Step 1: Install android studio and sdk.
Step 2: Open the adroid studio after design the app use this code.
Step 3: Write a java code in this app use to this code.
Java Code:
XML Code:
- <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" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity" android:id="@+id/sree">
-
- <EditText android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/editText1" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:layout_marginLeft="41dp" android:layout_marginStart="41dp" android:layout_marginTop="94dp" />
-
- <EditText android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/editText2" android:layout_below="@+id/editText1" android:layout_alignLeft="@+id/editText1" android:layout_alignStart="@+id/editText1" android:layout_marginTop="47dp" />
-
- <EditText android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/editText3" android:layout_below="@+id/editText2" android:layout_alignLeft="@+id/editText2" android:layout_alignStart="@+id/editText2" android:layout_marginTop="65dp" />
-
- <Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="SUM" android:id="@+id/button1" android:layout_below="@+id/editText3" android:layout_centerHorizontal="true" android:layout_marginTop="54dp" />
-
- </RelativeLayout>
Step 4: Run the application use to emulator.
Step 5: Create a AVD.
Successfully complted the your sum application.Thank you all.