Discussion :

[anto2b]

Bonjour,

J'ai n-activités ouvertes et je veux créer un Intent pour aller sur la n+1.

Cependant j'aimerais que cette n+1 activité devienne la 1ère de ma pile lors du startActivity donc détruire toutes les autres. Comment puis-je faire ?

Merci.

[Hizin]

J'ai l'impression que le flag FLAG_ACTIVITY_CLEAR_TOP correspond à ton besoin.

If set, and the activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent.

[anto2b]

Merci pour votre réponse rapide, voici mon code de l'Intent

Code :

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Intent myIntent = new Intent(getApplicationContext(),PoofActivity.class);
 
myIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); 
 
startActivity(myIntent);

Cependant cela ne change rien, les autres activités sont toujours dans la pile.

[Hizin]

A priori, c'est à coupler avec FLAG_ACTIVITY_NEW_TASK, disponible à partir de l'API 11.

[anto2b]

A priori, c'est à coupler avec FLAG_ACTIVITY_NEW_TASK, disponible à partir de l'API 11.

Mon application à un minSDK : 8. Donc celà marchera au-dessus de l'API 11, mais entre 8 & 11 ?

[Feanorin]

Salut,

API 1,

public static final int FLAG_ACTIVITY_NEW_TASK

Added in API level 1
If set, this activity will become the start of a new task on this history stack. A task (from the activity that started it to the next task activity) defines an atomic group of activities that the user can move to. Tasks can be moved to the foreground and background; all of the activities inside of a particular task always remain in the same order. See Tasks and Back Stack for more information about tasks.

This flag is generally used by activities that want to present a "launcher" style behavior: they give the user a list of separate things that can be done, which otherwise run completely independently of the activity launching them.

When using this flag, if a task is already running for the activity you are now starting, then a new activity will not be started; instead, the current task will simply be brought to the front of the screen with the state it was last in. See FLAG_ACTIVITY_MULTIPLE_TASK for a flag to disable this behavior.

This flag can not be used when the caller is requesting a result from the activity being launched.

Constant Value: 268435456 (0x10000000)

Par contre :

public static final int FLAG_ACTIVITY_CLEAR_TASK

Added in API level 11

Après tu peux te gérer les activity à la main pour faire un finish sur le onActvityResult ?

Mais pourquoi ne passes tu pas alors par des fragment ?