Add exif support

Applying patch from unfinished MR
Source: hkk595#8

Author: Marius Merkevicius

build.gradle

@@ -1,23 +1,30 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext.kotlin_version = '1.2.51'
+
     repositories {
         google()
         jcenter()
+        maven { url 'https://maven.google.com' }
+        maven { url "https://jitpack.io" }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.1.3'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
 allprojects {
     repositories {
         google()
         jcenter()
+        maven { url 'https://maven.google.com' }
+        maven { url "https://jitpack.io" }
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Tue Nov 21 01:40:52 HKT 2017
+#Tue Jul 10 18:02:03 AST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

app/.gitignore library/.gitignore

@@ -1,13 +1,13 @@
 apply plugin: 'com.android.library'
 apply plugin: 'com.github.dcendents.android-maven'
 
-group='com.github.hkk595'
+group = 'com.github.hkk595'
 
 android {
-    compileSdkVersion 26
+    compileSdkVersion 27
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 26
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -22,10 +22,15 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.1'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    implementation "com.github.jkwiecien:EasyImage:2.0.4"
 
-    compile 'io.reactivex.rxjava2:rxjava:2.1.6'
+    implementation 'io.reactivex.rxjava2:rxjava:2.1.6'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
 }
+
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'

app/build.gradle library/build.gradle

@@ -2,6 +2,8 @@
 
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Matrix;
+import android.media.ExifInterface;
 
 import java.io.File;
 import java.io.IOException;
@@ -12,7 +14,7 @@
 
 public class ImageUtils {
     public static File getScaledImage(int targetLength, int quality, Bitmap.CompressFormat compressFormat,
-            String outputDirPath, String outputFilename, File sourceImage) throws IOException {
+                                      String outputDirPath, String outputFilename, File sourceImage) throws IOException {
         File directory = new File(outputDirPath);
         if (!directory.exists()) {
             directory.mkdirs();
@@ -28,7 +30,7 @@ public static File getScaledImage(int targetLength, int quality, Bitmap.Compress
         return new File(outputFilePath);
     }
 
-    public static Bitmap getScaledBitmap(int targetLength, File sourceImage) {
+    public static Bitmap getScaledBitmap(int targetLength, File sourceImage) throws IOException {
         BitmapFactory.Options options = new BitmapFactory.Options();
         options.inJustDecodeBounds = false;
         Bitmap bitmap = BitmapFactory.decodeFile(sourceImage.getAbsolutePath(), options);
@@ -50,6 +52,20 @@ public static Bitmap getScaledBitmap(int targetLength, File sourceImage) {
             targetWidth = Math.round(targetHeight / aspectRatio);
         }
 
-        return Bitmap.createScaledBitmap(bitmap, targetWidth, targetHeight, true);
+        Bitmap scaledBitmap = Bitmap.createScaledBitmap(bitmap, targetWidth, targetHeight, true);
+
+        //check the rotation of the image and display it properly
+        ExifInterface exif;
+        exif = new ExifInterface(sourceImage.getAbsolutePath());
+        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 0);
+        Matrix matrix = new Matrix();
+        if (orientation == 6) {
+            matrix.postRotate(90);
+        } else if (orientation == 3) {
+            matrix.postRotate(180);
+        } else if (orientation == 8) {
+            matrix.postRotate(270);
+        }
+        return Bitmap.createBitmap(scaledBitmap, 0, 0, scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix, true);
     }
 }

app/proguard-rules.pro library/proguard-rules.pro

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

app/src/androidTest/java/me/echodev/resizer/ExampleInstrumentedTest.java library/src/androidTest/java/me/echodev/resizer/ExampleInstrumentedTest.java

@@ -0,0 +1,32 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        minSdkVersion 16
+        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 project(':library')
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
+    implementation "com.github.jkwiecien:EasyImage:2.0.4"
+    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'
+}

app/src/main/AndroidManifest.xml library/src/main/AndroidManifest.xml

@@ -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

app/src/main/java/me/echodev/resizer/Resizer.java library/src/main/java/me/echodev/resizer/Resizer.java

@@ -0,0 +1,24 @@
+package cupcake.com.myapplication
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getTargetContext()
+        assertEquals("cupcake.com.myapplication", appContext.packageName)
+    }
+}

app/src/main/java/me/echodev/resizer/util/FileUtils.java library/src/main/java/me/echodev/resizer/util/FileUtils.java

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="cupcake.com.myapplication">
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+    <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>

app/src/main/java/me/echodev/resizer/util/ImageUtils.java library/src/main/java/me/echodev/resizer/util/ImageUtils.java

@@ -0,0 +1,50 @@
+package cupcake.com.myapplication
+
+import android.content.Intent
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.util.Log
+import kotlinx.android.synthetic.main.activity_main.*
+import me.echodev.resizer.Resizer
+import pl.aprilapps.easyphotopicker.EasyImage
+import java.io.File
+
+class MainActivity : AppCompatActivity() {
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        EasyImage.configuration(this).setAllowMultiplePickInGallery(true)
+        EasyImage.openCamera(this, 155)
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        EasyImage.handleActivityResult(requestCode, resultCode, data, this, object : EasyImage.Callbacks {
+            override fun onImagePickerError(e: Exception, source: EasyImage.ImageSource, type: Int) {
+
+            }
+
+            override fun onImagesPicked(imageFiles: List<File>, source: EasyImage.ImageSource, type: Int) {
+                val resizedImage = Resizer(this@MainActivity)
+                        .setTargetLength(512)
+                        .setSourceImage(imageFiles[0])
+                        .resizedBitmap
+
+                image.setImageBitmap(resizedImage)
+            }
+
+            override fun onCanceled(source: EasyImage.ImageSource, type: Int) {
+                if (source == EasyImage.ImageSource.CAMERA) {
+                    val photoFile = EasyImage.lastlyTakenButCanceledPhoto(this@MainActivity)
+                    if (photoFile != null) {
+                        val x = photoFile.delete()
+                        Log.i("TAG", "onCanceled: pictureDeleted =$x")
+                    }
+                }
+            }
+        })
+    }
+
+}

app/src/main/res/drawable/library_logo.png library/src/main/res/drawable/library_logo.png

@@ -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>