From c0ee8bc183f4c276917c8386a2af5d1e4a2f6c4a Mon Sep 17 00:00:00 2001 From: Benjamin Orsini Date: Sun, 26 May 2019 21:21:05 +0200 Subject: [PATCH] feat(applications): improve recyclerview scrolling --- .../adapters/ApplicationListAdapter.java | 155 ++++++++++++------ 1 file changed, 104 insertions(+), 51 deletions(-) diff --git a/app/src/main/java/org/eu/exodus_privacy/exodusprivacy/adapters/ApplicationListAdapter.java b/app/src/main/java/org/eu/exodus_privacy/exodusprivacy/adapters/ApplicationListAdapter.java index 8ee4804..95f287c 100644 --- a/app/src/main/java/org/eu/exodus_privacy/exodusprivacy/adapters/ApplicationListAdapter.java +++ b/app/src/main/java/org/eu/exodus_privacy/exodusprivacy/adapters/ApplicationListAdapter.java @@ -23,7 +23,9 @@ import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.databinding.DataBindingUtil; +import android.graphics.drawable.Drawable; import android.support.annotation.NonNull; +import android.support.annotation.Nullable; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; @@ -44,7 +46,7 @@ import java.util.regex.Pattern; public class ApplicationListAdapter extends RecyclerView.Adapter { - private List packages; + private List applicationViewModels; private PackageManager packageManager; private OnAppClickListener onAppClickListener; private static final String gStore = "com.android.vending"; @@ -54,55 +56,95 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { private Context context; - private Comparator alphaPackageComparator = new Comparator() { + private Comparator alphaPackageComparator = new Comparator() { @Override - public int compare(PackageInfo pack1, PackageInfo pack2) { - String pkg1 = packageManager.getApplicationLabel(pack1.applicationInfo).toString(); - String pkg2 = packageManager.getApplicationLabel(pack2.applicationInfo).toString(); - return pkg1.compareToIgnoreCase(pkg2); + public int compare(ApplicationViewModel app1, ApplicationViewModel app2) { + return app1.label.toString().compareToIgnoreCase(app2.label.toString()); } }; public ApplicationListAdapter(Context context, PackageManager manager, OnAppClickListener listener) { + applicationViewModels = new ArrayList<>(); onAppClickListener = listener; this.context = context; setPackageManager(manager); } private void setInstalledPackages(List installedPackages) { - packages = installedPackages; - applyStoreFilter(); - Collections.sort(packages, alphaPackageComparator); + List viewModels = convertPackagesToViewModels(installedPackages); + applyStoreFilter(viewModels); + Collections.sort(viewModels, alphaPackageComparator); + applicationViewModels = viewModels; notifyDataSetChanged(); } - private void applyStoreFilter() { - List toRemove = new ArrayList<>(); - for (PackageInfo pkg : packages) { - if (!gStore.equals(packageManager.getInstallerPackageName(pkg.packageName))) { + private void applyStoreFilter(List apps) { + List toRemove = new ArrayList<>(); + for (ApplicationViewModel app : apps) { + if (!gStore.equals(app.installerPackageName)) { - String auid = Utils.getCertificateSHA1Fingerprint(packageManager,pkg.packageName); - String appuid = DatabaseManager.getInstance(context).getAUID(pkg.packageName); + String auid = Utils.getCertificateSHA1Fingerprint(packageManager,app.packageName); + String appuid = DatabaseManager.getInstance(context).getAUID(app.packageName); if(!auid.equalsIgnoreCase(appuid)) { - toRemove.add(pkg); + toRemove.add(app); } } try { - ApplicationInfo info = packageManager.getApplicationInfo(pkg.packageName,0); + ApplicationInfo info = packageManager.getApplicationInfo(app.packageName,0); if(!info.enabled) { - toRemove.add(pkg); + toRemove.add(app); } } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } } - packages.removeAll(toRemove); + apps.removeAll(toRemove); + } + + private List convertPackagesToViewModels(List infos) { + ArrayList appsToBuild = new ArrayList<>(infos.size()); + for (PackageInfo pi : infos) { + appsToBuild.add(buildViewModelFromPackageInfo(pi)); + } + return appsToBuild; + } + + private ApplicationViewModel buildViewModelFromPackageInfo(PackageInfo pi) { + ApplicationViewModel vm = new ApplicationViewModel(); + + vm.versionName = pi.versionName; + vm.packageName = pi.packageName; + vm.versionCode = pi.versionCode; + vm.requestedPermissions = pi.requestedPermissions; + + DatabaseManager dm = DatabaseManager.getInstance(context); + if(vm.versionName != null) + vm.report = dm.getReportFor(vm.packageName, vm.versionName); + else { + vm.report = dm.getReportFor(vm.packageName, vm.versionCode); + } + + if(vm.report != null) { + vm.trackers = dm.getTrackers(vm.report.trackers); + } + + try { + vm.icon = packageManager.getApplicationIcon(vm.packageName); + } catch (PackageManager.NameNotFoundException e) { + e.printStackTrace(); + } + + vm.label = packageManager.getApplicationLabel(pi.applicationInfo); + vm.installerPackageName = packageManager.getInstallerPackageName(vm.packageName); + vm.isVisible = true; + + return vm; } @Override public int getItemViewType(int position){ - return (Pattern.compile(Pattern.quote(filter.trim()), Pattern.CASE_INSENSITIVE).matcher(packageManager.getApplicationLabel(packages.get(position).applicationInfo)).find())?DISPLAYED_APP:HIDDEN_APP; + return applicationViewModels.get(position).isVisible ? DISPLAYED_APP : HIDDEN_APP; } @NonNull @@ -119,12 +161,17 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int position) { if( viewHolder.getItemViewType() == DISPLAYED_APP) { final ApplicationListViewHolder holder = (ApplicationListViewHolder) viewHolder; - holder.setData(packages.get(position)); + holder.setViewModel(applicationViewModels.get(position)); //noinspection Convert2Lambda holder.itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { - onAppClickListener.onAppClick(holder.packageInfo); + try { + PackageInfo packageInfo = packageManager.getPackageInfo(holder.viewModel.packageName, 0); + onAppClickListener.onAppClick(packageInfo); + } catch (PackageManager.NameNotFoundException e) { + e.printStackTrace(); + } } }); }else { @@ -134,10 +181,9 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { } } - @Override public int getItemCount() { - return packages.size(); + return applicationViewModels.size(); } public void setPackageManager(PackageManager manager) { @@ -148,16 +194,31 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { } } + /** + * This class holds the data needed to display an application cell in the RecyclerView + */ + public class ApplicationViewModel { + public String packageName; + public String versionName; + public int versionCode; + public String[] requestedPermissions; + public @Nullable Report report; + public Set trackers; + public @Nullable Drawable icon; + public CharSequence label; + public String installerPackageName; + public boolean isVisible; + } + class ApplicationEmptyViewHolder extends RecyclerView.ViewHolder{ ApplicationEmptyViewHolder(View itemView) { super(itemView); } } - class ApplicationListViewHolder extends RecyclerView.ViewHolder { - PackageInfo packageInfo; + ApplicationViewModel viewModel; AppItemBinding appItemBinding; ApplicationListViewHolder(AppItemBinding binding) { @@ -165,8 +226,8 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { appItemBinding = binding; } - public void setData(PackageInfo data) { - packageInfo = data; + void setViewModel(ApplicationViewModel vm) { + viewModel = vm; Context context = appItemBinding.getRoot().getContext(); @@ -176,22 +237,14 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { appItemBinding.appTrackerNb.setVisibility(View.VISIBLE); appItemBinding.appTracker.setVisibility(View.VISIBLE); + String versionName = viewModel.versionName; + long versionCode = viewModel.versionCode; - String packageName = packageInfo.packageName; - String versionName = packageInfo.versionName; - long versionCode = packageInfo.versionCode; + appItemBinding.appLogo.setImageDrawable(viewModel.icon); - //get logo - try { - appItemBinding.appLogo.setImageDrawable(packageManager.getApplicationIcon(packageName)); - } catch (PackageManager.NameNotFoundException e) { - e.printStackTrace(); - } - //get name - appItemBinding.appName.setText(packageManager.getApplicationLabel(packageInfo.applicationInfo)); + appItemBinding.appName.setText(viewModel.label); - //get permissions - long size = packageInfo.requestedPermissions != null ? data.requestedPermissions.length : 0; + long size = viewModel.requestedPermissions != null ? viewModel.requestedPermissions.length : 0; appItemBinding.appPermissionNb.setText(String.valueOf(size)); if(size == 0) appItemBinding.appPermissionNb.setBackgroundResource(R.drawable.square_green); @@ -200,14 +253,9 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { else appItemBinding.appPermissionNb.setBackgroundResource(R.drawable.square_red); - //get reports - Report report; - if(versionName != null) - report = DatabaseManager.getInstance(context).getReportFor(packageName, versionName); - else - report = DatabaseManager.getInstance(context).getReportFor(packageName, versionCode); + Report report = viewModel.report; if(report != null) { - Set trackers = DatabaseManager.getInstance(context).getTrackers(report.trackers); + Set trackers = viewModel.trackers; size = trackers.size(); appItemBinding.appTrackerNb.setText(String.valueOf(size)); @@ -218,8 +266,8 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { else appItemBinding.appTrackerNb.setBackgroundResource(R.drawable.square_red); - if(versionName != null && !report.version.equals(data.versionName)) { - String string = context.getString(R.string.tested,versionName,report.version); + if(versionName != null && !report.version.equals(viewModel.versionName)) { + String string = context.getString(R.string.tested,versionName, report.version); appItemBinding.otherVersion.setText(string); appItemBinding.otherVersion.setVisibility(View.VISIBLE); } else if (versionName == null && report.versionCode != versionCode) { @@ -227,7 +275,6 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { appItemBinding.otherVersion.setText(string); appItemBinding.otherVersion.setVisibility(View.VISIBLE); } - } else { appItemBinding.appTrackerNb.setVisibility(View.GONE); appItemBinding.appTracker.setVisibility(View.GONE); @@ -243,6 +290,12 @@ public class ApplicationListAdapter extends RecyclerView.Adapter { public void filter(String text) { filter = text; + + Pattern p = Pattern.compile(Pattern.quote(filter.trim()), Pattern.CASE_INSENSITIVE); + for (ApplicationViewModel app : applicationViewModels) { + app.isVisible = p.matcher(app.label).find(); + } + notifyDataSetChanged(); } }