Merge "Change AppPrefLoader from AsyncTask to AsyncLoader." into oc-dev

am: d821a32b8e

Change-Id: If0208dec8535fe72b14f73f42eb56ecfd7c9d2f7
This commit is contained in:
Doris Ling
2017-05-12 22:06:32 +00:00
committed by android-build-merger
3 changed files with 171 additions and 41 deletions

View File

@@ -30,7 +30,6 @@ import android.net.NetworkPolicy;
import android.net.NetworkStatsHistory;
import android.net.NetworkTemplate;
import android.net.TrafficStats;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.UserHandle;
@@ -56,11 +55,6 @@ import com.android.settingslib.net.ChartDataLoader;
import com.android.settingslib.net.UidDetail;
import com.android.settingslib.net.UidDetailProvider;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
public class AppDataUsage extends DataUsageBase implements Preference.OnPreferenceChangeListener,
DataSaverBackend.Listener {
@@ -79,6 +73,7 @@ public class AppDataUsage extends DataUsageBase implements Preference.OnPreferen
private static final String KEY_UNRESTRICTED_DATA = "unrestricted_data_saver";
private static final int LOADER_CHART_DATA = 2;
private static final int LOADER_APP_PREF = 3;
private final ArraySet<String> mPackages = new ArraySet<>();
private Preference mTotalUsage;
@@ -105,12 +100,6 @@ public class AppDataUsage extends DataUsageBase implements Preference.OnPreferen
private SwitchPreference mUnrestrictedData;
private DataSaverBackend mDataSaverBackend;
// Parameters to construct an efficient ThreadPoolExecutor
private static final int CPU_COUNT = Runtime.getRuntime().availableProcessors();
private static final int CORE_POOL_SIZE = Math.max(2, Math.min(CPU_COUNT - 1, 4));
private static final int MAXIMUM_POOL_SIZE = CPU_COUNT * 2 + 1;
private static final int KEEP_ALIVE_SECONDS = 30;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
@@ -197,14 +186,7 @@ public class AppDataUsage extends DataUsageBase implements Preference.OnPreferen
if (mPackages.size() > 1) {
mAppList = (PreferenceCategory) findPreference(KEY_APP_LIST);
final int packageSize = mPackages.size();
final BlockingQueue<Runnable> workQueue = new LinkedBlockingQueue<>(packageSize);
final ThreadPoolExecutor executor = new ThreadPoolExecutor(CORE_POOL_SIZE,
MAXIMUM_POOL_SIZE, KEEP_ALIVE_SECONDS, TimeUnit.SECONDS, workQueue);
for (int i = 1; i < mPackages.size(); i++) {
final AppPrefLoader loader = new AppPrefLoader();
loader.executeOnExecutor(executor, mPackages.valueAt(i));
}
getLoaderManager().initLoader(LOADER_APP_PREF, Bundle.EMPTY, mAppPrefCallbacks);
} else {
removePreference(KEY_APP_LIST);
}
@@ -399,30 +381,27 @@ public class AppDataUsage extends DataUsageBase implements Preference.OnPreferen
}
};
private class AppPrefLoader extends AsyncTask<String, Void, Preference> {
@Override
protected Preference doInBackground(String... params) {
PackageManager pm = getPackageManager();
String pkg = params[0];
try {
ApplicationInfo info = pm.getApplicationInfo(pkg, 0);
Preference preference = new Preference(getPrefContext());
preference.setIcon(info.loadIcon(pm));
preference.setTitle(info.loadLabel(pm));
preference.setSelectable(false);
return preference;
} catch (PackageManager.NameNotFoundException e) {
private final LoaderManager.LoaderCallbacks<ArraySet<Preference>> mAppPrefCallbacks =
new LoaderManager.LoaderCallbacks<ArraySet<Preference>>() {
@Override
public Loader<ArraySet<Preference>> onCreateLoader(int i, Bundle bundle) {
return new AppPrefLoader(getPrefContext(), mPackages, getPackageManager());
}
return null;
}
@Override
protected void onPostExecute(Preference pref) {
if (pref != null && mAppList != null) {
mAppList.addPreference(pref);
@Override
public void onLoadFinished(Loader<ArraySet<Preference>> loader,
ArraySet<Preference> preferences) {
if (preferences != null && mAppList != null) {
for (Preference preference : preferences) {
mAppList.addPreference(preference);
}
}
}
}
}
@Override
public void onLoaderReset(Loader<ArraySet<Preference>> loader) {
}
};
@Override
public void onDataSaverChanged(boolean isDataSaving) {

View File

@@ -0,0 +1,58 @@
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.datausage;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.support.v7.preference.Preference;
import android.util.ArraySet;
import com.android.settings.utils.AsyncLoader;
public class AppPrefLoader extends AsyncLoader<ArraySet<Preference>> {
private ArraySet<String> mPackages;
private PackageManager mPackageManager;
private Context mPrefContext;
public AppPrefLoader(Context prefContext, ArraySet<String> pkgs, PackageManager pm) {
super(prefContext);
mPackages = pkgs;
mPackageManager = pm;
mPrefContext = prefContext;
}
@Override
public ArraySet<Preference> loadInBackground() {
ArraySet<Preference> results = new ArraySet<>();
for (int i = 1, size = mPackages.size(); i < size; i++) {
try {
ApplicationInfo info = mPackageManager.getApplicationInfo(mPackages.valueAt(i), 0);
Preference preference = new Preference(mPrefContext);
preference.setIcon(info.loadIcon(mPackageManager));
preference.setTitle(info.loadLabel(mPackageManager));
preference.setSelectable(false);
results.add(preference);
} catch (PackageManager.NameNotFoundException e) {
}
}
return results;
}
@Override
protected void onDiscardResult(ArraySet<Preference> result) {
}
}