Improve logging infrastructure

app/src/main/java/exh/log/CrashlyticsPrinter.kt

@@ -0,0 +1,25 @@
+package exh.log
+
+import com.crashlytics.android.Crashlytics
+import com.elvishew.xlog.printer.Printer
+import eu.kanade.tachiyomi.BuildConfig
+
+class CrashlyticsPrinter(private val logLevel: Int) : Printer {
+    /**
+     * Print log in new line.
+     *
+     * @param logLevel the level of log
+     * @param tag      the tag of log
+     * @param msg      the msg of log
+     */
+    override fun println(logLevel: Int, tag: String?, msg: String?) {
+        if(logLevel >= this.logLevel) {
+            try {
+                Crashlytics.log(logLevel, tag, msg)
+            } catch (t: Throwable) {
+                // Crash in debug if shit like this happens
+                if(BuildConfig.DEBUG) throw t
+            }
+        }
+    }
+}