Allow disable File Logger (#20)

* Allow disable File Logger

* Remove share persisted log if file logger is disabled

Author: jdelga

library/src/enabled/java/com/telefonica/androidlogger/domain/AppLogger.kt

@@ -13,11 +13,17 @@ import java.util.concurrent.Executors
 internal var appLoggerBLInstance: AppLoggerBL? = null
 
 @JvmOverloads
-fun initAppLogger(context: Context, logCategories: List<LogCategory> = emptyList()) {
+fun initAppLogger(
+    context: Context,
+    logCategories: List<LogCategory> = emptyList(),
+    logToDisk: Boolean = true
+) {
     appLoggerBLInstance = AppLoggerBL(
-        fileLogger = AppFileLogger(
-            appContext = context,
-            executor = Executor(Executors.newSingleThreadExecutor())),
+        fileLogger = if (logToDisk) {
+            AppFileLogger(context,Executor(Executors.newSingleThreadExecutor()))
+        } else {
+            null
+        },
         consoleLogger = AppConsoleLogger()
     ).apply {
         init(context, logCategories)
@@ -35,6 +41,9 @@ internal fun getLogs(): LiveData<List<LogEntry>> =
 internal fun getCategories(): List<LogCategory> =
     appLoggerBLInstance?.categories ?: emptyList()
 
+internal fun arePersistedLogsEnabled() : Boolean =
+    appLoggerBLInstance?.arePersistedLogsEnabled() ?: false
+
 internal fun getPersistedLogs(callback: TaskCallback<Uri>) {
     appLoggerBLInstance?.getPersistedLogs(callback)
 }

library/src/enabled/java/com/telefonica/androidlogger/domain/AppLoggerBL.kt

@@ -12,7 +12,7 @@ import java.util.*
 import kotlin.collections.ArrayList
 
 internal open class AppLoggerBL(
-        private val fileLogger: AppFileLogger,
+        private val fileLogger: AppFileLogger?,
         private val consoleLogger: AppConsoleLogger
 ) {
     private val logs: LinkedList<LogEntry> = LinkedList()
@@ -32,7 +32,7 @@ internal open class AppLoggerBL(
                     }
                 }.groupBy({ it.first }, { it.second })
         logsData.value = emptyList()
-        fileLogger.init()
+        fileLogger?.init()
     }
 
     open fun log(@LogPriority priority: Int, tag: String, message: String, throwable: Throwable?) {
@@ -47,19 +47,22 @@ internal open class AppLoggerBL(
                         message = messageToLog
                 )
         )
-        fileLogger.log(priority, tag, messageToLog)
+        fileLogger?.log(priority, tag, messageToLog)
         consoleLogger.log(priority, tag, messageToLog)
     }
 
     open fun getLogs(): LiveData<List<LogEntry>> =
             logsData
 
+    open fun arePersistedLogsEnabled(): Boolean =
+        fileLogger != null
+
     open fun getPersistedLogs(callback: TaskCallback<Uri>) {
-        fileLogger.getReport(callback)
+        fileLogger?.getReport(callback)
     }
 
     fun storeVisibleLogs(visibleLogs: String, callback: TaskCallback<Uri>) {
-        fileLogger.storeVisibleLogs(visibleLogs, callback)
+        fileLogger?.storeVisibleLogs(visibleLogs, callback)
     }
 
     private fun addLog(logEntry: LogEntry) {

library/src/enabled/java/com/telefonica/androidlogger/ui/AppLoggerActivity.kt

@@ -32,6 +32,7 @@ import com.google.android.material.chip.Chip
 import com.google.android.material.chip.ChipGroup
 import com.telefonica.androidlogger.R
 import com.telefonica.androidlogger.domain.LogCategory
+import com.telefonica.androidlogger.domain.arePersistedLogsEnabled
 import com.telefonica.androidlogger.io.executor.TaskCallback
 import com.telefonica.androidlogger.ui.adapter.LogListAdapter
 import com.telefonica.androidlogger.ui.viewmodel.AppLoggerViewModel
@@ -79,7 +80,9 @@ class AppLoggerActivity : AppCompatActivity() {
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.menu_app_logger, menu)
-
+        if (!arePersistedLogsEnabled()) {
+            menu.removeItem(R.id.action_share_all)
+        }
         searchView = (menu.findItem(R.id.action_search).actionView as SearchView).apply {
             val searchManager = getSystemService(Context.SEARCH_SERVICE) as SearchManager
             setSearchableInfo(searchManager.getSearchableInfo(componentName))