Android detects wifi connection, notification box delay disappears

Source: Internet
Author: User

Android detection system WiFi is connected? If there is no connection, display the prompt box, prompt to set, when the click Set to enter the system WiFi interface 1 seconds, the prompt box disappears automatically.

Code:

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1234567891011121314151617181920212223242526272829303132333435363738 public boolean isWifiConnected(Context context) {        ConnectivityManager connectivityManager = (ConnectivityManager) context                .getSystemService(Context.CONNECTIVITY_SERVICE);        NetworkInfo wifiNetworkInfo = connectivityManager                .getNetworkInfo(ConnectivityManager.TYPE_WIFI);        if (wifiNetworkInfo.isConnected()) {            return true;        } else {            builder.setMessage("请检查WIFI是否连接成功!");            builder.setTitle("提示信息");            builder.setPositiveButton("设置",                    new DialogInterface.OnClickListener() {                        public void onClick(final DialogInterface dialog,                                int which) {                            Intent intent = new Intent(                                    Settings.ACTION_WIFI_SETTINGS);                            startActivity(intent);                            //点击设置1秒后消失                            new Handler().postDelayed(new Runnable() {                                @Override                                public void run() {                                    dialog.dismiss();                                }                            }, 1000);                        }                    });            builder.setNegativeButton("取消",                    new android.content.DialogInterface.OnClickListener() {                        public void onClick(DialogInterface dialog, int which) {                            dialog.dismiss();                        }                    });            dialog = builder.create();            dialog.show();            return false;        }    }

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Android detects wifi connection, notification box delay disappears

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