
            if ("image".equals(type)) {
                contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            } else if ("video".equals(type)) {
                contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
            } else if ("audio".equals(type)) {
                contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
            }
            String selection = MediaStore.Images.Media._ID + "=?";
            String[] selectionArgs = new String[] { split[1] };
            return getDataColumn(context, contentUri, selection, selectionArgs);
        }
    } // MediaStore (and general)
    else if ("content".equalsIgnoreCase(imageUri.getScheme())) {
        // Return the remote address
        if (isGooglePhotosUri(imageUri))
            return imageUri.getLastPathSegment();
        return getDataColumn(context, imageUri, null, null);
    }
    // File
    else if ("file".equalsIgnoreCase(imageUri.getScheme())) {
        return imageUri.getPath();
    }
    return null;
}

---

From source file:Main.java

public static String getPath(final Context context, final Uri uri) {

    final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

    // DocumentProvider
    if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
        // ExternalStorageProvider
        if (isExternalStorageDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            if ("primary".equalsIgnoreCase(type)) {
                return Environment.getExternalStorageDirectory() + "/" + split[1];
            }/*w w w .j  a va  2  s. c  om*/

            // TODO handle non-primary volumes
        }
        // DownloadsProvider
        else if (isDownloadsDocument(uri)) {

            final String id = DocumentsContract.getDocumentId(uri);
            final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(id));

            return getDataColumn(context, contentUri, null, null);
        }
        // MediaProvider
        else if (isMediaDocument(uri)) {
            final String docId = DocumentsContract.getDocumentId(uri);
            final String[] split = docId.split(":");
            final String type = split[0];

            Uri contentUri = null;
            if ("image".equals(type)) {
                contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            } else if ("video".equals(type)) {
                contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
            } else if ("audio".equals(type)) {
                contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
            }

            final String selection = "_id=?";
            final String[] selectionArgs = new String[] { split[1] };

            return getDataColumn(context, contentUri, selection, selectionArgs);
        }
    }
    // MediaStore (and general)
    else if ("content".equalsIgnoreCase(uri.getScheme())) {

        // Return the remote address
        if (isGooglePhotosUri(uri))
            return uri.getLastPathSegment();

        return getDataColumn(context, uri, null, null);
    }
    // File
    else if ("file".equalsIgnoreCase(uri.getScheme())) {
        return uri.getPath();
    }

    return null;
}

---

From source file:Main.java

public static File getDownloadDir() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) {
        return getDownloadDir_Froyo();
    }/*  w w  w . j a  va 2  s  .  c om*/
    return new File(Environment.getExternalStorageDirectory() + "/downloads");
}

---

From source file:Main.java

@TargetApi(19)
public static String getImageAbsolutePath(Activity context, Uri imageUri) {
    if (context == null || imageUri == null)
        return null;
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT
            && DocumentsContract.isDocumentUri(context, imageUri)) {
        if (isExternalStorageDocument(imageUri)) {
            String docId = DocumentsContract.getDocumentId(imageUri);
            String[] split = docId.split(":");
            String type = split[0];
            if ("primary".equalsIgnoreCase(type)) {
                return Environment.getExternalStorageDirectory() + "/" + split[1];
            }//from  w w w.j  a  va  2  s . co m
        } else if (isDownloadsDocument(imageUri)) {
            String id = DocumentsContract.getDocumentId(imageUri);
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(id));
            return getDataColumn(context, contentUri, null, null);
        } else if (isMediaDocument(imageUri)) {
            String docId = DocumentsContract.getDocumentId(imageUri);
            String[] split = docId.split(":");
            String type = split[0];
            Uri contentUri = null;
            if ("image".equals(type)) {
                contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
            } else if ("video".equals(type)) {
                contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
            } else if ("audio".equals(type)) {
                contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
            }
            String selection = MediaStore.Images.Media._ID + "=?";
            String[] selectionArgs = new String[] { split[1] };
            return getDataColumn(context, contentUri, selection, selectionArgs);
        }
    } // MediaStore (and general)
    else if ("content".equalsIgnoreCase(imageUri.getScheme())) {
        // Return the remote address
        if (isGooglePhotosUri(imageUri))
            return imageUri.getLastPathSegment();
        return getDataColumn(context, imageUri, null, null);
    }
    // File
    else if ("file".equalsIgnoreCase(imageUri.getScheme())) {
        return imageUri.getPath();
    }
    return null;
}

---

From source file:Main.java

public static String getPhotoPathFromContentUri(Context context, Uri uri) {
    String photoPath = "";
    if (context == null || uri == null) {
        return photoPath;
    }//from www. j  a  v  a2 s.c  o  m

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && DocumentsContract.isDocumentUri(context, uri)) {
        String docId = DocumentsContract.getDocumentId(uri);
        if (isExternalStorageDocument(uri)) {
            String[] split = docId.split(":");
            if (split.length >= 2) {
                String type = split[0];
                if ("primary".equalsIgnoreCase(type)) {
                    photoPath = Environment.getExternalStorageDirectory() + "/" + split[1];
                }
            }
        } else if (isDownloadsDocument(uri)) {
            Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
                    Long.valueOf(docId));
            photoPath = getDataColumn(context, contentUri, null, null);
        } else if (isMediaDocument(uri)) {
            String[] split = docId.split(":");
            if (split.length >= 2) {
                String type = split[0];
                Uri contentUris = null;
                if ("image".equals(type)) {
                    contentUris = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUris = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUris = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }
                String selection = MediaStore.Images.Media._ID + "=?";
                String[] selectionArgs = new String[] { split[1] };
                photoPath = getDataColumn(context, contentUris, selection, selectionArgs);
            }
        }
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        photoPath = uri.getPath();
    } else {
        photoPath = getDataColumn(context, uri, null, null);
    }

    return photoPath;
}

---

From source file:Main.java

public static String assetToSd(Context ctx, String inFileName, String outFileName) {

    try {/*  w  w  w  . ja  v a 2 s  . com*/
        InputStream is = ctx.getAssets().open(inFileName);
        if (is == null) {
            return null;
        }

        if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
            String sd = Environment.getExternalStorageDirectory().getAbsolutePath();
            String path = sd + "/uexTencent/";
            File filePath = new File(path);
            if (!filePath.exists()) {
                filePath.mkdirs();
            }
            String fileName = path + outFileName;
            FileOutputStream fos = new FileOutputStream(fileName);

            byte[] buf = new byte[1024];
            int len = 0;
            int total = 0;
            while ((len = is.read(buf)) != -1) {
                fos.write(buf, 0, len);
                total++;
            }
            is.close();
            fos.close();
            fileSize = total;
            return fileName;
        }

    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

---

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