Initial commit

Author: ajeet2511

.gitattributes

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+# Auto detect text files and perform LF normalization
+* text=auto

.gitignore

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

.idea/caches/build_file_checksums.ser

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+# Text Detection Using MLKit

.idea/codeStyles/Project.xml

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+/build

.idea/gradle.xml

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.ajeetkumar.textdetectionusingmlkit"
+        minSdkVersion 21
+        targetSdkVersion 22
+        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-v7:28.0.0-rc01'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
+
+    // ML Kit dependencies
+    implementation 'com.google.firebase:firebase-core:16.0.3'
+    implementation 'com.google.firebase:firebase-ml-vision:17.0.0'
+
+    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'
+}
+
+apply plugin: 'com.google.gms.google-services'

.idea/misc.xml

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+# 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

.idea/runConfigurations.xml

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+package com.ajeetkumar.textdetectionusingmlkit;
+
+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.ajeetkumar.textdetectionusingmlkit", appContext.getPackageName());
+	}
+}

.idea/vcs.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.ajeetkumar.textdetectionusingmlkit">
+
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+    <uses-feature android:name="android.hardware.camera" />
+    <uses-feature android:name="android.hardware.camera.autofocus" />
+
+    <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">
+
+        <meta-data
+            android:name="com.google.firebase.ml.vision.DEPENDENCIES"
+            android:value="ocr" />
+
+        <activity android:name=".MainActivity"
+            android:screenOrientation="portrait">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

README.md

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+package com.ajeetkumar.textdetectionusingmlkit;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.ajeetkumar.textdetectionusingmlkit.camera.CameraSource;
+import com.ajeetkumar.textdetectionusingmlkit.camera.CameraSourcePreview;
+import com.ajeetkumar.textdetectionusingmlkit.others.GraphicOverlay;
+import com.ajeetkumar.textdetectionusingmlkit.text_detection.TextRecognitionProcessor;
+import com.google.firebase.FirebaseApp;
+
+import java.io.IOException;
+
+public class MainActivity extends AppCompatActivity {
+
+	//region ----- Instance Variables -----
+
+	private CameraSource cameraSource = null;
+	private CameraSourcePreview preview;
+	private GraphicOverlay graphicOverlay;
+
+	private static String TAG = MainActivity.class.getSimpleName().toString().trim();
+
+	//endregion
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_main);
+
+		//FirebaseApp.initializeApp(this);
+
+		preview = (CameraSourcePreview) findViewById(R.id.camera_source_preview);
+		if (preview == null) {
+			Log.d(TAG, "Preview is null");
+		}
+		graphicOverlay = (GraphicOverlay) findViewById(R.id.graphics_overlay);
+		if (graphicOverlay == null) {
+			Log.d(TAG, "graphicOverlay is null");
+		}
+
+		createCameraSource();
+		startCameraSource();
+	}
+
+	@Override
+	public void onResume() {
+		super.onResume();
+		Log.d(TAG, "onResume");
+		startCameraSource();
+	}
+
+	/** Stops the camera. */
+	@Override
+	protected void onPause() {
+		super.onPause();
+		preview.stop();
+	}
+
+	@Override
+	public void onDestroy() {
+		super.onDestroy();
+		if (cameraSource != null) {
+			cameraSource.release();
+		}
+	}
+
+	private void createCameraSource() {
+
+		if (cameraSource == null) {
+			cameraSource = new CameraSource(this, graphicOverlay);
+			cameraSource.setFacing(CameraSource.CAMERA_FACING_BACK);
+		}
+
+		cameraSource.setMachineLearningFrameProcessor(new TextRecognitionProcessor());
+	}
+
+	private void startCameraSource() {
+		if (cameraSource != null) {
+			try {
+				if (preview == null) {
+					Log.d(TAG, "resume: Preview is null");
+				}
+				if (graphicOverlay == null) {
+					Log.d(TAG, "resume: graphOverlay is null");
+				}
+				preview.start(cameraSource, graphicOverlay);
+			} catch (IOException e) {
+				Log.e(TAG, "Unable to start camera source.", e);
+				cameraSource.release();
+				cameraSource = null;
+			}
+		}
+	}
+}