警告对话框

 

public void deleteInfo(final gaojian gj) {

  //
  AlertDialog.Builder builder = new Builder(bendigaoku.this);
  builder.setMessage("确认删除吗？:");

  builder.setTitle("提示");

  builder.setPositiveButton("确认", new OnClickListener() {

   @Override
   public void onClick(DialogInterface dialog, int which) {
    // 删除数据库记录
    shujukufileName = bendigaoku.this.getFilesDir().toString()
      + getString(R.string.shujukumingcheng);
    db = database.open(shujukufileName);
    Boolean bReturn = database.Delete_gaojian(db, gj._datetime);
    //
    if (bReturn == false)// 执行错误
    {
     Toast toast = Toast.makeText(getApplicationContext(),
       publicString.ExceptionString, Toast.LENGTH_LONG);
     toast.setGravity(Gravity.CENTER_HORIZONTAL, 0, 0);
     toast.show();
    } else // 正确 重新读取数据库
    {
     ListView list = (ListView) findViewById(R.id.list_bendigaoku);
     rowPosition = list.getSelectedItemPosition();

     mData = getData(shangchuan_type.Empty);

     MyAdapter adapter = new MyAdapter(bendigaoku.this);
     // 设置显示ListView

     list.setAdapter(adapter);
     list.setSelection(gj.rowPosition);

    }

    //
    dialog.dismiss();
    //

    //

   }
  });

  builder.setNegativeButton("取消", new OnClickListener() {

   @Override
   public void onClick(DialogInterface dialog, int which) {
    dialog.dismiss();
   }
  });

  builder.create().show();

  //