Android客制化------设置默认Launcher
要看客户是否需要保留系统默认的Launcher，如果需要保留的话，则需要在framework中去设置，如果不需要的，就挺好处理，在mk文件中添加这个属性LOCAL_OVERRIDES_PACKAGES := Launcher3（实际没有去尝试过这个属性，一般都是让系统不编译所有的Launcher，不同的平台可能不一样，对应去mk中删除，不让其编译即可）
下面提供下保留系统Launcher的情况下设置默认第三方Launcher
有两种方法，大体上都是相似的
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index b2174cc..d3f0564 100755
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -435,6 +435,10 @@ public class PackageManagerService extends IPackageManager.Stub
// If mac_permissions.xml was found for seinfo labeling.
boolean mFoundPolicyFile;
+ // set default Launcher
+ final private static String DEFAULT_HOME_PACKAGENAME = "com.hexnode.hexnodemdm";
+ final private static String DEFAULT_HOME_CLASSNAME = "com.hexnode.mdm.ui.LauncherActivity";
+
// If a recursive restorecon of /data/data/ is needed.
private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
@@ -3361,6 +3365,12 @@ public class PackageManagerService extends IPackageManager.Stub
|| r0.isDefault != r1.isDefault) {
return query.get(0);
}
+
+ /* set default launcher*/
+ if (r0.activityInfo.name.equals(DEFAULT_HOME_CLASSNAME) || r1.activityInfo.name.equals(DEFAULT_HOME_CLASSNAME)){
+ setDefaultHomeActivity(new ComponentName(DEFAULT_HOME_PACKAGENAME,DEFAULT_HOME_CLASSNAME) , userId);
+ }
+ /* set default launcher*/
// If we have saved a preference for a preferred activity for
// this Intent, use that.
ResolveInfo ri = findPreferredActivity(intent, resolvedType,
@@ -3383,6 +3393,26 @@ public class PackageManagerService extends IPackageManager.Stub
return null;
}
+ /* set default launcher*/
+ private void setDefaultHomeActivity(ComponentName homeActivity ,int userId){
+ Slog.d(TAG,"setDefaultHomeActivity "+ homeActivity);
+ IntentFilter homeFilter = new IntentFilter(Intent.ACTION_MAIN);
+ homeFilter.addCategory(Intent.CATEGORY_HOME);
+ homeFilter.addCategory(Intent.CATEGORY_DEFAULT);
+ ArrayList homeActivities = new ArrayList();
+ ComponentName currentDefaultHome = getHomeActivities(homeActivities);
+ ComponentName[] homeComponentSet = new ComponentName[homeActivities.size()];
+ for (int i = 0; i < homeActivities.size(); i++){
+ final ResolveInfo candidate = homeActivities.get(i);
+ final ActivityInfo info = candidate.activityInfo;
+ ComponentName activityName = new ComponentName(info.packageName, info.name);
+ homeComponentSet[i] = activityName;
+ }
+ addPreferredActivity(homeFilter, IntentFilter.MATCH_CATEGORY_EMPTY,
+ homeComponentSet, homeActivity, userId);
+ }
+ /* set default launcher*/
+
private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
int flags, List query, boolean debug, int userId) {
final int N = query.size();
@@ -12063,24 +12093,32 @@ public class PackageManagerService extends IPackageManager.Stub
String opname) {
// writer
int callingUid = Binder.getCallingUid();
- enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity");
- if (filter.countActions() == 0) {
- Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
- return;
+ /* set default launcher*/
+ if (!activity.getClassName().equals(DEFAULT_HOME_CLASSNAME)) {
+ enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity");
+ if (filter.countActions() == 0) {
+ Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
+ return;
+ }
}
+ /* set default launcher*/
synchronized (mPackages) {
- if (mContext.checkCallingOrSelfPermission(
- android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
- != PackageManager.PERMISSION_GRANTED) {
- if (getUidTargetSdkVersionLockedLPr(callingUid)
- < Build.VERSION_CODES.FROYO) {
- Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
- + callingUid);
- return;
- }
- mContext.enforceCallingOrSelfPermission(
- android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
+ /* set default launcher*/
+ if (!activity.getClassName().equals(DEFAULT_HOME_CLASSNAME)) {
+ if (mContext.checkCallingOrSelfPermission(
+ android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
+ != PackageManager.PERMISSION_GRANTED) {
+ if (getUidTargetSdkVersionLockedLPr(callingUid)
+ < Build.VERSION_CODES.FROYO) {
+ Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
+ + callingUid);
+ return;
+ }
+ mContext.enforceCallingOrSelfPermission(
+ android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
+ }
}
+ /* set default launcher*/
PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId);
Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user "
--
1.9.1
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index ff7ee26..406edee 100755
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -3257,7 +3257,89 @@ public final class ActivityManagerService extends ActivityManagerNative
return intent;
}
+ private void setDefaultLauncher() {
+ // get default component
+ boolean mFirstLaunch = true;
+ String packageName = "com.hexnode.hexnodemdm";
+ String className = "com.hexnode.mdm.ui.LauncherActivity";
+ if ((packageName != null && packageName.trim().length() > 1) && (className != null && className.trim().length() > 0)) {
+ if(mFirstLaunch){
+ IPackageManager pm = ActivityThread.getPackageManager();
+ ArrayList intentList = new ArrayList();
+ ArrayList cnList = new ArrayList();
+ mContext.getPackageManager().getPreferredActivities(intentList, cnList, null);
+ IntentFilter dhIF;
+ for(int i = 0; i < cnList.size(); i++)
+ {
+ dhIF = intentList.get(i);
+ if(dhIF.hasAction(Intent.ACTION_MAIN) &&
+ dhIF.hasCategory(Intent.CATEGORY_HOME))
+ {
+ mContext.getPackageManager().clearPackagePreferredActivities(cnList.get(i).getPackageName());
+ }
+ }
+ Intent intent = new Intent(Intent.ACTION_MAIN);
+ intent.addCategory(Intent.CATEGORY_HOME);
+ List list = new ArrayList();
+ try
+ {
+ list = pm.queryIntentActivities(intent,
+ intent.resolveTypeIfNeeded(mContext.getContentResolver()),
+ PackageManager.MATCH_DEFAULT_ONLY,UserHandle.getCallingUserId());
+ }catch (RemoteException e) {
+ throw new RuntimeException("Package manager has died", e);
+ }
+ // get all components and the best match
+ IntentFilter filter = new IntentFilter();
+ filter.addAction(Intent.ACTION_MAIN);
+ filter.addCategory(Intent.CATEGORY_HOME);
+ filter.addCategory(Intent.CATEGORY_DEFAULT);
+ final int N = list.size();
+ ComponentName[] set = new ComponentName[N];
+ int bestMatch = 0;
+ for (int i = 0; i < N; i++)
+ {
+ ResolveInfo r = list.get(i);
+ set[i] = new ComponentName(r.activityInfo.packageName,
+ r.activityInfo.name);
+ if (r.match > bestMatch) bestMatch = r.match;
+ }
+ ComponentName launcher = new ComponentName(packageName, className);
+ try
+ {
+ pm.addPreferredActivity(filter, bestMatch, set, launcher,UserHandle.getCallingUserId());
+ } catch (RemoteException e) {
+ throw new RuntimeException("Package manager has died", e);
+ }
+ }
+ }
+ }
+
boolean startHomeActivityLocked(int userId, String reason) {
+ setDefaultLauncher();
if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL
&& mTopAction == null) {
// We are running in factory test mode, but unable to find
--
1.9.1