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Java-Helps-Android/projects/Calculator/app/src/main/res/layout/activity_main.xml
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<RelativeLayout 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" | |
tools:context=".MainActivity"> | |
<TextView | |
android:id="@+id/txtScreen" | |
android:layout_width="match_parent" | |
android:layout_height="wrap_content" | |
android:layout_alignParentTop="true" | |
android:layout_centerHorizontal="true" | |
android:gravity="right|center_vertical" | |
android:maxLength="16" | |
android:padding="10dp" | |
android:textAppearance="?android:attr/textAppearanceLarge" | |
android:textSize="30sp" | |
android:typeface="serif" /> | |
<LinearLayout | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" | |
android:layout_below="@+id/txtScreen" | |
android:orientation="vertical"> | |
<LinearLayout | |
android:layout_width="match_parent" | |
android:layout_height="0dp" | |
android:layout_weight="1"> | |
<Button | |
android:id="@+id/btnSeven" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="7" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnEight" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="8" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnNine" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="9" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnDivide" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="/" | |
android:textSize="30sp" /> | |
</LinearLayout> | |
<LinearLayout | |
android:layout_width="match_parent" | |
android:layout_height="0dp" | |
android:layout_weight="1"> | |
<Button | |
android:id="@+id/btnFour" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="4" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnFive" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="5" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnSix" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="6" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnMultiply" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="*" | |
android:textSize="30sp" /> | |
</LinearLayout> | |
<LinearLayout | |
android:layout_width="match_parent" | |
android:layout_height="0dp" | |
android:layout_weight="1"> | |
<Button | |
android:id="@+id/btnOne" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="1" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnTwo" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="2" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnThree" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="3" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnSubtract" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="-" | |
android:textSize="30sp" /> | |
</LinearLayout> | |
<LinearLayout | |
android:layout_width="match_parent" | |
android:layout_height="0dp" | |
android:layout_weight="1"> | |
<Button | |
android:id="@+id/btnDot" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="." | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnZero" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="0" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnClear" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="C" | |
android:textSize="30sp" /> | |
<Button | |
android:id="@+id/btnAdd" | |
android:layout_width="0dp" | |
android:layout_height="match_parent" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="+" | |
android:textSize="30sp" /> | |
</LinearLayout> | |
<Button | |
android:id="@+id/btnEqual" | |
android:layout_width="match_parent" | |
android:layout_height="0dp" | |
android:layout_weight="1" | |
android:background="@drawable/button" | |
android:text="=" | |
android:textSize="30sp" /> | |
</LinearLayout> | |
</RelativeLayout> |