Bước 1: Mở file res->values ->strings.xml
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| <resources><string name="app_name">RelativeLayout</string> <string name="etHin">Enter char</string> <string name="bt1">Button 1</string> <string name="bt2">Button 2</string> <string name="bt3">Button 3</string> <string name="bt4">Button 4</string></resources> |
Bước 2: Mở file res-> layout ->layout_main.xml
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| <?xml version="1.0" encoding="utf-8"?> android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="10dp" android:paddingRight="10dp" ><!-- thuoc tinh padding, paddingLeft, paddingRight, paddingTop, paddingBottom --> <!-- de can chinh cac phan tu con cua no cach le trai le phai tren duoi 1 khoang --> <!-- bao nhieu dp --> <!-- thuoc tinh layout_marginLeft, layout_marginTop, layout_marginRight, layout_marginBottom --> <!-- de cach "bien" trai, tren, phai, duoi mot khoang tuy chinh --><EditText android:id="@+id/et1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="50dp" android:hint="@string/etHin" /> <!-- thuoc tinh layout_alignParentRight, layout_alignParentBottom, layout_alignParentTop, layout_alignParentLeft --> <!-- de dat View Con o phai cung, duoi cung, tren cung, trai cung cua cha no --><!-- thuoc tinh layout_below, layout_above, layout_toLeftOf, layout_toRightOf --> <!-- de dat 1 View o duoi, tren, ben trai, ben phai cua 1 View khac trong vi du --> <!-- minh xac dinh bang id --><Button android:id="@+id/bt1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_below="@+id/et1" android:text="@string/bt1" /><Button android:id="@+id/bt2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/et1" android:layout_marginRight="20dp" android:layout_toLeftOf="@+id/bt1" android:text="@string/bt2" /><EditText android:id="@+id/et2" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_marginBottom="50dp" android:hint="@string/etHin" /><Button android:id="@+id/bt3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/et2" android:text="@string/bt3" /><Button android:id="@+id/bt4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_centerVertical="true" android:text="@string/bt4" /></RelativeLayout> |
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