package com.hoodeddeath.physicscalculator;

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

public class GravityActivity extends AppCompatActivity {

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

    public void calc_Click(View v){
        double TEN = 10;
        double NEGELEVEN = -11;
        double G = 6.67*(Math.pow(TEN,NEGELEVEN));
        double TWO = 2;
        String mOneText = ((EditText)findViewById(R.id.massOne)).getText().toString();
        String aOneText = ((EditText)findViewById(R.id.ampOne)).getText().toString();
        String mTwoText = ((EditText)findViewById(R.id.massTwo)).getText().toString();
        String aTwoText = ((EditText)findViewById(R.id.ampTwo)).getText().toString();
        String distText = ((EditText)findViewById(R.id.distance)).getText().toString();
        String aThreeText = ((EditText)findViewById(R.id.ampThree)).getText().toString();

        double mOne = Double.parseDouble(mOneText);
        double aOne = Double.parseDouble(aOneText);
        double mTwo = Double.parseDouble(mTwoText);
        double aTwo = Double.parseDouble(aTwoText);
        double dist = Double.parseDouble(distText);
        double aThree = Double.parseDouble(aThreeText);

        mOne = mOne * aOne;
        mTwo = mTwo * aTwo;
        dist = dist * aThree;
        dist = Math.pow(dist, TWO);

        double total = (G * mOne * mTwo) / dist;

        TextView a = (TextView)findViewById(R.id.finalForceLabel);
        a.setText((int) total);
    }
}

double mOne = Double.parseDouble(findViewById(R.id.finalForceLabel).toString());
    double aOne = Double.parseDouble(findViewById(R.id.ampOne).toString());
    double mTwo = Double.parseDouble(findViewById(R.id.massTwo).toString());
    double aTwo = Double.parseDouble(findViewById(R.id.ampTwo).toString());
    double dist = Double.parseDouble(findViewById(R.id.distance).toString());
    double aThree = Double.parseDouble(findViewById(R.id.ampThree).toString());

String someString = ((EditText)findViewById(R.id.ampOne)).getText().toString();

double d = Double.parseDouble(someString);

Resources r = this.getResources();
 r.getString(R.strings.someTextOrWhatever);

a.setText(Double.toString(total));