android calculator
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XML
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JAVA
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Strings
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:weightSum="1" android:id="@+id/q">
<TextClock
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/textClock" android:layout_gravity="right"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:id="@+id/rst" android:layout_gravity="center_horizontal" android:gravity="right"
android:textColor="#ff000000" android:background="#ffffffff" android:textSize="25dp"
android:layout_weight="0.10"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:id="@+id/t1" android:layout_gravity="center_horizontal" android:phoneNumber="false"
android:numeric="signed|integer|decimal" android:gravity="right" android:background="#ffffffff"
android:autoText="false" android:textColor="#ff19331a" android:singleLine="true"
android:textSize="50dp"/>
<Space
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal" android:layout_weight="0.22"/>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/off" android:id="@+id/off"
android:textSize="30dp" android:background="#cad54147" android:layout_weight=".57"/>
<Space
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="2.58"/>
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:text="@string/del"
android:id="@+id/bclr" android:layout_weight="0.57" android:textSize="30dp"
android:background="#ff477dd5"/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/one"
android:id="@+id/b1" android:layout_weight="1" android:textSize="40dp"
android:background="#ff020202" android:onClick="onClick"/>
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/two"
android:id="@+id/b2" android:layout_weight="1" android:textSize="40dp"
android:background="#ff020202" android:onClick="onClick"/>
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/three"
android:id="@+id/b3" android:layout_weight="1" android:textSize="40dp"
android:background="#ff020202" android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/div" android:id="@+id/bdiv"
android:layout_weight="1" android:textSize="35dp" android:background="#ff020202"
android:onClick="onClickSign"/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/four" android:id="@+id/b4"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/five" android:id="@+id/b5"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/six" android:id="@+id/b6"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/mul" android:id="@+id/bmul"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClickSign"/>
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/seven" android:id="@+id/b7"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/eight" android:id="@+id/b8"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/nine" android:id="@+id/b9"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/sub" android:id="@+id/bsub"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClickSign"/>
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/dot" android:id="@+id/bdot"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/zero" android:id="@+id/b0"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/eql" android:id="@+id/beql"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClickSign"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/pluse" android:id="@+id/badd"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClickSign"/>
</LinearLayout>
</LinearLayout>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:weightSum="1" android:id="@+id/q">
<TextClock
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/textClock" android:layout_gravity="right"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceMedium"
android:id="@+id/rst" android:layout_gravity="center_horizontal" android:gravity="right"
android:textColor="#ff000000" android:background="#ffffffff" android:textSize="25dp"
android:layout_weight="0.10"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:id="@+id/t1" android:layout_gravity="center_horizontal" android:phoneNumber="false"
android:numeric="signed|integer|decimal" android:gravity="right" android:background="#ffffffff"
android:autoText="false" android:textColor="#ff19331a" android:singleLine="true"
android:textSize="50dp"/>
<Space
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal" android:layout_weight="0.22"/>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/off" android:id="@+id/off"
android:textSize="30dp" android:background="#cad54147" android:layout_weight=".57"/>
<Space
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="2.58"/>
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:text="@string/del"
android:id="@+id/bclr" android:layout_weight="0.57" android:textSize="30dp"
android:background="#ff477dd5"/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/one"
android:id="@+id/b1" android:layout_weight="1" android:textSize="40dp"
android:background="#ff020202" android:onClick="onClick"/>
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/two"
android:id="@+id/b2" android:layout_weight="1" android:textSize="40dp"
android:background="#ff020202" android:onClick="onClick"/>
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/three"
android:id="@+id/b3" android:layout_weight="1" android:textSize="40dp"
android:background="#ff020202" android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/div" android:id="@+id/bdiv"
android:layout_weight="1" android:textSize="35dp" android:background="#ff020202"
android:onClick="onClickSign"/>
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/four" android:id="@+id/b4"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/five" android:id="@+id/b5"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/six" android:id="@+id/b6"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/mul" android:id="@+id/bmul"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClickSign"/>
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/seven" android:id="@+id/b7"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/eight" android:id="@+id/b8"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/nine" android:id="@+id/b9"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/sub" android:id="@+id/bsub"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClickSign"/>
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:layout_width="match_parent"
android:layout_height="wrap_content" android:layout_gravity="center_horizontal">
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/dot" android:id="@+id/bdot"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/zero" android:id="@+id/b0"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClick"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/eql" android:id="@+id/beql"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClickSign"/>
<Button style="?android:attr/buttonStyleSmall" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="@string/pluse" android:id="@+id/badd"
android:layout_weight="1" android:textSize="40dp" android:background="#ff020202"
android:onClick="onClickSign"/>
</LinearLayout>
</LinearLayout>
package com.example.Calc;
import android.app.Activity;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class MyActivity extends Activity {
/**
* Called when the activity is first created.
*/
TextView v1,v2;
Button off,but;
String sign1="",sign2="",temp="",rst="";
Double val1=0.0,val2=0.0;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
v1=(TextView)findViewById(R.id.t1);
but=(Button)findViewById(R.id.bclr);
off=(Button)findViewById(R.id.off);
v2=(TextView)findViewById(R.id.rst);
off.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
System.exit(0);
}
});
but.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
v1.setText("");
v2.setText("");
sign1=sign2=temp="";
val1=val2=0.0;
}
});
}
public void onClick(View v){
Button bo=(Button) v;
temp+=bo.getText().toString();
v1.setText(temp);
// v2.setText(v2.getText().toString()+temp);
}
public void onClickSign(View v) {
Button bo = (Button) v;
sign2 = bo.getText().toString();
if (sign1.equals("")) {
sign1 = sign2;
val1 = Double.parseDouble(v1.getText().toString());
temp = "";
v1.setText(temp);
rst+=val1;
rst+=sign1;
v2.setText(rst);
} else {
try {
val2 = Double.parseDouble(v1.getText().toString());
}catch (Exception e){}
rst+=val2;
v2.setText(rst);
if (sign2.equals("="))
{
rst+=sign2;
if (sign1.equals("+")) {
val1 = val1 + val2;
v1.setText(val1 + "");
} else if (sign1.equals("-")) {
val1 = val1 - val2;
v1.setText(val1 + "");
} else if (sign1.equals("x")) {
val1 = val1 * val2;
v1.setText(val1 + "");
} else if (sign1.equals("%")) {
val1 = val1 / val2;
v1.setText(val1 + "");
}
rst+=val1;
v2.setText(rst);
rst="";
sign1=sign2=temp="";
val1=val2=0.0;
}
else
{
rst+=sign2;
if (sign1.equals("+")) {
val1 = val1 + val2;
} else if (sign1.equals("-")) {
val1 = val1 - val2;
} else if (sign1.equals("x")) {
val1 = val1 * val2;
} else if (sign1.equals("%")) {
val1 = val1 / val2;
}
sign1 = sign2;
temp = "";
v1.setText(temp);
v2.setText(rst);
}
Toast.makeText(this,val1+"",Toast.LENGTH_SHORT).show();
}
}
}
import android.app.Activity;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class MyActivity extends Activity {
/**
* Called when the activity is first created.
*/
TextView v1,v2;
Button off,but;
String sign1="",sign2="",temp="",rst="";
Double val1=0.0,val2=0.0;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
v1=(TextView)findViewById(R.id.t1);
but=(Button)findViewById(R.id.bclr);
off=(Button)findViewById(R.id.off);
v2=(TextView)findViewById(R.id.rst);
off.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
System.exit(0);
}
});
but.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
v1.setText("");
v2.setText("");
sign1=sign2=temp="";
val1=val2=0.0;
}
});
}
public void onClick(View v){
Button bo=(Button) v;
temp+=bo.getText().toString();
v1.setText(temp);
// v2.setText(v2.getText().toString()+temp);
}
public void onClickSign(View v) {
Button bo = (Button) v;
sign2 = bo.getText().toString();
if (sign1.equals("")) {
sign1 = sign2;
val1 = Double.parseDouble(v1.getText().toString());
temp = "";
v1.setText(temp);
rst+=val1;
rst+=sign1;
v2.setText(rst);
} else {
try {
val2 = Double.parseDouble(v1.getText().toString());
}catch (Exception e){}
rst+=val2;
v2.setText(rst);
if (sign2.equals("="))
{
rst+=sign2;
if (sign1.equals("+")) {
val1 = val1 + val2;
v1.setText(val1 + "");
} else if (sign1.equals("-")) {
val1 = val1 - val2;
v1.setText(val1 + "");
} else if (sign1.equals("x")) {
val1 = val1 * val2;
v1.setText(val1 + "");
} else if (sign1.equals("%")) {
val1 = val1 / val2;
v1.setText(val1 + "");
}
rst+=val1;
v2.setText(rst);
rst="";
sign1=sign2=temp="";
val1=val2=0.0;
}
else
{
rst+=sign2;
if (sign1.equals("+")) {
val1 = val1 + val2;
} else if (sign1.equals("-")) {
val1 = val1 - val2;
} else if (sign1.equals("x")) {
val1 = val1 * val2;
} else if (sign1.equals("%")) {
val1 = val1 / val2;
}
sign1 = sign2;
temp = "";
v1.setText(temp);
v2.setText(rst);
}
Toast.makeText(this,val1+"",Toast.LENGTH_SHORT).show();
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Calc</string>
<string name="one">1</string>
<string name="two">2</string>
<string name="three">3</string>
<string name="four">4</string>
<string name="five">5</string>
<string name="six">6</string>
<string name="seven">7</string>
<string name="eight">8</string>
<string name="nine">9</string>
<string name="zero">0</string>
<string name="pluse">+</string>
<string name="div">%</string>
<string name="mul">x</string>
<string name="sub">-</string>
<string name="eql">=</string>
<string name="dot">.</string>
<string name="del">DEL</string>
<string name="off">OFF</string>
</resources>
<resources>
<string name="app_name">Calc</string>
<string name="one">1</string>
<string name="two">2</string>
<string name="three">3</string>
<string name="four">4</string>
<string name="five">5</string>
<string name="six">6</string>
<string name="seven">7</string>
<string name="eight">8</string>
<string name="nine">9</string>
<string name="zero">0</string>
<string name="pluse">+</string>
<string name="div">%</string>
<string name="mul">x</string>
<string name="sub">-</string>
<string name="eql">=</string>
<string name="dot">.</string>
<string name="del">DEL</string>
<string name="off">OFF</string>
</resources>