Space Apps Challenge 2017

DEX.in | Dictionary of Earth

Milan

Updates

Project

Members

Team Updates

Full repository for DEX.in at https://github.com/SpaceAppsMilan/DEX.in

view raw README.md hosted with ❤ by GitHub

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context="com.dexin.MainActivity">
 <android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
 </android.support.design.widget.AppBarLayout>
 <android.support.design.widget.FloatingActionButton
android:id="@+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|center"
android:layout_margin="@dimen/fab_margin"
app:backgroundTint="@null"
app:fabSize="normal"
android:padding="0dp"
android:scaleType="center"
 />
 <includelayout="@layout/content_main" />
</android.support.design.widget.CoordinatorLayout>

view raw activity_main.xml hosted with ❤ by GitHub

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayoutxmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.dexin.MainActivity"
tools:showIn="@layout/activity_main">
 <ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/scrollView2">
 <LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:weightSum="1">
 <ImageView
android:id="@+id/main_image"
android:background="#19191b"
android:layout_width="match_parent"
android:layout_height="300dp"
android:layout_alignStart="@+id/scrollView2"
android:layout_alignTop="@+id/scrollView2"
android:layout_weight="6.33"
android:scaleType="fitCenter" />
 <TextView
android:id="@+id/image_details"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_margin="16dp"
android:textSize="20dp"
android:layout_weight="11.04" />
 <ProgressBar
android:id="@+id/loadingPanel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:indeterminate="true"
android:layout_gravity="center" />
 </LinearLayout>
 </ScrollView>
</RelativeLayout>

view raw content_main.xml hosted with ❤ by GitHub

/*
 * Copyright 2016 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/
/* Author: Lorenzo Bracco a.k.a. devtry (devtry@riseup.net) */
packagecom.dexin;
importandroid.Manifest;
importandroid.content.DialogInterface;
importandroid.content.Intent;
importandroid.graphics.Bitmap;
importandroid.graphics.Canvas;
importandroid.graphics.Color;
importandroid.graphics.ColorFilter;
importandroid.graphics.PixelFormat;
importandroid.graphics.drawable.BitmapDrawable;
importandroid.graphics.drawable.ColorDrawable;
importandroid.graphics.drawable.Drawable;
importandroid.net.Uri;
importandroid.os.AsyncTask;
importandroid.os.Bundle;
importandroid.os.Environment;
importandroid.provider.MediaStore;
importandroid.support.annotation.IntRange;
importandroid.support.annotation.NonNull;
importandroid.support.annotation.Nullable;
importandroid.support.design.widget.FloatingActionButton;
importandroid.support.v4.content.FileProvider;
importandroid.support.v7.app.AlertDialog;
importandroid.support.v7.app.AppCompatActivity;
importandroid.support.v7.widget.Toolbar;
importandroid.util.Log;
importandroid.view.View;
importandroid.widget.ImageView;
importandroid.widget.TextView;
importandroid.widget.Toast;
importandroid.text.Html;
importandroid.R.color;
importcom.google.api.client.extensions.android.http.AndroidHttp;
importcom.google.api.client.googleapis.json.GoogleJsonResponseException;
importcom.google.api.client.http.HttpTransport;
importcom.google.api.client.json.JsonFactory;
importcom.google.api.client.json.gson.GsonFactory;
importcom.google.api.services.vision.v1.Vision;
importcom.google.api.services.vision.v1.VisionRequest;
importcom.google.api.services.vision.v1.VisionRequestInitializer;
importcom.google.api.services.vision.v1.model.AnnotateImageRequest;
importcom.google.api.services.vision.v1.model.BatchAnnotateImagesRequest;
importcom.google.api.services.vision.v1.model.BatchAnnotateImagesResponse;
importcom.google.api.services.vision.v1.model.EntityAnnotation;
importcom.google.api.services.vision.v1.model.Feature;
importcom.google.api.services.vision.v1.model.Image;
importjava.io.ByteArrayOutputStream;
importjava.io.File;
importjava.io.IOException;
importjava.util.ArrayList;
importjava.util.List;
importjava.util.Locale;
publicclassMainActivityextendsAppCompatActivity {
privatestaticfinalStringCLOUD_VISION_API_KEY=" AIzaSyDGS_DRiMBwXN3ijn68vCe7NoQ-8bcRuL0 ";
publicstaticfinalStringFILE_NAME="temp.jpg";
privatestaticfinalStringANDROID_CERT_HEADER="X-Android-Cert";
privatestaticfinalStringANDROID_PACKAGE_HEADER="X-Android-Package";
privatestaticfinalStringTAG=MainActivity.class.getSimpleName();
privatestaticfinalintGALLERY_PERMISSIONS_REQUEST=0;
privatestaticfinalintGALLERY_IMAGE_REQUEST=1;
publicstaticfinalintCAMERA_PERMISSIONS_REQUEST=2;
publicstaticfinalintCAMERA_IMAGE_REQUEST=3;
privateTextView mImageDetails;
privateImageView mMainImage;
@Override
protectedvoidonCreate(BundlesavedInstanceState) {
super.onCreate(savedInstanceState);
 getWindow().getDecorView().setBackground(getResources().getDrawable(R.drawable.map));
 setContentView(R.layout.activity_main);
 findViewById(R.id.loadingPanel).setVisibility(View.INVISIBLE);
ImageView viewImage = (ImageView)findViewById(R.id.main_image);
 viewImage.setVisibility(View.INVISIBLE);
/*SupportMapFragment mapFragment = null;
 while (mapFragment == null)
 mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
 mapFragment.getMapAsync(this);*/
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
 fab.setImageDrawable(getResources().getDrawable(R.drawable.buttonphoto2));
 fab.setOnClickListener(newView.OnClickListener() {
@Override
publicvoidonClick(Viewview) {
AlertDialog.Builder builder =newAlertDialog.Builder(MainActivity.this);
 builder
 .setMessage(R.string.dialog_select_prompt)
 .setPositiveButton(R.string.dialog_select_gallery, newDialogInterface.OnClickListener() {
@Override
publicvoidonClick(DialogInterfacedialog, intwhich) {
 startGalleryChooser();
 }
 })
 .setNegativeButton(R.string.dialog_select_camera, newDialogInterface.OnClickListener() {
@Override
publicvoidonClick(DialogInterfacedialog, intwhich) {
 startCamera();
 }
 });
 builder.create().show();
 }
 });
 mImageDetails = (TextView) findViewById(R.id.image_details);
 mMainImage = (ImageView) findViewById(R.id.main_image);
 }
publicvoidstartGalleryChooser() {
if (PermissionUtils.requestPermission(this, GALLERY_PERMISSIONS_REQUEST, Manifest.permission.READ_EXTERNAL_STORAGE)) {
Intent intent =newIntent();
 intent.setType("image/*");
 intent.setAction(Intent.ACTION_GET_CONTENT);
 startActivityForResult(Intent.createChooser(intent, "Select a photo"),
GALLERY_IMAGE_REQUEST);
 }
 }
publicvoidstartCamera() {
if (PermissionUtils.requestPermission(
this,
CAMERA_PERMISSIONS_REQUEST,
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.CAMERA)) {
Intent intent =newIntent(MediaStore.ACTION_IMAGE_CAPTURE);
Uri photoUri =FileProvider.getUriForFile(this, getApplicationContext().getPackageName() +".provider", getCameraFile());
 intent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);
 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 startActivityForResult(intent, CAMERA_IMAGE_REQUEST);
 }
 }
publicFilegetCameraFile() {
File dir = getExternalFilesDir(Environment.DIRECTORY_PICTURES);
returnnewFile(dir, FILE_NAME);
 }
@Override
protectedvoidonActivityResult(intrequestCode, intresultCode, Intentdata) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode ==GALLERY_IMAGE_REQUEST&& resultCode ==RESULT_OK&& data !=null) {
 uploadImage(data.getData());
 } elseif (requestCode ==CAMERA_IMAGE_REQUEST&& resultCode ==RESULT_OK) {
Uri photoUri =FileProvider.getUriForFile(this, getApplicationContext().getPackageName() +".provider", getCameraFile());
 uploadImage(photoUri);
 }
 }
@Override
publicvoidonRequestPermissionsResult(
intrequestCode, @NonNullString[] permissions, @NonNullint[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
caseCAMERA_PERMISSIONS_REQUEST:
if (PermissionUtils.permissionGranted(requestCode, CAMERA_PERMISSIONS_REQUEST, grantResults)) {
 startCamera();
 }
break;
caseGALLERY_PERMISSIONS_REQUEST:
if (PermissionUtils.permissionGranted(requestCode, GALLERY_PERMISSIONS_REQUEST, grantResults)) {
 startGalleryChooser();
 }
break;
 }
 }
publicvoiduploadImage(Uriuri) {
if (uri !=null) {
try {
// scale the image to save on bandwidth
Bitmap bitmap =
 scaleBitmapDown(
MediaStore.Images.Media.getBitmap(getContentResolver(), uri),
1200);
 callCloudVision(bitmap);
 mMainImage.setImageBitmap(bitmap);
 } catch (IOException e) {
Log.d(TAG, "Image picking failed because "+ e.getMessage());
Toast.makeText(this, R.string.image_picker_error, Toast.LENGTH_LONG).show();
 }
 } else {
Log.d(TAG, "Image picker gave us a null image.");
Toast.makeText(this, R.string.image_picker_error, Toast.LENGTH_LONG).show();
 }
 }
privatevoidcallCloudVision(finalBitmapbitmap) throwsIOException {
// Switch text to loading
 findViewById(R.id.loadingPanel).setVisibility(View.VISIBLE);
 getWindow().getDecorView().setBackground(null);
 getWindow().getDecorView().setBackgroundColor(Color.WHITE);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
 fab.setImageDrawable(getResources().getDrawable(R.drawable.check));
ImageView viewImage = (ImageView)findViewById(R.id.main_image);
 viewImage.setVisibility(View.VISIBLE);
 mImageDetails.setText(R.string.loading_message);
// Do the real work in an async task, because we need to use the network anyway
newAsyncTask<Object, Void, String>() {
@Override
protectedStringdoInBackground(Object... params) {
try {
HttpTransport httpTransport =AndroidHttp.newCompatibleTransport();
JsonFactory jsonFactory =GsonFactory.getDefaultInstance();
VisionRequestInitializer requestInitializer =
newVisionRequestInitializer(CLOUD_VISION_API_KEY) {
/**
 * We override this so we can inject important identifying fields into the HTTP
 * headers. This enables use of a restricted cloud platform API key.
*/
@Override
protectedvoidinitializeVisionRequest(VisionRequest<?>visionRequest)
throwsIOException {
super.initializeVisionRequest(visionRequest);
String packageName = getPackageName();
 visionRequest.getRequestHeaders().set(ANDROID_PACKAGE_HEADER, packageName);
String sig =PackageManagerUtils.getSignature(getPackageManager(), packageName);
 visionRequest.getRequestHeaders().set(ANDROID_CERT_HEADER, sig);
 }
 };
Vision.Builder builder =newVision.Builder(httpTransport, jsonFactory, null);
 builder.setVisionRequestInitializer(requestInitializer);
Vision vision = builder.build();
BatchAnnotateImagesRequest batchAnnotateImagesRequest =
newBatchAnnotateImagesRequest();
 batchAnnotateImagesRequest.setRequests(newArrayList<AnnotateImageRequest>() {{
AnnotateImageRequest annotateImageRequest =newAnnotateImageRequest();
// Add the image
Image base64EncodedImage =newImage();
// Convert the bitmap to a JPEG
// Just in case it's a format that Android understands but Cloud Vision
ByteArrayOutputStream byteArrayOutputStream =newByteArrayOutputStream();
 bitmap.compress(Bitmap.CompressFormat.JPEG, 90, byteArrayOutputStream);
byte[] imageBytes = byteArrayOutputStream.toByteArray();
// Base64 encode the JPEG
 base64EncodedImage.encodeContent(imageBytes);
 annotateImageRequest.setImage(base64EncodedImage);
// add the features we want
 annotateImageRequest.setFeatures(newArrayList<Feature>() {{
Feature labelDetection =newFeature();
 labelDetection.setType("LABEL_DETECTION");
 labelDetection.setMaxResults(10);
 add(labelDetection);
 }});
// Add the list of one thing to the request
 add(annotateImageRequest);
 }});
Vision.Images.Annotate annotateRequest =
 vision.images().annotate(batchAnnotateImagesRequest);
// Due to a bug: requests to Vision API containing large images fail when GZipped.
 annotateRequest.setDisableGZipContent(true);
Log.d(TAG, "created Cloud Vision request object, sending request");
BatchAnnotateImagesResponse response = annotateRequest.execute();
return convertResponseToString(response);
 } catch (GoogleJsonResponseException e) {
Log.d(TAG, "failed to make API request because "+ e.getContent());
 } catch (IOException e) {
Log.d(TAG, "failed to make API request because of other IOException "+
 e.getMessage());
 }
return"Cloud Vision API request failed. Check logs for details.";
 }
protectedvoidonPostExecute(Stringresult) {
 findViewById(R.id.loadingPanel).setVisibility(View.GONE);
 mImageDetails.setText(Html.fromHtml(result));
 }
 }.execute();
 }
publicBitmapscaleBitmapDown(Bitmapbitmap, intmaxDimension) {
int originalWidth = bitmap.getWidth();
int originalHeight = bitmap.getHeight();
int resizedWidth = maxDimension;
int resizedHeight = maxDimension;
if (originalHeight > originalWidth) {
 resizedHeight = maxDimension;
 resizedWidth = (int) (resizedHeight * (float) originalWidth / (float) originalHeight);
 } elseif (originalWidth > originalHeight) {
 resizedWidth = maxDimension;
 resizedHeight = (int) (resizedWidth * (float) originalHeight / (float) originalWidth);
 } elseif (originalHeight == originalWidth) {
 resizedHeight = maxDimension;
 resizedWidth = maxDimension;
 }
returnBitmap.createScaledBitmap(bitmap, resizedWidth, resizedHeight, false);
 }
privateStringconvertResponseToString(BatchAnnotateImagesResponseresponse) {
String message ="Recognized as ";
List<EntityAnnotation> labels = response.getResponses().get(0).getLabelAnnotations();
if (labels !=null) {
for (EntityAnnotation label : labels) {
 message +=String.format(Locale.US, "<b>%s</b>", label.getDescription());
 message +="<br /><br /><big><b>Bottle</b></big><br /><i>/bot-l/</i><br />A portable container for holding liquids, characteristically having a neck and mouth and made of glass or plastic.";
break;
 }
 } else {
 message +="nothing!";
 }
return message;
 }
}

view raw MainActivity.java hosted with ❤ by GitHub

packagecom.dexin;
importandroid.content.pm.PackageInfo;
importandroid.content.pm.PackageManager;
importandroid.content.pm.Signature;
importandroid.support.annotation.NonNull;
importcom.google.common.io.BaseEncoding;
importjava.security.MessageDigest;
importjava.security.NoSuchAlgorithmException;
/**
 * Provides utility logic for getting the app's SHA1 signature. Used with restricted API keys.
 *
*/
publicclassPackageManagerUtils {
/**
 * Gets the SHA1 signature, hex encoded for inclusion with Google Cloud Platform API requests
 *
 * @param packageName Identifies the APK whose signature should be extracted.
 * @return a lowercase, hex-encoded
*/
publicstaticStringgetSignature(@NonNullPackageManagerpm, @NonNullStringpackageName) {
try {
PackageInfo packageInfo = pm.getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
if (packageInfo ==null
|| packageInfo.signatures ==null
|| packageInfo.signatures.length ==0
|| packageInfo.signatures[0] ==null) {
returnnull;
 }
return signatureDigest(packageInfo.signatures[0]);
 } catch (PackageManager.NameNotFoundException e) {
returnnull;
 }
 }
privatestaticStringsignatureDigest(Signaturesig) {
byte[] signature = sig.toByteArray();
try {
MessageDigest md =MessageDigest.getInstance("SHA1");
byte[] digest = md.digest(signature);
returnBaseEncoding.base16().lowerCase().encode(digest);
 } catch (NoSuchAlgorithmException e) {
returnnull;
 }
 }
}

view raw PackageManagerUtils.java hosted with ❤ by GitHub

/*
 * Copyright 2016 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/
packagecom.dexin;
importandroid.app.Activity;
importandroid.content.pm.PackageManager;
importandroid.support.v4.app.ActivityCompat;
importandroid.support.v4.content.ContextCompat;
importjava.util.ArrayList;
publicclassPermissionUtils {
publicstaticbooleanrequestPermission(
Activityactivity, intrequestCode, String... permissions) {
boolean granted =true;
ArrayList<String> permissionsNeeded =newArrayList<>();
for (String s : permissions) {
int permissionCheck =ContextCompat.checkSelfPermission(activity, s);
boolean hasPermission = (permissionCheck ==PackageManager.PERMISSION_GRANTED);
 granted &= hasPermission;
if (!hasPermission) {
 permissionsNeeded.add(s);
 }
 }
if (granted) {
returntrue;
 } else {
ActivityCompat.requestPermissions(activity,
 permissionsNeeded.toArray(newString[permissionsNeeded.size()]),
 requestCode);
returnfalse;
 }
 }
publicstaticbooleanpermissionGranted(
intrequestCode, intpermissionCode, int[] grantResults) {
if (requestCode == permissionCode) {
if (grantResults.length >0&& grantResults[0] ==PackageManager.PERMISSION_GRANTED) {
returntrue;
 } else {
returnfalse;
 }
 }
returnfalse;
 }
}

view raw PermissionUtils.java hosted with ❤ by GitHub

Lorenzo Bracco

SpaceApps is a NASA incubator innovation program.

	<?xml version="1.0" encoding="utf-8"?>
	<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:app="http://schemas.android.com/apk/res-auto"
	xmlns:tools="http://schemas.android.com/tools"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	android:fitsSystemWindows="true"
	tools:context="com.dexin.MainActivity">

	<android.support.design.widget.AppBarLayout
	android:layout_width="match_parent"
	android:layout_height="wrap_content"
	android:theme="@style/AppTheme.AppBarOverlay">

	</android.support.design.widget.AppBarLayout>

	<android.support.design.widget.FloatingActionButton
	android:id="@+id/fab"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:layout_gravity="bottom\|center"
	android:layout_margin="@dimen/fab_margin"
	app:backgroundTint="@null"
	app:fabSize="normal"
	android:padding="0dp"
	android:scaleType="center"
	/>

	<includelayout="@layout/content_main" />

	</android.support.design.widget.CoordinatorLayout>

	<?xml version="1.0" encoding="utf-8"?>
	<RelativeLayoutxmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:app="http://schemas.android.com/apk/res-auto"
	xmlns:tools="http://schemas.android.com/tools"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	app:layout_behavior="@string/appbar_scrolling_view_behavior"
	tools:context="com.dexin.MainActivity"
	tools:showIn="@layout/activity_main">

	<ScrollView
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	android:id="@+id/scrollView2">

	<LinearLayout
	android:layout_width="match_parent"
	android:layout_height="wrap_content"
	android:orientation="vertical"
	android:weightSum="1">

	<ImageView
	android:id="@+id/main_image"
	android:background="#19191b"
	android:layout_width="match_parent"
	android:layout_height="300dp"
	android:layout_alignStart="@+id/scrollView2"
	android:layout_alignTop="@+id/scrollView2"
	android:layout_weight="6.33"
	android:scaleType="fitCenter" />

	<TextView
	android:id="@+id/image_details"
	android:layout_width="match_parent"
	android:layout_height="wrap_content"
	android:layout_marginBottom="8dp"
	android:layout_margin="16dp"
	android:textSize="20dp"
	android:layout_weight="11.04" />

	<ProgressBar
	android:id="@+id/loadingPanel"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:indeterminate="true"
	android:layout_gravity="center" />

	</LinearLayout>
	</ScrollView>

	</RelativeLayout>

	/*
	* Copyright 2016 Google Inc. All Rights Reserved.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	/* Author: Lorenzo Bracco a.k.a. devtry (devtry@riseup.net) */

	packagecom.dexin;

	importandroid.Manifest;
	importandroid.content.DialogInterface;
	importandroid.content.Intent;
	importandroid.graphics.Bitmap;
	importandroid.graphics.Canvas;
	importandroid.graphics.Color;
	importandroid.graphics.ColorFilter;
	importandroid.graphics.PixelFormat;
	importandroid.graphics.drawable.BitmapDrawable;
	importandroid.graphics.drawable.ColorDrawable;
	importandroid.graphics.drawable.Drawable;
	importandroid.net.Uri;
	importandroid.os.AsyncTask;
	importandroid.os.Bundle;
	importandroid.os.Environment;
	importandroid.provider.MediaStore;
	importandroid.support.annotation.IntRange;
	importandroid.support.annotation.NonNull;
	importandroid.support.annotation.Nullable;
	importandroid.support.design.widget.FloatingActionButton;
	importandroid.support.v4.content.FileProvider;
	importandroid.support.v7.app.AlertDialog;
	importandroid.support.v7.app.AppCompatActivity;
	importandroid.support.v7.widget.Toolbar;
	importandroid.util.Log;
	importandroid.view.View;
	importandroid.widget.ImageView;
	importandroid.widget.TextView;
	importandroid.widget.Toast;

	importandroid.text.Html;

	importandroid.R.color;

	importcom.google.api.client.extensions.android.http.AndroidHttp;
	importcom.google.api.client.googleapis.json.GoogleJsonResponseException;
	importcom.google.api.client.http.HttpTransport;
	importcom.google.api.client.json.JsonFactory;
	importcom.google.api.client.json.gson.GsonFactory;
	importcom.google.api.services.vision.v1.Vision;
	importcom.google.api.services.vision.v1.VisionRequest;
	importcom.google.api.services.vision.v1.VisionRequestInitializer;
	importcom.google.api.services.vision.v1.model.AnnotateImageRequest;
	importcom.google.api.services.vision.v1.model.BatchAnnotateImagesRequest;
	importcom.google.api.services.vision.v1.model.BatchAnnotateImagesResponse;
	importcom.google.api.services.vision.v1.model.EntityAnnotation;
	importcom.google.api.services.vision.v1.model.Feature;
	importcom.google.api.services.vision.v1.model.Image;

	importjava.io.ByteArrayOutputStream;
	importjava.io.File;
	importjava.io.IOException;
	importjava.util.ArrayList;
	importjava.util.List;
	importjava.util.Locale;

	publicclassMainActivityextendsAppCompatActivity {
	privatestaticfinalStringCLOUD_VISION_API_KEY=" AIzaSyDGS_DRiMBwXN3ijn68vCe7NoQ-8bcRuL0 ";
	publicstaticfinalStringFILE_NAME="temp.jpg";
	privatestaticfinalStringANDROID_CERT_HEADER="X-Android-Cert";
	privatestaticfinalStringANDROID_PACKAGE_HEADER="X-Android-Package";

	privatestaticfinalStringTAG=MainActivity.class.getSimpleName();
	privatestaticfinalintGALLERY_PERMISSIONS_REQUEST=0;
	privatestaticfinalintGALLERY_IMAGE_REQUEST=1;
	publicstaticfinalintCAMERA_PERMISSIONS_REQUEST=2;
	publicstaticfinalintCAMERA_IMAGE_REQUEST=3;

	privateTextView mImageDetails;
	privateImageView mMainImage;

	@Override
	protectedvoidonCreate(BundlesavedInstanceState) {
	super.onCreate(savedInstanceState);
	getWindow().getDecorView().setBackground(getResources().getDrawable(R.drawable.map));
	setContentView(R.layout.activity_main);

	findViewById(R.id.loadingPanel).setVisibility(View.INVISIBLE);

	ImageView viewImage = (ImageView)findViewById(R.id.main_image);
	viewImage.setVisibility(View.INVISIBLE);

	/*SupportMapFragment mapFragment = null;
	while (mapFragment == null)
	mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);

	mapFragment.getMapAsync(this);*/

	FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
	fab.setImageDrawable(getResources().getDrawable(R.drawable.buttonphoto2));
	fab.setOnClickListener(newView.OnClickListener() {
	@Override
	publicvoidonClick(Viewview) {
	AlertDialog.Builder builder =newAlertDialog.Builder(MainActivity.this);
	builder
	.setMessage(R.string.dialog_select_prompt)
	.setPositiveButton(R.string.dialog_select_gallery, newDialogInterface.OnClickListener() {
	@Override
	publicvoidonClick(DialogInterfacedialog, intwhich) {
	startGalleryChooser();
	}
	})
	.setNegativeButton(R.string.dialog_select_camera, newDialogInterface.OnClickListener() {
	@Override
	publicvoidonClick(DialogInterfacedialog, intwhich) {
	startCamera();
	}
	});
	builder.create().show();
	}
	});

	mImageDetails = (TextView) findViewById(R.id.image_details);
	mMainImage = (ImageView) findViewById(R.id.main_image);
	}

	publicvoidstartGalleryChooser() {
	if (PermissionUtils.requestPermission(this, GALLERY_PERMISSIONS_REQUEST, Manifest.permission.READ_EXTERNAL_STORAGE)) {
	Intent intent =newIntent();
	intent.setType("image/*");
	intent.setAction(Intent.ACTION_GET_CONTENT);
	startActivityForResult(Intent.createChooser(intent, "Select a photo"),
	GALLERY_IMAGE_REQUEST);
	}
	}

	publicvoidstartCamera() {
	if (PermissionUtils.requestPermission(
	this,
	CAMERA_PERMISSIONS_REQUEST,
	Manifest.permission.READ_EXTERNAL_STORAGE,
	Manifest.permission.CAMERA)) {
	Intent intent =newIntent(MediaStore.ACTION_IMAGE_CAPTURE);
	Uri photoUri =FileProvider.getUriForFile(this, getApplicationContext().getPackageName() +".provider", getCameraFile());
	intent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);
	intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
	startActivityForResult(intent, CAMERA_IMAGE_REQUEST);
	}
	}

	publicFilegetCameraFile() {
	File dir = getExternalFilesDir(Environment.DIRECTORY_PICTURES);
	returnnewFile(dir, FILE_NAME);
	}

	@Override
	protectedvoidonActivityResult(intrequestCode, intresultCode, Intentdata) {
	super.onActivityResult(requestCode, resultCode, data);

	if (requestCode ==GALLERY_IMAGE_REQUEST&& resultCode ==RESULT_OK&& data !=null) {
	uploadImage(data.getData());
	} elseif (requestCode ==CAMERA_IMAGE_REQUEST&& resultCode ==RESULT_OK) {
	Uri photoUri =FileProvider.getUriForFile(this, getApplicationContext().getPackageName() +".provider", getCameraFile());
	uploadImage(photoUri);
	}
	}

	@Override
	publicvoidonRequestPermissionsResult(
	intrequestCode, @NonNullString[] permissions, @NonNullint[] grantResults) {
	super.onRequestPermissionsResult(requestCode, permissions, grantResults);
	switch (requestCode) {
	caseCAMERA_PERMISSIONS_REQUEST:
	if (PermissionUtils.permissionGranted(requestCode, CAMERA_PERMISSIONS_REQUEST, grantResults)) {
	startCamera();
	}
	break;
	caseGALLERY_PERMISSIONS_REQUEST:
	if (PermissionUtils.permissionGranted(requestCode, GALLERY_PERMISSIONS_REQUEST, grantResults)) {
	startGalleryChooser();
	}
	break;
	}
	}

	publicvoiduploadImage(Uriuri) {
	if (uri !=null) {
	try {
	// scale the image to save on bandwidth
	Bitmap bitmap =
	scaleBitmapDown(
	MediaStore.Images.Media.getBitmap(getContentResolver(), uri),
	1200);

	callCloudVision(bitmap);
	mMainImage.setImageBitmap(bitmap);

	} catch (IOException e) {
	Log.d(TAG, "Image picking failed because "+ e.getMessage());
	Toast.makeText(this, R.string.image_picker_error, Toast.LENGTH_LONG).show();
	}
	} else {
	Log.d(TAG, "Image picker gave us a null image.");
	Toast.makeText(this, R.string.image_picker_error, Toast.LENGTH_LONG).show();
	}
	}

	privatevoidcallCloudVision(finalBitmapbitmap) throwsIOException {
	// Switch text to loading
	findViewById(R.id.loadingPanel).setVisibility(View.VISIBLE);
	getWindow().getDecorView().setBackground(null);
	getWindow().getDecorView().setBackgroundColor(Color.WHITE);

	FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
	fab.setImageDrawable(getResources().getDrawable(R.drawable.check));

	ImageView viewImage = (ImageView)findViewById(R.id.main_image);
	viewImage.setVisibility(View.VISIBLE);

	mImageDetails.setText(R.string.loading_message);

	// Do the real work in an async task, because we need to use the network anyway
	newAsyncTask<Object, Void, String>() {
	@Override
	protectedStringdoInBackground(Object... params) {
	try {
	HttpTransport httpTransport =AndroidHttp.newCompatibleTransport();
	JsonFactory jsonFactory =GsonFactory.getDefaultInstance();

	VisionRequestInitializer requestInitializer =
	newVisionRequestInitializer(CLOUD_VISION_API_KEY) {
	/**
	* We override this so we can inject important identifying fields into the HTTP
	* headers. This enables use of a restricted cloud platform API key.
	*/
	@Override
	protectedvoidinitializeVisionRequest(VisionRequest<?>visionRequest)
	throwsIOException {
	super.initializeVisionRequest(visionRequest);

	String packageName = getPackageName();
	visionRequest.getRequestHeaders().set(ANDROID_PACKAGE_HEADER, packageName);

	String sig =PackageManagerUtils.getSignature(getPackageManager(), packageName);

	visionRequest.getRequestHeaders().set(ANDROID_CERT_HEADER, sig);
	}
	};

	Vision.Builder builder =newVision.Builder(httpTransport, jsonFactory, null);
	builder.setVisionRequestInitializer(requestInitializer);

	Vision vision = builder.build();

	BatchAnnotateImagesRequest batchAnnotateImagesRequest =
	newBatchAnnotateImagesRequest();
	batchAnnotateImagesRequest.setRequests(newArrayList<AnnotateImageRequest>() {{
	AnnotateImageRequest annotateImageRequest =newAnnotateImageRequest();

	// Add the image
	Image base64EncodedImage =newImage();
	// Convert the bitmap to a JPEG
	// Just in case it's a format that Android understands but Cloud Vision
	ByteArrayOutputStream byteArrayOutputStream =newByteArrayOutputStream();
	bitmap.compress(Bitmap.CompressFormat.JPEG, 90, byteArrayOutputStream);
	byte[] imageBytes = byteArrayOutputStream.toByteArray();

	// Base64 encode the JPEG
	base64EncodedImage.encodeContent(imageBytes);
	annotateImageRequest.setImage(base64EncodedImage);

	// add the features we want
	annotateImageRequest.setFeatures(newArrayList<Feature>() {{
	Feature labelDetection =newFeature();
	labelDetection.setType("LABEL_DETECTION");
	labelDetection.setMaxResults(10);
	add(labelDetection);
	}});

	// Add the list of one thing to the request
	add(annotateImageRequest);
	}});

	Vision.Images.Annotate annotateRequest =
	vision.images().annotate(batchAnnotateImagesRequest);
	// Due to a bug: requests to Vision API containing large images fail when GZipped.
	annotateRequest.setDisableGZipContent(true);
	Log.d(TAG, "created Cloud Vision request object, sending request");

	BatchAnnotateImagesResponse response = annotateRequest.execute();
	return convertResponseToString(response);

	} catch (GoogleJsonResponseException e) {
	Log.d(TAG, "failed to make API request because "+ e.getContent());
	} catch (IOException e) {
	Log.d(TAG, "failed to make API request because of other IOException "+
	e.getMessage());
	}
	return"Cloud Vision API request failed. Check logs for details.";
	}

	protectedvoidonPostExecute(Stringresult) {
	findViewById(R.id.loadingPanel).setVisibility(View.GONE);
	mImageDetails.setText(Html.fromHtml(result));
	}
	}.execute();
	}

	publicBitmapscaleBitmapDown(Bitmapbitmap, intmaxDimension) {

	int originalWidth = bitmap.getWidth();
	int originalHeight = bitmap.getHeight();
	int resizedWidth = maxDimension;
	int resizedHeight = maxDimension;

	if (originalHeight > originalWidth) {
	resizedHeight = maxDimension;
	resizedWidth = (int) (resizedHeight * (float) originalWidth / (float) originalHeight);
	} elseif (originalWidth > originalHeight) {
	resizedWidth = maxDimension;
	resizedHeight = (int) (resizedWidth * (float) originalHeight / (float) originalWidth);
	} elseif (originalHeight == originalWidth) {
	resizedHeight = maxDimension;
	resizedWidth = maxDimension;
	}
	returnBitmap.createScaledBitmap(bitmap, resizedWidth, resizedHeight, false);
	}

	privateStringconvertResponseToString(BatchAnnotateImagesResponseresponse) {
	String message ="Recognized as ";

	List<EntityAnnotation> labels = response.getResponses().get(0).getLabelAnnotations();
	if (labels !=null) {
	for (EntityAnnotation label : labels) {
	message +=String.format(Locale.US, "<b>%s</b>", label.getDescription());
	message +="<br /><br /><big><b>Bottle</b></big><br /><i>/bot-l/</i><br />A portable container for holding liquids, characteristically having a neck and mouth and made of glass or plastic.";
	break;
	}
	} else {
	message +="nothing!";
	}

	return message;
	}
	}

	packagecom.dexin;

	importandroid.content.pm.PackageInfo;
	importandroid.content.pm.PackageManager;
	importandroid.content.pm.Signature;
	importandroid.support.annotation.NonNull;

	importcom.google.common.io.BaseEncoding;

	importjava.security.MessageDigest;
	importjava.security.NoSuchAlgorithmException;

	/**
	* Provides utility logic for getting the app's SHA1 signature. Used with restricted API keys.
	*
	*/
	publicclassPackageManagerUtils {

	/**
	* Gets the SHA1 signature, hex encoded for inclusion with Google Cloud Platform API requests
	*
	* @param packageName Identifies the APK whose signature should be extracted.
	* @return a lowercase, hex-encoded
	*/
	publicstaticStringgetSignature(@NonNullPackageManagerpm, @NonNullStringpackageName) {
	try {
	PackageInfo packageInfo = pm.getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
	if (packageInfo ==null
	\|\| packageInfo.signatures ==null
	\|\| packageInfo.signatures.length ==0
	\|\| packageInfo.signatures[0] ==null) {
	returnnull;
	}
	return signatureDigest(packageInfo.signatures[0]);
	} catch (PackageManager.NameNotFoundException e) {
	returnnull;
	}
	}

	privatestaticStringsignatureDigest(Signaturesig) {
	byte[] signature = sig.toByteArray();
	try {
	MessageDigest md =MessageDigest.getInstance("SHA1");
	byte[] digest = md.digest(signature);
	returnBaseEncoding.base16().lowerCase().encode(digest);
	} catch (NoSuchAlgorithmException e) {
	returnnull;
	}
	}
	}