Android应用开发笔记 - 项目代码3

1.3 App类控件
    MainActivity.java
[java]
package com.example.apppalettesdemo;

import andro
id.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.ProgressDialog;
import android.content.DialogInte易做图ce;
import android.content.DialogInte易做图ce.OnClickListener;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.my_options_menu, menu);
        return true;
    }

   @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // TODO Auto-generated method stub
       Boolean flag = false;

        switch (item.getItemId()) {
        case R.id.AlertDialog01:
            Builder dialog = new AlertDialog.Builder(MainActivity.this);
            dialog.setTitle("Hint");
            dialog.setMessage("This is Message!");
            dialog.setPositiveButton("Ok", this);
            dialog.show();

            flag = true;
            break;

        case R.id.notificationManager01:
            NotificationManager notiManager =
                (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

            Notification notiInst = new Notification(
                    R.drawable.ic_launcher, "This is notify 2012-09-12",
                    System.currentTimeMillis());
            PendingIntent pendIntent = PendingIntent.getActivity(
                    this, 0, new Intent(this, MainActivity.class),
                    PendingIntent.FLAG_UPDATE_CURRENT);
            notiInst.setLatestEventInfo(this, "Notify", "Notify 01", pendIntent);

            notiManager.notify(0, notiInst);

            flag = true;
            break;

        case R.id.progressDialog01:
            ProgressDialog progrDialog = new ProgressDialog(this);
            progrDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
            progrDialog.setMessage("Loading Information...");
            progrDialog.show();

            flag = true;
            break;

        default:
            break;
        }

        return flag;
    }

   // DialogInte易做图ce
   @Override
    public void onClick(DialogInte易做图ce dialog, int which) {
        // TODO Auto-generated method stub
        Toast.makeText(this, "You just press 'AlertDialog' button!", Toast.LENGTH_SHORT).show();
    }

}

package com.example.apppalettesdemo;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.ProgressDialog;
import android.content.DialogInte易做图ce;
import android.content.DialogInte易做图ce.OnClickListener;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.a

补充：移动开发 , Android ,