TestAsyncTaskDriverActivity.java

package com.pinecone.technology.mcommerce.learning.android.chapter06.asyncTask;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.TextView;
import android.widget.Toast;

import com.pinecone.technology.mcommerce.learning.android.chapter06.R;

public class TestAsyncTaskDriverActivity extends Activity implements
		IReportBack {
	public static final String tag = "AsyncTaskDriverActivity";

	public TestAsyncTaskDriverActivity() {
		// super(tag);
	}

	private AsyncTester asyncTester = null;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.c06_async_task_test02);
		asyncTester = new AsyncTester(this, this);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		super.onCreateOptionsMenu(menu);
		MenuInflater inflater = getMenuInflater();
		inflater.inflate(R.menu.c06_menu_async_task, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		appendMenuItemText(item);
		if (item.getItemId() == R.id.menu_clear) {
			this.emptyText();
			return true;
		}
		if (item.getItemId() == R.id.menu_test_async1) {
			asyncTester.test1();
			return true;
		}
		if (item.getItemId() == R.id.menu_test_async2) {
			asyncTester.test2();
			return true;
		}
		return true;
	}

	private TextView getTextView() {
		return (TextView) this.findViewById(R.id.text1);
	}

	private void appendMenuItemText(MenuItem menuItem) {
		String title = menuItem.getTitle().toString();
		TextView tv = getTextView();
		tv.setText(tv.getText() + "\n" + title);
	}

	private void emptyText() {
		TextView tv = getTextView();
		tv.setText("");
	}

	private void appendText(String s) {
		TextView tv = getTextView();
		tv.setText(tv.getText() + "\n" + s);
		Log.d(tag, s);
	}

	public void reportBack(String tag, String message) {
		this.appendText(tag + ":" + message);
		Log.d(tag, message);
	}

	public void reportTransient(String tag, String message) {
		String s = tag + ":" + message;
		Toast mToast = Toast.makeText(this, s, Toast.LENGTH_SHORT);
		mToast.show();
		reportBack(tag, message);
		Log.d(tag, message);
	}
}