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Android 9.0自動更新 安裝包決議錯誤 java.lang.SecurityException: Permission Denial

2020-12-20 12:10:49 移動端開發

在android 9.0自動下載更新時 遇到 安裝包決議錯誤
在這里插入圖片描述
在android 7.0使用的是同一套框架卻沒有問題?
然后通過adb命令抓取一下例外發現

12-18 19:21:32.665  4804  5604 W InstallStaging: java.lang.SecurityException: Permission Denial: reading android.support.v4.content.FileProvider uri content://com.***.***.update_app.file_provider/download/update/***.apk from pid=4804, uid=1000 requires the provider be exported, or grantUriPermission()
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.os.Parcel.createException(Parcel.java:1950)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.os.Parcel.readException(Parcel.java:1918)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:183)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.database.DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(DatabaseUtils.java:146)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.content.ContentProviderProxy.openTypedAssetFile(ContentProviderNative.java:698)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.content.ContentResolver.openTypedAssetFileDescriptor(ContentResolver.java:1459)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:1296)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.content.ContentResolver.openInputStream(ContentResolver.java:1016)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at com.android.packageinstaller.InstallStaging$StagingAsyncTask.doInBackground(InstallStaging.java:167)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at com.android.packageinstaller.InstallStaging$StagingAsyncTask.doInBackground(InstallStaging.java:160)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.os.AsyncTask$2.call(AsyncTask.java:333)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
12-18 19:21:32.665  4804  5604 W InstallStaging: 	at java.lang.Thread.run(Thread.java:764)

發現Android9.0是需要權限讀取fileProvider和uri的
于是我看了一下三方框架的原始碼,確實沒有加權限

private Intent installIntent(Context context, String path) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.addCategory(Intent.CATEGORY_DEFAULT);
        String fileProviderAuthority = getFileProviderAuthority(context);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && null!= fileProviderAuthority) {
            Uri fileUri = FileProvider.getUriForFile(context, fileProviderAuthority, new File(path));
            intent.setDataAndType(fileUri, "application/vnd.android.package-archive");
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        } else {
            intent.setDataAndType(Uri.fromFile(new File(path)), "application/vnd.android.package-archive");
        }
        return intent;
    }

于是我就扒了一下原始碼對其進行修改

private Intent installIntent(Context context, String path) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.addCategory(Intent.CATEGORY_DEFAULT);
        String fileProviderAuthority = getFileProviderAuthority(context);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && null!= fileProviderAuthority) {
            Uri fileUri = FileProvider.getUriForFile(context, fileProviderAuthority, new File(path));
            intent.setDataAndType(fileUri, "application/vnd.android.package-archive");
            grantUriPermission(getPackageName(), fileUri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
        } else {
            intent.setDataAndType(Uri.fromFile(new File(path)), "application/vnd.android.package-archive");
        }
        return intent;
    }

測驗通過,完美安裝,沒有出現決議失敗問題

代碼:

		<!--AndroidManifest.xml-->
		<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
		<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
   	    <uses-permission android:name="android.permission.INTERNET"/>
		
		<provider
            android:name="android.support.v4.content.FileProvider"
            android:authorities="包名.file_provider"
            android:exported="false"
            android:grantUriPermissions="true">

            <!-- 元資料 -->
            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/file_paths"
                tools:replace="android:resource" />
        </provider> 
        
		<service android:name=".UpdateService"/>//從原始碼下載的升級下載安裝apk的服務
 <!-- file_paths.xml -->
<?xml version="1.0" encoding="utf-8"?>
<paths>
    <external-path path="." name="download" />
    <external-cache-path
        name="storage/emulated/0"
        path="." />
</paths>
/**
 * Created by Sun on 2020/12/19.
 */
public class UpdateService extends Service {
    public static final String TAG = "UpdateService";
    public static final String ACTION = "me.shenfan.UPDATE_APP";
    public static final String STATUS = "status";
    public static final String PROGRESS = "progress";
    public static boolean DEBUG = false;

    //下載大小通知頻率
    public static final int UPDATE_NUMBER_SIZE = 1;
    public static final int DEFAULT_RES_ID = -1;

    public static final int UPDATE_PROGRESS_STATUS = 0;
    public static final int UPDATE_ERROR_STATUS = -1;
    public static final int UPDATE_SUCCESS_STATUS = 1;

    //params
    private static final String URL = "downloadUrl";
    private static final String ICO_RES_ID = "icoResId";
    private static final String ICO_SMALL_RES_ID = "icoSmallResId";
    private static final String UPDATE_PROGRESS = "updateProgress";
    private static final String STORE_DIR = "storeDir";
    private static final String DOWNLOAD_NOTIFICATION_FLAG = "downloadNotificationFlag";
    private static final String DOWNLOAD_SUCCESS_NOTIFICATION_FLAG = "downloadSuccessNotificationFlag";
    private static final String DOWNLOAD_ERROR_NOTIFICATION_FLAG = "downloadErrorNotificationFlag";
    private static final String IS_SEND_BROADCAST = "isSendBroadcast";


    private String downloadUrl;
    private int icoResId;             //default app ico
    private int icoSmallResId;
    private int updateProgress;   //update notification progress when it add number
    private String storeDir;          //default sdcard/Android/package/update
    private int downloadNotificationFlag;
    private int downloadSuccessNotificationFlag;
    private int downloadErrorNotificationFlag;
    private boolean isSendBroadcast;

    private UpdateProgressListener updateProgressListener;
    private LocalBinder localBinder = new LocalBinder();

    /**
     * Class used for the client Binder.
     */
    public class LocalBinder extends Binder {
        /**
         * set update progress call back
         *
         * @param listener
         */
        public void setUpdateProgressListener(UpdateProgressListener listener) {
            UpdateService.this.setUpdateProgressListener(listener);
        }
    }


    private boolean startDownload;//開始下載
    private int lastProgressNumber;
    private NotificationCompat.Builder builder;
    private NotificationManager manager;
    private int notifyId;
    private String appName;
    private LocalBroadcastManager localBroadcastManager;
    private Intent localIntent;
    private DownloadApk downloadApkTask;

    /**
     * whether debug
     */
    public static void debug() {
        DEBUG = true;
    }

    private Intent installIntent(Context context, String path) {
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.addCategory(Intent.CATEGORY_DEFAULT);
        String fileProviderAuthority = getFileProviderAuthority(context);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && null!= fileProviderAuthority) {
            Uri fileUri = FileProvider.getUriForFile(context, fileProviderAuthority, new File(path));
            intent.setDataAndType(fileUri, "application/vnd.android.package-archive");
            grantUriPermission(getPackageName(), fileUri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            intent.addFlags(Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION);
        } else {
            intent.setDataAndType(Uri.fromFile(new File(path)), "application/vnd.android.package-archive");
        }
        return intent;
    }

    /**
     * 獲取FileProvider的auth
     */
    private static String getFileProviderAuthority(Context context) {
        try {
            for (ProviderInfo provider : context.getPackageManager().getPackageInfo(context.getPackageName(), PackageManager.GET_PROVIDERS).providers) {
                if (FileProvider.class.getName().equals(provider.name) && provider.authority.endsWith(".update_app.file_provider")) {
                    return provider.authority;
                }
            }
        } catch (PackageManager.NameNotFoundException ignore) {
        }
        return null;
    }

    private static Intent webLauncher(String downloadUrl) {
        Uri download = Uri.parse(downloadUrl);
        Intent intent = new Intent(Intent.ACTION_VIEW, download);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        return intent;
    }

    private static String getSaveFileName(String downloadUrl) {
        if (downloadUrl == null || TextUtils.isEmpty(downloadUrl)) {
            return System.currentTimeMillis() + ".apk";
        }
        return downloadUrl.substring(downloadUrl.lastIndexOf("/"));
    }

    private static File getDownloadDir(UpdateService service) {
        File downloadDir = null;
        if (Environment.getExternalStorageState().equals(
                Environment.MEDIA_MOUNTED)) {
            if (service.storeDir != null) {
                downloadDir = new File(Environment.getExternalStorageDirectory(), service.storeDir);
            } else {
                downloadDir = new File(service.getExternalCacheDir(), "update");
            }
        } else {
            downloadDir = new File(service.getCacheDir(), "update");
        }
        if (!downloadDir.exists()) {
            downloadDir.mkdirs();
        }
        return downloadDir;
    }


    @Override
    public void onCreate() {
        super.onCreate();
        appName = getApplicationName();
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        if (!startDownload && intent != null) {
            startDownload = true;
            downloadUrl = intent.getStringExtra(URL);
            icoResId = intent.getIntExtra(ICO_RES_ID, DEFAULT_RES_ID);
            icoSmallResId = intent.getIntExtra(ICO_SMALL_RES_ID, DEFAULT_RES_ID);
            storeDir = intent.getStringExtra(STORE_DIR);
            updateProgress = intent.getIntExtra(UPDATE_PROGRESS, UPDATE_NUMBER_SIZE);
            downloadNotificationFlag = intent.getIntExtra(DOWNLOAD_NOTIFICATION_FLAG, 0);
            downloadErrorNotificationFlag = intent.getIntExtra(DOWNLOAD_ERROR_NOTIFICATION_FLAG, 0);
            downloadSuccessNotificationFlag = intent.getIntExtra(DOWNLOAD_SUCCESS_NOTIFICATION_FLAG, 0);
            isSendBroadcast = intent.getBooleanExtra(IS_SEND_BROADCAST, false);


            if (DEBUG) {
                Log.d(TAG, "downloadUrl: " + downloadUrl);
                Log.d(TAG, "icoResId: " + icoResId);
                Log.d(TAG, "icoSmallResId: " + icoSmallResId);
                Log.d(TAG, "storeDir: " + storeDir);
                Log.d(TAG, "updateProgress: " + updateProgress);
                Log.d(TAG, "downloadNotificationFlag: " + downloadNotificationFlag);
                Log.d(TAG, "downloadErrorNotificationFlag: " + downloadErrorNotificationFlag);
                Log.d(TAG, "downloadSuccessNotificationFlag: " + downloadSuccessNotificationFlag);
                Log.d(TAG, "isSendBroadcast: " + isSendBroadcast);
            }

            notifyId = startId;
            buildNotification();
            buildBroadcast();
            downloadApkTask = new DownloadApk(this);
            downloadApkTask.execute(downloadUrl);
        }
        return super.onStartCommand(intent, flags, startId);
    }

    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return localBinder;
    }

    @Override
    public boolean onUnbind(Intent intent) {
        return true;
    }

    public void setUpdateProgressListener(UpdateProgressListener updateProgressListener) {
        this.updateProgressListener = updateProgressListener;
    }

    @Override
    public void onDestroy() {
        if (downloadApkTask != null) {
            downloadApkTask.cancel(true);
        }

        if (updateProgressListener != null) {
            updateProgressListener = null;
        }
        localIntent = null;
        builder = null;

        super.onDestroy();
    }

    public String getApplicationName() {
        PackageManager packageManager = null;
        ApplicationInfo applicationInfo = null;
        try {
            packageManager = getApplicationContext().getPackageManager();
            applicationInfo = packageManager.getApplicationInfo(getPackageName(), 0);
        } catch (PackageManager.NameNotFoundException e) {
            applicationInfo = null;
        }
        String applicationName =
                (String) packageManager.getApplicationLabel(applicationInfo);
        return applicationName;
    }

    private void buildBroadcast() {
        if (!isSendBroadcast) {
            return;
        }
        localBroadcastManager = LocalBroadcastManager.getInstance(this);
        localIntent = new Intent(ACTION);
    }

    private void sendLocalBroadcast(int status, int progress) {
        if (!isSendBroadcast || localIntent == null) {
            return;
        }
        localIntent.putExtra(STATUS, status);
        localIntent.putExtra(PROGRESS, progress);
        localBroadcastManager.sendBroadcast(localIntent);
    }

    private void buildNotification() {
        manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
        builder = new NotificationCompat.Builder(this);
        builder.setContentTitle(getString(R.string.update_app_model_prepare, appName))
                .setWhen(System.currentTimeMillis())
                .setProgress(100, 1, false)
                .setSmallIcon(icoSmallResId)
                .setLargeIcon(BitmapFactory.decodeResource(
                        getResources(), icoResId))
                .setDefaults(downloadNotificationFlag);

        manager.notify(notifyId, builder.build());
    }

    private void start() {
        builder.setContentTitle(appName);
        builder.setContentText(getString(R.string.update_app_model_progress, 1, "%"));
        //setChannelId 必須添加否則不能在通知欄顯示(Android 8.0)
        builder.setChannelId(getPackageName());
        manager.notify(notifyId, builder.build());
        sendLocalBroadcast(UPDATE_PROGRESS_STATUS, 1);
        if (updateProgressListener != null) {
            updateProgressListener.start();
        }
    }

    /**
     * @param progress download percent , max 100
     */
    private void update(int progress) {
        if (progress - lastProgressNumber > updateProgress) {
            lastProgressNumber = progress;
            builder.setProgress(100, progress, false);
            builder.setContentText(getString(R.string.update_app_model_progress, progress, "%"));
            manager.notify(notifyId, builder.build());
            sendLocalBroadcast(UPDATE_PROGRESS_STATUS, progress);
            if (updateProgressListener != null) {
                updateProgressListener.update(progress);
            }
        }
    }

    private void success(String path) {
        builder.setProgress(0, 0, false);
        builder.setContentText(getString(R.string.update_app_model_success));
        Intent i = installIntent(this, path);
        PendingIntent intent = PendingIntent.getActivity(this, 0, i, PendingIntent.FLAG_UPDATE_CURRENT);
        builder.setContentIntent(intent);
        builder.setDefaults(downloadSuccessNotificationFlag);
        Notification n = builder.build();
        n.contentIntent = intent;
        manager.notify(notifyId, n);
        sendLocalBroadcast(UPDATE_SUCCESS_STATUS, 100);
        if (updateProgressListener != null) {
            updateProgressListener.success();
        }
        startActivity(i);
        stopSelf();
    }

    private void error() {
        Intent i = webLauncher(downloadUrl);
        PendingIntent intent = PendingIntent.getActivity(this, 0, i,
                PendingIntent.FLAG_UPDATE_CURRENT);
        builder.setContentText(getString(R.string.update_app_model_error));
        builder.setContentIntent(intent);
        builder.setProgress(0, 0, false);
        builder.setDefaults(downloadErrorNotificationFlag);
        Notification n = builder.build();
        n.contentIntent = intent;
        manager.notify(notifyId, n);
        sendLocalBroadcast(UPDATE_ERROR_STATUS, -1);
        if (updateProgressListener != null) {
            updateProgressListener.error();
        }
        stopSelf();
    }

    private static class DownloadApk extends AsyncTask<String, Integer, String> {

        private WeakReference<UpdateService> updateServiceWeakReference;

        public DownloadApk(UpdateService service) {
            updateServiceWeakReference = new WeakReference<>(service);
        }

        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            UpdateService service = updateServiceWeakReference.get();
            if (service != null) {
                service.start();
            }
        }

        @Override
        protected String doInBackground(String... params) {

            final String downloadUrl = params[0];

            final File file = new File(UpdateService.getDownloadDir(updateServiceWeakReference.get()),
                    UpdateService.getSaveFileName(downloadUrl));
            if (DEBUG) {
                Log.d(TAG, "download url is " + downloadUrl);
                Log.d(TAG, "download apk cache at " + file.getAbsolutePath());
            }
            File dir = file.getParentFile();
            if (!dir.exists()) {
                dir.mkdirs();
            }

            HttpURLConnection httpConnection = null;
            InputStream is = null;
            FileOutputStream fos = null;
            int updateTotalSize = 0;
            URL url;
            try {
                url = new URL(downloadUrl);
                httpConnection = (HttpURLConnection) url.openConnection();
                httpConnection.setConnectTimeout(20000);
                httpConnection.setReadTimeout(20000);

                if (DEBUG) {
                    Log.d(TAG, "download status code: " + httpConnection.getResponseCode());
                }

                if (httpConnection.getResponseCode() != 200) {
                    return null;
                }

                updateTotalSize = httpConnection.getContentLength();

                if (file.exists()) {
                    if (updateTotalSize == file.length()) {
                        // 下載完成
                        return file.getAbsolutePath();
                    } else {
                        file.delete();
                    }
                }
                file.createNewFile();
                is = httpConnection.getInputStream();
                fos = new FileOutputStream(file, false);
                byte buffer[] = new byte[4096];

                int readSize = 0;
                int currentSize = 0;

                while ((readSize = is.read(buffer)) > 0) {
                    fos.write(buffer, 0, readSize);
                    currentSize += readSize;
                    publishProgress((currentSize * 100 / updateTotalSize));
                }
                // download success
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            } finally {
                if (httpConnection != null) {
                    httpConnection.disconnect();
                }
                if (is != null) {
                    try {
                        is.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
                if (fos != null) {
                    try {
                        fos.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
            return file.getAbsolutePath();
        }

        @Override
        protected void onProgressUpdate(Integer... values) {
            super.onProgressUpdate(values);
            if (DEBUG) {
                Log.d(TAG, "current progress is " + values[0]);
            }
            UpdateService service = updateServiceWeakReference.get();
            if (service != null) {
                service.update(values[0]);
            }
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            UpdateService service = updateServiceWeakReference.get();
            if (service != null) {
                if (s != null) {
                    service.success(s);
                } else {
                    service.error();
                }
            }
        }
    }


    /**
     * a builder class helper use UpdateService
     */
    public static class Builder {

        private String downloadUrl;
        private int icoResId = DEFAULT_RES_ID;             //default app ico
        private int icoSmallResId = DEFAULT_RES_ID;
        private int updateProgress = UPDATE_NUMBER_SIZE;   //update notification progress when it add number
        private String storeDir;          //default sdcard/Android/package/update
        private int downloadNotificationFlag;
        private int downloadSuccessNotificationFlag;
        private int downloadErrorNotificationFlag;
        private boolean isSendBroadcast;

        protected Builder(String downloadUrl) {
            this.downloadUrl = downloadUrl;
        }

        public static Builder create(String downloadUrl) {
            if (downloadUrl == null) {
                throw new NullPointerException("downloadUrl == null");
            }
            return new Builder(downloadUrl);
        }

        public String getDownloadUrl() {
            return downloadUrl;
        }

        public int getIcoResId() {
            return icoResId;
        }

        public Builder setIcoResId(int icoResId) {
            this.icoResId = icoResId;
            return this;
        }

        public int getIcoSmallResId() {
            return icoSmallResId;
        }

        public Builder setIcoSmallResId(int icoSmallResId) {
            this.icoSmallResId = icoSmallResId;
            return this;
        }

        public int getUpdateProgress() {
            return updateProgress;
        }

        public Builder setUpdateProgress(int updateProgress) {
            if (updateProgress < 1) {
                throw new IllegalArgumentException("updateProgress < 1");
            }
            this.updateProgress = updateProgress;
            return this;
        }

        public String getStoreDir() {
            return storeDir;
        }

        public Builder setStoreDir(String storeDir) {
            this.storeDir = storeDir;
            return this;
        }

        public int getDownloadNotificationFlag() {
            return downloadNotificationFlag;
        }

        public Builder setDownloadNotificationFlag(int downloadNotificationFlag) {
            this.downloadNotificationFlag = downloadNotificationFlag;
            return this;
        }

        public int getDownloadSuccessNotificationFlag() {
            return downloadSuccessNotificationFlag;
        }

        public Builder setDownloadSuccessNotificationFlag(int downloadSuccessNotificationFlag) {
            this.downloadSuccessNotificationFlag = downloadSuccessNotificationFlag;
            return this;
        }

        public int getDownloadErrorNotificationFlag() {
            return downloadErrorNotificationFlag;
        }

        public Builder setDownloadErrorNotificationFlag(int downloadErrorNotificationFlag) {
            this.downloadErrorNotificationFlag = downloadErrorNotificationFlag;
            return this;
        }

        public boolean isSendBroadcast() {
            return isSendBroadcast;
        }

        public Builder setIsSendBroadcast(boolean isSendBroadcast) {
            this.isSendBroadcast = isSendBroadcast;
            return this;
        }

        public Builder build(Context context) {
            if (context == null) {
                throw new NullPointerException("context == null");
            }
            Intent intent = new Intent();
            intent.setClass(context, UpdateService.class);
            intent.putExtra(URL, downloadUrl);

            if (icoResId == DEFAULT_RES_ID) {
                icoResId = getIcon(context);
            }

            if (icoSmallResId == DEFAULT_RES_ID) {
                icoSmallResId = icoResId;
            }
            intent.putExtra(ICO_RES_ID, icoResId);
            intent.putExtra(STORE_DIR, storeDir);
            intent.putExtra(ICO_SMALL_RES_ID, icoSmallResId);
            intent.putExtra(UPDATE_PROGRESS, updateProgress);
            intent.putExtra(DOWNLOAD_NOTIFICATION_FLAG, downloadNotificationFlag);
            intent.putExtra(DOWNLOAD_SUCCESS_NOTIFICATION_FLAG, downloadSuccessNotificationFlag);
            intent.putExtra(DOWNLOAD_ERROR_NOTIFICATION_FLAG, downloadErrorNotificationFlag);
            intent.putExtra(IS_SEND_BROADCAST, isSendBroadcast);
            context.startService(intent);

            return this;
        }

        private int getIcon(Context context) {

            final PackageManager packageManager = context.getPackageManager();
            ApplicationInfo appInfo = null;
            try {
                appInfo = packageManager.getApplicationInfo(context.getPackageName(), PackageManager.GET_META_DATA);
            } catch (PackageManager.NameNotFoundException e) {
                e.printStackTrace();
            }
            if (appInfo != null) {
                return appInfo.icon;
            }
            return 0;
        }
    }

}

/**
 * 下載回呼
 */
public interface UpdateProgressListener {
    /**
     * download start
     */
     void start();

    /**
     * update download progress
     * @param progress
     */
     void update(int progress);

    /**
     * download success
     */
     void success();

    /**
     * download error
     */
     void error();
}

			UpdateService.Builder.create("服務器給的下載路徑")
                                 .setStoreDir("下載路徑")//default sdcard/Android/package/update
               				     .setIsSendBroadcast(true)
                                 .setIcoResId(android.R.drawable.ic_notification_clear_all)
                                 .setIcoSmallResId(android.R.drawable.ic_notification_overlay)
                                 .build(context);

三方框架原始碼地址

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    一. 問題描述 使用華為推送服務下發IM訊息時,下發訊息請求成功且code碼為80000000,但是手機總是收不到訊息; 在華為推送自助分析(Beta)平臺查看發現,訊息發送觸發了頻控。 二. 問題原因及背景 2023年1月05日起,華為推送服務對咨詢營銷類訊息做了單個設備每日推送數量上限管理,具體 ......

    uj5u.com 2023-04-20 08:39:13 more
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    FIDE 開發者工具重構升級啦!實作500%性能提升,誠邀體驗! 一直以來不少開發者朋友在社區反饋,在使用 FIDE 工具的程序中,時常會遇到諸如加載不及時、代碼預覽/渲染性能不如意的情況,十分影響開發體驗。 作為技術團隊,我們深知一件趁手的開發工具對開發者的重要性,因此,在2023年開年,FinC ......

    uj5u.com 2023-04-19 09:16:15 more
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    華為 HMS Core 游戲內嵌社區服務提供快速訪問華為游戲中心論壇能力,支持玩家直接在游戲內瀏覽帖子和交流互動,助力開發者擴展內容生產和觸達的場景。 一、為什么要游戲內嵌社區? 二、游戲內嵌社區的典型使用場景 1、游戲內打開論壇 您可以在游戲內繪制論壇入口,為玩家提供沉浸式發帖、瀏覽、點贊、回帖、 ......

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  • iOS從UI記憶體地址到讀取成員變數(oc/swift)

    開發除錯時,我們發現bug時常首先是從UI顯示發現例外,下一步才會去定位UI相關連的資料的。XCode有給我們提供一系列debug工具,但是很多人可能還沒有形成一套穩定的除錯流程,因此本文嘗試解決這個問題,順便提出一個暴論:UI顯示例外問題只需要兩個步驟就能完成定位作業的80%: 定位例外 UI 組 ......

    uj5u.com 2023-04-19 09:14:53 more
  • FIDE重磅更新!性能飛躍!體驗有禮!

    FIDE 開發者工具重構升級啦!實作500%性能提升,誠邀體驗! 一直以來不少開發者朋友在社區反饋,在使用 FIDE 工具的程序中,時常會遇到諸如加載不及時、代碼預覽/渲染性能不如意的情況,十分影響開發體驗。 作為技術團隊,我們深知一件趁手的開發工具對開發者的重要性,因此,在2023年開年,FinC ......

    uj5u.com 2023-04-19 09:14:08 more
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    華為 HMS Core 游戲內嵌社區服務提供快速訪問華為游戲中心論壇能力,支持玩家直接在游戲內瀏覽帖子和交流互動,助力開發者擴展內容生產和觸達的場景。 一、為什么要游戲內嵌社區? 二、游戲內嵌社區的典型使用場景 1、游戲內打開論壇 您可以在游戲內繪制論壇入口,為玩家提供沉浸式發帖、瀏覽、點贊、回帖、 ......

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