Google Android - это несложно

Код: Выделить всё

public class MainActivity extends Activity {

	 private Button clickBtn;
	 private Button clickBtn2;
	    private ProgressDialog progressDialog;
	 
	    private Handler handler = new Handler() {
	 
	        @Override
	        public void handleMessage(Message msg) {
	            super.handleMessage(msg);
	            progressDialog.dismiss();
	           
	        }
	    };
	@Override
	protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        LinearLayout ll = new LinearLayout(this);
        ll.setOrientation(LinearLayout.VERTICAL);
 
        clickBtn = new Button(this);
        clickBtn2=new Button(this);
        ll.addView(clickBtn);
        ll.addView(clickBtn2);
        
        clickBtn.setText("Click me");
        
        clickBtn.setOnClickListener(new OnClickListener() {
 
            @Override
            public void onClick(View v) {
                processThread();
            }
        });
 
        setContentView(ll);
       
    
	 clickBtn2.setOnClickListener(new OnClickListener() {
		 
         @Override
         public void onClick(View v) {
       runLongProcess();
         }
     });

    
 }
	 private void processThread() {
	        progressDialog = ProgressDialog.show(MainActivity.this, "Wait", "Running loooong process...");
	 
	        new Thread() {
	            public void run() {
	                runLongProcess();
	                handler.sendEmptyMessage(2);
	               
	            }
	        }.start();
	    }
	 private void runLongProcess() {
		 
	     try {
	            Thread.sleep(5*1000);
	            Log.e("MainActivity", "LongProcess");
	            clickBtn2.setText("Click me");
	        } catch (InterruptedException e) {
	            Log.e("MainActivity", e.getMessage());
	        }
	    }

Код: Выделить всё

package consulting.brick.wkbapka.p0801_handler;

import android.app.Activity;
import android.util.Log;
import android.os.Bundle;
import android.os.Handler;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Button;
import android.widget.TextView;
import android.view.View;


import java.util.concurrent.TimeUnit;

public class MainActivity extends Activity {
    final String LOG_TAG = "myLog";
    Handler h;
    TextView tvInfo;
    Button btnStart;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        tvInfo = (TextView) findViewById(R.id.tvInfo);

    }

    public void onСlick(View v) {
        switch (v.getId()) {
            case R.id.btnStart:
                Thread t = new Thread(new Runnable() {

                    public void run() {
                        for (int i = 1; i <= 10; i++) {
                            downloadFile();
                            tvInfo.setText("Закачано файлов " + i);
                            Log.d(LOG_TAG, "Закачано файлов " + i);
                        }
                    }
                });

                break;

            case R.id.btnTest:
                Log.d(LOG_TAG,"test");
                break;
            default:
                break;
        }

    }

    void downloadFile() {
        try {
            TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException e) {
            e.printStackTrace();

        }


    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

все, вопрос снят, забыл запустить поток