android 如何將主菜單表徵圖改成按安裝時間排序

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1. 在 LauncherModel.java 中加入如下代碼, 如果是KK Launcher3 ApplicationInfo要替換為AppInfo
public static final Comparator<ApplicationInfo> getInstallTimeComparator() {
  return new Comparator<ApplicationInfo>() {
            public final int compare(ApplicationInfo a, ApplicationInfo b) {
                return a.firstInstallTime == b.firstInstallTime ? 0 : a.firstInstallTime > b.firstInstallTime ? 1:-1;
            }
        };
 }


 public static class InstallTimeComparator implements Comparator<ResolveInfo> {
  private PackageManager mPackageManager;
  List<ResolveInfo> mapps;
  InstallTimeComparator(PackageManager pm, List<ResolveInfo> apps)
  {
   mPackageManager = pm;
   mapps = apps;
   
  }
 
  public final int compare(ResolveInfo a, ResolveInfo b) {
   String packageNameA = a.activityInfo.applicationInfo.packageName;
   String packageNameB = b.activityInfo.applicationInfo.packageName;
   long firstInstallTimeA = 0, firstInstallTimeB = 0;
   try{
   firstInstallTimeA = mPackageManager.getPackageInfo(packageNameA, 0).firstInstallTime;
   firstInstallTimeB = mPackageManager.getPackageInfo(packageNameB, 0).firstInstallTime;
   }catch(Exception e){
    e.printStackTrace(); 
    return 0;
   }
  return firstInstallTimeA == firstInstallTimeB ? 0 : firstInstallTimeA > firstInstallTimeB ? 1:-1;
  }
 };
 
2. 修改 LauncherModel.java 的 loadAllAppsByBatch() 方法:

Collections.sort(apps,new LauncherModel.ShortcutNameComparator(packageManager, mLabelCache));
替換成:
Collections.sort(apps,new InstallTimeComparator(packageManager, apps));
 
3. 修改 AppsCustomizePagedview.java 的 setApps 方法

Collections.sort(mApps, LauncherModel.getAppNameComparator());
替換成:
Collections.sort(mApps, LauncherModel.getInstallTimeComparator());
 
4. 系統排序會調用reorderApps方法,因此您在其他條件下也要達到安裝時間排序,請在對應的reorderApps方法調用前增加
Collections.sort(mApps, LauncherModel.getInstallTimeComparator());
例如:安裝的應用後也想安裝新的排序方式排列,需要在AppsCustomizePagedview.java 的 addApps 方法前增加sort的調用
 

android 如何將主菜單表徵圖改成按安裝時間排序

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