Notes

MENÜLÜ HESAP MAKİNESİ
Maninactivity.java

package com.example.menuluhesap;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
EditText etS1,etS2;
TextView tvSonuc;
int S1 = 0;
int S2 = 0;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
etS1 = findViewById(R.id.etS1);
etS2 = findViewById(R.id.etS2);
tvSonuc = findViewById(R.id.tvSonuc);





FloatingActionButton fab = findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
S1 = Integer.parseInt(etS1.getText().toString());
S2 = Integer.parseInt(etS2.getText().toString());

int id = item.getItemId();


switch (id){
case R.id.Toplama:
int toplam = S1 + S2;
tvSonuc.setText(String.valueOf(toplam));
Toast.makeText(this, ""+S1, Toast.LENGTH_SHORT).show();
return true;
case R.id.Cikarma:
int kalan = S1 - S2;
tvSonuc.setText(String.valueOf(kalan));
return true;
case R.id.Carpma:
int carpim = S1 * S2;
tvSonuc.setText(String.valueOf(carpim));
return true;
case R.id.Bolme:
double bolum = S1 / S2;
tvSonuc.setText(String.valueOf(bolum));
return true;



}


return super.onOptionsItemSelected(item);
}
}
*******************************************************************************************************************
sayfa geçişli menülü hesap makinesi

Mainactivity.java

package com.example.menuhesap;

import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.EditText;
import android.widget.Switch;
import android.widget.TextView;
import android.widget.Toast;

import javax.sql.StatementEvent;

public class MainActivity extends AppCompatActivity {
EditText etS1,etS2;
int S1 = 0;
int S2 = 0;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);

etS1 = findViewById(R.id.etS1);
etS2 = findViewById(R.id.etS2);



FloatingActionButton fab = findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
System.exit(0);
}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
S1 = Integer.parseInt(etS1.getText().toString());
S2 = Integer.parseInt(etS2.getText().toString());
Intent i = new Intent(MainActivity.this,Sonucekran.class);
String Sonuc = null;

// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();

/* //noinspection SimplifiableIfStatement
if (id == R.id.Bolme) {
return true;
}*/

switch(id){
case R.id.Toplama:
Sonuc = S1+" + "+S2+" = "+(S1+S2);
i.putExtra("sonuc",Sonuc);
startActivity(i);
return true;
case R.id.Cikarma:
Sonuc = S1+" - "+S2+" = "+(S1-S2);
i.putExtra("sonuc",Sonuc);
startActivity(i);
return true;
case R.id.Carpma:
Sonuc = S1+" * "+S2+" = "+(S1*S2);
i.putExtra("sonuc",Sonuc);
startActivity(i);
return true;
case R.id.Bolme:
Sonuc = S1+" / "+S2+" = "+(S1/S2);
i.putExtra("sonuc",Sonuc);
startActivity(i);

return true;
case R.id.sil:
etS2.setText(null);
etS1.setText(null);
return true;




}

return super.onOptionsItemSelected(item);
}
}

-----------------------------------------------------------------------------------------
sonucekran.java

package com.example.menuhesap;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

public class Sonucekran extends AppCompatActivity {
TextView tvSonuc;


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sonucekran);

tvSonuc = findViewById(R.id.tvSonuc);
tvSonuc.setText(getIntent().getExtras().getString("sonuc"));





}
}
--************************************************************************************************************
isim soyisim yazıp sayfa geçişi yapan program

Mainactivity.java

package com.example.veriaktarma;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {
EditText etAd,etYas;
Button btnHesapla;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

etAd = findViewById(R.id.etAd);
etYas = findViewById(R.id.etYas);
btnHesapla = findViewById(R.id.btnYas);

btnHesapla.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String isim = etAd.getText().toString();
byte yas = Byte.parseByte(etYas.getText().toString());
Intent intentAktar = new Intent(MainActivity.this,GoruntuleActivity.class);
intentAktar.putExtra("ad",isim);
intentAktar.putExtra("yas",yas);

startActivity(intentAktar);

}
});
}
}
*--------------------------------------------------------------------------------------
GoruntuleActivity.java

package com.example.veriaktarma;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

public class GoruntuleActivity extends AppCompatActivity {
TextView tvAd,tvDt;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_goruntule);


tvAd = findViewById(R.id.tvAd);
tvDt = findViewById(R.id.tvDt);
String ad = getIntent().getExtras().getString("ad");
tvAd.setText("İsminiz :"+ad);
byte yas = getIntent().getExtras().getByte("yas");
int dt = 2019-yas;
tvDt.setText("Doğum Tarihiniz :"+String.valueOf(dt));
}
}
---******************************************************************************************************
spinner vize final hesaplama harf notu sayfa geçişli
Mainactivity.java
package com.example.aktarmalvizfin;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
EditText etAd;
Spinner spVize,spFinal;
Button btnHesapla;
int vize = 0;
int fin = 0;
double bn = 0;
String vized [];
String finald [];
String harf ="" ;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

etAd =findViewById(R.id.etAd);
spVize = findViewById(R.id.spVize);
spFinal = findViewById(R.id.spFinal);
btnHesapla = findViewById(R.id.btnHesapla);
vized =getResources().getStringArray(R.array.Vizen);
finald = getResources().getStringArray(R.array.Finaln);

spVize.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
vize = Integer.parseInt(vized[position]);

}

@Override
public void onNothingSelected(AdapterView<?> parent) {

}
});

spFinal.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
fin = Integer.parseInt(finald[position]);


}

@Override
public void onNothingSelected(AdapterView<?> parent) {

}
});

btnHesapla.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
bn = vize*0.4+fin*0.6;

if (bn<40)
harf = "FF";
else if (bn<50)
harf = "DD";
else if (bn<60)
harf = "DC";
else if (bn<70)
harf ="CC";
else if (bn<80)
harf = "CB";
else if (bn<90)
harf = "BB";
else
harf = "AA";


String isim = etAd.getText().toString();
Intent aktarma = new Intent(MainActivity.this,sonucekrani.class);
aktarma.putExtra("bn",bn);
aktarma.putExtra("ad",isim);
aktarma.putExtra("hnot",harf);
startActivity(aktarma);
// Toast.makeText(MainActivity.this, ""+bn+harf, Toast.LENGTH_SHORT).show();




}
});



}
}

------------------------------------------------------------------------------------------
sonucekrani.java

package com.example.aktarmalvizfin;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.Toast;

public class sonucekrani extends AppCompatActivity {
TextView tvSonuc;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sonucekrani);


tvSonuc = findViewById(R.id.tvSonuc);
String ad2 = getIntent().getExtras().getString("ad");
double bn2 = getIntent().getExtras().getDouble("bn");
String harf2 = getIntent().getExtras().getString("hnot");
tvSonuc.setText("İsminiz : "+ad2+"Başarı Notunuz : "+bn2+"Harf Karşılığı :"+harf2);
Toast.makeText(this, ""+ad2+bn2+harf2, Toast.LENGTH_SHORT).show();



}
}

---------------------------------------------------------------------------------------------
strings.xml

<resources>
<string name="app_name">aktarmalıvizfin</string>
<string name="ad">İsminizi Giriniz :</string>
<string name="hesap">Hesapla</string>
<string name="viz">Vize</string>
<string name="fin">Final</string>

<string-array name="Vizen">
<item>10</item>
<item>20</item>
<item>30</item>
<item>40</item>
<item>50</item>
<item>60</item>
<item>70</item>
<item>80</item>
<item>90</item>
<item>100</item>

</string-array>
<string-array name="Finaln">
<item>10</item>
<item>20</item>
<item>30</item>
<item>40</item>
<item>50</item>
<item>60</item>
<item>70</item>
<item>80</item>
<item>90</item>
<item>100</item>
</string-array>



</resources>