Android Open Source - 2014-Droid-code Simple No B G Thread

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.androidbook.simpleasync;
/*from  w  ww  .j a va  2 s  .  c o  m*/
/*
 * This class is the an example I coded, it does not use a separate thread
 * I expect it to cause an ANR
 * 
 */
import android.app.Activity;
import android.os.Bundle;
import android.os.SystemClock;
import android.widget.TextView;

public class SimpleNoBGThread extends Activity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.count);
    TextView tv = (TextView) findViewById(R.id.counter);
    // Start counting on the main UI thread

    int i = 0;
    tv.setText(Integer.toString(i) + "% Complete!");
    while (i < 100) {
      // pause 1000 milliseconds
      SystemClock.sleep(500);
      i++;

      if (i % 5 == 0) 
        // update UI with progress every 5%

        tv.setText(Integer.toString(i) + "% Complete!");
      }
    tv.setText("Count Complete! Counted to " + Integer.toString(i));
  }
}  // class SimpleNoBGThread

Java Source Code List

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