WebView webView = (WebView)findViewById(R.id.webview);WebSettings webSettings = webView.getSettings(); //webview支持js腳本webSettings.setJavaScriptEnabled(true); //啟用數據庫 webSettings.setDatabaseEnabled(true);  //設置定位的數據庫路徑 String dir = this.getApplicationContext().getDir("database", Context.MODE_PRIVATE).getPath(); webSettings.setGeolocationDatabasePath(dir);  //啟用地理定位webSettings.setGeolocationEnabled(true);  //開啟DomStorage緩存webSettings.setDomStorageEnabled（true）  //配置權限webView.setWebChromeClient(new WebChromeClient() { @Override public void onReceivedIcon(WebView view, Bitmap icon) {  super.onReceivedIcon(view, icon); } @Overridepublic void onGeolocationPermissionsShowPrompt(String origin,Callback callback) { callback.invoke(origin, true, false);  super.onGeolocationPermissionsShowPrompt(origin, callback); }});

//在Androidmanifest.xml中開啟權限<uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

   if (Build.VERSION.SDK_INT >= 23) {    int checkPermission = ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.ACCESS_COARSE_LOCATION);    if (checkPermission != PackageManager.PERMISSION_GRANTED) {     ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.ACCESS_COARSE_LOCATION}, 1);     ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 1);     Log.d("TTTT", "彈出提示");    }   }