【Android 进程保活】应用进程拉活 ( 账户同步拉活 | 账户同步 | 源码资源 )（二）

package kim.hsl.keep_progress_alive.account_service;
import android.accounts.Account;
import android.app.Service;
import android.content.AbstractThreadedSyncAdapter;
import android.content.ContentProviderClient;
import android.content.Context;
import android.content.Intent;
import android.content.SyncResult;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
public class AccountSyncService extends Service {
    // 账户同步 IBinder 对象
    private ThreadSyncAdapter mThreadSyncAdapter;
    public AccountSyncService() {
    }
    @Override
    public IBinder onBind(Intent intent) {
        return mThreadSyncAdapter.getSyncAdapterBinder();
    }
    @Override
    public void onCreate() {
        super.onCreate();
        mThreadSyncAdapter = new ThreadSyncAdapter(getApplicationContext(), true);
    }
    class ThreadSyncAdapter extends AbstractThreadedSyncAdapter{
        public ThreadSyncAdapter(Context context, boolean autoInitialize) {
            super(context, autoInitialize);
        }
        public ThreadSyncAdapter(Context context, boolean autoInitialize,
                                 boolean allowParallelSyncs) {
            super(context, autoInitialize, allowParallelSyncs);
        }
        @Override
        public void onPerformSync(Account account, Bundle extras, String authority,
                                  ContentProviderClient provider, SyncResult syncResult) {
            // 账户同步操作
            // 与数据库 , 服务器同步操作 , 这里只是为了应用进程拉活 , 不实现具体的逻辑
            Log.i("AccountSyncService", "账户同步拉活激活");
        }
    }
}

package kim.hsl.keep_progress_alive.account_service;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
public class AccountSyncContentProvider extends ContentProvider {
    @Override
    public boolean onCreate() {
        return false;
    }
    @Nullable
    @Override
    public Cursor query(@NonNull Uri uri, @Nullable String[] projection, @Nullable String selection, @Nullable String[] selectionArgs, @Nullable String sortOrder) {
        return null;
    }
    @Nullable
    @Override
    public String getType(@NonNull Uri uri) {
        return null;
    }
    @Nullable
    @Override
    public Uri insert(@NonNull Uri uri, @Nullable ContentValues values) {
        return null;
    }
    @Override
    public int delete(@NonNull Uri uri, @Nullable String selection, @Nullable String[] selectionArgs) {
        return 0;
    }
    @Override
    public int update(@NonNull Uri uri, @Nullable ContentValues values, @Nullable String selection, @Nullable String[] selectionArgs) {
        return 0;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="kim.hsl.keep_progress_alive">
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
    <uses-permission
        android:name="android.permission.GET_ACCOUNTS"
        android:maxSdkVersion="22" />
    <uses-permission
        android:name="android.permission.AUTHENTICATE_ACCOUNTS"
        android:maxSdkVersion="22" />
    <uses-permission
        android:name="android.permission.WRITE_SYNC_SETTINGS"/>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.Keep_Progress_Alive">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <!--
            设置最近任务列表中不显示该 Activity 组件 ( 不要被用户察觉 )
            android:excludeFromRecents="true"
            设置 Activity 亲和性
            让该界面在一个独立的任务栈中 , 不要与本应用的其它任务栈放在一起
            避免解除锁屏后 , 关闭 1 像素界面 , 将整个任务栈都唤醒
            android:taskAffinity="kim.hsl.keep_progress_alive.alive"
        -->
        <activity
            android:name=".one_pixel_activity.OnePixelActivity"
            android:excludeFromRecents="true"
            android:taskAffinity="kim.hsl.keep_progress_alive.onepixel"
            android:theme="@style/OnePixelActivityTheme" />
        <!-- 用于提权的前台进程 -->
        <service
            android:name=".foreground_service.ForegroundService"
            android:enabled="true"
            android:exported="true" />
        <!-- 用于提权的前台进程, 关闭通知操作 -->
        <service
            android:name=".foreground_service.CancelNotificationService"
            android:enabled="true"
            android:exported="true" />
        <!-- 系统 Service 机制拉活 -->
        <service
            android:name=".stick_service.StickService"
            android:enabled="true"
            android:exported="true" />
        <!-- 用于账户同步拉活 -->
        <service
            android:name=".account_service.AuthenticationService"
            android:enabled="true"
            android:exported="true">
            <intent-filter>
                <action android:name="android.accounts.AccountAuthenticator" />
            </intent-filter>
            <meta-data
                android:name="android.accounts.AccountAuthenticator"
                android:resource="@xml/account_authenticator" />
        </service>
        <!-- 账户同步服务 -->
        <service
            android:name=".account_service.AccountSyncService"
            android:enabled="true"
            android:exported="true">
            <intent-filter>
                <action android:name="android.content.SyncAdapter" />
            </intent-filter>
            <meta-data
                android:name="android.content.SyncAdapter"
                android:resource="@xml/sync_adapter" />
        </service>
        <!-- 账户同步 ContentProvider -->
        <provider
            android:authorities="kim.hsl.keep_progress_alive.provider"
            android:name=".account_service.AccountSyncContentProvider" />
    </application>
</manifest>