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

Example 31 with DeadSystemException

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

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();
    }
}

Example 32 with DeadSystemException

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

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 33 with DeadSystemException

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

the class WallpaperManager method getBuiltInDrawable.

/**
     * Returns a drawable for the built-in static wallpaper of the specified type.  Based on the
     * parameters, the drawable can be cropped and scaled.
     *
     * @param outWidth The width of the returned drawable
     * @param outWidth The height of the returned drawable
     * @param scaleToFit If true, scale the wallpaper down rather than just cropping it
     * @param horizontalAlignment A float value between 0 and 1 specifying where to crop the image;
     *        0 for left-aligned, 0.5 for horizontal center-aligned, and 1 for right-aligned
     * @param verticalAlignment A float value between 0 and 1 specifying where to crop the image;
     *        0 for top-aligned, 0.5 for vertical center-aligned, and 1 for bottom-aligned
     * @param which The {@code FLAG_*} identifier of a valid wallpaper type.  Throws
     *     IllegalArgumentException if an invalid wallpaper is requested.
     * @return A Drawable presenting the built-in default wallpaper image of the given type,
     *        or {@code null} if no default image of that type is defined on this device.
     */
public Drawable getBuiltInDrawable(int outWidth, int outHeight, boolean scaleToFit, float horizontalAlignment, float verticalAlignment, @SetWallpaperFlags int which) {
    if (sGlobals.mService == null) {
        Log.w(TAG, "WallpaperService not running");
        throw new RuntimeException(new DeadSystemException());
    }
    if (which != FLAG_SYSTEM && which != FLAG_LOCK) {
        throw new IllegalArgumentException("Must request exactly one kind of wallpaper");
    }
    Resources resources = mContext.getResources();
    horizontalAlignment = Math.max(0, Math.min(1, horizontalAlignment));
    verticalAlignment = Math.max(0, Math.min(1, verticalAlignment));
    InputStream wpStream = openDefaultWallpaper(mContext, which);
    if (wpStream == null) {
        if (DEBUG) {
            Log.w(TAG, "default wallpaper stream " + which + " is null");
        }
        return null;
    } else {
        InputStream is = new BufferedInputStream(wpStream);
        if (outWidth <= 0 || outHeight <= 0) {
            Bitmap fullSize = BitmapFactory.decodeStream(is, null, null);
            return new BitmapDrawable(resources, fullSize);
        } else {
            int inWidth;
            int inHeight;
            // Just measure this time through...
            {
                BitmapFactory.Options options = new BitmapFactory.Options();
                options.inJustDecodeBounds = true;
                BitmapFactory.decodeStream(is, null, options);
                if (options.outWidth != 0 && options.outHeight != 0) {
                    inWidth = options.outWidth;
                    inHeight = options.outHeight;
                } else {
                    Log.e(TAG, "default wallpaper dimensions are 0");
                    return null;
                }
            }
            // Reopen the stream to do the full decode.  We know at this point
            // that openDefaultWallpaper() will return non-null.
            is = new BufferedInputStream(openDefaultWallpaper(mContext, which));
            RectF cropRectF;
            outWidth = Math.min(inWidth, outWidth);
            outHeight = Math.min(inHeight, outHeight);
            if (scaleToFit) {
                cropRectF = getMaxCropRect(inWidth, inHeight, outWidth, outHeight, horizontalAlignment, verticalAlignment);
            } else {
                float left = (inWidth - outWidth) * horizontalAlignment;
                float right = left + outWidth;
                float top = (inHeight - outHeight) * verticalAlignment;
                float bottom = top + outHeight;
                cropRectF = new RectF(left, top, right, bottom);
            }
            Rect roundedTrueCrop = new Rect();
            cropRectF.roundOut(roundedTrueCrop);
            if (roundedTrueCrop.width() <= 0 || roundedTrueCrop.height() <= 0) {
                Log.w(TAG, "crop has bad values for full size image");
                return null;
            }
            // See how much we're reducing the size of the image
            int scaleDownSampleSize = Math.min(roundedTrueCrop.width() / outWidth, roundedTrueCrop.height() / outHeight);
            // Attempt to open a region decoder
            BitmapRegionDecoder decoder = null;
            try {
                decoder = BitmapRegionDecoder.newInstance(is, true);
            } catch (IOException e) {
                Log.w(TAG, "cannot open region decoder for default wallpaper");
            }
            Bitmap crop = null;
            if (decoder != null) {
                // Do region decoding to get crop bitmap
                BitmapFactory.Options options = new BitmapFactory.Options();
                if (scaleDownSampleSize > 1) {
                    options.inSampleSize = scaleDownSampleSize;
                }
                crop = decoder.decodeRegion(roundedTrueCrop, options);
                decoder.recycle();
            }
            if (crop == null) {
                // BitmapRegionDecoder has failed, try to crop in-memory. We know at
                // this point that openDefaultWallpaper() will return non-null.
                is = new BufferedInputStream(openDefaultWallpaper(mContext, which));
                Bitmap fullSize = null;
                BitmapFactory.Options options = new BitmapFactory.Options();
                if (scaleDownSampleSize > 1) {
                    options.inSampleSize = scaleDownSampleSize;
                }
                fullSize = BitmapFactory.decodeStream(is, null, options);
                if (fullSize != null) {
                    crop = Bitmap.createBitmap(fullSize, roundedTrueCrop.left, roundedTrueCrop.top, roundedTrueCrop.width(), roundedTrueCrop.height());
                }
            }
            if (crop == null) {
                Log.w(TAG, "cannot decode default wallpaper");
                return null;
            }
            // Scale down if necessary
            if (outWidth > 0 && outHeight > 0 && (crop.getWidth() != outWidth || crop.getHeight() != outHeight)) {
                Matrix m = new Matrix();
                RectF cropRect = new RectF(0, 0, crop.getWidth(), crop.getHeight());
                RectF returnRect = new RectF(0, 0, outWidth, outHeight);
                m.setRectToRect(cropRect, returnRect, Matrix.ScaleToFit.FILL);
                Bitmap tmp = Bitmap.createBitmap((int) returnRect.width(), (int) returnRect.height(), Bitmap.Config.ARGB_8888);
                if (tmp != null) {
                    Canvas c = new Canvas(tmp);
                    Paint p = new Paint();
                    p.setFilterBitmap(true);
                    c.drawBitmap(crop, m, p);
                    crop = tmp;
                }
            }
            return new BitmapDrawable(resources, crop);
        }
    }
}

Example 34 with DeadSystemException

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

the class WallpaperManager method setStream.

/**
     * Version of {@link #setStream(InputStream, Rect, boolean)} that allows the caller
     * to specify which of the supported wallpaper categories to set.
     *
     * @param bitmapData A stream containing the raw data to install as a wallpaper.  This
     *     data can be in any format handled by {@link BitmapRegionDecoder}.
     * @param visibleCropHint The rectangular subregion of the streamed image that should be
     *     displayed as wallpaper.  Passing {@code null} for this parameter means that
     *     the full image should be displayed if possible given the image's and device's
     *     aspect ratios, etc.
     * @param allowBackup {@code true} if the OS is permitted to back up this wallpaper
     *     image for restore to a future device; {@code false} otherwise.
     * @param which Flags indicating which wallpaper(s) to configure with the new imagery.
     * @return An integer ID assigned to the newly active wallpaper; or zero on failure.
     *
     * @see #getWallpaperId(int)
     * @see #FLAG_LOCK
     * @see #FLAG_SYSTEM
     *
     * @throws IOException
     */
public int setStream(InputStream bitmapData, Rect visibleCropHint, boolean allowBackup, @SetWallpaperFlags int which) throws IOException {
    validateRect(visibleCropHint);
    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 {
        ParcelFileDescriptor fd = sGlobals.mService.setWallpaper(null, mContext.getOpPackageName(), visibleCropHint, allowBackup, result, which, completion, UserHandle.myUserId());
        if (fd != null) {
            FileOutputStream fos = null;
            try {
                fos = new ParcelFileDescriptor.AutoCloseOutputStream(fd);
                copyStreamToWallpaperFile(bitmapData, fos);
                fos.close();
                completion.waitForCompletion();
            } finally {
                IoUtils.closeQuietly(fos);
            }
        }
    } catch (RemoteException e) {
        throw e.rethrowFromSystemServer();
    }
    return result.getInt(EXTRA_NEW_WALLPAPER_ID, 0);
}

Example 35 with DeadSystemException

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

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();
}