Examples with WebView com.github.pockethub.android.ui.WebView used on opensource projects

Example 1 with WebView

use of com.github.pockethub.android.ui.WebView in project PocketHub by pockethub.

the class LoginWebViewActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    WebView webView = new WebView(this);
    // Needs the be activated to allow GitHub to perform their requests.
    webView.getSettings().setJavaScriptEnabled(true);
    String userAgent = webView.getSettings().getUserAgentString();
    // Remove chrome from the user agent since GitHub checks it incorrectly
    userAgent = userAgent.replaceAll("Chrome/\\d{2}\\.\\d\\.\\d\\.\\d", "");
    webView.getSettings().setUserAgentString(userAgent);
    String url = getIntent().getStringExtra(LoginActivity.INTENT_EXTRA_URL);
    webView.loadUrl(url);
    webView.setWebViewClient(new WebViewClient() {

        MaterialDialog dialog = new MaterialDialog.Builder(LoginWebViewActivity.this).content(R.string.loading).progress(true, 0).build();

        @Override
        public void onPageStarted(android.webkit.WebView view, String url, Bitmap favicon) {
            dialog.show();
        }

        @Override
        public void onPageFinished(android.webkit.WebView view, String url) {
            dialog.dismiss();
        }

        @TargetApi(Build.VERSION_CODES.LOLLIPOP)
        @Override
        public WebResourceResponse shouldInterceptRequest(android.webkit.WebView view, WebResourceRequest request) {
            return shouldIntercept(request.getUrl().toString());
        }

        @Override
        public WebResourceResponse shouldInterceptRequest(android.webkit.WebView view, String url) {
            return shouldIntercept(url);
        }

        @Override
        public boolean shouldOverrideUrlLoading(android.webkit.WebView view, String url) {
            Uri uri = Uri.parse(url);
            return overrideOAuth(uri) || super.shouldOverrideUrlLoading(view, url);
        }

        @TargetApi(Build.VERSION_CODES.LOLLIPOP)
        @Override
        public boolean shouldOverrideUrlLoading(android.webkit.WebView view, WebResourceRequest request) {
            return overrideOAuth(request.getUrl()) || super.shouldOverrideUrlLoading(view, request);
        }

        /**
         * This method will inject polyfills to the auth javascript if the version is
         * below Lollipop. After Lollipop WebView is updated via the Play Store so the polyfills
         * are not needed.
         *
         * @param url The requests url
         * @return null if there request should not be altered or a new response
         *     instance with polyfills.
         */
        private WebResourceResponse shouldIntercept(String url) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                return null;
            }
            if (url.matches(".*frameworks.*.js")) {
                InputStream in1 = null;
                InputStream in2 = null;
                Response response = null;
                try {
                    response = new OkHttpClient.Builder().build().newCall(new Request.Builder().get().url(url).build()).execute();
                    if (response.body() != null) {
                        in1 = response.body().byteStream();
                    }
                    in2 = getAssets().open("polyfills.js");
                } catch (IOException e) {
                    e.printStackTrace();
                }
                if (response == null) {
                    return null;
                }
                SequenceInputStream inputStream = new SequenceInputStream(in2, in1);
                return new WebResourceResponse("text/javascript", "utf-8", inputStream);
            } else {
                return null;
            }
        }

        private boolean overrideOAuth(Uri uri) {
            if (uri.getScheme().equals(getString(R.string.github_oauth_scheme))) {
                Intent data = new Intent();
                data.setData(uri);
                setResult(RESULT_OK, data);
                finish();
                return true;
            }
            return false;
        }
    });
    setContentView(webView);
}