Examples with DeadSystemException android.os.DeadSystemException used on opensource projects

Example 1 with DeadSystemException

use of android.os.DeadSystemException in project android_frameworks_base by ResurrectionRemix.

the class Log method printlns.

/**
     * Helper function for long messages. Uses the LineBreakBufferedWriter to break
     * up long messages and stacktraces along newlines, but tries to write in large
     * chunks. This is to avoid truncation.
     * @hide
     */
public static int printlns(int bufID, int priority, String tag, String msg, Throwable tr) {
    ImmediateLogWriter logWriter = new ImmediateLogWriter(bufID, priority, tag);
    // Acceptable buffer size. Get the native buffer size, subtract two zero terminators,
    // and the length of the tag.
    // Note: we implicitly accept possible truncation for Modified-UTF8 differences. It
    //       is too expensive to compute that ahead of time.
    int bufferSize = // Base.
    NoPreloadHolder.LOGGER_ENTRY_MAX_PAYLOAD - // Two terminators.
    2 - // Tag length.
    (tag != null ? tag.length() : 0) - // Some slack.
    32;
    // At least assume you can print *some* characters (tag is not too large).
    bufferSize = Math.max(bufferSize, 100);
    LineBreakBufferedWriter lbbw = new LineBreakBufferedWriter(logWriter, bufferSize);
    lbbw.println(msg);
    if (tr != null) {
        // This is to reduce the amount of log spew that apps do in the non-error
        // condition of the network being unavailable.
        Throwable t = tr;
        while (t != null) {
            if (t instanceof UnknownHostException) {
                break;
            }
            if (t instanceof DeadSystemException) {
                lbbw.println("DeadSystemException: The system died; " + "earlier logs will point to the root cause");
                break;
            }
            t = t.getCause();
        }
        if (t == null) {
            tr.printStackTrace(lbbw);
        }
    }
    lbbw.flush();
    return logWriter.getWritten();
}

Example 2 with DeadSystemException

use of android.os.DeadSystemException in project android_frameworks_base by ResurrectionRemix.

the class WallpaperManager method setResource.

/**
     * Version of {@link #setResource(int)} that allows the caller to specify which
     * of the supported wallpaper categories to set.
     *
     * @param resid The resource ID of the bitmap to be used as the wallpaper image
     * @param which Flags indicating which wallpaper(s) to configure with the new imagery
     *
     * @see #FLAG_LOCK
     * @see #FLAG_SYSTEM
     *
     * @return An integer ID assigned to the newly active wallpaper; or zero on failure.
     *
     * @throws IOException
     */
public int setResource(@RawRes int resid, @SetWallpaperFlags int which) throws IOException {
    if (sGlobals.mService == null) {
        Log.w(TAG, "WallpaperService not running");
        throw new RuntimeException(new DeadSystemException());
    }
    final Bundle result = new Bundle();
    final WallpaperSetCompletion completion = new WallpaperSetCompletion();
    try {
        Resources resources = mContext.getResources();
        /* Set the wallpaper to the default values */
        ParcelFileDescriptor fd = sGlobals.mService.setWallpaper("res:" + resources.getResourceName(resid), mContext.getOpPackageName(), null, false, result, which, completion, UserHandle.myUserId());
        if (fd != null) {
            FileOutputStream fos = null;
            boolean ok = false;
            try {
                fos = new ParcelFileDescriptor.AutoCloseOutputStream(fd);
                copyStreamToWallpaperFile(resources.openRawResource(resid), fos);
                // The 'close()' is the trigger for any server-side image manipulation,
                // so we must do that before waiting for completion.
                fos.close();
                completion.waitForCompletion();
            } finally {
                // Might be redundant but completion shouldn't wait unless the write
                // succeeded; this is a fallback if it threw past the close+wait.
                IoUtils.closeQuietly(fos);
            }
        }
    } catch (RemoteException e) {
        throw e.rethrowFromSystemServer();
    }
    return result.getInt(EXTRA_NEW_WALLPAPER_ID, 0);
}

Example 3 with DeadSystemException

use of android.os.DeadSystemException in project android_frameworks_base by ResurrectionRemix.

the class WallpaperManager method hasResourceWallpaper.

/**
     * Return whether any users are currently set to use the wallpaper
     * with the given resource ID.  That is, their wallpaper has been
     * set through {@link #setResource(int)} with the same resource id.
     */
public boolean hasResourceWallpaper(@RawRes int resid) {
    if (sGlobals.mService == null) {
        Log.w(TAG, "WallpaperService not running");
        throw new RuntimeException(new DeadSystemException());
    }
    try {
        Resources resources = mContext.getResources();
        String name = "res:" + resources.getResourceName(resid);
        return sGlobals.mService.hasNamedWallpaper(name);
    } catch (RemoteException e) {
        throw e.rethrowFromSystemServer();
    }
}

Example 4 with DeadSystemException

use of android.os.DeadSystemException in project android_frameworks_base by DirtyUnicorns.

the class WallpaperManager method hasResourceWallpaper.

/**
     * Return whether any users are currently set to use the wallpaper
     * with the given resource ID.  That is, their wallpaper has been
     * set through {@link #setResource(int)} with the same resource id.
     */
public boolean hasResourceWallpaper(@RawRes int resid) {
    if (sGlobals.mService == null) {
        Log.w(TAG, "WallpaperService not running");
        throw new RuntimeException(new DeadSystemException());
    }
    try {
        Resources resources = mContext.getResources();
        String name = "res:" + resources.getResourceName(resid);
        return sGlobals.mService.hasNamedWallpaper(name);
    } catch (RemoteException e) {
        throw e.rethrowFromSystemServer();
    }
}

Example 5 with DeadSystemException

use of android.os.DeadSystemException in project android_frameworks_base by DirtyUnicorns.

the class WallpaperManager method suggestDesiredDimensions.

/**
     * For use only by the current home application, to specify the size of
     * wallpaper it would like to use.  This allows such applications to have
     * a virtual wallpaper that is larger than the physical screen, matching
     * the size of their workspace.
     *
     * <p>Note developers, who don't seem to be reading this.  This is
     * for <em>home apps</em> to tell what size wallpaper they would like.
     * Nobody else should be calling this!  Certainly not other non-home
     * apps that change the wallpaper.  Those apps are supposed to
     * <b>retrieve</b> the suggested size so they can construct a wallpaper
     * that matches it.
     *
     * <p>This method requires the caller to hold the permission
     * {@link android.Manifest.permission#SET_WALLPAPER_HINTS}.
     *
     * @param minimumWidth Desired minimum width
     * @param minimumHeight Desired minimum height
     */
public void suggestDesiredDimensions(int minimumWidth, int minimumHeight) {
    try {
        /**
             * The framework makes no attempt to limit the window size
             * to the maximum texture size. Any window larger than this
             * cannot be composited.
             *
             * Read maximum texture size from system property and scale down
             * minimumWidth and minimumHeight accordingly.
             */
        int maximumTextureSize;
        try {
            maximumTextureSize = SystemProperties.getInt("sys.max_texture_size", 0);
        } catch (Exception e) {
            maximumTextureSize = 0;
        }
        if (maximumTextureSize > 0) {
            if ((minimumWidth > maximumTextureSize) || (minimumHeight > maximumTextureSize)) {
                float aspect = (float) minimumHeight / (float) minimumWidth;
                if (minimumWidth > minimumHeight) {
                    minimumWidth = maximumTextureSize;
                    minimumHeight = (int) ((minimumWidth * aspect) + 0.5);
                } else {
                    minimumHeight = maximumTextureSize;
                    minimumWidth = (int) ((minimumHeight / aspect) + 0.5);
                }
            }
        }
        if (sGlobals.mService == null) {
            Log.w(TAG, "WallpaperService not running");
            throw new RuntimeException(new DeadSystemException());
        } else {
            sGlobals.mService.setDimensionHints(minimumWidth, minimumHeight, mContext.getOpPackageName());
        }
    } catch (RemoteException e) {
        throw e.rethrowFromSystemServer();
    }
}