Calculater

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Calculater

Hii today  we going the study about calculater .Today I tall you how to make a. Android calculater on your mobile by using sketchware .

Follow the following step

First ly open sketchware and make

New project and

package com.my.newproject2;

import android.app.*;
import android.os.*;
import android.view.*;
import android.view.View.*;
import android.widget.*;
import android.content.*;
import android.content.ClipboardManager;
import android.graphics.*;
import android.media.*;
import android.net.*;
import android.text.*;
import android.util.*;
import android.webkit.*;
import android.animation.*;
import android.view.animation.*;
import java.util.*;
import java.text.*;

 

public class MainActivity extends Activity {

private Button button1;
private TextView textview1;

private double a = 0;

 

 

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
initialize();
initializeLogic();
}

private void initialize() {
button1 = (Button) findViewById(R.id.button1);
textview1 = (TextView) findViewById(R.id.textview1);

 

button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View _v) {

}
});

}

private void initializeLogic() {

}

 

 

 

// created automatically
private void showMessage(String _s) {
Toast.makeText(getApplicationContext(), _s, Toast.LENGTH_SHORT).show();
}

private int getRandom(int _minValue ,int _maxValue){
Random random = new Random();
return random.nextInt(_maxValue – _minValue + 1) + _minValue;
}

public ArrayList<Double> getCheckedItemPositionsToArray(ListView _list) {
ArrayList<Double> _result = new ArrayList<Double>();
SparseBooleanArray _arr = _list.getCheckedItemPositions();
for (int _iIdx = 0; _iIdx < _arr.size(); _iIdx++) {
if (_arr.valueAt(_iIdx))
_result.add((double)_arr.keyAt(_iIdx));
}
return _result;
}

private float getDip(int _input){
return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, _input, getResources().getDisplayMetrics());
}

private int getDisplayWidthPixels(){
return getResources().getDisplayMetrics().widthPixels;
}

private int getDisplayHeightPixels(){
return getResources().getDisplayMetrics().heightPixels;
}

 

}
<LinearLayout
xmlns:android=”http://schemas.android.com/apk/res/android”
android:layout_width=”match_parent”
android:layout_height=”match_parent”
android:orientation=”vertical”
>
<Button
android:id=”@+id/button1″
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:padding=”8dp”
android:text=”Button”
android:textSize=”12sp”
android:textColor=”#000000″
/>
<TextView
android:id=”@+id/textview1″
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:padding=”8dp”
android:text=”TextView”
android:textSize=”12sp”
android:textColor=”#000000″
/>
</LinearLayout>
<manifest xmlns:android=”http://schemas.android.com/apk/res/android”
package=”com.my.newproject2″>

 

<application android:allowBackup=”true”
android:label=”variable”
android:icon=”@drawable/app_icon”
android:name=”.SketchApplication”
android:theme=”@style/AppTheme”>

<activity
android:name=”.MainActivity”
android:configChanges=”orientation|screenSize”
android:screenOrientation=”portrait”
>
<intent-filter>
<action android:name=”android.intent.action.MAIN”/>
<category android:name=”android.intent.category.LAUNCHER”/>
</intent-filter>
</activity>
<activity android:name=”.DebugActivity” android:screenOrientation=”portrait”/>
</application>

</manifest>

package com.my.newproject2;

import android.app.*;
import android.os.*;
import android.view.*;
import android.view.View.*;
import android.widget.*;
import android.content.*;
import android.content.ClipboardManager;
import android.graphics.*;
import android.media.*;
import android.net.*;
import android.text.*;
import android.util.*;
import android.webkit.*;
import android.animation.*;
import android.view.animation.*;
import java.util.*;
import java.text.*;

 

public class MainActivity extends Activity {

private Button button1;
private TextView textview1;

private double a = 0;

 

 

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
initialize();
initializeLogic();
}

private void initialize() {
button1 = (Button) findViewById(R.id.button1);
textview1 = (TextView) findViewById(R.id.textview1);

 

button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View _v) {

}
});

}

private void initializeLogic() {

}

 

 

 

// created automatically
private void showMessage(String _s) {
Toast.makeText(getApplicationContext(), _s, Toast.LENGTH_SHORT).show();
}

private int getRandom(int _minValue ,int _maxValue){
Random random = new Random();
return random.nextInt(_maxValue – _minValue + 1) + _minValue;
}

public ArrayList<Double> getCheckedItemPositionsToArray(ListView _list) {
ArrayList<Double> _result = new ArrayList<Double>();
SparseBooleanArray _arr = _list.getCheckedItemPositions();
for (int _iIdx = 0; _iIdx < _arr.size(); _iIdx++) {
if (_arr.valueAt(_iIdx))
_result.add((double)_arr.keyAt(_iIdx));
}
return _result;
}

private float getDip(int _input){
return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, _input, getResources().getDisplayMetrics());
}

private int getDisplayWidthPixels(){
return getResources().getDisplayMetrics().widthPixels;
}

private int getDisplayHeightPixels(){
return getResources().getDisplayMetrics().heightPixels;
}

 

}
<LinearLayout
xmlns:android=”http://schemas.android.com/apk/res/android”
android:layout_width=”match_parent”
android:layout_height=”match_parent”
android:orientation=”vertical”
>
<Button
android:id=”@+id/button1″
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:padding=”8dp”
android:text=”Button”
android:textSize=”12sp”
android:textColor=”#000000″
/>
<TextView
android:id=”@+id/textview1″
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:padding=”8dp”
android:text=”TextView”
android:textSize=”12sp”
android:textColor=”#000000″
/>
</LinearLayout>
<manifest xmlns:android=”http://schemas.android.com/apk/res/android”
package=”com.my.newproject2″>

 

<application android:allowBackup=”true”
android:label=”variable”
android:icon=”@drawable/app_icon”
android:name=”.SketchApplication”
android:theme=”@style/AppTheme”>

<activity
android:name=”.MainActivity”
android:configChanges=”orientation|screenSize”
android:screenOrientation=”portrait”
>
<intent-filter>
<action android:name=”android.intent.action.MAIN”/>
<category android:name=”android.intent.category.LAUNCHER”/>
</intent-filter>
</activity>
<activity android:name=”.DebugActivity” android:screenOrientation=”portrait”/>
</application>

</manifest>

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