Android5.1 默认主launcher、强制主launcher

一.Android5.1 默认主launcher

1.1.默认launcher属性

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diff --git a/frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java b/frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java index 2566663..82c5497 100755 --- a/frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java +++ b/frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java @@ -3259,6 +3259,66 @@ public final class ActivityManagerService extends ActivityManagerNative          }          return intent;      } +    +    private void setDefaultLauncher() {  +       +       +       String packageName = SystemProperties.get("persist.app.pkgName","com.android.launcher3"); +       String className = SystemProperties.get("persist.app.className","com.android.launcher3.Launcher"); +           +        Slog.i(TAG, "defautl packageName = " + packageName + ", default className = " + className); +        +         +        if ((packageName != null && packageName.trim().length() > 1) && (className != null && className.trim().length() > 0)) { +           +                IPackageManager pm = ActivityThread.getPackageManager();   +                ArrayList<IntentFilter> intentList = new ArrayList<IntentFilter>();  +                ArrayList<ComponentName> cnList = new ArrayList<ComponentName>();  +                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<ResolveInfo> list = new ArrayList<ResolveInfo>();  +                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);  +                }   +                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) {          if (mFactoryTest == FactoryTest.FACTORY_TEST_LOW_LEVEL @@ -3268,6 +3328,9 @@ public final class ActivityManagerService extends ActivityManagerNative              // error message and don't try to start anything.              return false;          } +        +        setDefaultLauncher(); +                 Intent intent = getHomeIntent();          ActivityInfo aInfo =              resolveActivityInfo(intent, STOCK_PM_FLAGS, userId); diff --git a/packages/apps/Settings/src/com/android/settings/HomeSettings.java b/packages/apps/Settings/src/com/android/settings/HomeSettings.java old mode 100644 new mode 100755 index 6da1848..8364ee0 --- a/packages/apps/Settings/src/com/android/settings/HomeSettings.java +++ b/packages/apps/Settings/src/com/android/settings/HomeSettings.java @@ -55,6 +55,7 @@ import com.android.settings.search.BaseSearchIndexProvider;  import com.android.settings.search.Index;  import com.android.settings.search.Indexable;  import com.android.settings.search.SearchIndexableRaw; +import android.os.SystemProperties;     public class HomeSettings extends SettingsPreferenceFragment implements Indexable {      static final String TAG = "HomeSettings"; @@ -124,6 +125,21 @@ public class HomeSettings extends SettingsPreferenceFragment implements Indexabl                  mHomeComponentSet, newHome.activityName);             getActivity().setResult(Activity.RESULT_OK); +        +        //Log.d("xinhua_launcher","className = "+newHome.activityName.getClassName()); +        //Log.d("xinhua_launcher","packageName = " +newHome.activityName.getPackageName()); +        +        SystemProperties.set("persist.app.pkgName",newHome.activityName.getPackageName()); +        SystemProperties.set("persist.app.className",newHome.activityName.getClassName()); +        +        startHomeApk(); +    } +    +    void startHomeApk(){ +           Intent intent= new Intent(Intent.ACTION_MAIN); +               intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); +               intent.addCategory(Intent.CATEGORY_HOME); +               getActivity().startActivity(intent);             }         void uninstallApp(HomeAppPreference pref) {

　

二.强制主launcher

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--- a/frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java +++ b/frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java @@ -3268,10 +3268,27 @@ public final class ActivityManagerService extends ActivityManagerNative              // error message and don't try to start anything.              return false;          } -        Intent intent = getHomeIntent(); +        String className = SystemProperties.get("persist.app.className","com.android.launcher3.Launcher"); +               Intent intent = getHomeIntent();          ActivityInfo aInfo =              resolveActivityInfo(intent, STOCK_PM_FLAGS, userId); -        if (aInfo != null) { +           if (aInfo != null) { +                    PackageManager pm = mContext.getPackageManager(); +                    Intent newintent = new Intent(Intent.ACTION_MAIN); +                    newintent.addCategory(Intent.CATEGORY_HOME); +                    List<ResolveInfo> resolveInfoList = pm.queryIntentActivities(newintent, 0);              +                    if(resolveInfoList != null){ +                           int size = resolveInfoList.size(); +                           for(int i = 0; i < size; i++){ +                               ResolveInfo rInfo = resolveInfoList.get(i);             +                               if(rInfo.activityInfo.name.equals(className)){ +                                   aInfo = rInfo.activityInfo; +                               } +                           } +                    } +                    +                    Log.d("gatsby","packageName = "+aInfo.applicationInfo.packageName); +                     intent.setComponent(new ComponentName(                      aInfo.applicationInfo.packageName, aInfo.name));              // Don't do this if the home app is currently being