2017-09-12 14:54:41 +02:00
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package de.trac.spherical;
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2017-09-12 18:11:58 +02:00
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import android.content.Intent;
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2017-09-13 15:05:38 +02:00
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import android.graphics.BitmapFactory;
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2017-09-12 19:50:59 +02:00
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import android.net.Uri;
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2017-09-14 03:06:09 +02:00
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import android.support.design.widget.FloatingActionButton;
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2017-09-12 14:54:41 +02:00
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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2017-09-12 18:11:58 +02:00
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import android.util.Log;
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2017-09-14 02:23:37 +02:00
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import android.view.GestureDetector;
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import android.view.MotionEvent;
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import android.view.View;
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2017-09-14 03:06:09 +02:00
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import android.widget.LinearLayout;
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2017-09-12 19:50:59 +02:00
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import android.widget.Toast;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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2017-09-13 01:10:29 +02:00
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import de.trac.spherical.parser.PhotoSphereMetadata;
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2017-09-13 23:44:58 +02:00
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import de.trac.spherical.parser.PhotoSphereParser;
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2017-09-12 14:54:41 +02:00
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2017-09-13 01:11:40 +02:00
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import de.trac.spherical.rendering.Renderer;
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2017-09-13 15:05:38 +02:00
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import de.trac.spherical.rendering.SphereSurfaceView;
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2017-09-13 01:11:40 +02:00
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2017-09-12 14:54:41 +02:00
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public class MainActivity extends AppCompatActivity {
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2017-09-12 18:11:58 +02:00
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public static final String TAG = "Spherical";
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2017-09-12 20:30:44 +02:00
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public static final String MIME_PHOTO_SPHERE = "application/vnd.google.panorama360+jpg";
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public static final String MIME_IMAGE = "image/*";
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2017-09-12 19:50:59 +02:00
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private SphereSurfaceView surfaceView;
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private Renderer renderer;
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private FloatingActionButton fab;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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2017-09-14 03:06:09 +02:00
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setContentView(R.layout.activity_main);
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// Initialize renderer and setup surface view.
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surfaceView = new SphereSurfaceView(this);
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renderer = new Renderer(surfaceView);
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2017-09-14 03:06:09 +02:00
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((LinearLayout) findViewById(R.id.container)).addView(surfaceView);
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fab = (FloatingActionButton) findViewById(R.id.fab);
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fab.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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SphereSurfaceView.USE_TOUCH = !SphereSurfaceView.USE_TOUCH;
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fab.hide();
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}
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});
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fab.hide();
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2017-09-12 18:11:58 +02:00
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2017-09-14 02:23:37 +02:00
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// Detect gestures like single taps.
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final GestureDetector mGesDetect = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
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@Override
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public boolean onSingleTapConfirmed(MotionEvent event) {
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if (fab.isShown()) {
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fab.hide();
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} else {
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fab.show();
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}
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2017-09-14 02:23:37 +02:00
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return true;
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}
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});
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surfaceView.setOnTouchListener(new View.OnTouchListener() {
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@Override
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public boolean onTouch(View v, MotionEvent event) {
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return mGesDetect.onTouchEvent(event);
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}
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});
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2017-09-12 18:11:58 +02:00
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Intent intent = getIntent();
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switch (intent.getAction()) {
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//Image was sent into the app
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case Intent.ACTION_SEND:
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handleSentImageIntent(intent);
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break;
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2017-09-12 19:50:59 +02:00
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2017-09-12 20:30:44 +02:00
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//App was launched via launcher icon
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//TODO: Remove later together with launcher intent filter
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2017-09-12 19:50:59 +02:00
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default:
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Toast.makeText(this, R.string.prompt_share_image, Toast.LENGTH_LONG).show();
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}
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}
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2017-09-12 20:30:44 +02:00
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/**
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* Distinguish type of sent image. Images with the MIME type of a photosphere will be directly
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* displayed, while images with MIME type image/* are being manually tested using {@link PhotoSphereParser}.
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* @param intent incoming intent.
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*/
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private void handleSentImageIntent(Intent intent) {
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String type = intent.getType();
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if (type != null) {
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Uri imageUri = intent.getParcelableExtra(Intent.EXTRA_STREAM);
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if (imageUri == null) {
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Toast.makeText(this, R.string.file_not_found, Toast.LENGTH_SHORT).show();
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return;
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}
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2017-09-12 19:50:59 +02:00
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switch (type) {
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case MIME_PHOTO_SPHERE:
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displayPhotoSphere(imageUri);
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break;
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2017-09-12 19:50:59 +02:00
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2017-09-13 14:51:35 +02:00
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default:
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2017-09-12 20:30:44 +02:00
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displayMaybePhotoSphere(imageUri);
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2017-09-12 19:50:59 +02:00
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break;
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}
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2017-09-12 20:30:44 +02:00
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2017-09-12 19:50:59 +02:00
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} else {
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2017-09-12 20:30:44 +02:00
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Toast.makeText(this, "TODO: Figure out what to do :D", Toast.LENGTH_SHORT).show();
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}
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}
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/**
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* Check, whether the sent photo is a photo sphere and display either a sphere, or a plain image.
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* @param uri
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*/
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private void displayMaybePhotoSphere(Uri uri) {
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try {
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InputStream inputStream = getContentResolver().openInputStream(uri);
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2017-09-13 23:44:58 +02:00
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String xml = PhotoSphereParser.getXMLContent(inputStream);
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PhotoSphereMetadata metadata = PhotoSphereParser.parse(xml);
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2017-09-12 20:30:44 +02:00
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2017-09-13 14:51:35 +02:00
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if (metadata == null || !metadata.isUsePanoramaViewer()) {
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displayFlatImage(getContentResolver().openInputStream(uri));
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2017-09-12 20:30:44 +02:00
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} else {
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displayPhotoSphere(getContentResolver().openInputStream(uri), metadata);
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}
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2017-09-13 01:10:29 +02:00
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2017-09-12 20:30:44 +02:00
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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2017-09-12 19:50:59 +02:00
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}
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}
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2017-09-12 20:30:44 +02:00
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/**
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* Display a photo sphere.
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* @param uri
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*/
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private void displayPhotoSphere(Uri uri) {
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try {
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InputStream inputStream = getContentResolver().openInputStream(uri);
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2017-09-13 23:44:58 +02:00
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String xml = PhotoSphereParser.getXMLContent(inputStream);
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PhotoSphereMetadata metadata = PhotoSphereParser.parse(xml);
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2017-09-12 19:50:59 +02:00
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2017-09-13 14:51:35 +02:00
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if (metadata == null) {
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Log.e(TAG, "Metadata is null. Fall back to flat image.");
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displayFlatImage(getContentResolver().openInputStream(uri));
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}
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2017-09-13 01:10:29 +02:00
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displayPhotoSphere(getContentResolver().openInputStream(uri), metadata);
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2017-09-12 18:11:58 +02:00
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2017-09-12 19:50:59 +02:00
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} catch (FileNotFoundException e) {
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Log.e(TAG, "File not found.", e);
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Toast.makeText(this, R.string.file_not_found, Toast.LENGTH_SHORT).show();
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} catch (IOException e) {
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Log.e(TAG, "IOException: ", e);
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Toast.makeText(this, R.string.ioerror, Toast.LENGTH_SHORT).show();
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}
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2017-09-12 14:54:41 +02:00
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}
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2017-09-12 20:30:44 +02:00
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2017-09-13 01:10:29 +02:00
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private void displayPhotoSphere(InputStream inputStream, PhotoSphereMetadata metadata) {
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renderer.setBitmap(BitmapFactory.decodeStream(inputStream));
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2017-09-13 14:51:35 +02:00
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Log.d(TAG, "Display Photo Sphere!");
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2017-09-13 01:10:29 +02:00
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}
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2017-09-12 20:30:44 +02:00
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/**
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* Display a flat image.
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2017-09-13 01:42:03 +02:00
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* @param inputStream
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2017-09-12 20:30:44 +02:00
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*/
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2017-09-13 01:42:03 +02:00
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private void displayFlatImage(InputStream inputStream) {
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2017-09-13 14:51:35 +02:00
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Log.d(TAG, "Display Flat Image!");
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2017-09-12 20:30:44 +02:00
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}
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2017-09-14 02:23:37 +02:00
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2017-09-12 14:54:41 +02:00
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}
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