Basic-Usage.md

+This chapter covers the basic setup for using this library.
+
+###Creating BMB
+
+Add BMB in .xml file.
+
+```
+<com.nightonke.boommenu.BoomMenuButton
+    android:id="@+id/bmb"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    />
+```
+
+Then in .java file, find your BMB and set some attributes for it.
+
+```
+BoomMenuButton bmb = (BoomMenuButton) findViewById(R.id.bmb);
+```
+
+Set button-enum for BMB, button-enum tells which kind of boom-button(the sub-buttons when booming) that you want.
+
+1. `ButtonEnum.SimpleCircle` corresponding to [Simple Circle Button]()
+
+```
+bmb.setButtonEnum(ButtonEnum.SimpleCircle);
+```
+bmb.setButtonEnum(ButtonEnum.SimpleCircle);
+bmb.setPiecePlaceEnum(PiecePlaceEnum.DOT_1);
+bmb.setButtonPlaceEnum(ButtonPlaceEnum.SC_1);
+```
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