update

app/src/main/java/xyz/mtfos/btdemo/MainActivity.kt

@@ -7,29 +7,46 @@ import android.content.pm.PackageManager
 import android.os.Build
 import android.os.Bundle
 import android.os.Handler
-import android.widget.Button
+import android.widget.*
-import android.widget.EditText
-import kotlinx.android.synthetic.main.activity_main.*
 import xyz.mtfos.btdemo.objectTool.bind
 
 /**
  * Created by jay on 2017/8/9.
  */
 class MainActivity : Activity() {
+    val mainLay: LinearLayout by bind(R.id.mainlay)
+
     val intxt: EditText by bind(R.id.intxt)
     val btn: Button by bind(R.id.bt)
     val connectBtn: Button by bind(R.id.connect)
     val disconnectBtn: Button by bind(R.id.disconnect)
     var ble: PrinterBle? = null
+    val alignSpinner: Spinner by bind(R.id.align)
+    val sizeSpinner: Spinner by bind(R.id.size)
+    val alignBtn: Button by bind(R.id.btn_align)
+    val sizeBtn: Button by bind(R.id.btn_size)
+
+    val addHR: Button by bind(R.id.addHR)
+    val addNL: Button by bind(R.id.addNL)
+    val addTAB: Button by bind(R.id.addTAB)
+    val addTXT: Button by bind(R.id.addTXT)
+
+    val preview: TextView by bind(R.id.preview)
+
     val uiHandler: Handler = Handler()
     var th: Thread? = null
     var thrun: Boolean = false
     var isInit: Boolean = false
+    val alignArr: Array<String> = arrayOf("Left", "Center", "Right")
+    val sizeArr: Array<String> = arrayOf("1,1", "1,2", "2,1", "2,2")
 
+    @SuppressLint("WrongConstant")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
+        mainLay.visibility = LinearLayout.GONE
+
         btn.isEnabled = false
         connectBtn.isEnabled = true
         disconnectBtn.isEnabled = false
@@ -45,11 +62,17 @@ class MainActivity : Activity() {
                 btn.isEnabled = true
                 connectBtn.isEnabled = false
                 disconnectBtn.isEnabled = true
+                uiHandler.post {
+                    mainLay.visibility = LinearLayout.VISIBLE
+                }
             }
             if (it == PrinterBle.DISCONNECTED) {
                 btn.isEnabled = false
                 connectBtn.isEnabled = true
                 disconnectBtn.isEnabled = false
+                uiHandler.post {
+                    mainLay.visibility = LinearLayout.GONE
+                }
             }
         }
 
@@ -57,6 +80,29 @@ class MainActivity : Activity() {
             System.out.println("Get Notify :::::: " + it)
         }
 
+        alignSpinner.adapter = ArrayAdapter<String>(this@MainActivity, android.R.layout.simple_spinner_item, alignArr)
+        alignBtn.setOnClickListener {
+            val pos = alignSpinner.selectedItemPosition
+            when (pos) {
+                0 -> ble?.setAlign(PrinterBle.ALIGN_LEFT)
+                1 -> ble?.setAlign(PrinterBle.ALIGN_CENTER)
+                2 -> ble?.setAlign(PrinterBle.ALIGN_RIGHT)
+            }
+            refreshPreview()
+        }
+
+        sizeSpinner.adapter = ArrayAdapter<String>(this@MainActivity, android.R.layout.simple_spinner_item, sizeArr)
+        sizeBtn.setOnClickListener {
+            val pos = sizeSpinner.selectedItemPosition
+            when (pos) {
+                0 -> ble?.setSize(1, 1)
+                1 -> ble?.setSize(1, 2)
+                2 -> ble?.setSize(2, 1)
+                3 -> ble?.setSize(2, 2)
+            }
+            refreshPreview()
+        }
+
         var permissionCheck: Int = 0
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             permissionCheck += this@MainActivity.checkSelfPermission(android.Manifest.permission.ACCESS_COARSE_LOCATION)
@@ -66,17 +112,28 @@ class MainActivity : Activity() {
             }
         }
 
-        btn.setOnClickListener {
+        addHR.setOnClickListener {
-            val txt: String = intxt.text.toString()
-            ble?.setSize(2,1)
-            ble?.setAlign(PrinterBle.ALIGN_CENTER)
-            ble?.addTextln("MTFoS Shop")
-            ble?.resetSize()
-            ble?.setAlign(PrinterBle.ALIGN_RIGHT)
-            ble?.addTextln("MTFoS Shop")
             ble?.addHR()
-            ble?.setAlign(PrinterBle.ALIGN_LEFT)
+            refreshPreview()
+        }
+
+        addNL.setOnClickListener {
+            ble?.textNewLine()
+            refreshPreview()
+        }
+
+        addTAB.setOnClickListener {
+            ble?.textTab()
+            refreshPreview()
+        }
+
+        addTXT.setOnClickListener {
+            val txt: String = intxt.text.toString()
             ble?.addText(txt)
+            refreshPreview()
+        }
+
+        btn.setOnClickListener {
             ble?.sendQueue()
         }
 
@@ -111,4 +168,12 @@ class MainActivity : Activity() {
             ble?.disconnect()
         }
     }
+
+    fun refreshPreview() {
+        val data = ble?.dataQueue ?: return
+        preview.text = ""
+        for (str: String in data) {
+            preview.text = preview.text.toString() + "\n" + str
+        }
+    }
 }

app/src/main/java/xyz/mtfos/btdemo/PrinterBle.java

@@ -426,4 +426,8 @@ public class PrinterBle {
     public void resetSize() {
         setSize(1, 1);
     }
+
+    public ArrayList<String> getDataQueue() {
+        return dataQueue;
+    }
 }

app/src/main/res/layout/activity_main.xml

@@ -8,31 +8,155 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:orientation="horizontal">
+
         <Button
+            android:id="@+id/connect"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:id="@+id/connect"
             android:text="Connect"
             android:textAllCaps="false" />
+
         <Button
+            android:id="@+id/disconnect"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:id="@+id/disconnect"
             android:text="Disconnect"
             android:textAllCaps="false" />
     </LinearLayout>
 
-    <EditText
+    <LinearLayout
+        android:id="@+id/mainlay"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:text="Align: " />
+
+            <android.support.v7.widget.AppCompatSpinner
+                android:id="@+id/align"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent" />
+
+            <Button
+                android:id="@+id/btn_align"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="Write"
+                android:textAllCaps="false" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:text="Size: " />
+
+            <android.support.v7.widget.AppCompatSpinner
+                android:id="@+id/size"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent" />
+
+            <Button
+                android:id="@+id/btn_size"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="Write"
+                android:textAllCaps="false" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <Button
+                android:id="@+id/addHR"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="分隔線" />
+
+            <Button
+                android:id="@+id/addNL"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="換行" />
+
+            <Button
+                android:id="@+id/addTAB"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="TAB" />
+        </LinearLayout>
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <EditText
                 android:id="@+id/intxt"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
                 android:hint="輸入傳送字串" />
 
+            <Button
+                android:id="@+id/addTXT"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="addTXT"
+                android:textAllCaps="false" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical">
+
             <Button
                 android:id="@+id/bt"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="Send"
                 android:textAllCaps="false" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:orientation="vertical">
+
+            <ScrollView
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
+
+                <TextView
+                    android:id="@+id/preview"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content" />
+
+            </ScrollView>
+        </LinearLayout>
+
+    </LinearLayout>
 
 </LinearLayout>