Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "Add TaskStackBuilder#addParentStack(ComponentName)"

Browse Source
This commit is contained in:
Adam Powell
2012-04-23 13:41:36 -07:00
committed by Android (Google) Code Review
parent 27bfcedc37 3c464bdefe
commit 32ef750af0
2 changed files with 40 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
api/current.txt
View File

@@ -3999,6 +3999,7 @@ package android.app {
method public android.app.TaskStackBuilder addNextIntent(android.content.Intent);
method public android.app.TaskStackBuilder addParentStack(android.app.Activity);
method public android.app.TaskStackBuilder addParentStack(java.lang.Class<?>);
method public android.app.TaskStackBuilder addParentStack(android.content.ComponentName);
method public static android.app.TaskStackBuilder from(android.content.Context);
method public android.content.Intent getIntent(int);
method public int getIntentCount();

41
core/java/android/app/TaskStackBuilder.java
View File

@@ -91,8 +91,10 @@ public class TaskStackBuilder implements Iterable<Intent> {
/**
* Add the activity parent chain as specified by the
* {@link android.R.attr#parentActivityName parentActivityName} attribute of the activity
* (or activity-alias) element in the application's manifest to the task stack builder.
* {@link Activity#getParentActivityIntent() getParentActivityIntent()} method of the activity
* specified and the {@link android.R.attr#parentActivityName parentActivityName} attributes
* of each successive activity (or activity-alias) element in the application's manifest
* to the task stack builder.
*
* @param sourceActivity All parents of this activity will be added
* @return This TaskStackBuilder for method chaining
@@ -155,6 +157,41 @@ public class TaskStackBuilder implements Iterable<Intent> {
return this;
}
/**
* Add the activity parent chain as specified by the
* {@link android.R.attr#parentActivityName parentActivityName} attribute of the activity
* (or activity-alias) element in the application's manifest to the task stack builder.
*
* @param sourceActivityName Must specify an Activity component. All parents of
* this activity will be added
* @return This TaskStackBuilder for method chaining
*/
public TaskStackBuilder addParentStack(ComponentName sourceActivityName) {
final int insertAt = mIntents.size();
PackageManager pm = mSourceContext.getPackageManager();
try {
ActivityInfo info = pm.getActivityInfo(sourceActivityName, 0);
String parentActivity = info.parentActivityName;
Intent parent = new Intent().setComponent(
new ComponentName(info.packageName, parentActivity));
while (parent != null) {
mIntents.add(insertAt, parent);
info = pm.getActivityInfo(parent.getComponent(), 0);
parentActivity = info.parentActivityName;
if (parentActivity != null) {
parent = new Intent().setComponent(
new ComponentName(info.packageName, parentActivity));
} else {
parent = null;
}
}
} catch (NameNotFoundException e) {
Log.e(TAG, "Bad ComponentName while traversing activity parent metadata");
throw new IllegalArgumentException(e);
}
return this;
}
/**
* @return the number of intents added so far.
*/