I used this code to make custom No internet dialog but when i successfully build then the problem is half screen show my custom image but half show the no connection errorenter image description here
In Activity_main.xml enter image description here
<?xml version="1.0" encoding="utf-8"?>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout 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:id="@+id/swipeRefreshLayout"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ProgressBar
android:id="@+id/ProgressBar"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="9dp"
android:layout_marginTop="-2dp"
android:progress="20"
android:visibility="gone" />
<ImageView
android:id="@+id/splashloading01"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:contentDescription="@string/todo"
android:src="@mipmap/splash_loading"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:visibility="gone">
</ImageView>
<WebView
android:id="@+id/activity_main_webview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" >
</WebView>
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/relativeLayout">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:src="@drawable/internet"
android:layout_centerHorizontal="true"
android:id="@+id/noConnectionLogo"
android:contentDescription="@string/todo" />
<Button
android:layout_width="140dp"
android:layout_height="55dp"
android:text="Join"
android:id="@+id/btnNoConnection">
</Button>
</RelativeLayout>
</LinearLayout>
In MainActivity.xml my code is
package www.foodmartshop.com;
import androidx.appcompat.app.AppCompatActivity;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
import android.content.Context;
import android.graphics.Color;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
public class MainActivity extends AppCompatActivity {
private WebView mWebView;
RelativeLayout relativeLayout;
Button btnNoInternetConnection;
ProgressBar progressBarWeb;
SwipeRefreshLayout swipeRefreshLayout;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mWebView = (WebView) findViewById(R.id.activity_main_webview);
WebSettings webSettings = mWebView.getSettings();
//Button No Internet//
btnNoInternetConnection = (Button) findViewById(R.id.btnNoConnection);
relativeLayout = (RelativeLayout) findViewById(R.id.relativeLayout); //No Internet//
webSettings.setJavaScriptEnabled(true);
progressBarWeb = (ProgressBar) findViewById(R.id.ProgressBar);
//Swipe//
swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayout);
swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
mWebView.reload();
}
}); //Swipe//
mWebView.loadUrl("https://www.foodmartshop.com");
mWebView.setWebViewClient(new www.foodmartshop.MyAppWebViewClient() {
//Hide The Loading Page
@Override
public void onPageFinished(WebView view, String url) {
findViewById(R.id.splashloading01).setVisibility(View.GONE);
findViewById(R.id.activity_main_webview).setVisibility(View.VISIBLE);
swipeRefreshLayout.setRefreshing(false);
}
});
mWebView.setWebChromeClient(new WebChromeClient() {
@Override
public void onProgressChanged(WebView view, int newProgress) {
progressBarWeb.setVisibility(View.VISIBLE);
progressBarWeb.setProgress(newProgress);
if (newProgress == 100) {
progressBarWeb.setVisibility(View.GONE);
}
super.onProgressChanged(view, newProgress);
}
});
}
@Override
public void onBackPressed() {
if(mWebView.canGoBack()){
mWebView.goBack();
}
else{
super.onBackPressed();
}
}
private class MyAppWebViewClient extends WebViewClient {
}
public void checkConnection() {
ConnectivityManager connectivityManager = (ConnectivityManager)
this.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo wifi = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
NetworkInfo mobileNetwork = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
if (wifi.isConnected()) {
mWebView.setVisibility(View.VISIBLE);
relativeLayout.setVisibility(View.GONE);
}
else if (mobileNetwork.isConnected()){
mWebView.setVisibility(View.VISIBLE);
relativeLayout.setVisibility(View.GONE);
}
else{
mWebView.setVisibility(View.GONE);
relativeLayout.setVisibility(View.VISIBLE);
}
}
}
In Mamifest my code is :
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="www.foodmartshop.com">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:allowBackup="true"
android:usesCleartextTraffic="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Plz help me i didnt understand the problem