我的滚动视图正常工作，但是经过一段时间的编码后，它不再起作用了，现在我不得不用两根手指滚动。
准确地说，我必须将手指放在屏幕上（不动），并用另一根手指滚动。
我不知道该怎么办。
这是XML文件：
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#fff"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context=".MainActivity"
tools:showIn="@layout/app_bar_main">
<ScrollView
android:id="@+id/scrollView2"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:visibility="visible">
<LinearLayout
android:id="@+id/linearParent"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:scrollbars="none">
<TextView
android:id="@+id/Date"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="01.01.2018"
android:textColor="@android:color/black"
android:textSize="18sp"
android:textStyle="bold"
app:fontFamily="sans-serif" />
<TextView
android:id="@+id/Day"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="Marti"
android:textColor="@android:color/black"
android:textSize="40sp"
android:textStyle="bold"
android:visibility="visible"
tools:layout_editor_absoluteX="142dp"
tools:layout_editor_absoluteY="193dp" />
<LinearLayout
android:id="@+id/InfoBox"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dp"
android:orientation="vertical">
</LinearLayout>
</LinearLayout>
</ScrollView>
</android.support.constraint.ConstraintLayout>
编辑：
这是Java文件
package com.maze_team.g3ru1a.poianamicului;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.graphics.Typeface;
import android.net.ConnectivityManager;
import android.net.Uri;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.View;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.CalendarView;
import android.widget.HorizontalScrollView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonArrayRequest;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;
import com.maze_team.g3ru1a.poianamicului.alerts.AlertsActivity;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.w3c.dom.Text;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
public class MainActivity extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//Check Internet
if(!isInternetAvailable()) Toast.makeText(getApplicationContext(), "No Internet Available", Toast.LENGTH_LONG).show();
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
TextView dateField = (TextView) findViewById(R.id.Date);
TextView dayField = (TextView) findViewById(R.id.Day);
DateFormat dateFormat = android.text.format.DateFormat.getDateFormat(getApplicationContext());
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
setDayAndDate();
getInfo((String) (new android.text.format.DateFormat()).format("yyyy-MM-dd", Calendar.getInstance().getTime()));
}
public void setDayAndDate(){
TextView dateField = (TextView) findViewById(R.id.Date);
TextView dayField = (TextView) findViewById(R.id.Day);
DateFormat dateFormat = android.text.format.DateFormat.getDateFormat(getApplicationContext());
Calendar calendar = Calendar.getInstance();
Date todayDate = calendar.getTime();
int day = calendar.get(Calendar.DAY_OF_WEEK);
android.text.format.DateFormat df = new android.text.format.DateFormat();
String dayString = (String) df.format("yyyy-MM-dd", todayDate);
dateField.setText(dateFormat.format(todayDate));
switch (day){
case Calendar.MONDAY:
dayField.setText(getString(R.string.day_monday));
break;
case Calendar.TUESDAY:
dayField.setText(getString(R.string.day_tuesday));
break;
case Calendar.WEDNESDAY:
dayField.setText(getString(R.string.day_wednesday));
break;
case Calendar.THURSDAY:
dayField.setText(getString(R.string.day_thursday));
break;
case Calendar.FRIDAY:
dayField.setText(getString(R.string.day_friday));
break;
case Calendar.SATURDAY:
dayField.setText(getString(R.string.day_saturday));
break;
case Calendar.SUNDAY:
dayField.setText(getString(R.string.day_sunday));
break;
}
}
public String getDayOfWeekReadable(int day){
switch (day){
case Calendar.MONDAY:
return getString(R.string.day_monday);
case Calendar.TUESDAY:
return getString(R.string.day_tuesday);
case Calendar.WEDNESDAY:
return getString(R.string.day_wednesday);
case Calendar.THURSDAY:
return getString(R.string.day_thursday);
case Calendar.FRIDAY:
return getString(R.string.day_friday);
case Calendar.SATURDAY:
return getString(R.string.day_saturday);
case Calendar.SUNDAY:
return getString(R.string.day_sunday);
}
return "";
}
public boolean isInternetAvailable() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
return cm.getActiveNetworkInfo() != null;
}
public void getInfo(String day){
TextView dateField = (TextView) findViewById(R.id.Date);
final TextView dayField = (TextView) findViewById(R.id.Day);
final LinearLayout infoBox = (LinearLayout) findViewById(R.id.InfoBox);
final LinearLayout parentBox = (LinearLayout) findViewById(R.id.linearParent);
infoBox.removeAllViews();
String url = "http://dev.maze-team.com/pmmap/calendar/getinfo/" + day;
// Instantiate the RequestQueue.
RequestQueue queue = Volley.newRequestQueue(this);
JsonArrayRequest jsonObjectRequest = new JsonArrayRequest
(Request.Method.GET, url, null, new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
try{
infoBox.removeAllViews();
for(int i=0; i<response.length();i++){
TextView space = new TextView(getApplicationContext());
space.setText("");
space.setTextSize(20);
infoBox.addView(space);
JSONObject dateInfo = response.getJSONObject(i);
String colorString = dateInfo.getString("color");
TextView hours = new TextView(getApplicationContext());
hours.setGravity(Gravity.CENTER);
hours.setTextSize(26);
hours.setTextColor(Color.parseColor(colorString));
hours.setText(dateInfo.getString("hour"));
TextView title = new TextView(getApplicationContext());
title.setGravity(Gravity.CENTER);
title.setTextSize(30);
title.setTextColor(Color.parseColor(colorString));
title.setTypeface(null, Typeface.BOLD);
title.setText(dateInfo.getString("title"));
TextView details = new TextView(getApplicationContext());
details.setGravity(Gravity.CENTER);
details.setTextSize(22);
details.setTextColor(Color.parseColor(colorString));
details.setText(dateInfo.getString("details"));
TextView language = new TextView(getApplicationContext());
language.setGravity(Gravity.CENTER);
String lang = dateInfo.getString("lang");
if(lang.equals("[RO]")) language.setTextColor(Color.RED);
else language.setTextColor(Color.BLUE);
language.setText(lang);
LinearLayout info = new LinearLayout(getApplicationContext());
info.setOrientation(LinearLayout.VERTICAL);
info.setBackground(getApplicationContext().getResources().getDrawable(R.drawable.bordered));
info.addView(hours);
info.addView(title);
info.addView(details);
info.addView(language);
infoBox.addView(info);
//Proccess Info
}
}catch(final JSONException e){
runOnUiThread(new Runnable() {
@Override
public void run() {
// Toast.makeText(getApplicationContext(),
// "Json parsing error: " + e.getMessage(),
// Toast.LENGTH_LONG).show();
}
});
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// Toast.makeText(getApplicationContext(),
// "Errror"+error,
// Toast.LENGTH_LONG).show();
}
});
queue.add(jsonObjectRequest);
}
public void getWeekInfo(String day){
TextView dateField = (TextView) findViewById(R.id.Date);
final TextView dayField = (TextView) findViewById(R.id.Day);
final LinearLayout infoBox = (LinearLayout) findViewById(R.id.InfoBox);
String url = "http://dev.maze-team.com/pmmap/calendar/getweekinfo/" + day;
// Instantiate the RequestQueue.
RequestQueue queue = Volley.newRequestQueue(this);
JsonArrayRequest jsonObjectRequest = new JsonArrayRequest
(Request.Method.GET, url, null, new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
try{
infoBox.removeAllViews();
for(int i=0; i<response.length();i++){
JSONArray respDay = response.getJSONArray(i);
TextView space = new TextView(getApplicationContext());
space.setText("");
space.setTextSize(10);
infoBox.addView(space);
TextView dayView = new TextView(getApplicationContext());
dayView.setGravity(Gravity.CENTER);
dayView.setTextSize(20);
if(i != response.length()-1) dayView.setText(getDayOfWeekReadable(i+2));
else dayView.setText(getDayOfWeekReadable(1));
LinearLayout info = new LinearLayout(getApplicationContext());
info.setPadding(10,10,10,10);
info.setOrientation(LinearLayout.VERTICAL);
info.setBackground(getApplicationContext().getResources().getDrawable(R.drawable.bordered));
info.setMinimumHeight(400);
info.addView(dayView);
if(respDay.length() != 0){
for(int j=0; j < respDay.length(); j++){
JSONObject respInfo = respDay.getJSONObject(j);
TextView inf = new TextView(getApplicationContext());
inf.setGravity(Gravity.CENTER);
inf.setTextColor(Color.parseColor(respInfo.getString("color")));
inf.setText(respInfo.getString("hour")+" | "+respInfo.getString("title")+ " | " +respInfo.getString("lang"));
info.addView(inf);
//Design HERE
}
}
infoBox.addView(info);
}
TextView space = new TextView(getApplicationContext());
space.setText("");
space.setTextSize(20);
infoBox.addView(space);
}catch(final JSONException e){
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(getApplicationContext(),
"Json parsing error: " + e.getMessage(),
Toast.LENGTH_LONG).show();
}
});
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(getApplicationContext(),
"Errror"+error,
Toast.LENGTH_LONG).show();
}
});
queue.add(jsonObjectRequest);
}
public void getMonthInfo(String day){
TextView dateField = (TextView) findViewById(R.id.Date);
final TextView dayField = (TextView) findViewById(R.id.Day);
final LinearLayout infoBox = (LinearLayout) findViewById(R.id.InfoBox);
infoBox.removeAllViews();
CalendarView cv = new CalendarView(getApplicationContext());
cv.setBackgroundColor(Color.WHITE);
infoBox.addView(cv);
TextView space = new TextView(getApplicationContext());
space.setText("");
space.setTextSize(20);
infoBox.addView(space);
final LinearLayout infoParent = new LinearLayout(getApplicationContext());
infoParent.setOrientation(LinearLayout.VERTICAL);
infoBox.addView(infoParent);
cv.setOnDateChangeListener( new CalendarView.OnDateChangeListener() {
public void onSelectedDayChange(CalendarView view, int year, int month, int dayOfMonth) {
//Toast.makeText(getApplicationContext(), year + "-"+(month+1)+"-"+dayOfMonth, Toast.LENGTH_LONG).show();
String url = "http://dev.maze-team.com/pmmap/calendar/getinfo/" + year + "-"+(month+1)+"-"+dayOfMonth;
// Instantiate the RequestQueue.
RequestQueue queue = Volley.newRequestQueue(getApplicationContext());
JsonArrayRequest jsonObjectRequest = new JsonArrayRequest
(Request.Method.GET, url, null, new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
try{
infoParent.removeAllViews();
for(int i=0; i<response.length();i++){
JSONObject dateInfo = response.getJSONObject(i);
String colorString = dateInfo.getString("color");
TextView hours = new TextView(getApplicationContext());
hours.setGravity(Gravity.CENTER);
hours.setTextSize(18);
hours.setTextColor(Color.parseColor(colorString));
hours.setText(dateInfo.getString("hour"));
TextView title = new TextView(getApplicationContext());
title.setGravity(Gravity.CENTER);
title.setTextSize(18);
title.setTextColor(Color.parseColor(colorString));
title.setTypeface(null, Typeface.BOLD);
title.setText(dateInfo.getString("title"));
TextView details = new TextView(getApplicationContext());
details.setGravity(Gravity.CENTER);
details.setTextSize(16);
details.setTextColor(Color.parseColor(colorString));
details.setText(dateInfo.getString("details"));
TextView language = new TextView(getApplicationContext());
language.setGravity(Gravity.CENTER);
String lang = dateInfo.getString("lang");
if(lang.equals("[RO]")) language.setTextColor(Color.RED);
else language.setTextColor(Color.BLUE);
language.setText(lang);
LinearLayout info = new LinearLayout(getApplicationContext());
info.setOrientation(LinearLayout.VERTICAL);
info.setBackground(getApplicationContext().getResources().getDrawable(R.drawable.bordered));
info.addView(hours);
info.addView(title);
info.addView(details);
info.addView(language);
infoParent.addView(info);
TextView space = new TextView(getApplicationContext());
space.setText("");
space.setTextSize(20);
infoParent.addView(space);
//Proccess Info
}
}catch(final JSONException e){
runOnUiThread(new Runnable() {
@Override
public void run() {
infoParent.removeAllViews();
// Toast.makeText(getApplicationContext(),
// "Json parsing error: " + e.getMessage(),
// Toast.LENGTH_LONG).show();
}
});
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
infoParent.removeAllViews();
// Toast.makeText(getApplicationContext(),
// "Errror"+error,
// Toast.LENGTH_LONG).show();
}
});
queue.add(jsonObjectRequest);
}
});
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
Calendar calendar = Calendar.getInstance();
Date todayDate = calendar.getTime();
android.text.format.DateFormat df = new android.text.format.DateFormat();
String todayStr = (String) df.format("yyyy-MM-dd", todayDate);
// Handle item selection
switch (item.getItemId()) {
case R.id.todayButton:
getInfo(todayStr);
return true;
case R.id.weekButton:
getWeekInfo(todayStr);
return true;
case R.id.monthButton:
getMonthInfo(todayStr);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.nav_calendar) {
// Go to big calendar
} else if (id == R.id.nav_alerte) {
Intent alertsIntent = new Intent(this, AlertsActivity.class);
startActivity(alertsIntent);
} else if (id == R.id.nav_contact) {
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://poianamicului.ro/kontaktu.htm"));
startActivity(browserIntent);
} else if (id == R.id.nav_noutati) {
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://poianamicului.ro/"));
startActivity(browserIntent);
} else if (id == R.id.nav_livefeed) {
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://media.ercis.ro/poianamicului.html"));
startActivity(browserIntent);
} else if (id == R.id.nav_cazare) {
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://poianamicului.ro/casapelerinului/casapelerinului.htm"));
startActivity(browserIntent);
} else if (id == R.id.nav_cantece) {
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://cant.bukur.ro/"));
startActivity(browserIntent);
} else if (id == R.id.nav_facebook) {
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://www.facebook.com/parohia.poianamicului/"));
startActivity(browserIntent);
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
}
编辑2：
它甚至更奇怪，我改为放置了一个webview，并且我必须做同样的事情才能在上面滚动。
该死的。
答案 0 :(得分：0)
听起来像在设备上启用了对讲功能。
答案 1 :(得分：0)
尝试注释Java代码，然后在设备上运行该应用程序。通过这种方式，我的意思是说您的xml代码很好，但是您的java代码却在造成问题。因此，创建一个新项目并在其中粘贴相同的xml代码，并检查滚动是否可行。