better read

app/src/main/java/org/wntr/mdeditor/MainActivity.kt

@@ -7,6 +7,7 @@ import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.net.Uri.parse
+import android.os.Build
 import android.os.Bundle
 import android.os.ParcelFileDescriptor
 import android.provider.DocumentsContract
@@ -16,6 +17,8 @@ import android.util.Log
 import android.view.Menu
 import android.view.Menu.NONE
 import android.view.MenuItem
+import android.view.WindowInsets
+import android.view.WindowManager
 import android.webkit.ConsoleMessage
 import android.webkit.JavascriptInterface
 import android.webkit.ValueCallback
@@ -175,11 +178,38 @@ class MainActivity : AppCompatActivity() {
                 return cursor.toString()
             }
 
+            @JavascriptInterface
+            fun isFullscreen() : Boolean{
+                return supportActionBar!!.isShowing
+            }
+
             @JavascriptInterface
             fun toggleBar() {
                 this@MainActivity.runOnUiThread({
-                    if (supportActionBar!!.isShowing) supportActionBar!!.hide()
+                    if (supportActionBar!!.isShowing) {
-                    else supportActionBar!!.show()
+                        @Suppress("DEPRECATION")
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                            window.insetsController?.hide(WindowInsets.Type.statusBars())
+                        } else {
+                            window.setFlags(
+                                WindowManager.LayoutParams.FLAG_FULLSCREEN,
+                                0
+                            )
+                        }
+                        supportActionBar!!.hide()
+                    }
+                    else {
+                        @Suppress("DEPRECATION")
+                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+                            window.insetsController?.show(WindowInsets.Type.statusBars())
+                        } else {
+                            window.setFlags(
+                                WindowManager.LayoutParams.FLAG_FULLSCREEN,
+                                WindowManager.LayoutParams.FLAG_FULLSCREEN
+                            )
+                        }
+                        supportActionBar!!.show()
+                    }
                 })
             }
         }
@@ -235,9 +265,11 @@ class MainActivity : AppCompatActivity() {
                     if (contentResolver.getType(parse(intent.dataString))!!.split("/")[0] == "text") {
                         readFile(intent.data!!)
                         intent.data = null
-                    }
+                        Log.d(javaClass.simpleName,"Loading on resume from intent data: ${intent.data}")
+                    } else {}
                 } else { // No start with intent data. Load previously used file
                     if (thisFileUri !== null) readFile(thisFileUri!!)
+                    Log.d(javaClass.simpleName,"Loading on resume from thisFileUri: ${thisFileUri}")
                 }
             }
             webView.evaluateJavascript("onRead();") {}
@@ -281,7 +313,7 @@ class MainActivity : AppCompatActivity() {
                 }
             }
         }
-        Log.i(javaClass.simpleName,"Uri: $uri")
+        Log.i(javaClass.simpleName,"Got a new intent with URI: $uri")
         if (uri != null && uri.toString()!="null") {
             intentScheme = uri.scheme!!
             if (intentScheme == "content") {
@@ -831,8 +863,8 @@ class MainActivity : AppCompatActivity() {
                     uri,
                     Intent.FLAG_GRANT_READ_URI_PERMISSION and Intent.FLAG_GRANT_WRITE_URI_PERMISSION
                 )
-                readFile(uri)
+                thisFileUri = uri
-
+                saveMetaToSharedPrefs()
                 if (metaData.metaData.get("url") == null) {
                     deleteVisible = false
                     invalidateOptionsMenu()
@@ -990,9 +1022,9 @@ class MainActivity : AppCompatActivity() {
                 ).show()
             })
         }
-        try {
+        CoroutineScope(Dispatchers.Main).launch {
-            CoroutineScope(Dispatchers.Main).launch {
+            withContext(Dispatchers.IO) {
-                withContext(Dispatchers.IO) {
+                try {
                     contentResolver.openInputStream(uri)?.use { inputStream ->
                         BufferedReader(InputStreamReader(inputStream)).use { reader ->
                             var i = ""
@@ -1003,39 +1035,42 @@ class MainActivity : AppCompatActivity() {
                                     i += line + '\n'
                                     line = reader.readLine()
                                 }
-                                mdeValue = metaData.extractMetadataFromMarkdown(i)
                             }
+                            mdeValue = metaData.extractMetadataFromMarkdown(i)
                         }
                     }
                 }
+                catch (e: java.io.FileNotFoundException) {
+                    Log.d(javaClass.simpleName, "File not found during reading:\n${e.stackTraceToString()}")
+                    this@MainActivity.runOnUiThread({
+                        selectFileForSaveAs()
+                        Toast.makeText(
+                            this@MainActivity,
+                            "File not found during reading.\n$e",
+                            Toast.LENGTH_LONG
+                        ).show()
+                    })
+                }
+                catch (e: Exception) {
+                    Log.d(javaClass.simpleName, e.stackTraceToString())
+                    this@MainActivity.runOnUiThread({
+                        Toast.makeText(
+                            this@MainActivity,
+                            "Error during reading.\n$e",
+                            Toast.LENGTH_LONG
+                        ).show()
+                    })
+                }
+                this@MainActivity.runOnUiThread({
+                    val script = "easyMDE.codemirror.doc.setValue(`${mdeValue}`);"
+                    Log.d(javaClass.simpleName, "executing in webview:\n${script}")
+                    webView.evaluateJavascript(script, {})
+                })
+                thisFileUri = uri
+                saveMetaToSharedPrefs()
+                Log.d(javaClass.simpleName,"File read: ${thisFileUri}")
             }
-        } catch (e: java.io.FileNotFoundException) {
-            Log.d(javaClass.simpleName, "File not found during reading:\n${e.stackTraceToString()}")
-            this.runOnUiThread({
-                selectFileForSaveAs()
-                Toast.makeText(
-                    this,
-                    "File not found during reading.\n$e",
-                    Toast.LENGTH_LONG
-                ).show()
-            })
-        }
-        catch (e: Exception) {
-            Log.d(javaClass.simpleName, e.stackTraceToString())
-            this.runOnUiThread({
-                Toast.makeText(
-                    this,
-                    "Error during reading.\n$e",
-                    Toast.LENGTH_LONG
-                ).show()
-            })
-            return false
         }
-        thisFileUri = uri
-        saveMetaToSharedPrefs()
-        this.runOnUiThread({
-            webView.evaluateJavascript("onRead();", {})
-        })
         return true
     }
 

app/src/main/res/raw/controller.js

@@ -68,7 +68,14 @@ function pasteText() {
     document.getElementsByClassName("CodeMirror-scroll")[0].dispatchEvent(event);
     saveFile()
 }
+
+windowHeight = window.innerHeight
 function toggleBar() {
+    if (Android.isFullscreen()) {
+        easyMDE.codemirror.getScrollerElement().style.height=String(windowHeight-40)+"px"
+    } else {
+        easyMDE.codemirror.getScrollerElement().style.height=String(windowHeight-120)+"px"
+    }
     Android.toggleBar()
     easyMDE.codemirror.focus()
 }
@@ -76,7 +83,7 @@ function toggleBar() {
 const easyMDE = new EasyMDE({
                 spellChecker: false,
                 nativeSpellcheck: false,
-                maxHeight: String(window.innerHeight-120)+"px",
+                maxHeight: String(windowHeight-120)+"px",
                 inputStyle: "textarea",
                 autoDownloadFontAwesome: false,
                 theme: "solarized",