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copied!<p>If you do not want to have lots of threads running at once with staggered delays you can do something like the following:</p> <pre><code>public class MainActivity extends Activity { private int viewsAddedCount = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button b = (Button)findViewById(R.id.button1); b.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { v.setEnabled(false); Thread thread = new delayedViewAdditionThread(); thread.start(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } public class delayedViewAdditionThread extends Thread { private android.os.Handler handler = new android.os.Handler() { @Override public void handleMessage(android.os.Message msg) { switch(msg.what) { case 0 : addTextView(); break; case 1 : Button b = (Button)findViewById(R.id.button1); b.setEnabled(true); break; default : break; } } }; @Override public void run() { for(int i = 0; i < 4; i++) { try { Thread.sleep(1000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } handler.sendEmptyMessage(0); } handler.sendEmptyMessage(1); } private void addTextView() { TextView tv = new TextView(MainActivity.this); tv.setText("TextView No. " + String.valueOf(viewsAddedCount + 1)); tv.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT)); LinearLayout ll = (LinearLayout)findViewById(R.id.expandingLayout); ll.addView(tv); viewsAddedCount++; } } } </code></pre>

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