Witam,
Mam problem ze start activityforresults. Program wywala się po kliknięciu buttona z Main_Activity.
Oto kod main activity:
package com.example.mariusz.quiz2;
import android.content.Intent;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Gravity;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Button b1;
String[] pytania = {getString(R.string.question1),getString(R.string.question2) ,getString(R.string.question3)};
int zakres=pytania.length-1;
int szczesliwynumerek=(int)Math.round(Math.random() * zakres);
setContentView(R.layout.activity_main);
TextView textView_1 = new TextView(MainActivity.this);
textView_1.setGravity(Gravity.CENTER);
textView_1.setTextSize(25);
textView_1.setText(pytania[szczesliwynumerek]);
LinearLayout activity_main = (LinearLayout)findViewById(R.id.layout);
activity_main.addView(textView_1);
b1 = (Button) findViewById(R.id.answer1);
b1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent=new Intent(MainActivity.this,Answer.class);
startActivityForResult(intent, 2);
}
});
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data)
{
super.onActivityResult(requestCode, resultCode, data);
if(requestCode==2)
{
String message=data.getStringExtra("MESSAGE");
TextView textView_2 = new TextView(MainActivity.this);
textView_2.setGravity(Gravity.CENTER);
textView_2.setTextSize(40);
textView_2.setText(message);
LinearLayout activity_main = (LinearLayout)findViewById(R.id.layout);
activity_main.addView(textView_2);
}
}
}
A oto kod drugiej aktywności:
package com.example.mariusz.quiz2;
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
/**
* Created by Mariusz on 2016-04-06.
*/
public class Answer extends Activity {
EditText editText1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.answer);
Button button1;
editText1 = (EditText) findViewById(R.id.text1);
button1=(Button)findViewById(R.id.buttona1);
button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String message=editText1.getText().toString();
Intent intent=new Intent();
intent.putExtra("MESSAGE",message);
setResult(2,intent);
finish();
}
});
}
}