Fix comments for ad70806c8dc7

MyTracks/src/com/google/android/apps/mytracks/io/docs/DocsTagBuilder.java

@@ -48,9 +48,7 @@ import java.util.Locale;
 class DocsTagBuilder {
   
   private static final DecimalFormatSymbols FORMAT_SYMBOLS =
-      ApiFeatures.getInstance().hasDecimalFormatSymbolsGetInstance() 
-          ? DecimalFormatSymbols.getInstance(Locale.ENGLISH)
-          : new DecimalFormatSymbols(Locale.ENGLISH);
+      ApiFeatures.getInstance().getApiPlatformAdapter().getDecimalFormatSysmbols(Locale.ENGLISH);
   private static final NumberFormat LARGE_UNIT_FORMAT =
       new DecimalFormat("#,###,###.00", FORMAT_SYMBOLS);
   private static final NumberFormat SMALL_UNIT_FORMAT =

MyTracks/src/com/google/android/apps/mytracks/services/sensors/ZephyrMessageParser.java

@@ -24,7 +24,7 @@ import java.util.Arrays;
  * An implementation of a Sensor MessageParser for Zephyr.
  *
  * @author Sandor Dornbush
- * @author Dominik R�ttsches
+ * @author Dominik Ršttsches
  */
 public class ZephyrMessageParser implements MessageParser {
 
@@ -57,24 +57,13 @@ public class ZephyrMessageParser implements MessageParser {
     return sds.build();
   }
 
-  /**
-   * Copies a byte array. In case Arrays.copyOfRange is not available.
-   */
-  private byte[] copyByteArray(byte[] input, int from, int to) {
-    int length = to - from;
-    byte[] output = new byte[length];
-    System.arraycopy(input, from, output, 0, length);
-    return output;
-  }
-  
   private void setCadence(Sensor.SensorDataSet.Builder sds, byte[] buffer) {
     // Device Firmware ID, Firmware Version, Hardware ID, Hardware Version
     // 0x1A00316550003162 produces erroneous values for Cadence and needs
     // a workaround based on the stride counter.
     // Firmware values range from field 3 to 10 (inclusive) of the byte buffer.
-    byte[] hardwareFirmwareId = ApiFeatures.getInstance().hasArraysCopyOfRange() 
-        ? Arrays.copyOfRange(buffer, 3, 11)
-        : copyByteArray(buffer, 3, 11);    
+    byte[] hardwareFirmwareId = ApiFeatures.getInstance().getApiPlatformAdapter()
+        .copyByteArray(buffer, 3, 11);
     Sensor.SensorData.Builder cadence = Sensor.SensorData.newBuilder();
 
     if (Arrays.equals(hardwareFirmwareId, CADENCE_BUG_FW_ID)) {

MyTracks/src/com/google/android/apps/mytracks/util/ApiFeatures.java

@@ -24,9 +24,6 @@ import android.bluetooth.BluetoothDevice;
 import android.os.Build;
 import android.util.Log;
 
-import java.text.DecimalFormatSymbols;
-import java.util.Arrays;
-
 /**
  * Utility class for determining if newer-API features are available on the
  * current device.
@@ -133,20 +130,6 @@ public class ApiFeatures {
     return getApiLevel() >= 9;
   }
   
-  /**
-   * Returns true if {@link DecimalFormatSymbols#getInstance} is available.
-   */
-  public boolean hasDecimalFormatSymbolsGetInstance() {
-    return getApiLevel() >= 9;
-  }
-  
-  /**
-   * Returns true if {@link Arrays#copyOfRange} is available.
-   */
-  public boolean hasArraysCopyOfRange() {
-    return getApiLevel() >= 9;
-  }
-
   // API Level 10 changes
   
   /**

MyTracks/src/com/google/android/apps/mytracks/util/ApiPlatformAdapter.java

@@ -20,6 +20,9 @@ import android.app.NotificationManager;
 import android.app.Service;
 import android.content.SharedPreferences;
 
+import java.text.DecimalFormatSymbols;
+import java.util.Locale;
+
 /**
  * A set of methods that may be implemented in a platform specific way. 
  *  
@@ -60,4 +63,25 @@ public interface ApiPlatformAdapter {
    * Enables strict mode where supported, only if this is a development build.
    */
   void enableStrictMode();
+  
+  /**
+   * Copies elements from the input byte array into a new byte array, from
+   * indexes start (inclusive) to end (exclusive). The end index must be less
+   * than or equal to input.length.
+   *
+   * @param input the input byte array
+   * @param start the start index
+   * @param end the end index
+   * @return a new array containing elements from the input byte array
+   */
+  byte[] copyByteArray(byte[] input, int start, int end);
+  
+  
+  /**
+   * Gets an instance of {@link DecimalFormatSymbols} for a locale.
+   * 
+   * @param locale the locale
+   * @return a new instance of {@link DecimalFormatSymbols}
+   */
+  DecimalFormatSymbols getDecimalFormatSymbols(Locale locale);
 }

MyTracks/src/com/google/android/apps/mytracks/util/CupcakePlatformAdapter.java

@@ -25,6 +25,8 @@ import android.util.Log;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.text.DecimalFormatSymbols;
+import java.util.Locale;
 
 /**
  * The Cupcake (API level 3) specific implementation of the
@@ -79,4 +81,17 @@ public class CupcakePlatformAdapter implements ApiPlatformAdapter {
   public void enableStrictMode() {
     // Not supported
   }
+  
+  @Override
+  public byte[] copyByteArray(byte[] input, int start, int end) {
+    int length = end - start;
+    byte[] output = new byte[length];
+    System.arraycopy(input, start, output, 0, length);
+    return output;
+  }
+  
+  @Override
+  public DecimalFormatSymbols getDecimalFormatSysmbols(Locale locale) {
+    return new DecimalFormatSymbols(locale);
+  }
 }

MyTracks/src/com/google/android/apps/mytracks/util/EclairPlatformAdapter.java

@@ -18,7 +18,6 @@ package com.google.android.apps.mytracks.util;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.Service;
-import android.content.SharedPreferences.Editor;
 
 /**
  * The Eclair (API level 5) specific implementation of the
@@ -26,7 +25,7 @@ import android.content.SharedPreferences.Editor;
  * 
  * @author Bartlomiej Niechwiej
  */
-public class EclairPlatformAdapter implements ApiPlatformAdapter {
+public class EclairPlatformAdapter extends CupcakePlatformAdapter {
 
   @Override
   public void startForeground(Service service,
@@ -40,14 +39,4 @@ public class EclairPlatformAdapter implements ApiPlatformAdapter {
       NotificationManager notificationManager, int id) {
     service.stopForeground(id != -1);
   }
-
-  @Override
-  public void applyPreferenceChanges(Editor editor) {
-    editor.commit();
-  }
-
-  @Override
-  public void enableStrictMode() {
-    // Not supported
-  }
 }

MyTracks/src/com/google/android/apps/mytracks/util/GingerbreadPlatformAdapter.java

@@ -6,6 +6,10 @@ import android.content.SharedPreferences.Editor;
 import android.os.StrictMode;
 import android.util.Log;
 
+import java.text.DecimalFormatSymbols;
+import java.util.Arrays;
+import java.util.Locale;
+
 /**
  * The Gingerbread (API level 9) specific implememntation of the
  * {@link ApiPlatformAdapter}.
@@ -13,6 +17,7 @@ import android.util.Log;
  * @author Rodrigo Damazio
  */
 public class GingerbreadPlatformAdapter extends EclairPlatformAdapter {
+  
   @Override
   public void applyPreferenceChanges(Editor editor) {
     // Apply asynchronously
@@ -32,4 +37,14 @@ public class GingerbreadPlatformAdapter extends EclairPlatformAdapter {
         .penaltyLog()
         .build());
   }
+  
+  @Override
+  public byte[] copyByteArray(byte[] input, int start, int end) {
+    return Arrays.copyOfRange(input, start, end);
+  }
+  
+  @Override
+  public DecimalFormatSymbols getDecimalFormatSysmbols(Locale locale) {
+    return DecimalFormatSymbols.getInstance(locale);
+  }
 }