Ichangemycity

app/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 28
     buildToolsVersion "29.0.3"
 
     defaultConfig {
         applicationId "com.ichangemycity.ichangemycommunity"
-        minSdkVersion 19
+        minSdkVersion 21
         targetSdkVersion 29
         versionCode 1
         versionName "1.0"
@@ -28,6 +28,9 @@ android {
 }
 
 dependencies {
+
+    def camerax_version = "1.0.0-rc01"
+
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'androidx.appcompat:appcompat:1.0.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
@@ -64,4 +67,22 @@ dependencies {
 
     // Cluster Markers
     implementation 'com.google.maps.android:android-maps-utils:2.1.0'
+
+    // CameraX core library using camera2 implementation
+    implementation "androidx.camera:camera-camera2:$camerax_version"
+
+    // CameraX Lifecycle Library
+    implementation "androidx.camera:camera-lifecycle:$camerax_version"
+
+    // CameraX View class
+    implementation "androidx.camera:camera-view:1.0.0-alpha20"
+    implementation "androidx.camera:camera-core:${camerax_version}"
+
+    implementation "com.android.support:support-v4:28.0.0"
+    implementation "com.android.support:support-v13:28.0.0"
+    implementation "com.android.support:cardview-v7:28.0.0"
+    implementation "com.android.support:appcompat-v7:28.0.0"
+
+
+    implementation 'com.android.support:recyclerview-v7:28.0.0'
 }

app/src/main/AndroidManifest.xml

@@ -25,6 +25,8 @@
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.RECEIVE_SMS" />
     <uses-permission android:name="android.permission.READ_SMS" />
+    <uses-feature android:name="android.hardware.camera.any" />
+    <uses-permission android:name="android.permission.CAMERA" />
 
     <application
         android:name=".utils.map.UserClient"
@@ -50,6 +52,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".ui.activities.CameraActivity"/>
 
         <!--
            The API key for Google Maps-based APIs is defined as a string resource.
@@ -72,4 +75,4 @@
 
     </application>
 
-</manifest>
+</manifest>

app/src/main/java/com/ichangemycity/ichangemycommunity/model/LuminosityRowItem.java

@@ -0,0 +1,30 @@
+package com.ichangemycity.ichangemycommunity.model;
+
+import android.graphics.Bitmap;
+
+public class LuminosityRowItem {
+
+    private Bitmap image;
+    private float lumens;
+
+    public LuminosityRowItem(Bitmap image, float lumens) {
+        this.image = image;
+        this.lumens = lumens;
+    }
+
+    public Bitmap getImage() {
+        return image;
+    }
+
+    public float getLumens() {
+        return lumens;
+    }
+
+    public void setImage(Bitmap image) {
+        this.image = image;
+    }
+
+    public void setLumens(float lumens) {
+        this.lumens = lumens;
+    }
+}

app/src/main/java/com/ichangemycity/ichangemycommunity/model/SurveyQuestions.java

@@ -0,0 +1,31 @@
+package com.ichangemycity.ichangemycommunity.model;
+
+import java.util.ArrayList;
+
+//TODO: Modify accordingly. Survey questions model coming from backend
+public class SurveyQuestions {
+
+    private String question;
+    private ArrayList<String> options;
+
+    public SurveyQuestions(String question, ArrayList<String> options) {
+        this.question = question;
+        this.options = options;
+    }
+
+    public String getQuestion() {
+        return question;
+    }
+
+    public void setQuestion(String question) {
+        this.question = question;
+    }
+
+    public ArrayList<String> getOptions() {
+        return options;
+    }
+
+    public void setOptions(ArrayList<String> options) {
+        this.options = options;
+    }
+}

app/src/main/java/com/ichangemycity/ichangemycommunity/ui/activities/CameraActivity.java

@@ -0,0 +1,113 @@
+package com.ichangemycity.ichangemycommunity.ui.activities;
+
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.camera.core.CameraSelector;
+import androidx.camera.core.ImageCapture;
+import androidx.camera.core.ImageCaptureException;
+import androidx.camera.core.Preview;
+import androidx.camera.lifecycle.ProcessCameraProvider;
+import androidx.camera.view.PreviewView;
+import androidx.core.content.ContextCompat;
+import androidx.lifecycle.LifecycleOwner;
+
+import com.google.common.util.concurrent.ListenableFuture;
+import com.ichangemycity.ichangemycommunity.R;
+import com.ichangemycity.ichangemycommunity.utils.camera.CameraUtils;
+
+import java.io.File;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+
+public class CameraActivity extends AppCompatActivity {
+
+    private CameraUtils cameraUtils;
+    private Button mCaptureBtn;
+    private static final String FILENAME = "yyyy-MM-dd-HH-mm-ss-SSS";
+    private static final String PHOTO_EXTENSION = ".jpg";
+    Preview preview;
+    ImageCapture imageCapture;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.camera_activity);
+
+        cameraUtils = new CameraUtils();
+        cameraUtils.verifyStoragePermissions(this);
+        mCaptureBtn = findViewById(R.id.camera_capture_button);
+
+        PreviewView previewView = findViewById(R.id.viewFinder);
+        startCamera(previewView);
+
+        mCaptureBtn.setOnClickListener(new View.OnClickListener() {
+            @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
+            @Override
+            public void onClick(View v) {
+                captureImage();
+            }
+        });
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
+    private void captureImage() {
+
+        File photoFile = cameraUtils.createFile(cameraUtils.getOutputDirectory(this), FILENAME, PHOTO_EXTENSION);
+
+        ImageCapture.OutputFileOptions outputFileOptions = new ImageCapture.OutputFileOptions.Builder(photoFile).build();
+
+        imageCapture.takePicture(outputFileOptions, Executors.newSingleThreadExecutor(),
+                new ImageCapture.OnImageSavedCallback() {
+                    @Override
+                    public void onImageSaved(ImageCapture.OutputFileResults outputFileResults) {
+                        Uri savedUri = Uri.fromFile(photoFile);
+                    }
+
+                    @Override
+                    public void onError(ImageCaptureException error) {
+                        Log.d("TAG", error.toString());
+
+                    }
+                });
+    }
+
+    private void startCamera(PreviewView previewView) {
+        ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(this);
+        cameraProviderFuture.addListener(() -> {
+            try {
+                ProcessCameraProvider cameraProvider = cameraProviderFuture.get();
+                bindPreviewAndImageCapture(cameraProvider, previewView);
+            } catch (ExecutionException | InterruptedException e) {
+                // No errors need to be handled for this Future.
+                // This should never be reached.
+            }
+        }, ContextCompat.getMainExecutor(this));
+    }
+
+    public void bindPreviewAndImageCapture(@NonNull ProcessCameraProvider cameraProvider, PreviewView previewView) {
+
+        preview = new Preview.Builder().build();
+        imageCapture = new ImageCapture.Builder().setTargetRotation(previewView.getDisplay().getRotation()).build();
+
+
+        CameraSelector cameraSelector = new CameraSelector.Builder()
+                .requireLensFacing(CameraSelector.LENS_FACING_BACK)
+                .build();
+
+        preview.setSurfaceProvider(previewView.getSurfaceProvider());
+
+        cameraProvider.unbindAll();
+        cameraProvider.bindToLifecycle((LifecycleOwner) this, cameraSelector, preview, imageCapture);
+    }
+
+}

app/src/main/java/com/ichangemycity/ichangemycommunity/ui/adapters/LuminosityAdapter.java

@@ -0,0 +1,62 @@
+package com.ichangemycity.ichangemycommunity.ui.adapters;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.ichangemycity.ichangemycommunity.R;
+import com.ichangemycity.ichangemycommunity.model.LuminosityRowItem;
+
+public class LuminosityAdapter extends RecyclerView.Adapter<LuminosityAdapter.ViewHolder> {
+
+    private LuminosityRowItem luminosityData[];
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        private final TextView thumbnailText;
+        private final ImageView thumbnail;
+
+        public ViewHolder(View view) {
+            super(view);
+            thumbnail = view.findViewById(R.id.thumbnail);
+            thumbnailText = view.findViewById(R.id.thumbnail_text);
+        }
+
+        public TextView getThumbnailText() {
+            return thumbnailText;
+        }
+
+        public ImageView getThumbnail() {
+            return thumbnail;
+        }
+    }
+
+    public LuminosityAdapter(LuminosityRowItem luminosityData[]) {
+        this.luminosityData = luminosityData;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.recycler_view_item, parent, false);
+
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        holder.thumbnail.setImageBitmap(luminosityData[position].getImage());
+        holder.thumbnailText.setText(luminosityData[position].getLumens() + " Lumens");
+    }
+
+    @Override
+    public int getItemCount() {
+        return luminosityData.length;
+    }
+}

app/src/main/java/com/ichangemycity/ichangemycommunity/ui/adapters/SurveyQuestionsAdapter.java

@@ -0,0 +1,64 @@
+package com.ichangemycity.ichangemycommunity.ui.adapters;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.RadioGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.ichangemycity.ichangemycommunity.R;
+import com.ichangemycity.ichangemycommunity.model.LuminosityRowItem;
+import com.ichangemycity.ichangemycommunity.model.SurveyQuestions;
+
+public class SurveyQuestionsAdapter extends RecyclerView.Adapter<SurveyQuestionsAdapter.ViewHolder> {
+
+    private SurveyQuestions surveyQuestions[];
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        private final TextView question;
+        private final RadioGroup options;
+
+        public ViewHolder(View view) {
+            super(view);
+            options = view.findViewById(R.id.thumbnail);
+            question = view.findViewById(R.id.thumbnail_text);
+        }
+
+        public TextView getQuestion() {
+            return question;
+        }
+
+        public RadioGroup getOptions() {
+            return options;
+        }
+    }
+
+    public SurveyQuestionsAdapter(SurveyQuestions surveyQuestions[]) {
+        this.surveyQuestions = surveyQuestions;
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.recycler_view_item, parent, false);
+
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+
+        /*holder.options.setImageBitmap(surveyQuestions[position].getImage());
+        holder.question.setText(surveyQuestions[position].getLumens() + " Lumens");*/
+    }
+
+    @Override
+    public int getItemCount() {
+        return surveyQuestions.length;
+    }
+}