Add org.zeroxlab.utils.Util

Store/Restore preference is very useful.
Get a class which is in charge of these jobs.

1 files changed, 95 insertions, 0 deletions

diff --git a/src/org/zeroxlab/utils/Util.java b/src/org/zeroxlab/utils/Util.java
new file mode 100644
index 0000000..cde4b25
--- /dev/null
+++ b/src/org/zeroxlab/utils/Util.java
@@ -0,0 +1,95 @@
+/*
+ * Authored By Julian Chu <walkingice@0xlab.org>
+ *
+ * Copyright (C) 2011 0xlab - http://0xlab.org/
+ *
+ * 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 org.zeroxlab.utils;
+
+import android.util.Log;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.Message;
+
+public class Util {
+    public final static int PREF_MODE = Context.MODE_PRIVATE;
+    public final static boolean DEFAULT_PREF_BOOLEAN = false;
+    public final static int     DEFAULT_PREF_INT     = -1;
+    public final static String  DEFAULT_PREF_STRING  = "";
+
+    public static void launchActivity(Activity parent, String targetFullName) {
+        final Intent intent = new Intent();
+        intent.setClassName(parent, targetFullName);
+        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+        parent.startActivity(intent);
+    }
+
+    public static void storePrefBool(Context context, String name, String key, boolean value) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        pref.edit().putBoolean(key, value).commit();
+    }
+
+    public static void storePrefInt(Context context, String name, String key, int value) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        pref.edit().putInt(key, value).commit();
+    }
+
+    public static void storePrefString(Context context, String name, String key, String value) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        pref.edit().putString(key, value).commit();
+    }
+
+    public static boolean restorePrefBool(Context context, String name, String key, boolean defaultValue) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        boolean value = pref.getBoolean(key, defaultValue);
+        return value;
+    }
+
+    public static int restorePrefInt(Context context, String name, String key, int defaultValue) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        int value = pref.getInt(key, defaultValue);
+        return value;
+    }
+
+    public static String restorePrefString(Context context, String name, String key, String defaultValue) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        String value = pref.getString(key, defaultValue);
+        return value;
+    }
+
+    public static boolean restorePrefBool(Context context, String name, String key) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        boolean value = pref.getBoolean(key, DEFAULT_PREF_BOOLEAN);
+        return value;
+    }
+
+    public static int restorePrefInt(Context context, String name, String key) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        int value = pref.getInt(key, DEFAULT_PREF_INT);
+        return value;
+    }
+
+    public static String restorePrefString(Context context, String name, String key) {
+        SharedPreferences pref = context.getSharedPreferences(name, PREF_MODE);
+        String value = pref.getString(key, DEFAULT_PREF_STRING);
+        return value;
+    }
+}