[#268] Enable strict mode for demo-app

demo-app/src/main/java/cash/z/ecc/android/sdk/demoapp/App.kt

@@ -9,6 +9,10 @@ class App : Application() {
     override fun onCreate() {
         super.onCreate()
 
+        if (BuildConfig.DEBUG) {
+            StrictModeHelper.enableStrictMode()
+        }
+
         Twig.plant(TroubleshootingTwig())
     }
 }

demo-app/src/main/java/cash/z/ecc/android/sdk/demoapp/StrictModeHelper.kt

@@ -0,0 +1,61 @@
+package cash.z.ecc.android.sdk.demoapp
+
+import android.annotation.SuppressLint
+import android.os.Build
+import android.os.Handler
+import android.os.Looper
+import android.os.StrictMode
+
+
+object StrictModeHelper {
+
+    fun enableStrictMode() {
+        configureStrictMode()
+
+        // Workaround for Android bug
+        // https://issuetracker.google.com/issues/36951662
+        // Not needed if target O_MR1 and running on O_MR1
+        // Don't really need to check target, because of Google Play enforcement on targetSdkVersion for app updates
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O_MR1) {
+            Handler(Looper.getMainLooper()).postAtFrontOfQueue { configureStrictMode() }
+        }
+    }
+
+    @SuppressLint("NewApi")
+    private fun configureStrictMode() {
+        StrictMode.enableDefaults()
+
+        StrictMode.setThreadPolicy(
+            StrictMode.ThreadPolicy.Builder().apply {
+                detectAll()
+                penaltyLog()
+            }.build()
+        )
+
+        // Don't enable missing network tags, because those are noisy.
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            StrictMode.setVmPolicy(
+                StrictMode.VmPolicy.Builder().apply {
+                    detectActivityLeaks()
+                    detectCleartextNetwork()
+                    detectContentUriWithoutPermission()
+                    detectFileUriExposure()
+                    detectLeakedClosableObjects()
+                    detectLeakedRegistrationObjects()
+                    detectLeakedSqlLiteObjects()
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+                        // Disable because this is mostly flagging Android X and Play Services
+                        // builder.detectNonSdkApiUsage();
+                    }
+                }.build()
+            )
+        } else {
+            StrictMode.setVmPolicy(
+                StrictMode.VmPolicy.Builder().apply {
+                    detectAll()
+                    penaltyLog()
+                }.build()
+            )
+        }
+    }
+}