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You should move setContentView(R.layout.activity_main); before web = (WebView) findViewById(R.id.webView1);

Correct with below:

WebView web; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); web = (WebView) findViewById(R.id.webView1); web.getSettings().setLoadsImagesAutomatically(true); web.getSettings().setJavaScriptEnabled(true); web.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); web.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE); web.getSettings().setAppCacheEnabled(false); web.getSettings().setSaveFormData(false); web.loadUrl("file:///android_asset/www/parallel.html"); } 

in your onCreate() method.

You should setContentView(R.layout.activity_main); before web = (WebView) findViewById(R.id.webView1);

Correct with below:

WebView web; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); web = (WebView) findViewById(R.id.webView1); web.getSettings().setLoadsImagesAutomatically(true); web.getSettings().setJavaScriptEnabled(true); web.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); web.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE); web.getSettings().setAppCacheEnabled(false); web.getSettings().setSaveFormData(false); web.loadUrl("file:///android_asset/www/parallel.html"); } 

in your onCreate() method.

You should move setContentView(R.layout.activity_main); before web = (WebView) findViewById(R.id.webView1);

Correct with below:

WebView web; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); web = (WebView) findViewById(R.id.webView1); web.getSettings().setLoadsImagesAutomatically(true); web.getSettings().setJavaScriptEnabled(true); web.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); web.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE); web.getSettings().setAppCacheEnabled(false); web.getSettings().setSaveFormData(false); web.loadUrl("file:///android_asset/www/parallel.html"); } 

in your onCreate() method.

Source Link
M D
  • 47.9k
  • 9
  • 96
  • 116

You should setContentView(R.layout.activity_main); before web = (WebView) findViewById(R.id.webView1);

Correct with below:

WebView web; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); web = (WebView) findViewById(R.id.webView1); web.getSettings().setLoadsImagesAutomatically(true); web.getSettings().setJavaScriptEnabled(true); web.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY); web.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE); web.getSettings().setAppCacheEnabled(false); web.getSettings().setSaveFormData(false); web.loadUrl("file:///android_asset/www/parallel.html"); } 

in your onCreate() method.