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 # openalpr-android
-Android Automatic License Plate Recognition library based on http://www.openalpr.com
+
+OpenALPR is an open source Automatic License Plate Recognition library written in C++ with bindings in C#, Java, Node.js, and Python. This project ports this library to Android.
+
+![Screenshot](images/screenshot.png "Main Activity Sample application")
+
+# Gradle Dependency
+
+## Repository
+
+First, add the following to your app's `build.gradle` file:
+
+```Gradle
+repositories {
+    maven { url "https://jitpack.io" }
+}
+```
+
+Them include the openalpr-android dependency:
+
+```gradle
+dependencies {
+
+    // ... other dependencies here.
+    // Set the transitive = false if you already have the Design Support Library dependency.
+    compile('com.github.SandroMachado:openalpr-android:1.0.0@aar') {
+        transitive = true
+    }
+}
+```
+
+# Usage
+
+## Code
+
+Copy the [OpenALPR configuration file](./openalpr.conf) to your android project assets directory `/main/assets/runtime_data/openalpr.conf` and update the `runtime_dir` to your project directory (for instance, for the sample project the directory is: `runtime_dir = /data/data/com.sandro.openalprsample/runtime_data`). After that just follow the code example bellow. To see a full example check the [sample application](./Sample/OpenALPRSample/app/src/main/java/com/sandro/openalprsample/MainActivity.java).
+
+```Java
+
+static final String ANDROID_DATA_DIR = "/data/data/com.sandro.openalprsample";
+
+final String openAlprConfFile = ANDROID_DATA_DIR + File.separatorChar + "runtime_data" + File.separatorChar + "openalpr.conf";
+
+String result = OpenALPR.Factory.create(MainActivity.this, ANDROID_DATA_DIR).recognizeWithCountryRegionNConfig("us", "", image.getAbsolutePath(), openAlprConfFile, 10);
+```
+
+## Interface
+
+```Java
+/*
+ Method interface.
+*/
+
+/**
+ * Recognizes the licence plate.
+ *
+ * @param country        - Country code to identify (either us for USA or eu for Europe). Default=us.
+ * @param region         -  Attempt to match the plate number against a region template (e.g., md for Maryland, ca for California).
+ * @param imgFilePath    - Image containing the license plate.
+ * @param configFilePath - Config file path (default /etc/openalpr/openalpr.conf)
+ * @param topN           - Max number of possible plate numbers to return(default 10)
+ *
+ * @return - JSON string of results
+ */
+ 
+public String recognizeWithCountryRegionNConfig(String country, String region, String configFilePath, String imgFilePath, int topN);
+
+```
+# Sample Application
+
+The repository also includes a [sample application](./Sample/OpenALPRSample) that can be tested with Android Studio.
+
+![Screencast](images/screencast.gif "Main Activity Sample application screencast")
+
+# Credits
+
+ - [https://github.com/openalpr/openalpr](https://github.com/openalpr/openalpr) (the project repository)
+ - [https://github.com/sujaybhowmick/OpenAlprDroidApp](https://github.com/sujaybhowmick/OpenAlprDroidApp) (for the compiled sources and for the sample that helped me to port the project to an android library)
+
+
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