init commit

.gitignore

@@ -0,0 +1,46 @@
+
+*/.gitignore
+.gradle
+.DS_Store
+
+# built application files
+*.apk
+*.ap_
+
+# files for the dex VM
+*.dex
+
+# Java class files
+*.class
+
+# generated files
+bin/
+out/
+gen/
+captures/
+
+# Libraries used by the app
+# Can explicitly add if we want, but shouldn't do so blindly.  Licenses, bloat, etc.
+/libs
+
+
+# Build stuff (auto-generated by android update project ...)
+build.xml
+ant.properties
+local.properties
+project.properties
+
+# Eclipse project files
+.classpath
+.project
+
+# idea project files
+.idea/
+.idea/.name
+*.iml
+*.ipr
+*.iws
+
+##Gradle-based build
+.gradle
+build/

SensorSurvey/app/.gitignore

@@ -0,0 +1 @@
+/build

SensorSurvey/app/build.gradle

@@ -0,0 +1,28 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "com.crazypudding.practice.sensorsurvey"
+        minSdkVersion 19
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}

SensorSurvey/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

SensorSurvey/app/src/androidTest/java/com/crazypudding/practice/sensorsurvey/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.crazypudding.practice.sensorsurvey;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.crazypudding.practice.sensorsurvey", appContext.getPackageName());
+    }
+}

SensorSurvey/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.crazypudding.practice.sensorsurvey">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

SensorSurvey/app/src/main/java/com/crazypudding/practice/sensorsurvey/MainActivity.java

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+package com.crazypudding.practice.sensorsurvey;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.widget.TextView;
+
+import java.util.Random;
+
+public class MainActivity extends AppCompatActivity
+        implements SensorEventListener {
+
+    private SensorManager mSensorManager;
+
+    // Individual light and proximity sensor.
+    private Sensor mSensorProximity;
+    private Sensor mSensorLight;
+
+    // TextView to display current sensor values.
+    private TextView mTextSensorLight;
+    private TextView mTextSensorProximity;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        // Get instance of the sensorManager.
+        mSensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE);
+
+        mTextSensorLight = findViewById(R.id.label_light);
+        mTextSensorProximity = findViewById(R.id.label_proximity);
+
+        // Get instance of the default light and proximity sensor.
+        mSensorLight = mSensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);
+        mSensorProximity = mSensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY);
+
+        String sensor_error = getResources().getString(R.string.error_no_sensor);
+
+        if (mSensorLight == null) {
+            mTextSensorLight.setText(sensor_error);
+        }
+
+        if (mSensorProximity == null) {
+            mTextSensorProximity.setText(sensor_error);
+        }
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+
+        if (mSensorProximity != null) {
+            mSensorManager.registerListener(this, mSensorProximity, SensorManager.SENSOR_DELAY_NORMAL);
+        }
+        if (mSensorLight != null) {
+            mSensorManager.registerListener(this, mSensorLight, SensorManager.SENSOR_DELAY_NORMAL);
+        }
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        mSensorManager.unregisterListener(this);
+    }
+
+    private int getRGBValue() {
+        return new Random().nextInt(255);
+    }
+
+    // Change the windowBackground when the difference exceeds 10.
+    float oldLight = 0;
+    private void changeWindowBackground(float light) {
+        if (Math.abs(light - oldLight) > 10) {
+            getWindow().getDecorView().setBackgroundColor(Color.rgb(getRGBValue(), getRGBValue(), getRGBValue()));
+        }
+        oldLight = light;
+    }
+
+    @Override
+    public void onSensorChanged(SensorEvent event) {
+        // Get the sensor type.
+        int sensorType = event.sensor.getType();
+
+        // Get the sensor value. Depending on the sensor type,
+        // the values array may contain a single piece of data or a multidimensional array full of data.
+        float currentValue = event.values[0];
+
+        switch (sensorType) {
+            // Event came from the light sensor.
+            case Sensor.TYPE_LIGHT:
+                mTextSensorLight.setText(getResources().getString(R.string.label_light, currentValue));
+                changeWindowBackground(currentValue);
+                break;
+            // Event came from the proximity sensor.
+            case Sensor.TYPE_PROXIMITY:
+                mTextSensorProximity.setText(getResources().getString(R.string.label_proximity, currentValue));
+            default:
+                // do nothing
+        }
+    }
+
+    @Override
+    public void onAccuracyChanged(Sensor sensor, int accuracy) {
+
+    }
+}

SensorSurvey/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>