我正在用textview创建两个按钮,如果单击加号按钮,textview应该增加,反之亦然。现在,我进行了一项活动,即在单击列表视图项时将出现一个对话框,并且其中有一些复选框,按钮,微调框等。我尝试将代码添加到警报框和按钮中。但是它不能正常工作,如果我单击加号按钮给出的最后限制是45,则变为46,如果我单击减小按钮,它只会减小一次。
这是我的SubMenu活动:
public class SubMenu extends AppCompatActivity {
JSONObject jsonobject;
JSONArray jsonarray;
ListView listview;
ListViewAdapter adapter;
ProgressDialog mProgressDialog;
ArrayList<HashMap<String, String>> arraylist;
static String RANK = "id";
static String COUNTRY = "name";
static String FLAG = "image";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_sub_menu);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
String SelectedId = getIntent().getStringExtra("id");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
// Get the view from listview_main.xml
// Execute DownloadJSON AsyncTask
new DownloadJSON().execute();
}
// DownloadJSON AsyncTask
private class DownloadJSON extends AsyncTask<Void, Void, Void> implements AdapterView.OnItemClickListener …Run Code Online (Sandbox Code Playgroud) 我正在制作注册表单,其中有名为密码的字段并确认密码。我想在用户输入密码时使它们相等..但我不知道如何通过编码使它们相等..有人可以帮忙吗?这是注册页面:
public class RegistrationForm extends AppCompatActivity {
EditText fn,ln,mb,em,pw,cpw,dob,gen;
Switch sw;
RadioGroup male,feml;
Switch swth;
private ProgressDialog pDialog;
String status="";
public final Pattern EMAIL_ADDRESS_PATTERN = Pattern.compile(
"[a-zA-Z0-9+._%-+]{1,256}" +
"@" +
"[a-zA-Z0-9][a-zA-Z0-9-]{0,64}" +
"(" +
"." +
"[a-zA-Z0-9][a-zA-Z0-9-]{0,25}" +
")+"
);
private static String url_create_book = "http://cloud.....com/broccoli/creatinfo.php";
// JSON Node names
// JSON Node names
private static final String TAG_SUCCESS = "success";
String rval;
JSONParser jsonParser = new JSONParser();
private int serverResponseCode = 0;
Context c;
int i=0;
Button sub;
@Override …Run Code Online (Sandbox Code Playgroud)