diff options
Diffstat (limited to 'app/src/main/java')
| -rw-r--r-- | app/src/main/java/me/marvinborner/myapplication/MainActivity.java | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/app/src/main/java/me/marvinborner/myapplication/MainActivity.java b/app/src/main/java/me/marvinborner/myapplication/MainActivity.java new file mode 100644 index 0000000..921f0f1 --- /dev/null +++ b/app/src/main/java/me/marvinborner/myapplication/MainActivity.java @@ -0,0 +1,194 @@ +package me.marvinborner.myapplication; + +import android.os.Bundle; +import android.support.v7.app.AppCompatActivity; +import android.text.method.ScrollingMovementMethod; +import android.view.View; +import android.widget.Button; +import android.widget.TextView; + +public class MainActivity extends AppCompatActivity { + + Button button0, button1, button2, button3, button4, button5, button6, + button7, button8, button9, buttonAdd, buttonSub, buttonDivision, + buttonMul, button10, buttonC, buttonEqual; + TextView ResultTextView; + + float mValueOne, mValueTwo; + + boolean Addition, Subtraction, Multiplication, Division; + + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + setContentView(R.layout.activity_main); + + button0 = findViewById(R.id.button0); + button1 = findViewById(R.id.button1); + button2 = findViewById(R.id.button2); + button3 = findViewById(R.id.button3); + button4 = findViewById(R.id.button4); + button5 = findViewById(R.id.button5); + button6 = findViewById(R.id.button6); + button7 = findViewById(R.id.button7); + button8 = findViewById(R.id.button8); + button9 = findViewById(R.id.button9); + button10 = findViewById(R.id.button10); + buttonAdd = findViewById(R.id.buttonadd); + buttonSub = findViewById(R.id.buttonsub); + buttonMul = findViewById(R.id.buttonmul); + buttonDivision = findViewById(R.id.buttondiv); + buttonC = findViewById(R.id.buttonC); + buttonEqual = findViewById(R.id.buttoneql); + ResultTextView = findViewById(R.id.edt1); + + ResultTextView.setMovementMethod(new ScrollingMovementMethod()); + + + button1.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "1"); + } + }); + + button2.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "2"); + } + }); + + button3.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "3"); + } + }); + + button4.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "4"); + } + }); + + button5.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "5"); + } + }); + + button6.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "6"); + } + }); + + button7.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "7"); + } + }); + + button8.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "8"); + } + }); + + button9.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "9"); + } + }); + + button0.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "0"); + } + }); + + buttonAdd.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + + if (ResultTextView == null) { + ResultTextView.setText(""); + } else { + mValueOne = Float.parseFloat(ResultTextView.getText() + ""); + Addition = true; + ResultTextView.setText(null); + } + } + }); + + buttonSub.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + mValueOne = Float.parseFloat(ResultTextView.getText() + ""); + Subtraction = true; + ResultTextView.setText(null); + } + }); + + buttonMul.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + mValueOne = Float.parseFloat(ResultTextView.getText() + ""); + Multiplication = true; + ResultTextView.setText(null); + } + }); + + buttonDivision.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + mValueOne = Float.parseFloat(ResultTextView.getText() + ""); + Division = true; + ResultTextView.setText(null); + } + }); + + buttonEqual.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + mValueTwo = Float.parseFloat(ResultTextView.getText() + ""); + + if (Addition){ + ResultTextView.setText(mValueOne + mValueTwo + ""); + Addition = false; + } else if (Subtraction) { + ResultTextView.setText(mValueOne - mValueTwo + ""); + Subtraction = false; + } else if (Multiplication) { + ResultTextView.setText(mValueOne * mValueTwo + ""); + Multiplication = false; + } else if (Division) { + ResultTextView.setText(mValueOne / mValueTwo + ""); + Division = false; + } + } + }); + + buttonC.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(""); + } + }); + + button10.setOnClickListener(new View.OnClickListener() { + @Override + public void onClick(View v) { + ResultTextView.setText(ResultTextView.getText() + "."); + } + }); + } +} |