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‎Compass/.gitignore

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*.iml
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild

‎Compass/.idea/encodings.xml

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‎Compass/.idea/gradle.xml

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‎Compass/.idea/misc.xml

+9
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‎Compass/.idea/runConfigurations.xml

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‎Compass/app/.gitignore

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/build

‎Compass/app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 28
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defaultConfig {
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applicationId "com.josancamon19.compass"
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minSdkVersion 15
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targetSdkVersion 28
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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}
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dependencies {
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implementation fileTree(dir: 'libs', include: ['*.jar'])
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implementation 'com.android.support:appcompat-v7:28.0.0'
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implementation 'com.android.support.constraint:constraint-layout:1.1.3'
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testImplementation 'junit:junit:4.12'
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androidTestImplementation 'com.android.support.test:runner:1.0.2'
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
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}

‎Compass/app/proguard-rules.pro

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

‎Compass/app/src/androidTest/java/com/josancamon19/compass/ExampleInstrumentedTest.java

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package com.josancamon19.compass;
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import android.content.Context;
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import android.support.test.InstrumentationRegistry;
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import android.support.test.runner.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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@RunWith(AndroidJUnit4.class)
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public class ExampleInstrumentedTest {
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@Test
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public void useAppContext() {
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// Context of the app under test.
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Context appContext = InstrumentationRegistry.getTargetContext();
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assertEquals("com.josancamon19.compass", appContext.getPackageName());
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}
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}

‎Compass/app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.josancamon19.compass">
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/AppTheme">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎Compass/app/src/main/java/com/josancamon19/compass/MainActivity.java

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package com.josancamon19.compass;
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import android.hardware.Sensor;
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import android.hardware.SensorEvent;
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import android.hardware.SensorEventListener;
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import android.hardware.SensorManager;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import com.josancamon19.compass.custom_views.CompassView;
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public class MainActivity extends AppCompatActivity implements SensorEventListener {
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private CompassView compass;
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SensorManager sensorManager;
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private float[] valuesAccelerometer;
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private float[] valuesMagneticField;
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private float[] matrixR;
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private float[] matrixI;
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private float[] matrixValues;
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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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setContentView(R.layout.activity_main);
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compass = findViewById(R.id.compass);
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sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
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valuesAccelerometer = new float[3];
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valuesMagneticField = new float[3];
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matrixR = new float[9];
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matrixI = new float[9];
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matrixValues = new float[3];
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}
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@Override
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protected void onResume() {
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super.onResume();
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sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD), SensorManager.SENSOR_DELAY_GAME);
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sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_GAME);
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}
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@Override
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protected void onPause() {
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super.onPause();
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sensorManager.unregisterListener(this);
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}
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@Override
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public void onSensorChanged(SensorEvent event) {
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switch (event.sensor.getType()) {
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case Sensor.TYPE_ACCELEROMETER:
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// This array copy is like a for ... [0,3]
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System.arraycopy(event.values, 0, valuesAccelerometer, 0, 3);
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break;
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case Sensor.TYPE_MAGNETIC_FIELD:
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System.arraycopy(event.values, 0, valuesMagneticField, 0, 3);
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break;
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}
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boolean success = SensorManager.getRotationMatrix(
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matrixR,
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matrixI,
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valuesAccelerometer,
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valuesMagneticField);
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if (success) {
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SensorManager.getOrientation(matrixR, matrixValues);
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compass.update(matrixValues[0]);
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}
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}
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@Override
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public void onAccuracyChanged(Sensor sensor, int accuracy) {
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}
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}

‎Compass/app/src/main/java/com/josancamon19/compass/custom_views/CompassView.java

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package com.josancamon19.compass.custom_views;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.os.Build;
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import android.support.annotation.Nullable;
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import android.support.annotation.RequiresApi;
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import android.util.AttributeSet;
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import android.view.View;
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public class CompassView extends View {
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private Paint mPaintCircle;
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private Paint mPaintLine;
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private float direction;
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public CompassView(Context context) {
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super(context);
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init(null);
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}
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public CompassView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(attrs);
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}
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public CompassView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init(attrs);
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}
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@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
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public CompassView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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init(attrs);
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}
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private void init(@Nullable AttributeSet attributeSet) {
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mPaintCircle = new Paint(Paint.ANTI_ALIAS_FLAG);
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mPaintCircle.setColor(Color.GRAY);
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mPaintLine = new Paint(Paint.ANTI_ALIAS_FLAG);
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mPaintLine.setColor(Color.RED);
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mPaintLine.setStrokeWidth(6);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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int w = getWidth();
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int h = getHeight();
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int pl = getPaddingLeft();
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int pr = getPaddingRight();
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int pt = getPaddingTop();
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int pb = getPaddingBottom();
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int usableWidth = w - (pl + pr);
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int usableHeight = h - (pt + pb);
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int radius = Math.min(usableWidth, usableHeight) / 2;
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int cx = pl + (usableWidth / 2);
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int cy = pt + (usableHeight / 2);
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canvas.drawCircle(cx, cy, radius, mPaintCircle);
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int mw = getMeasuredWidth();
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int mh = getMeasuredHeight();
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canvas.drawLine(
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mw/2,
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mh/2,
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(float)(w/2 + radius * Math.sin(-direction)),
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(float)(h/2 - radius * Math.cos(-direction)),
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mPaintLine);
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}
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public void update(float dir){
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direction = dir;
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invalidate();
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}
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}

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

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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:aapt="http://schemas.android.com/aapt"
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android:width="108dp"
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android:height="108dp"
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android:viewportWidth="108"
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android:viewportHeight="108">
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<path
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android:fillType="evenOdd"
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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"
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android:strokeWidth="1"
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android:strokeColor="#00000000">
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<aapt:attr name="android:fillColor">
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<gradient
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android:endX="78.5885"
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android:endY="90.9159"
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android:startX="48.7653"
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android:startY="61.0927"
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android:type="linear">
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<item
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android:color="#44000000"
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android:offset="0.0" />
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<item
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android:color="#00000000"
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android:offset="1.0" />
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</gradient>
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</aapt:attr>
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</path>
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<path
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android:fillColor="#FFFFFF"
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android:fillType="nonZero"
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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"
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android:strokeWidth="1"
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android:strokeColor="#00000000" />
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</vector>

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