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Học Thiết Kế Web Học Thiết Kế Web Author
Title: Thiết kế giao diện Android - App Calculation Android Studio
Author: Học Thiết Kế Web
Rating 5 of 5 Des:
Đối với lập trình trên thiết bị di động thiết kế giao diện quá một vấn đề cực kỳ quan trọng. Bởi App của bạn có được người dùng ưa thích khô...
Đối với lập trình trên thiết bị di động thiết kế giao diện quá một vấn đề cực kỳ quan trọng. Bởi App của bạn có được người dùng ưa thích không là 1 phần lớn do giao diện của nó. Đặc biệt là đối với lập trình trên android thì thiết kế giao diện Android là một vấn đề cực kỳ khó khăn bởi vì các thiết bị sử dụng android có rất nhiều chủng loại, nhiều kích cỡ màng hình khác nhau.
Vậy làm sao để thiết kế giao diện Android 1 cách đẹp nhất. Hôm nay StudyCoding.Net sẽ hướng dẫn các bạn chương trình "dễ nhất mọi ngôn ngữ" Calculation 





PHP:
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FF000000"
    tools:context=".MainActivity" >

    <!-- dòng 1  Nháºp -->

    <TextView
        android:id="@+id/edt_output"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:ems="10"
        android:gravity="right"
        android:textSize="15sp" />

    <TableRow
        android:layout_width="fill_parent"
        android:layout_height="60sp"
        android:background="#FF000000" >

        <EditText
            android:id="@+id/edt"
            android:layout_width="match_parent"
            android:layout_height="60sp"
            android:layout_weight="0.9"
            android:gravity="right"
            android:inputType="number"
            android:text="9x8"
            android:textColor="#FFFFFFFF"
            android:textSize="35sp" >

            <requestFocus />
        </EditText>
    </TableRow>
    <!-- dòng 2 Space vs DELETE -->

    <TableRow
        android:layout_width="fill_parent"
        android:layout_height="60sp"
        android:background="#FF000000" >

        <Button
            android:id="@+id/btnSpace"
            android:layout_width="match_parent"
            android:layout_height="50sp"
            android:layout_marginLeft="2sp"
            android:layout_weight="0.6"
            android:background="#FF252222" >
        </Button>

        <Button
            android:id="@+id/btnDelete"
            android:layout_width="match_parent"
            android:layout_height="50sp"
            android:layout_marginLeft="3sp"
            android:layout_marginRight="2sp"
            android:layout_weight="0.3"
            android:background="#FF252222"
            android:onClick="btnNumberClick"
            android:text="DELETE"
            android:textColor="#FFFFFFFF" >
        </Button>
    </TableRow>

    <TableLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_marginRight="3sp"
        android:layout_marginTop="3sp" >

        <!-- 789 -->

        <TableRow
            android:id="@+id/tableRow1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0.250" >

            <Button
                android:id="@+id/btnNumber7"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="7"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber8"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="8"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber9"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="9"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnChia"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:onClick="btnNumberClick"
                android:text="/"
                android:textColor="#FFFFFFFF"
                android:textSize="40sp" >
            </Button>
        </TableRow>
        <!-- 456 -->

        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="2sp"
            android:layout_weight="0.250" >

            <Button
                android:id="@+id/btnNumber4"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="4"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber5"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="5"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber6"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="6"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNhan"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:onClick="btnNumberClick"
                android:text="x"
                android:textColor="#FFFFFFFF"
                android:textSize="40sp" >
            </Button>
        </TableRow>
        <!-- 123 -->

        <TableRow
            android:id="@+id/tableRow3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="2sp"
            android:layout_weight="0.250" >

            <Button
                android:id="@+id/btnNumber1"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="1"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber2"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="2"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber3"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="3"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnTru"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:onClick="btnNumberClick"
                android:text="-"
                android:textColor="#FFFFFFFF"
                android:textSize="40sp" >
            </Button>
        </TableRow>
        <!-- . 0 = -->

        <TableRow
            android:id="@+id/tableRow4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="2sp"
            android:layout_marginTop="2sp"
            android:layout_weight="0.250" >

            <Button
                android:id="@+id/btnCham"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="."
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber0"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:onClick="btnNumberClick"
                android:text="0"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnBang"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:onClick="btnNumberClick"
                android:text="="
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnCong"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:onClick="btnNumberClick"
                android:text="+"
                android:textColor="#FFFFFFFF"
                android:textSize="40sp" >
            </Button>
        </TableRow>
    </TableLayout>

</TableLayout>

<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#FF000000"

    tools:context=".MainActivity" >

    <!-- dòng 1  Nhập -->

    <TableRow
        android:layout_width="fill_parent"
        android:layout_height="60sp"
        android:background="#FF000000" >

        <EditText
            android:id="@+id/edt_Output"
            android:layout_width="match_parent"
            android:layout_height="60sp"
            android:layout_weight="0.9"
            android:inputType="number"
            android:text="9x8"
            android:textColor="#FFFFFFFF"
            android:textSize="35sp" >

            <requestFocus />
        </EditText>
    </TableRow>
    <!-- dòng 2 Space vs DELETE -->

    <TableRow
        android:layout_width="fill_parent"
        android:layout_height="60sp"
        android:background="#FF000000" >

        <Button
            android:id="@+id/btnSpace"
            android:layout_width="match_parent"
            android:layout_height="50sp"
            android:layout_marginLeft="2sp"
            android:layout_weight="0.6"
            android:background="#FF252222" >
        </Button>

        <Button
            android:id="@+id/btnDelete"
            android:layout_width="match_parent"
            android:layout_height="50sp"
            android:layout_marginLeft="3sp"
            android:layout_marginRight="2sp"
            android:layout_weight="0.3"
            android:background="#FF252222"
            android:onClick="btnClick"
            android:text="DELETE"
            android:textColor="#FFFFFFFF" >
        </Button>
    </TableRow>

    <TableLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_marginRight="3sp"
        android:layout_marginTop="3sp" >

        <!-- 789 -->

        <TableRow
            android:id="@+id/tableRow1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="0.250" >

            <Button
                android:id="@+id/btnNumber7"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="7"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber8"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="8"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber9"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="9"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnChia"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:text="/"
                android:textColor="#FFFFFFFF"
                android:textSize="40sp" >
            </Button>
        </TableRow>
        <!-- 456 -->

        <TableRow
            android:id="@+id/tableRow2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="2sp"
            android:layout_weight="0.250" >

            <Button
                android:id="@+id/btnNumber4"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="4"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber5"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="5"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber6"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="6"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNhan"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:text="×"
                android:textColor="#FFFFFFFF"
                android:textSize="40sp" >
            </Button>
        </TableRow>
        <!-- 123 -->

        <TableRow
            android:id="@+id/tableRow3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="2sp"
            android:layout_weight="0.250" >

            <Button
                android:id="@+id/btnNumber1"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="1"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber2"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="2"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber3"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="3"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnTru"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:text="-"
                android:textColor="#FFFFFFFF"
                android:textSize="40sp" >
            </Button>
        </TableRow>
        <!-- . 0 = -->

        <TableRow
            android:id="@+id/tableRow4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="2sp"
            android:layout_marginTop="2sp"
            android:layout_weight="0.250" >

            <Button
                android:id="@+id/btnCham"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="."
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnNumber0"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF746C6C"
                android:text="0"
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnBang"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:text="="
                android:textColor="#FFFFFFFF"
                android:textSize="60sp" >
            </Button>

            <Button
                android:id="@+id/btnCong"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:layout_marginLeft="2sp"
                android:layout_weight="0.25"
                android:background="#FF252222"
                android:text="+"
                android:textColor="#FFFFFFFF"
                android:textSize="40sp" >
            </Button>
        </TableRow>
    </TableLayout>

</TableLayout>
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