Witam.
Zaczełem pisać prosty kalkulator w Android Studio. Niestety aplikacja zostaje zatrzymana przed uruchomieniem. Próbowałem usunąć kawałek kodu, ale nic to nie dało. Oto kod Main Activity:
package com.example.micha.calc;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;
public class MainActivity extends ActionBarActivity {
String tekst;
TextView pole = (TextView)findViewById(R.id.textView);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
public void push0(View view) {
tekst = pole.getText().toString();
pole.setText(tekst + "0");
}
public void push1(View view) {
tekst = pole.getText().toString();
pole.setText(tekst + "1");
}
public void push2(View view) {
tekst = pole.getText().toString();
pole.setText(tekst+"2");
}
public void push3(View view) {
tekst = pole.getText().toString();
pole.setText(tekst+"3");
}
public void push4(View view) {
tekst = pole.getText().toString();
pole.setText(tekst+"4");
}
public void push5(View view) {
tekst = pole.getText().toString();
pole.setText(tekst+"5");
}
public void push6(View view) {
tekst = pole.getText().toString();
pole.setText(tekst+"6");
}
public void push7(View view) {
tekst = pole.getText().toString();
pole.setText(tekst+"7");
}
public void push8(View view) {
tekst = pole.getText().toString();
pole.setText(tekst+"8");
}
public void push9(View view) {
tekst = pole.getText().toString();
pole.setText(tekst+"9");
}
/*public void push1(View view) {
TextView pole = (TextView)findViewById(R.id.textView);
tekst = pole.getText().toString();
pole.setText(tekst+"1");
}
public void push1(View view) {
TextView pole = (TextView)findViewById(R.id.textView);
tekst = pole.getText().toString();
pole.setText(tekst+"1");
}*/
}
Może ktoś doświadczony dostrzeże błąd.