0.11.2: First Google Tango release

app/android/src/com/introlab/rtabmap/AboutDialog.java

@@ -0,0 +1,54 @@
+/**
+ * Original Author: William J. Francis
+ * http://www.techrepublic.com/blog/software-engineer/a-reusable-about-dialog-for-your-android-apps/
+ */
+package com.introlab.rtabmap;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import android.app.Dialog;
+import android.content.Context;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.text.Html;
+import android.text.util.Linkify;
+import android.widget.TextView;
+
+public class AboutDialog extends Dialog{
+
+	private static Context mContext = null;
+	
+	public AboutDialog(Context context) {
+		super(context);
+		mContext = context;
+	}
+	
+	/**
+     * This is the standard Android on create method that gets called when the activity initialized.
+     */
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		setContentView(R.layout.about);
+		TextView tv = (TextView)findViewById(R.id.info_text);
+		tv.setText(Html.fromHtml(readRawTextFile(R.raw.info)));
+		tv.setLinkTextColor(Color.WHITE);
+		Linkify.addLinks(tv, Linkify.ALL);
+	}
+	
+	public static String readRawTextFile(int id) {
+		InputStream inputStream = mContext.getResources().openRawResource(id);
+        InputStreamReader in = new InputStreamReader(inputStream);
+        BufferedReader buf = new BufferedReader(in);
+        String line;
+        StringBuilder text = new StringBuilder();
+        try {
+        	while (( line = buf.readLine()) != null) text.append(line);
+         } catch (IOException e) {
+            return null;
+         }
+         return text.toString();
+     }
+
+}