android课程设计.docVIP

android课程设计 主要特点或功能 可以发短信，打电话 能够调用数据库对数据进行保存 有很好的图片背景 有很好的界面切换效果 总体设计 详细设计 首先是登陆页面的设计，其界面效果如下图： 编码实现 public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.list_item); DatabaseHelper dbh = new DatabaseHelper(this,Information); db = dbh.getWritableDatabase(); cursor = db.query(contact, new String[]{name,mobile,uri}, null, null, null, null, null); cursor.moveToFirst(); System.out.println(-------count-------+cursor.getCount()+-------); list = new ArrayListHashMapString,Object(); //启用长按支持，弹出的上下文菜单在 getListView().setOnCreateContextMenuListener(this); while(cursor.moveToNext()) { String n = cursor.getString(cursor.getColumnIndex(name)); String m = cursor.getString(cursor.getColumnIndex(mobile)); String u = cursor.getString(cursor.getColumnIndex(uri)); HashMapString,Object map = new HashMapString,Object(); map.put(name, n); map.put(mobile,m); if(u!=null){ System.out.print(is not null); Uri uri = Uri.parse(u); ContentResolver cr = this.getContentResolver(); try{ Bitmap bitmap = BitmapFactory.decodeStream(cr.openInputStream(uri)); map.put(image, bitmap); }catch(FileNotFoundException e){ e.printStackTrace(); } } else map.put(image, BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher)); list.add(map); } System.out.println(---------------oncreate--------------); System.out.println(-----listnum---+ list.size()+-----); listAdapter = new MySimpleAdapter(this,list,R.layout.data, new String[]{image,name,mobile},new int[]{R.id.image,R.id.name,R.id.mobile}); setListAdapter(listAdapter); addcontact = (Button)findViewById(R.id.addcontact); addcontact.setOnClickListener(new OnClickListener(){ public void onClick(View v){ Intent intent = new Intent(); intent.setClass(Contact