如何知道改造呼叫何时完成
有没有办法知道我的改造呼叫何时完成它的责任？ 我喜欢知道何时收到所有数据，以便代码可以继续前进，如启动另一个活动或使用第一次调用的数据创建第二个活动？
Ps .:我正在使用异步请求（.enqueue）。
编辑：
getContact(){
//Get a contact List from the server
Call<List<ModelContact>> callM = contactInterface.createRContact(listContact);
callM.enqueue(new Callback<List<ModelContact>>() {
@Override
public void onResponse(Response<List<ModelContact>> response, Retrofit retrofit) {
// Fetch the List from Response and save it on the local database
}
@Override
public void onFailure(Throwable t) {
Log.i("TAG", "Error: " + t.getMessage());
}
});
//Gets a object containing some configurations
Call<Configs> callC = contactInterface.getConfigs(Configs);
callC.enqueue(new Callback<Configs>() {
@Override
public void onResponse(Response<Configs> response, Retrofit retrofit) {
// Fetch the Configs object and save it on the database
}
@Override
public void onFailure(Throwable t) {
Log.i("TAG", "Error: " + t.getMessage());
}
});
//Here I need to start a new activity after the calls
Intent loginact = new Intent(TokenActivity.this, LoginActivity.class);
startActivity(loginact);
}
也许你可以使用两个布尔标志并在你的getContact方法之外启动新的intent。
像这样的东西：
public class MyActivity extends Activity {
//lot of code omitted
private boolean cIsFinished;
private boolean mIsFinished;
private void getContact(){
//create M and C
m.onResponse(){
//do whatever you want with data and call startIntent
mIsFinished=true;
startIntent();
}
c.onResponse(){
//do whatever you want with data and call startIntent
cIsFinished=true;
startIntent();
}
}
private synchronized void startIntent(){
if(cIsFinished && mIsFinished){
//startIntentHere!
Intent intent = new blah blah blah
}
}
}
移动
//Gets a object containing some configurations
Call<Configs> callC = contactInterface.getConfigs(Configs);
callC.enqueue(new Callback<Configs>() {
@Override
public void onResponse(Response<Configs> response, Retrofit retrofit) {
// Fetch the Configs object and save it on the database
Intent loginact = new Intent(TokenActivity.this, LoginActivity.class);
startActivity(loginact);
}
@Override
public void onFailure(Throwable t) {
Log.i("TAG", "Error: " + t.getMessage());
}
});
里面callM的onResponse方法就是这样。 这种方式callM将执行，只要它完成， callC将执行，并且每当callC结束时它将抛出Intent。
getContact(){
//Get a contact List from the server
Call<List<ModelContact>> callM = contactInterface.createRContact(listContact);
callM.enqueue(new Callback<List<ModelContact>>() {
@Override
public void onResponse(Response<List<ModelContact>> response, Retrofit retrofit) {
// Fetch the List from Response and save it on the local database
//Gets a object containing some configurations
Call<Configs> callC = contactInterface.getConfigs(Configs);
callC.enqueue(new Callback<Configs>() {
@Override
public void onResponse(Response<Configs> response, Retrofit retrofit) {
//Fetch the Configs object and save it on the database
//Here I need to start a new activity after the calls
Intent loginact = new Intent(TokenActivity.this, LoginActivity.class);
startActivity(loginact);
}
@Override
public void onFailure(Throwable t) {
Log.i("TAG", "Error: " + t.getMessage());
}
});
}
@Override
public void onFailure(Throwable t) {
Log.i("TAG", "Error: " + t.getMessage());
}
});
}
如果你有任何请求相互依赖，这将是复杂的。 你可以用RxJava通过使用flatMap方法来链接多个请求并避免回调地狱。 这很简单。 你可以在这里了解它。
http://joluet.github.io/blog/2014/07/07/rxjava-retrofit/
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