Update readme and sample app

Author: michal_szwarc

README.md

@@ -1,8 +1,54 @@
 # MaterialSettings
 MaterialSettings - small library to create settings activity
 
-Work in progress...
+###Simple code:
+```java
+public class Settings1Activity extends MaterialSettings {
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		addItem(new HeaderItem(this).setTitle("Sample title 1"));
+		addItem(new CheckboxItem(this, "key1").setTitle("Checkbox item 1").setSubtitle("Subtitle text 1").setOnCheckedChangeListener(new CheckboxItem.OnCheckedChangeListener() {
+			@Override
+			public void onCheckedChange(CheckboxItem cbi, boolean isChecked) {
+				Toast.makeText(Settings1Activity.this, "CHECKED: " + isChecked, Toast.LENGTH_SHORT).show();
+			}
+		}));
+	}
+	@Override
+    public StorageInterface initStorageInterface() {
+    	return new PreferencesStorageInterface(this);
+    }
+}
+```
 
+### Style attrs
+* msToolbarTheme
+* msToolbarThemePopup
+* msColorPrimary - primary color
+* msColorPrimaryDark - color of status bar (api 21+)
+* msColorAccent - accent color
+* msWindowBg - default window bg color
+* msColorHeader - headers text color (usually same as msColorAccent)
+* msColorTextTitle - item title color
+* msColorTextSubTitle - subtitle text color
+* msDivider - divider drawable
+* msItem - whole item color
+* msTextStyle - reference to text title style (TextView)
+* msSubTextStyle - reference to text sub title style (TextView)
+* msHeaderStyle - reference to text title style (TextView)
+
+### Same style
+```xml
+<style name="MaterialSettings.Red" parent="MaterialSettingsTheme">
+<item name="msColorPrimary">@color/redPrimary</item>
+    <item name="msColorPrimaryDark">@color/redPrimaryDark</item>
+    <item name="msColorAccent">@color/redAccent</item>
+    <item name="msColorHeader">@color/redAccent</item>
+</style>
+```
+
+# Screens
 ![Default](/screens/theme_default.png)
 ![Rec](/screens/theme_red.png)
 ![Dark](/screens/theme_dark.png)

sampleapp/src/main/java/com/wt/sampleapp/Settings1Activity.java

@@ -25,8 +25,6 @@
 
 public class Settings1Activity extends MaterialSettings implements SampleDialog.OnDialogOkClick {
 
-	private final Handler h = new Handler();
-
 	@Override
 	public void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);