The codes are like this, but when I turn off the internet while the application is open, the alert dialog is not displayed.
I want an alert dialog when navigating the app when not connected to the internet or not connected to the internet. I just checked the app, but the warning dialog is not displayed when I turn off the internet while the app is open.
I assigned a boolean value to isConnect, but I need to check it instantly. It will be checked while the application is being planned, but I want the internet as a meeting with me..
how can I do that??
thanks..
public boolean isConnected() {
connected = false;
try {
ConnectivityManager cm = (ConnectivityManager)getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo nInfo = cm.getActiveNetworkInfo();
connected = nInfo != null && nInfo.isAvailable() && nInfo.isConnected();
return connected;
} catch (Exception e) {
Log.e("Connectivity Exception", e.getMessage());
}
return connected;
}
public void networkController() {
ConnectivityManager cm = (ConnectivityManager)getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo nInfo = cm.getActiveNetworkInfo();
connected = nInfo != null && nInfo.isAvailable() && nInfo.isConnectedOrConnecting();
// Check for Internet Connection
if (isConnected()) {
} else {
AlertDialog.Builder builder = new AlertDialog.Builder(Webview.this);
builder.setTitle("Hata");
builder.setMessage("İnternet Bağlantınızı Kontrol Edin");
builder.setPositiveButton("Tekrar Dene", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Intent intent = new Intent(Webview.this,Webview.class);
startActivity(intent);
}
});
builder.setNegativeButton("Çıkış", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
finish();
}
});
builder.show();
}
} ```
CodePudding user response：
You can make a No internet layout and use the window manager to call that layout as a dialog box.
ConnectivityManager connectivityManager = (ConnectivityManager)
getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
if(networkInfo == null || !networkInfo.isConnected() || !networkInfo.isAvailable()){
Dialog dialog = new Dialog(MainActivity.this);
dialog.setContentView((R.layout.no_internet_dialog_id));
dialog.setCanceledOnTouchOutside(false);
dialog.getWindow().setLayout(WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.WRAP_CONTENT);
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
dialog.getWindow().getAttributes().windowAnimations =
android.R.style.Animation_Dialog;
Button btnretry = dialog.findViewById(R.id.retry_button_id);
btnretry.setOnClickListener(v -> recreate());
dialog.show();
webview.setVisibility(View.GONE);
}
CodePudding user response：
in oncreate method
if(!isNetworkAvailable())
{
ShowAlertDialogDone("Poor or no internet connection")
}
check internet connectivity
public boolean isNetworkAvailable() {
ConnectivityManager connectivityManager
= (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected();
}
Alert dialog function
private void ShowAlertDialogDone(String stMessage) {
Dialog dialog = new Dialog(getContext());
dialog.setCancelable(true);
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
View view = getLayoutInflater().inflate(R.layout.alert_dialog, null);
dialog.setContentView(view);
TextView Message,btnAllow;
Message=(TextView)view.findViewById(R.id.tvMessage);
btnAllow=(TextView)view.findViewById(R.id.btnAllow);
Message.setText(stMessage);
btnAllow.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
dialog.dismiss();
}
});
dialog.show();
}
alert_dialog (Layout xml)
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="@dimen/_250sdp"
android:layout_height="@dimen/_190sdp"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:background="@drawable/fingertouchbackground"
android:layout_gravity="center">
<ImageView
android:id="@ id/imageView16"
android:layout_width="@dimen/_50sdp"
android:layout_height="@dimen/_50sdp"
android:layout_marginTop="@dimen/_10sdp"
android:src="@drawable/ic_baseline_error_outline_24"
app:layout_constraintBottom_toTopOf="@ id/card_status"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@ id/card_status"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/alert_notification"
android:textColor="@color/black"
android:textSize="@dimen/_20sdp"
android:visibility="gone"
app:layout_constraintBottom_toTopOf="@ id/textView71"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@ id/imageView16" />
<TextView
android:id="@ id/textView71"
android:layout_width="match_parent"
android:layout_height="@dimen/_1sdp"
android:background="@color/devider"
android:layout_marginLeft="@dimen/_30sdp"
android:layout_marginRight="@dimen/_30sdp"
app:layout_constraintBottom_toTopOf="@ id/tvMessage"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@ id/card_status" />
<TextView
android:id="@ id/tvMessage"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:paddingLeft="@dimen/_15sdp"
android:paddingRight="@dimen/_15sdp"
android:layout_marginBottom="@dimen/_10sdp"
android:layout_marginTop="@dimen/_10sdp"
android:text="@string/internt_problem"
android:textColor="@color/color_gray"
android:textSize="@dimen/_11sdp"
android:fontFamily="@font/nunito_semibold"
app:layout_constraintBottom_toTopOf="@ id/constraintLayoutButtons"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@ id/textView71" />
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@ id/constraintLayoutButtons"
android:layout_width="@dimen/_240sdp"
android:layout_height="@dimen/_40sdp"
android:layout_marginLeft="@dimen/_10sdp"
android:layout_marginRight="@dimen/_10sdp"
android:layout_marginBottom="@dimen/_15sdp"
android:background="@color/white"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@ id/tvMessage">
<TextView
android:id="@ id/btnAllow"
android:layout_width="@dimen/_100sdp"
android:layout_height="@dimen/_30sdp"
android:background="@drawable/button_background"
android:fontFamily="@font/nunito_regular"
android:gravity="center"
android:text="@string/ok"
android:textAlignment="center"
android:textColor="@color/white"
android:textSize="@dimen/_15sdp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@ id/constraintLayoutButtons" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>