Android 清除默认launcher 改为其他的launcher
16lz
2021-01-23
Android 清除默认launcher 改为其他的launcher
//clear the current preferred launcher 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()); //清除原有的默认launcher } // 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.activityInfo.packageName.equals(packageName)) { bestMatch = r.match; Log.d(TAG, "bestMatch: " + r.activityInfo.packageName); } } // add the default launcher as the preferred launcher ComponentName launcher = new ComponentName(packageName, className); mContext.getPackageManager().addPreferredActivity(filter, bestMatch, set, launcher);
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