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私は画像ビューを含むアクティビティを持っています。 そのイメージをクリックすると、htmlコンテンツとボタンからなるダイアログフラグメントが表示されます。 そのボタンをクリックすると、このダイアログの断片を閉じたいと思います。 関数dismiss（）を使用しようとしましたが、役に立たず、ダイアログのフラグメントが閉じず、実際に更新され、ボタンに3〜4回タッチした後に閉じられることがあります。ここでAndroid - ダイアログフラグメントの解除
は、活動のための私のコードです：
public class MainActivity extends FragmentActivity implements OnMapReadyCallback,GeneralCallback {
private static final int REQUEST_ID_MULTIPLE_PERMISSIONS = 1;
private Polyline line;
private GoogleMap googleMap;
private Controller controller;
private JSONObject UserDetails;
private JSONArray routePath;
private JSONArray stopPoints;
private List<LatLng> pointsRoutePath;
private List<LatLng> pointsStopPoints;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
controller=new Controller(this);
requireLocationPermissions();
initializeGoogleMap();
configureImage();
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
switch (requestCode) {
case REQUEST_ID_MULTIPLE_PERMISSIONS: {
Map<String, Integer> perms = new HashMap<String, Integer>();
// Initialize the map with both permissions
perms.put(android.Manifest.permission.ACCESS_COARSE_LOCATION, PackageManager.PERMISSION_GRANTED);
perms.put(android.Manifest.permission.ACCESS_FINE_LOCATION, PackageManager.PERMISSION_GRANTED);
// Fill with actual results from user
if (grantResults.length > 0) {
for (int i = 0; i < permissions.length; i++)
perms.put(permissions[i], grantResults[i]);
}
}
}
}
@Override
public void onMapReady(GoogleMap googleMap) {
setZoomedLocation(googleMap);
controller.getUserDetails();
this.googleMap=googleMap;
}
//This function is used to require location permissions from the user during run time.
private void requireLocationPermissions(){
RequestPermissions requestPermissions = new RequestPermissions(this, this);
requestPermissions.checkAndRequestPermissions();
}
//This function is used to initialize Google Map Fragment
private void initializeGoogleMap(){
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
}
@Override
public void VolleyResponse(JSONObject response, String data) {
if (data.equals("getUserDetails")) {
try {
if(response!=null){
Log.i("onResponse","Callback");
UserDetails=response.getJSONObject("InnerData").getJSONObject("user");
routePath=getRoutePath();
stopPoints=getStopPoints();
decodePoly();
drawPath();
putStopMarkers();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
else if(data.equals("AboutUs")){
Log.i("onResponse","Callback");
AboutUs aboutUs = (AboutUs) getSupportFragmentManager().findFragmentByTag("AboutUs");
if(aboutUs!=null && response!=null)
aboutUs.initializeContent(response);
}
}
@Nullable
private JSONArray getRoutePath(){
try {
if(UserDetails!=null)
return UserDetails.getJSONObject("bus").getJSONObject("route").getJSONArray("routePath");
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
@Nullable
private JSONArray getStopPoints(){
try {
if(UserDetails!=null)
return UserDetails.getJSONObject("bus").getJSONObject("route").getJSONArray("stop_points");
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
private void drawPath() {
if (line != null) {
googleMap.clear();
}
for (int z = 0; z < pointsRoutePath.size() - 1; z++) {
LatLng src = pointsRoutePath.get(z);
LatLng dest = pointsRoutePath.get(z + 1);
line = googleMap.addPolyline(new PolylineOptions()
.add(new LatLng(src.latitude, src.longitude),
new LatLng(dest.latitude, dest.longitude))
.width(60).color(Color.rgb(47,191,220)).geodesic(true));
}
}
private void putStopMarkers(){
for(int i=0;i<pointsStopPoints.size();i++){
LatLng point=new LatLng(pointsStopPoints.get(i).latitude,pointsStopPoints.get(i).longitude);
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.stop_marker);
bitmap=Bitmap.createScaledBitmap(bitmap,bitmap.getWidth()/10,bitmap.getHeight()/10,false);
googleMap.addMarker(new MarkerOptions().position(point).icon(BitmapDescriptorFactory.fromBitmap(bitmap)));
}
}
private void decodePoly(){
pointsRoutePath = new ArrayList<>();
pointsStopPoints = new ArrayList<>();
for (int i=0;i<routePath.length();i++){
try {
LatLng point=new LatLng(routePath.getJSONObject(i).getDouble("lat"),routePath.getJSONObject(i).getDouble("lng"));
pointsRoutePath.add(point);
} catch (JSONException e) {
e.printStackTrace();
}
}
for (int i=0;i<stopPoints.length();i++){
try {
LatLng point=new LatLng(stopPoints.getJSONObject(i).getDouble("lat"),stopPoints.getJSONObject(i).getDouble("lng"));
pointsStopPoints.add(point);
} catch (JSONException e) {
e.printStackTrace();
}
}
}
private void setZoomedLocation(GoogleMap googleMap){
LocListener locationListener=new LocListener(this);
//checks if location permission is granted
if(locationListener.canGetLocation()){
googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(locationListener.getLatitude(), locationListener.getLongitude()), 14.0f));
}
LatLng point=new LatLng(locationListener.getLatitude(),locationListener.getLongitude());
Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.marker_hi);
bitmap=Bitmap.createScaledBitmap(bitmap,bitmap.getWidth()/10,bitmap.getHeight()/10,false);
googleMap.addMarker(new MarkerOptions().position(point).icon(BitmapDescriptorFactory.fromBitmap(bitmap)));
}
private void configureImage(){
ImageView aboutUs=findViewById(R.id.AboutUs);
aboutUs.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
AboutUs aboutUsFragment = new AboutUs();
// Show DialogFragment
aboutUsFragment.show(getSupportFragmentManager(), "AboutUs");
controller.aboutUS();
return true;
}
});
}
}
、ここでは、ダイアログのフラグメントのための私のコードです：
public class AboutUs extends DialogFragment{
Controller controller;
private View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
view = inflater.inflate(R.layout.about_us, container, false);
controller = new Controller(getActivity());
configureBackButton();
return view;
}
private void configureBackButton(){
Button backButton=view.findViewById(R.id.backButton);
backButton.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
Log.i("onTouch","onTouch");
getDialog().dismiss();
return true;
}
});
}
public void initializeContent(JSONObject response){
try {
String content=response.getJSONArray("InnerData").getJSONObject(0).getString("content");
WebView webView = view.findViewById(R.id.html);
webView.loadDataWithBaseURL(null, content, "text/html", "utf-8", null);
} catch (JSONException e) {
e.printStackTrace();
}
}
@Override
public void onResume() {
super.onResume();
controller.aboutUS();
}
@Override
public void onDismiss(DialogInterface frag) {
dismissAllowingStateLoss();
// DO Something
}
}
ここabout_us.xml
です<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/RelativeLayout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_marginLeft="0dp"
android:layout_marginTop="250dp">
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<WebView
android:id="@+id/html"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
/>
</ScrollView>
<Button
android:id="@+id/backButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="25dp"
android:background="@drawable/button_style"
android:gravity="top|bottom|center"
android:padding="10dp"
android:text="Dismiss"
android:textColor="#ffffff"
android:paddingBottom="20dp"/>
</RelativeLayout>
ログを共有することもできます – GeekWithGlasses
「about_us.xml」コードも入れてください。 –