From 58aa0ea407aedde32cbde69b2dbb6cf4ae9e31a5 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Wed, 7 May 2014 04:29:37 -0400
Subject: implement backspace

---
 res/layout/ime.xml        |  8 ++++++++
 src/us/minak/IMEView.java | 14 ++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/res/layout/ime.xml b/res/layout/ime.xml
index 83be9d2..53f8fdf 100644
--- a/res/layout/ime.xml
+++ b/res/layout/ime.xml
@@ -20,4 +20,12 @@
         android:gestureStrokeSquarenessThreshold="0.0"
         android:gestureStrokeType="multiple" />
 
+    <Button
+        android:id="@+id/backspace_btn"
+        android:text="@string/button_backspace"
+
+        android:layout_width="80dp"
+        android:layout_height="40dp"
+        android:layout_alignParentRight="true" />
+
 </us.minak.IMEView>
diff --git a/src/us/minak/IMEView.java b/src/us/minak/IMEView.java
index dd2fb69..31ce553 100644
--- a/src/us/minak/IMEView.java
+++ b/src/us/minak/IMEView.java
@@ -2,7 +2,9 @@ package us.minak;
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.widget.Button;
 import android.widget.RelativeLayout;
+import android.view.View;
 import android.view.inputmethod.InputConnection;
 
 /**
@@ -17,6 +19,12 @@ public class IMEView extends RelativeLayout implements InputConnectionGetter {
 	protected void onFinishInflate() {
 		IMEGestureOverlayView gestureOverlayView = (IMEGestureOverlayView) findViewById(R.id.drawing_space);
 		gestureOverlayView.setInputConnectionGetter(this);
+
+		final Button backspaceButton = (Button) findViewById(R.id.backspace_btn);
+		backspaceButton.setOnClickListener(new OnClickListener() {
+			@Override
+			public void onClick(View v) { backspace(); }
+		});
 	}
 
 	private InputConnectionGetter icGetter = new InputConnectionGetter.NullGetter();
@@ -27,4 +35,10 @@ public class IMEView extends RelativeLayout implements InputConnectionGetter {
 	public InputConnection getCurrentInputConnection() {
 		return icGetter.getCurrentInputConnection();
 	}
+
+	private void backspace() {
+		InputConnection ic = getCurrentInputConnection();
+		if (ic != null)
+			ic.deleteSurroundingText(1, 0);
+	}
 }
-- 
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