Add code quality tools (#42)

CHANGES.md

@@ -1,5 +1,9 @@
 # Changelog
 
+# 3.1.0
+
+- Add `pmd`, `checkstyle`, `spotbugs` tools to build system ([#40](https://github.com/hCaptcha/hcaptcha-android-sdk/issues/40))
+
 # 3.0.0
 
 - Add new boolean config option `HCaptchaConfig.hideDialog`.

build.gradle

@@ -3,10 +3,10 @@ buildscript {
     repositories {
         google()
         mavenCentral()
+        maven { url 'https://jitpack.io' }
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:4.1.3'
-
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }

example-app/src/main/AndroidManifest.xml

@@ -5,6 +5,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"

example-app/src/main/java/com/hcaptcha/example/App.java

@@ -0,0 +1,26 @@
+package com.hcaptcha.example;
+
+import android.app.Application;
+import android.os.StrictMode;
+
+public class App extends Application {
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        if (BuildConfig.DEBUG) {
+            StrictMode.setThreadPolicy(
+                    new StrictMode.ThreadPolicy.Builder()
+                            .detectAll()
+                            .penaltyLog()
+                            .build()
+            );
+            StrictMode.setVmPolicy(
+                    new StrictMode.VmPolicy.Builder()
+                            .detectAll()
+                            .penaltyLog()
+                            .build()
+            );
+        }
+    }
+}