Added the application's version number and build date to the About sc…

…reen.

AndroidManifest.xml

@@ -2,7 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="org.opencoinage.android"
   android:versionCode="1"
-  android:versionName="0.0.0">
+  android:versionName="0.0.0.20100924">
   <application android:label="@string/app_name" android:icon="@drawable/icon">
     <activity
       android:name=".MainActivity"

res/values/strings.xml

@@ -5,7 +5,7 @@
   <string name="app_name">OpenCoinage</string>
   <string name="app_title">OpenCoinage Wallet</string>
   <string name="app_version">x.y.z</string>
-  <string name="app_date">yyyy/mm/dd</string>
+  <string name="app_date">yyyy-mm-dd</string>
   <string name="about">About</string>
   <string name="about_app_title">About OpenCoinage Wallet</string>
   <string name="amount">Amount</string>

src/org/opencoinage/android/AboutActivity.java

@@ -2,12 +2,15 @@
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.text.format.DateFormat;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
+import android.widget.TextView;
+import java.util.GregorianCalendar;
 
 public class AboutActivity extends Activity {
-  private Button closeButton;
+  private String versionName;
 
   /**
    * Called when the activity is first created.
@@ -18,8 +21,11 @@ public class AboutActivity extends Activity {
   public void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     this.setContentView(R.layout.about);
-    this.closeButton = (Button)this.findViewById(R.id.close);
-    this.closeButton.setOnClickListener(new OnClickListener() {
+
+    ((TextView)this.findViewById(R.id.app_version)).setText(getVersionNumber());
+    ((TextView)this.findViewById(R.id.app_date)).setText(getBuildDate());
+
+    ((Button)this.findViewById(R.id.close)).setOnClickListener(new OnClickListener() {
       @Override
       public void onClick(View view) {
         finish();
@@ -28,14 +34,38 @@ public void onClick(View view) {
   }
 
   /**
-   * Returns the application version number string.
+   * Returns the application's version number.
+   */
+  public String getVersionNumber() {
+    String versionName = getVersionName();
+    return versionName.substring(0, versionName.lastIndexOf(".")); // cut off ".yyyymmdd"
+  }
+
+  /**
+   * Returns the application's build date.
    */
-  public String getVersion() {
-    String version = "x.y.z";
-    try {
-      version = getPackageManager().getPackageInfo("org.opencoinage.android", 0).versionName;
+  public String getBuildDate() {
+    String versionName = getVersionName();
+    String versionDate = versionName.substring(versionName.lastIndexOf(".") + 1); // "yyyymmdd"
+    int year  = Integer.parseInt(versionDate.substring(0, 4)); // "yyyy"
+    int month = Integer.parseInt(versionDate.substring(4, 6)); // "mm"
+    int day   = Integer.parseInt(versionDate.substring(6, 8)); // "dd"
+    return DateFormat.getDateFormat(this).format(new GregorianCalendar(year, month - 1, day).getTime()).toString();
+  }
+
+  /**
+   * Returns the manifest's `android:versionName` string.
+   *
+   * @see http://developer.android.com/guide/topics/manifest/manifest-element.html#vname
+   */
+  public String getVersionName() {
+    if (this.versionName == null) {
+      this.versionName = "x.y.z.yyyymmdd";
+      try {
+        this.versionName = getPackageManager().getPackageInfo("org.opencoinage.android", 0).versionName;
+      }
+      catch (android.content.pm.PackageManager.NameNotFoundException e) {}
     }
-    catch (android.content.pm.PackageManager.NameNotFoundException e) {}
-    return version;
+    return this.versionName;
   }
 }