1 files changed, 144 insertions, 0 deletions
diff --git a/src/com/google/android/apps/adk2/Utilities.java b/src/com/google/android/apps/adk2/Utilities.java
new file mode 100644
index 0000000..99e9fd4
--- /dev/null
+++ b/src/com/google/android/apps/adk2/Utilities.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.adk2;
+
+import java.util.Date;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.preference.Preference;
+import android.preference.PreferenceManager;
+
+public class Utilities {
+	public static void centerAround(int x, int y, Drawable d) {
+		int w = d.getIntrinsicWidth();
+		int h = d.getIntrinsicHeight();
+		int left = x - w / 2;
+		int top = y - h / 2;
+		int right = left + w;
+		int bottom = top + h;
+		d.setBounds(left, top, right, bottom);
+	}
+
+	public static int indexOf(int searchArray[], int itemToFind) {
+		for (int i = 0; i < searchArray.length; ++i) {
+			if (itemToFind == searchArray[i]) {
+				return i;
+			}
+		}
+		return -1;
+	}
+
+	public static int indexOf(String searchArray[], String itemToFind) {
+		for (int i = 0; i < searchArray.length; ++i) {
+			if (itemToFind.equals(searchArray[i])) {
+				return i;
+			}
+		}
+		return -1;
+	}
+
+	public static int stringToFourCC(String stringCode) {
+		int theCode = 0;
+		int count = Math.max(stringCode.length(), 4);
+		for (int i = 0; i < count; ++i) {
+			char c = stringCode.charAt(i);
+			theCode <<= 8;
+			theCode |= c;
+		}
+		return theCode;
+	}
+
+	public static String fourCCToString(int fourCC) {
+		StringBuilder sb = new StringBuilder();
+		sb.append('\'');
+		sb.append((fourCC & 0xFF000000) >> 24);
+		sb.append((fourCC & 0x00FF0000) >> 16);
+		sb.append((fourCC & 0x0000FF00) >> 8);
+		sb.append((fourCC & 0x000000FF));
+		sb.append('\'');
+		return sb.toString();
+	}
+
+	public static void enablePreference(PreferenceManager preferenceMgr,
+			String prefKey, Boolean isEnabled) {
+		Preference pref = preferenceMgr.findPreference(prefKey);
+		if (pref != null) {
+			preferenceMgr.findPreference(prefKey).setEnabled(isEnabled);
+		}
+	}
+
+	public static String formatTime(Context context, Date dateToFormat) {
+		java.text.DateFormat df = android.text.format.DateFormat
+				.getTimeFormat(context);
+		return df.format(dateToFormat);
+	}
+
+	public static String formatTime(Context context, int timeValue) {
+		Date date = new Date();
+		date.setHours(timeValue / 60);
+		date.setMinutes(timeValue % 60);
+		return formatTime(context, date);
+	}
+
+	public static int dateToTimeValue(int hours, int minutes) {
+		return hours * 60 + minutes;
+	}
+
+	public static int dateToTimeValue(Date date) {
+		return dateToTimeValue(date.getHours(), date.getMinutes());
+	}
+
+	private static final byte[] HEX_CHAR = new byte[] { '0', '1', '2', '3',
+			'4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+
+	/**
+	 * Helper function that dump an array of bytes in hex form
+	 * 
+	 * @param buffer
+	 *            The bytes array to dump
+	 * @return A string representation of the array of bytes
+	 */
+	public static final String dumpBytes(byte[] buffer, int amountToDump) {
+		if (buffer == null) {
+			return "";
+		}
+
+		StringBuffer sb = new StringBuffer();
+
+		amountToDump = Math.min(amountToDump, buffer.length);
+
+		for (int i = 0; i < amountToDump; i++) {
+			sb.append("0x")
+					.append((char) (HEX_CHAR[(buffer[i] & 0x00F0) >> 4]))
+					.append((char) (HEX_CHAR[buffer[i] & 0x000F])).append(" ");
+		}
+
+		return sb.toString();
+	}
+
+	public static int unsignedByte(byte b) {
+		return b & 0xff;
+	}
+
+	public static int[] byteArrayToIntArray(byte[] byteArray) {
+		int[] intArray = new int[byteArray.length];
+		for (int i = 0; i < intArray.length; ++i) {
+			intArray[i] = byteArray[i] & 0xff;
+		}
+		return intArray;
+	}
+}