Examples with SystemApi android.annotation.SystemApi used on opensource projects

Example 66 with SystemApi

use of android.annotation.SystemApi in project android_frameworks_base by DirtyUnicorns.

the class NotificationListenerService method registerAsSystemService.

/**
     * Directly register this service with the Notification Manager.
     *
     * <p>Only system services may use this call. It will fail for non-system callers.
     * Apps should ask the user to add their listener in Settings.
     *
     * @param context Context required for accessing resources. Since this service isn't
     *    launched as a real Service when using this method, a context has to be passed in.
     * @param componentName the component that will consume the notification information
     * @param currentUser the user to use as the stream filter
     * @hide
     */
@SystemApi
public void registerAsSystemService(Context context, ComponentName componentName, int currentUser) throws RemoteException {
    if (mWrapper == null) {
        mWrapper = new NotificationListenerWrapper();
    }
    mSystemContext = context;
    INotificationManager noMan = getNotificationInterface();
    mHandler = new MyHandler(context.getMainLooper());
    mCurrentUser = currentUser;
    noMan.registerListener(mWrapper, componentName, currentUser);
}

Example 67 with SystemApi

use of android.annotation.SystemApi in project android_frameworks_base by DirtyUnicorns.

the class NotificationListenerService method unregisterAsSystemService.

/**
     * Directly unregister this service from the Notification Manager.
     *
     * <p>This method will fail for listeners that were not registered
     * with (@link registerAsService).
     * @hide
     */
@SystemApi
public void unregisterAsSystemService() throws RemoteException {
    if (mWrapper != null) {
        INotificationManager noMan = getNotificationInterface();
        noMan.unregisterListener(mWrapper, mCurrentUser);
    }
}

Example 68 with SystemApi

use of android.annotation.SystemApi in project android_frameworks_base by DirtyUnicorns.

the class AudioPolicy method createAudioRecordSink.

/**
     * Create an {@link AudioRecord} instance that is associated with the given {@link AudioMix}.
     * Audio buffers recorded through the created instance will contain the mix of the audio
     * streams that fed the given mixer.
     * @param mix a non-null {@link AudioMix} instance whose routing flags was defined with
     *     {@link AudioMix#ROUTE_FLAG_LOOP_BACK}, previously added to this policy.
     * @return a new {@link AudioRecord} instance whose data format is the one defined in the
     *     {@link AudioMix}, or null if this policy was not successfully registered
     *     with {@link AudioManager#registerAudioPolicy(AudioPolicy)}.
     * @throws IllegalArgumentException
     */
@SystemApi
public AudioRecord createAudioRecordSink(AudioMix mix) throws IllegalArgumentException {
    if (!policyReadyToUse()) {
        Log.e(TAG, "Cannot create AudioRecord sink for AudioMix");
        return null;
    }
    checkMixReadyToUse(mix, false);
    // create an AudioFormat from the mix format compatible with recording, as the mix
    // was defined for playback
    AudioFormat mixFormat = new AudioFormat.Builder(mix.getFormat()).setChannelMask(AudioFormat.inChannelMaskFromOutChannelMask(mix.getFormat().getChannelMask())).build();
    // create the AudioRecord, configured for loop back, using the same format as the mix
    AudioRecord ar = new AudioRecord(new AudioAttributes.Builder().setInternalCapturePreset(MediaRecorder.AudioSource.REMOTE_SUBMIX).addTag(addressForTag(mix)).build(), mixFormat, AudioRecord.getMinBufferSize(mix.getFormat().getSampleRate(), // using stereo for buffer size to avoid the current poor support for masks
    AudioFormat.CHANNEL_IN_STEREO, mix.getFormat().getEncoding()), AudioManager.AUDIO_SESSION_ID_GENERATE);
    return ar;
}

Example 69 with SystemApi

use of android.annotation.SystemApi in project android_frameworks_base by AOSPA.

the class AudioPolicy method createAudioTrackSource.

/**
     * Create an {@link AudioTrack} instance that is associated with the given {@link AudioMix}.
     * Audio buffers played through the created instance will be sent to the given mix
     * to be recorded through the recording APIs.
     * @param mix a non-null {@link AudioMix} instance whose routing flags was defined with
     *     {@link AudioMix#ROUTE_FLAG_LOOP_BACK}, previously added to this policy.
     * @return a new {@link AudioTrack} instance whose data format is the one defined in the
     *     {@link AudioMix}, or null if this policy was not successfully registered
     *     with {@link AudioManager#registerAudioPolicy(AudioPolicy)}.
     * @throws IllegalArgumentException
     */
@SystemApi
public AudioTrack createAudioTrackSource(AudioMix mix) throws IllegalArgumentException {
    if (!policyReadyToUse()) {
        Log.e(TAG, "Cannot create AudioTrack source for AudioMix");
        return null;
    }
    checkMixReadyToUse(mix, true);
    // create the AudioTrack, configured for loop back, using the same format as the mix
    AudioTrack at = new AudioTrack(new AudioAttributes.Builder().setUsage(AudioAttributes.USAGE_VIRTUAL_SOURCE).addTag(addressForTag(mix)).build(), mix.getFormat(), AudioTrack.getMinBufferSize(mix.getFormat().getSampleRate(), mix.getFormat().getChannelMask(), mix.getFormat().getEncoding()), AudioTrack.MODE_STREAM, AudioManager.AUDIO_SESSION_ID_GENERATE);
    return at;
}

Example 70 with SystemApi

use of android.annotation.SystemApi in project android_frameworks_base by AOSPA.

the class RecoverySystem method installPackage.

/**
     * If the package hasn't been processed (i.e. uncrypt'd), set up
     * UNCRYPT_PACKAGE_FILE and delete BLOCK_MAP_FILE to trigger uncrypt during the
     * reboot.
     *
     * @param context      the Context to use
     * @param packageFile  the update package to install.  Must be on a
     * partition mountable by recovery.
     * @param processed    if the package has been processed (uncrypt'd).
     *
     * @throws IOException if writing the recovery command file fails, or if
     * the reboot itself fails.
     *
     * @hide
     */
@SystemApi
public static void installPackage(Context context, File packageFile, boolean processed) throws IOException {
    synchronized (sRequestLock) {
        LOG_FILE.delete();
        // Must delete the file in case it was created by system server.
        UNCRYPT_PACKAGE_FILE.delete();
        String filename = packageFile.getCanonicalPath();
        Log.w(TAG, "!!! REBOOTING TO INSTALL " + filename + " !!!");
        // If the package name ends with "_s.zip", it's a security update.
        boolean securityUpdate = filename.endsWith("_s.zip");
        // been done in 'processed' parameter.
        if (filename.startsWith("/data/")) {
            if (processed) {
                if (!BLOCK_MAP_FILE.exists()) {
                    Log.e(TAG, "Package claimed to have been processed but failed to find " + "the block map file.");
                    throw new IOException("Failed to find block map file");
                }
            } else {
                FileWriter uncryptFile = new FileWriter(UNCRYPT_PACKAGE_FILE);
                try {
                    uncryptFile.write(filename + "\n");
                } finally {
                    uncryptFile.close();
                }
                // by system server.
                if (!UNCRYPT_PACKAGE_FILE.setReadable(true, false) || !UNCRYPT_PACKAGE_FILE.setWritable(true, false)) {
                    Log.e(TAG, "Error setting permission for " + UNCRYPT_PACKAGE_FILE);
                }
                BLOCK_MAP_FILE.delete();
            }
            // If the package is on the /data partition, use the block map
            // file as the package name instead.
            filename = "@/cache/recovery/block.map";
        }
        final String filenameArg = "--update_package=" + filename + "\n";
        final String localeArg = "--locale=" + Locale.getDefault().toString() + "\n";
        final String securityArg = "--security\n";
        String command = filenameArg + localeArg;
        if (securityUpdate) {
            command += securityArg;
        }
        RecoverySystem rs = (RecoverySystem) context.getSystemService(Context.RECOVERY_SERVICE);
        if (!rs.setupBcb(command)) {
            throw new IOException("Setup BCB failed");
        }
        // Having set up the BCB (bootloader control block), go ahead and reboot
        PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
        pm.reboot(PowerManager.REBOOT_RECOVERY_UPDATE);
        throw new IOException("Reboot failed (no permissions?)");
    }
}