XML layout file
The layout file in xml format is stored in the folder res/layout
The layout methods are mainly LinearLayout (linear layout) and TableLayout (table layout) , RelativeLayout (relative layout)
Of course, there are also AbsoluteLayout, (absolute layout), FrameLayout (frame layout), etc.
They can also be nested to achieve better interface effects
I have sorted out the commonly used attributes based on my personal understanding
It may not be scientific but I think it is very practical.
Control is the whole:
android: ID address
android: width width
android: Height height
android: layout_width width (fill_parent/wrap_content)
android:layout_height (fill_parent/wrap_content)
android:layout_margin(Left/Top/Right/Bottom) Margin (*dip)
Android: Layout_weight.
android:background . Contents are displayed together (true /false) Relative layout: android:layout_above or but Whose bottom edge the edge is aligned with (id) Android: Layout_toleftof to the right side to align with the left side (ID) android: layout_torightof to the right side of the right side (ID) android: layout_aligntop. Alignment ( ID) Android: Layout_alignbottom. Align with. Who is the right side? The right alignment (id) android:layout_alignParentTop The top is aligned with the top of the parent control (true/false) android:layout_alignParentBottom The bottom is aligned with the bottom of the parent control (true/false) True/False) android: layout_alignparentLeft left to the left side of the parent control (TRUE/FALSE) android: Layout_alignparentrid to the right of the parent control (TR. UE/FALSE) android: layout_centerinparent relative to the parent control (True/False)Android: Layout_CenterHorizontal relative to the level of the parent control level (True/False)
## android: Layout_centervertical Relative to the parent control (True/False)## ~~~~~~~~~~~~~ ~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~
The following is the registration page I just made
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="10dip" > <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" > <TextView android:text="欢迎注册" android:gravity="center" android:textSize="15pt" android:textColor="#ff8c00" android:layout_width="fill_parent" android:layout_height="wrap_content" ></TextView> <TextView android:text=" 性别/Gender" android:textSize="8pt" android:layout_width="wrap_content" android:layout_height="wrap_content" ></TextView> <RadioGroup android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/genderGroup" android:orientation="horizontal"> <RadioButton android:id="@+id/maleButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="男"></RadioButton> <RadioButton android:id="@+id/femaleButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="女"></RadioButton> </RadioGroup> <TextView android:text=" 用户名/User" android:textSize="8pt" android:layout_width="wrap_content" android:layout_height="wrap_content" ></TextView> <EditText android:id="@+id/user" android:layout_width="fill_parent" android:layout_height="wrap_content" ></EditText> <TextView android:text=" 密码/Password" android:textSize="8pt" android:layout_width="wrap_content" android:layout_height="wrap_content" ></TextView> <EditText android:id="@+id/password" android:layout_width="fill_parent" android:layout_height="wrap_content" ></EditText> <TextView android:text=" 重复密码/Re-type Password" android:textSize="8pt" android:layout_width="wrap_content" android:layout_height="wrap_content" ></TextView> <EditText android:id="@+id/rpassword" android:layout_width="fill_parent" android:layout_height="wrap_content" ></EditText> <CheckBox android:text="同意注册条款*" android:id="@+id/CheckBox01" android:layout_width="wrap_content" android:layout_height="wrap_content" ></CheckBox> </LinearLayout> <TableRow android:layout_alignParentBottom="true" android:id="@+id/TableRow01" android:layout_width="fill_parent" android:layout_height="wrap_content"> <Button android:id="@+id/confirm" android:text="confirm" android:textSize="10pt" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" ></Button> <Button android:textSize="10pt" android:text="cancel" android:layout_width="wrap_content" android:id="@+id/cancel" android:layout_height="wrap_content" android:layout_weight="1" ></Button> </TableRow> </RelativeLayout>
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