Example usage for android.media ExifInterface TAG_APERTURE_VALUE

Introduction

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

Prototype

String TAG_APERTURE_VALUE

To view the source code for android.media ExifInterface TAG_APERTURE_VALUE.

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Document

Type is rational.

Usage

From source file:freed.viewer.screenslide.ScreenSlideFragment.java

private void processExif(final File file) {
    FreeDPool.Execute(new Runnable() {
        @Override//  w  w w.  j  ava2s .  c o m
        public void run() {
            try {
                final ExifInterface exifInterface = new ExifInterface(file.getAbsolutePath());
                iso.post(new Runnable() {
                    @Override
                    public void run() {
                        try {
                            shutter.setText("S:" + exifInterface.getAttribute(ExifInterface.TAG_EXPOSURE_TIME));
                        } catch (NullPointerException e) {
                            shutter.setVisibility(View.GONE);
                        }
                        try {
                            fnumber.setText("f~:" + exifInterface.getAttribute(ExifInterface.TAG_F_NUMBER));
                        } catch (NullPointerException e) {
                            fnumber.setVisibility(View.GONE);
                        }
                        try {
                            focal.setText("A:" + exifInterface.getAttribute(ExifInterface.TAG_APERTURE_VALUE));
                        } catch (NullPointerException e) {
                            focal.setVisibility(View.GONE);
                        }
                        try {
                            iso.setText(
                                    "ISO:" + exifInterface.getAttribute(ExifInterface.TAG_ISO_SPEED_RATINGS));
                        } catch (NullPointerException e) {
                            iso.setVisibility(View.GONE);
                        }
                    }
                });

            } catch (NullPointerException | IOException ex) {
                Log.d(TAG, "Failed to read Exif");
            }
        }
    });
}

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