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import android.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;
import java.util.Random;public class AddFragment extends Fragment {
private TextView edNumber1 = null; private TextView edNumber2 = null; private EditText edNumber3 = null; private EditText edComment = null;
private Button bnTesten=null; private Button bnAgain=null; private int
zahl1=0; private int
zahl2=0; private int
ergebnis=0;
@Override public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle saveInstanceState ) { View view = inflater.inflate(R.layout.
fragment_add
, container, false); edNumber1 = (TextView) view.findViewById(R.id.
ednumber1
); edNumber2 = (TextView) view.findViewById(R.id.
ednumber2
); edNumber3 = (EditText) view.findViewById(R.id.
ednumber3
); edComment = (EditText) view.findViewById(R.id.
edcomment
);
edNumber1.setText("12");
bnTesten = (Button) view.findViewById(R.id.
bntesten
); bnAgain = (Button) view.findViewById(R.id.
bnagain
); bnTesten.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { bnTest_click(); } } ); bnAgain.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { bnAgain_click(); } } );
setRandomNumbers(); return view; } // onCreate
private void setRandomNumbers() { Random rand = new Random(); this.zahl1 = rand.nextInt(500)+1; this.zahl2 = rand.nextInt(500)+1; this.ergebnis = this.zahl1+this.zahl2; this.edNumber1.setText(Integer.toString(this.zahl1)); this.edNumber2.setText(Integer.toString(this.zahl2)); this.edNumber3.setText(""); this.edComment.setText(""); Log.e("Zahl1",Integer.toString(this.zahl1)); Log.e("Zahl2",Integer.toString(this.zahl2)); }
// Rückgabe a) Eingabe okay b) eingegebene Zahl
private Object[] getIntNumber(EditText edText) { Object[] objects = new Object[2]; try { String s = edText.getText().toString(); int zahl = Integer.parseInt(s); objects[0] = true; objects[1] = zahl; } catch (NumberFormatException e) { objects[0] = false; objects[1] = -1; } return objects; }
private void bnTest_click(){ Object[] values; values = getIntNumber(edNumber3); if (! ((Boolean)values[0]) ) { edComment.setText(getString(R.string.
wrongnumberformat
)); return; } int ergebnis = ((Integer)values[1]).intValue(); if (ergebnis==this.ergebnis) { edComment.setText(getString(R.string.
correctnumber
)); } else { edComment.setText(getString(R.string.
wrongnumber
)); } } // bnTest_click
private void bnAgain_click() { setRandomNumbers(); }
}
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