package com.androidornekler.ornek15;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class Main extends Activity {
Button asyncTaskButton;
String piValue;
TextView hesaplananTextView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
hesaplananTextView = (TextView) findViewById(R.id.hesaplananDegerText);
asyncTaskButton = (Button) findViewById(R.id.asnycTaskTest);
asyncTaskButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
new IslemTask().execute();
}
});
}
private class IslemTask extends AsyncTask<String, Void, Void>{
ProgressDialog progressDialog;
protected void onPreExecute() {
progressDialog = ProgressDialog.show(Main.this, "Hesaplanıyor..", "Pi sayısı hesaplanıyor");
}
@Override
protected Void doInBackground(String... params) {
piValue = Pi.computePi(800).toString();
return null;
}
@Override
protected void onPostExecute(Void result) {
Main.this.hesaplananTextView.setText(piValue);
progressDialog.dismiss();
}
}
}