Mobile application by Android studio app:

As you see in the first pic when I chose to click on the area of a circle it will open a new page and calculate it.

write code for the second and third button same as pictures

Android - - Ictivity_circle_area.xml CircleArea.java activity_farto_cel.xml> FartoCel.java activity_kiloto_miles.xml x Kiloto Miles.java MainActivity.java app package com.cces.mapp.assignmentl; manifests java com.cces.mapp.assignment1 Dimport ... Circle Area Fartocel Kiloto Miles public class MainActivity extends AppCompatActivity { MainActivity Button btnCircle, btnFarenheit, btnKilo; bilcom.cces.mapp.assignment1 10 @Override com.cces.mapp.assignment1 11 of protected void onCreate (Bundle savedInstanceState) { Java (generated) 12 super.onCreate(savedInstanceState); drawable 13 setContentView yout.activity_main); D layout activity_circle_area.xml 14 &activity_farto_cel.xml 15 btnCircle = (Button) findViewById(R.id.btnArea); & activity_kiloto_miles.xml 16 btnfarenheit = (Button) findViewById(R.id.btnFarenheit); activity_main.xml bi mipmap 17 bo values 18 igres (generated) 19 Gradle Scripts 20 1 Projec DELLUITEN View.layouw.aucivily_main), btnCircle = (Button) findViewById(R.id.btnArea); btnFarenheit = (Button) findViewById(R.id.btn Farenheit); btnKilo (Button) findViewById(R.id.btnKilo); Resource Manager btnCircle.setOnClickListener(this); btnfarenheit.setOnClickListener(this); btnkilo.setOnClickListener(this); app manifests 16 java 17 com.cces.mapp.assignment1 18 Circle Area FartoCel 19 Kiloto Miles 20 MainActivity 21 com.cces.mapp.assignment1 bi com.cces.mapp.assignment1 22 java (generated) 23 24 drawable balayout 25 a activity_circle_area.xml 26 activity_tarto_cel.xml 27 activity_kiloto_miles.xml activity_main.xml 28 oa mipmap 29 o values 30 res (generated) Gradle Scripts 31 32 res } K Build Variants V @ I. Structure @Override public void onClick(View v) { switch (v.getId()) { case R.id.btnArea: I Intent in new Intent ( packageContext: this, CircleArea. startActivity(in); break; 2. Favorites 33 34 File Edit View Navigate Code Analyze Befactor Buid Run Tools VCS Window Help signments appsc main java bail.com Dicces Dimapp assignment1 MainActivity app - My Device Q Android - - Ictivity cide_area.m CircleAres java activity farto cel.xml FartoCeljava activity kiloto miles.xml Kiloto Miles.java MainActivity.java v app 26 @Override manifests java 27 O @ public void onClick(View v) { com cces mapp assignment1 28 switch (v.getId()) Circle Area Farto Cel { kiloto Miles case R.id.btnArea: MainActivity 32 Intent in = new Intent( packageContext: this,CircleArea.class)+ com coesmapp assignment1 bil.com cces.mappassignment 1 32 startActivity(in); java generated break; res case R.id.btn Farenheit: drawable layout 35 Intenc = new Intent( packageContext: this, FartoCel.class); activity_circle_areal startAdivity (infc); a activity farto celxml 37 activity kulotomiles.xml break; activity_main.xml case R.id.btnkilo: Da mipmap 39 Intent inkilo = new Intent( packageContext: this, KilotoMiles.cl bivalues 40 startActivity (inkilo); tres generated res Gradle Scripts break; 43 Trapp Assignment pringeuzi varoitetssignmentmappisicmainyava com cces Sumappassignment WainActivity Java LPP ) File Edit View Navigate Code Analyze Refactor Build Run Tools VCS Window Help isignment app main java com bicces bil mapp assignment1 MainActivity , My Device GF & ta Android - activity_circle_area.xmx GirdleArea.java GrdeArea.java activity_fatto_cel.xml FartoCeljava activity kiloto_miles.xml kiloto Miles java MainActivity java pawan was man Liviny Calenus appcomparatively PIERCICO VIEW.UTICII manifests 11 Button btnCircle, btnfarenheit, btnkilo; java 12 @Override com.cces.mapp assignment 13 Of protected void onCreate(Bundle savedInstanceState) { Circle Area Fartocel super.onCreate(savedInstanceState); kiloto Miles setContentView(R.layout.activity main); MainActivity 16 com.coes.mapp assignment1 b.com.ccos.mappassignment1 17 btnCircle = (Button) findViewById(R.id.btnArea); java onerated btnfarenheit = (Button) findViewById(R.id.btnfarenheit); Dadrawable btnkilo = (Button) findViewById(R.id.btnkilo); De layout & activity_circle_area.xml 21 btnCircle.setOnClickListener(this); activity_farto_cel xml activity_kciloto_riles.xml 22 btnfarenheit.setOnClickListener(this); activity_main.xml btnKilo.setOnClickListener(this); Da mipmap 24 De values 25 res (generated Gradle Scripts @Override 27 of @ public void onClick(View v) { 20 switch (v.getId()) 29 res Maintain onto ton E D 1 Project Gradle java 13 of Resource Manager = Android activity_circle_area.xm X CirceArea.java activity_farto_cel.xml FartoCel.java activity_kiloto_miles.xml Kiloto Miles.java MainActivity.java PUII Class TallALLIVILY LAccivicy LILLEMens VIEW. UTICII app manifests 11 Button btnCircle, btnfarenheit, btnKilo; 12 @Override com.coes.mapp.assignment1 protected void onCreate(Bundle savedInstanceState) { CircleArea FartoCei super.onCreate(savedlnstanceState); Kiloto Miles setContentView(R.layout.activity main); MainActivity com.cces.mapp.assignment1 com.cces.mapp.assignment1 17 btnCircle = (Button) findViewById(R.id.btnArea); *java (generated) btnfarenheit (Button) findViewById(R.id.btnfarenheit); btnKilo = (Button) findViewById(R.id.btnkilo); drawable v layout activity_circle_area.xml btnCircle.setOnClickListener(this); activity_tarto_cel.xml btnfarenheit.setOnClickListener(this); activity_iiloto_miles.xml activity_main.xml btnKilo.setOnClickListener(this); Da mipmap 24 values res generated) Gradie Scripts @Override 2 of @ I public void onClick(View v) { 20 switch (v.getId()) res K Build Variants 21 .. 1 Structure * 2. Favorites U Levice Te Explor Nidor Dung Nu DIP main res nt1 6:14 0 D layout activity_circle_area.xml app [, My Dev CircleArea.java activity_circle_area.xml Assignment1 Dicartulare.DELICIILADISLevel I CITIN 19 } 20 21 @Override Learn Maths! 22 @ public void onClick(View v) { 23 TextView txtResult (TextView) find 24 Edit Text editRadius (EditText) find AREA OF CIRCLE double radius Double. parseDouble (e switch (v.getId()) FAHRENHEIT TO CELSIUS 27 { 28 case R.id.btnCalculate: 29 double res Math.PI*Math.pd KILOMETER TO MILES 30 txtResult.setText (Double. to 31 nt1 ht1 25 26 1 32 33 34. Install successfully finished in 2 s 309 ms. main res layout C CircleArea.java activity_circle_area.xml 6:13 app C, My Dev activity_circle_area.xml x Lucalculace.securIIEALIScenel I CITI Assignment1 19 gnment1 25 20 Calculate Area of Circle gnment1 21 @Override 22 of @ public void onClick (View v) { 23 TextView txtResult (TextView) find Enter Radius 24 Edit Text editRadius (Edit Text) fing gnment1 double radius Double. parseDouble( CALCULATE AREA OF CIRCLE 26 switch (v.getId()) { 28 case R.id.btnCalculate: thanks | we a.xml 29 double res Math.PI*Math.pd xml a w e r 30 t yu o txtResult.setText (Double. to: les.xml 31 a s d f g h j k | 32 33 z x C v b nm (x 34. ?123 3 4 7 8 9 0 D-D Install successfully finished in 2 s 309 ms