Add About page to show relevant information about this app

5 files changed, 63 insertions, 1 deletions

diff --git a/LoopbackApp/app/src/main/AndroidManifest.xml b/LoopbackApp/app/src/main/AndroidManifest.xml
index 9f6aa7c..cc57817 100644
--- a/LoopbackApp/app/src/main/AndroidManifest.xml
+++ b/LoopbackApp/app/src/main/AndroidManifest.xml
@@ -60,5 +60,15 @@
                 android:value="org.drrickorang.loopback.LoopbackActivity"/>
         </activity>
 
+        <activity
+            android:name="org.drrickorang.loopback.AboutActivity"
+            android:label="About"
+            android:parentActivityName="org.drrickorang.loopback.LoopbackActivity"
+            android:theme="@android:style/Theme.Holo.Light">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value="org.drrickorang.loopback.LoopbackActivity" />
+        </activity>
+
     </application>
 </manifest>
diff --git a/LoopbackApp/app/src/main/java/org/drrickorang/loopback/AboutActivity.java b/LoopbackApp/app/src/main/java/org/drrickorang/loopback/AboutActivity.java
new file mode 100644
index 0000000..f968202
--- /dev/null
+++ b/LoopbackApp/app/src/main/java/org/drrickorang/loopback/AboutActivity.java
@@ -0,0 +1,31 @@
+package org.drrickorang.loopback;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.TextView;
+
+/**
+ * Created by ninatai on 5/11/15.
+ */
+public class AboutActivity extends Activity {
+    public void onCreate(Bundle savedInstanceState) {
+
+        super.onCreate(savedInstanceState);
+
+        Intent intent = getIntent();
+        String message = "Audio latency testing app using the Dr. Rick O'Rang audio loopback dongle.\n\n" +
+                         "Author: Ricardo Garcia\n\n" +
+                         "Open source project on: https://github.com/gkasten/drrickorang\n\n" +
+                         "References: https://source.android.com/devices/audio/loopback.html\n" +
+                         "https://source.android.com/devices/audio/latency_measure.html#loopback";
+
+        // Create the text view
+        TextView textView = new TextView(this);
+        textView.setTextSize(20);
+        textView.setText(message);
+
+        // Set the text view as the activity layout
+        setContentView(textView);
+    }
+}
diff --git a/LoopbackApp/app/src/main/java/org/drrickorang/loopback/LoopbackActivity.java b/LoopbackApp/app/src/main/java/org/drrickorang/loopback/LoopbackActivity.java
index ec8ff96..97cbb78 100644
--- a/LoopbackApp/app/src/main/java/org/drrickorang/loopback/LoopbackActivity.java
+++ b/LoopbackApp/app/src/main/java/org/drrickorang/loopback/LoopbackActivity.java
@@ -34,6 +34,7 @@ import android.util.Log;
 import android.view.Gravity;
 import android.view.View;
 import android.widget.Button;
+import android.widget.EditText;
 import android.widget.LinearLayout;
 import android.widget.SeekBar;
 import android.widget.Toast;
@@ -58,6 +59,7 @@ public class LoopbackActivity extends Activity {
     private static final int SAVE_TO_PNG_REQUEST = 43;
 
     private static final int SETTINGS_ACTIVITY_REQUEST_CODE = 44;
+    private static final int ABOUT_ACTIVITY_REQUEST_CODE = 45;
     LoopbackAudioThread audioThread = null;
     NativeAudioThread nativeAudioThread = null;
     private WavePlotView mWavePlotView;
@@ -324,7 +326,7 @@ public class LoopbackActivity extends Activity {
 
         //create filename with date
         String date = mCurrentTime;  // the time the plot is acquired
-        String micSource = getApp().getMicSourceString( getApp().getMicSource());
+        String micSource = getApp().getMicSourceString(getApp().getMicSource());
         String fileName = micSource+"_"+date;
 
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
@@ -427,6 +429,8 @@ public class LoopbackActivity extends Activity {
         mWavePlotView.refreshGraph();
     }
 
+
+
     /** Called when the user clicks the button */
     public void onButtonZoomIn(View view) {
 
@@ -447,6 +451,14 @@ public class LoopbackActivity extends Activity {
     }
 */
 
+    public void onButtonAbout(View view) {
+        if(!isBusy()) {
+            Intent aboutIntent = new Intent(this, AboutActivity.class);
+            startActivity(aboutIntent);
+        } else
+            showToast("Test in progress... please wait");
+    }
+
     /** Called when the user clicks the button */
     public void onButtonSettings(View view) {
 
diff --git a/LoopbackApp/app/src/main/res/layout/main_activity.xml b/LoopbackApp/app/src/main/res/layout/main_activity.xml
index 70a7093..00ee4d0 100644
--- a/LoopbackApp/app/src/main/res/layout/main_activity.xml
+++ b/LoopbackApp/app/src/main/res/layout/main_activity.xml
@@ -92,6 +92,13 @@
             android:layout_height="wrap_content"
             android:text="@string/buttonZoomOutFull"
             android:onClick="onButtonZoomOutFull"/>
+        <Button
+            xmlns:android="http://schemas.android.com/apk/res/android"
+            android:id="@+id/buttonAbout"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/buttonAbout"
+            android:onClick="onButtonAbout"/>
 
     </LinearLayout>
 
diff --git a/LoopbackApp/app/src/main/res/values/strings.xml b/LoopbackApp/app/src/main/res/values/strings.xml
index 433a620..a3a5173 100644
--- a/LoopbackApp/app/src/main/res/values/strings.xml
+++ b/LoopbackApp/app/src/main/res/values/strings.xml
@@ -26,6 +26,7 @@
     <string name="buttonZoomOutFull">Unzoom</string>
     <string name="buttonZoomOut">Zoom Out</string>
     <string name="buttonZoomIn"> Zoom In</string>
+    <string name="buttonAbout">About</string>
 
     <!-- disabled -->
     <string name="buttonZoomInFull">In Full</string>
@@ -44,6 +45,7 @@
 
     <string name="labelInfo">Info...</string>
     <string name="labelSettings">SETTINGS</string>
+    <string name="labelAbout">About</string>
     <string name="labelSamplingRate">Sampling Rate</string>
 
     <!-- spinnerSamplingRate Options -->