AsyncTask を使った非同期処理の雑なサンプル
package hoge.android; import java.io.*; import java.net.*; import android.app.Activity; import android.app.AlertDialog; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.view.View; import android.view.View.OnClickListener; import android.widget.ImageView; import android.widget.Button; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.TextView; import java.util.logging.Level; import java.util.logging.Logger; public class MainActivity extends Activity { public TextView textView; public EditText edtInch; public Button btn; public TextView txtResult; public String data; public getHtml task; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); LinearLayout layout = new LinearLayout(this); layout.setOrientation(LinearLayout.VERTICAL); setContentView(layout); textView = new TextView(this); task = new getHtml(textView, layout); task.execute(); } class getHtml extends AsyncTask<String, Integer, String> { private TextView textView; private LinearLayout layout; public getHtml(TextView textView, LinearLayout layout){ super(); this.layout = layout; this.textView = textView; } @Override protected String doInBackground(String... params) { return "good bye."; } @Override protected void onPostExecute(String result) { textView.setText(result); layout.addView(textView); } } }