Activation and suspension of Windows 8 applications

Application Program Activation and suspension examples demonstrate how you handle activation, suspension, recovery, and your Metro style applications. ( Function (){
VaR Order = 0;
VaR APP = winjs. Application;
VaR Myfile = "myfile. Text ";
Sdksample. scenarioselection = False ;

function onscenariochanged () {
/// do any necessary clean up on the output, the scenario id
/// can be obtained from sdksample. scenarioid.
sdksample. displaystatus ("");

If (sdksample. scenarioid = 1) {
document. getelementbyid ('scenario1outputtextarea '). style. display = 'block';
}< br> If (sdksample. scenarioid = 2) {
document. getelementbyid ('scenario1outputtextarea '). style. display = 'none';
}< BR >}

FunctionDomcontentloadedhandler (){
Document. getelementbyid ("scenarios"). addeventlistener ("change ",/*@ Static_cast (eventlistener)*/Onscenariochanged,False);

Order + = 1;
Document. getelementbyid ("scenario1output"). innerhtml + = "domcontentloaded was triggered at order:" +/*@ Static_cast (string)*/Order + ".";
}

function loadhandler () {
order + = 1;
document. getelementbyid ("scenario1output "). innerhtml + = "
load was triggered at order:" + /* @ static_cast (string) */ order + ". ";
}

function activatedhandler (eventargs) {
order + = 1;
document. getelementbyid ("scenario1output "). innerhtml + = "
activated was triggered at order:" + /* @ static_cast (string) */ order + ". ";

If(Eventargs. Kind === windows. ApplicationModel. Activation. activationkind. Launch ){
Sdksample. selectscenario ("1 ");
Document. getelementbyid ('scenario1outputtextarea '). style. Display = 'block ';

// Check if the activatedreason means that this is a re-activation after a suspension followed by a graceful
// Termination. If it is then we must have saved the state in suspending handler. Retrieve the persisted state.
VaR Activatedreason = eventargs. previusexecutionstate;
If (Activatedreason === windows. ApplicationModel. Activation. applicationexecutionstate. Terminated ){

// If there is going to be some Asynchronous Operation done during activation then
// The app can signal the need to handle activation of the application asynchronously.
// To do so the app can use the getdeferral method.
VaR Deferral = eventargs. activatedoperation. getdeferral ();

//Populate the text box with the previusly saved value
App. Local. readtext (myfile, "default"). Then (Function(STR ){
Document. getelementbyid ("usertext"). value = STR;

// After the asynchronous operation is done the app must call complete on the deferral object
// As follows else the app wocould get terminated.
Deferral. Complete ();
});
}
}

If(Eventargs. Kind === windows. ApplicationModel. Activation. activationkind. Protocol ){
Sdksample. selectscenario ("2 ");
Document. getelementbyid ('scenario1outputtextarea '). style. Display = 'none ';

// This is a protocol activation.
// Protocol format currently supported in this sample is: sdksampleprotocol: domain? Src = [some url]
Document. getelementbyid ("scenario2output"). innerhtml + = "this is protocol activation .";
Document. getelementbyid ("scenario2output"). innerhtml + = "<br/> protocol format used for this activation:" +
Eventargs. Uri. rawuri + "<br/> ";
}

// If (eventargs. Kind === windows. ApplicationModel. Activation. activationkind. Search ){
// // Noop
// } Else if (eventargs. Kind === windows. ApplicationModel. Activation. activationkind. sharetarget ){
// // Noop
// } Else if (eventargs. Kind === windows. ApplicationModel. Activation. activationkind. sendtarget ){
// // Noop
// } Else if (eventargs. Kind === windows. ApplicationModel. Activation. activationkind. File ){
// // Noop
// } Else if (eventargs. Kind === windows. ApplicationModel. Activation. activationkind. filepicker ){
// // Noop
// } Else if (eventargs. Kind === windows. ApplicationModel. Activation. activationkind. contactpicker ){
// // Noop
// } Else if (eventargs. Kind === windows. ApplicationModel. Activation. activationkind. Device ){
// // Noop
// } Else if (eventargs. Kind === windows. ApplicationModel. Activation. activationkind. printtasksettings ){
// // Noop
// } Else {// If (eventargs. Kind = windows. ApplicationModel. Activation. activationkind. camerasettings)
// // Noop
// }
}

Function Suspendinghandler (eventargs ){
// If there is going to be some Asynchronous Operation done during suspension then
// The app can signal the need to handle suspension of the application asynchronously.
// To do so the app can use the getdeferral method.
VaR Deferral = eventargs. suspendingoperation. getdeferral ();

// This is only for advanced scenarios when using a file is necessary to persist data.
App. Local. writetext (myfile, document. getelementbyid ("usertext"). Value). Then ( Function (){
// After the asynchronous operation is done the app must call complete on the deferral object
// As follows else the app wocould get terminated.
Deferral. Complete ();
});
}

FunctionResuminghandler (){
}

Document. addeventlistener ("domcontentloaded", domcontentloadedhandler,False);
Window. addeventlistener ("LOAD ",/*@ Static_cast (eventlistener)*/Loadhandler,False);
Windows. UI. webui. webuiapplication. addeventlistener ("activated", activatedhandler,False);
Windows. UI. webui. webuiapplication. addeventlistener ("suspending", suspendinghandler,False);
Windows. UI. webui. webuiapplication. addeventlistener ("resuming", resuminghandler,False);

})();

 

Complete example

/files/risk/windows8/APP activation sample.rar