显示当互联网连接的Android应用程序不可用警报 [英] Display an alert when internet connection not available in android application
本文介绍了显示当互联网连接的Android应用程序不可用警报的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
在我的应用程序数据来源于互联网,我想创建一个函数来检查,如果一个网络连接是否可用,如果它不是,它给出了一个警告messege没有互联网连接可用的。 我用下面的code。但它不工作。
公共无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.main1);
公共无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.main1);
如果(isOnline())
{
//我的code
}
其他
{
Hotgames4meActivity1.this.startActivity(新意图(Settings.ACTION_WIRELESS_SETTINGS));
尝试 {
AlertDialog alertDialog =新AlertDialog.Builder(Hotgames4meActivity1.this).create();
alertDialog.setTitle(信息);
alertDialog.setMessage(网络不可用,交叉检查你的互联网连接,然后重试);
//alertDialog.setIcon(R.drawable.alerticon);
alertDialog.setButton(OK,新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释它){
完();
}
});
alertDialog.show();
}
赶上(例外五)
{
//Log.d(Constants.TAG,显示对话框:+ e.getMessage());
}
}
}
解决方案
公共无效的onCreate(包OBJ)
{
super.onCreate(OBJ)
setContextView(布局);
如果(isOnline())
//做任何你想做的事
其他
{
尝试 {
AlertDialog alertDialog =新AlertDialog.Builder(CON).create();
alertDialog.setTitle(信息);
alertDialog.setMessage(网络不可用,交叉检查你的互联网连接,然后重试);
alertDialog.setIcon(android.R.drawable.ic_dialog_alert);
alertDialog.setButton(OK,新DialogInterface.OnClickListener(){
公共无效的onClick(DialogInterface对话,诠释它){
完();
}
});
alertDialog.show();
}
赶上(例外五)
{
Log.d(Constants.TAG,显示对话框:+ e.getMessage());
}
}
}
In my application data comes from internet and I am trying to create a function that checks if a internet connection is available or not and if it isn't, it gives an alert messege that no internet connection available. i am using following code. but its not working.
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main1);
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main1);
if (isOnline())
{
// my code
}
else
{
Hotgames4meActivity1.this.startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));
try {
AlertDialog alertDialog = new AlertDialog.Builder(Hotgames4meActivity1.this).create();
alertDialog.setTitle("Info");
alertDialog.setMessage("Internet not available, Cross check your internet connectivity and try again");
//alertDialog.setIcon(R.drawable.alerticon);
alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
finish();
}
});
alertDialog.show();
}
catch(Exception e)
{
//Log.d(Constants.TAG, "Show Dialog: "+e.getMessage());
}
}
}
解决方案
public void onCreate(Bundle obj)
{
super.onCreate(obj)
setContextView(layout);
if (isOnline())
//do whatever you want to do
else
{
try {
AlertDialog alertDialog = new AlertDialog.Builder(con).create();
alertDialog.setTitle("Info");
alertDialog.setMessage("Internet not available, Cross check your internet connectivity and try again");
alertDialog.setIcon(android.R.drawable.ic_dialog_alert);
alertDialog.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
finish();
}
});
alertDialog.show();
}
catch(Exception e)
{
Log.d(Constants.TAG, "Show Dialog: "+e.getMessage());
}
}
}
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