Example usage for android.media ExifInterface getLatLong

Introduction

In this page you can find the example usage for android.media ExifInterface getLatLong.

Prototype

public boolean getLatLong(float output[]) 

Source Link

Document

Stores the latitude and longitude value in a float array.

Usage

From source file:Main.java

public static boolean hasGPSInfo(String path) {

    try {/*from   ww w .  j a va  2  s  . c o m*/
        ExifInterface exf = new ExifInterface(path);
        float[] latlnt = new float[2];
        exf.getLatLong(latlnt);
        if (latlnt[0] <= 0 || latlnt[1] <= 0) {
            return false;
        }
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
    return true;
}

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From source file:Main.java

public static float[] getGeoLocationFromPhoto(String photo_path) {
    ExifInterface exif;
    float latlong[] = { (float) 0.0, (float) 0.0 };
    try {//from w  w w . j a  v a2 s  . c  o  m
        exif = new ExifInterface(photo_path);
        exif.getLatLong(latlong);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return latlong;
}

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From source file:com.google.android.apps.muzei.gallery.GalleryArtSource.java

private void ensureMetadataExists(@NonNull Uri imageUri) {
    Cursor existingMetadata = getContentResolver().query(GalleryContract.MetadataCache.CONTENT_URI,
            new String[] { BaseColumns._ID }, GalleryContract.MetadataCache.COLUMN_NAME_URI + "=?",
            new String[] { imageUri.toString() }, null);
    if (existingMetadata == null) {
        return;/*from  ww  w.  ja  va 2 s. co m*/
    }
    boolean metadataExists = existingMetadata.moveToFirst();
    existingMetadata.close();
    if (!metadataExists) {
        // No cached metadata or it's stale, need to pull it separately using Exif
        ContentValues values = new ContentValues();
        values.put(GalleryContract.MetadataCache.COLUMN_NAME_URI, imageUri.toString());

        InputStream in = null;
        try {
            ExifInterface exifInterface;
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                in = getContentResolver().openInputStream(imageUri);
                exifInterface = new ExifInterface(in);
            } else {
                File imageFile = GalleryProvider.getLocalFileForUri(this, imageUri);
                if (imageFile == null) {
                    return;
                }
                exifInterface = new ExifInterface(imageFile.getPath());
            }
            String dateString = exifInterface.getAttribute(ExifInterface.TAG_DATETIME);
            if (!TextUtils.isEmpty(dateString)) {
                Date date = sExifDateFormat.parse(dateString);
                values.put(GalleryContract.MetadataCache.COLUMN_NAME_DATETIME, date.getTime());
            }

            float[] latlong = new float[2];
            if (exifInterface.getLatLong(latlong)) {
                // Reverse geocode
                List<Address> addresses = mGeocoder.getFromLocation(latlong[0], latlong[1], 1);
                if (addresses != null && addresses.size() > 0) {
                    Address addr = addresses.get(0);
                    String locality = addr.getLocality();
                    String adminArea = addr.getAdminArea();
                    String countryCode = addr.getCountryCode();
                    StringBuilder sb = new StringBuilder();
                    if (!TextUtils.isEmpty(locality)) {
                        sb.append(locality);
                    }
                    if (!TextUtils.isEmpty(adminArea)) {
                        if (sb.length() > 0) {
                            sb.append(", ");
                        }
                        sb.append(adminArea);
                    }
                    if (!TextUtils.isEmpty(countryCode) && !sOmitCountryCodes.contains(countryCode)) {
                        if (sb.length() > 0) {
                            sb.append(", ");
                        }
                        sb.append(countryCode);
                    }
                    values.put(GalleryContract.MetadataCache.COLUMN_NAME_LOCATION, sb.toString());
                }
            }

            getContentResolver().insert(GalleryContract.MetadataCache.CONTENT_URI, values);
        } catch (ParseException e) {
            Log.w(TAG, "Couldn't read image metadata.", e);
        } catch (IOException e) {
            Log.w(TAG, "Couldn't write temporary image file.", e);
        } finally {
            if (in != null) {
                try {
                    in.close();
                } catch (IOException ignored) {
                }
            }
        }
    }
}

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From source file:org.jraf.android.piclabel.app.form.FormActivity.java

protected ImageInfo extractImageInfo(File file) {
    ImageInfo res = new ImageInfo();
    ExifInterface exifInterface = null;
    try {//from   w w w.ja v  a2  s  .c  o  m
        exifInterface = new ExifInterface(file.getPath());
    } catch (IOException e) {
        Log.e(TAG, "extractImageInfo Could not read exif", e);
    }

    // Date
    String dateTimeStr = null;
    if (exifInterface != null)
        dateTimeStr = exifInterface.getAttribute(ExifInterface.TAG_DATETIME);
    if (TextUtils.isEmpty(dateTimeStr)) {
        // No date in exif: use 'local' date
        res.dateTime = DateUtils.formatDateTime(this, System.currentTimeMillis(), DateUtils.FORMAT_SHOW_DATE
                | DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_SHOW_YEAR);
        res.isLocalDateTime = true;
    } else {
        res.dateTime = parseExifDateTime(dateTimeStr);
        if (res.dateTime == null) {
            // Date in exif could not be parsed: use 'local' date
            DateUtils.formatDateTime(this, System.currentTimeMillis(), DateUtils.FORMAT_SHOW_DATE
                    | DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_SHOW_YEAR);
            res.isLocalDateTime = true;
        }
    }

    // Location
    float[] latLon = new float[2];
    boolean latLonPresent = exifInterface != null && exifInterface.getLatLong(latLon);
    if (!latLonPresent) {
        // No location in exif: use 'local' location
        res.isLocalLocation = true;
        latLonPresent = getLatestLocalLocation(latLon);
        if (latLonPresent)
            res.location = reverseGeocode(latLon[0], latLon[1]);
    } else {
        res.location = reverseGeocode(latLon[0], latLon[1]);
    }
    if (res.location == null) {
        res.reverseGeocodeProblem = true;
        res.location = "";
    }
    return res;
}

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