Android项目源码.docVIP

项目一：activity之间的传递 public class Activity01 extends Activity { /** Called when the activity is first created. */ Button myButton = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); myButton = (Button)findViewById(R.id.myButton); myButton.setOnClickListener(new MyButtonListener()); } class MyButtonListener implements OnClickListener{ @Override public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(); intent.putExtra(test, today is wongsdeasdf); intent.setClass(Activity01.this, OthereActivity.class); Activity01.this.startActivity(intent); } } } 第二个ACTIVITY public class OthereActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); TextView myTextView = (TextView)this.findViewById(R.id.myTextView); Intent intent = this.getIntent(); String value = intent.getStringExtra(test); System.out.println(value); myTextView.setText(value); } } 项目二：关于文件下载 public class DownloadActivity extends Activity { private Button downloadTextButton; private Button downloadMp3Button; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); downloadTextButton = (Button)findViewById(R.id.lrc); downloadTextButton.setOnClickListener(new DownloadTxtListener()); downloadMp3Button = (Button)findViewById(R.id.MP3); downloadMp3Button.setOnClickListener(new DownloadMp3Listener()); } class DownloadTxtListener implements android.view.View.OnClickListener{ @Override public void onClick(View v) { HttpDownloader httpDownloader = new HttpDownloader(