/** Create a drawable from an inputstream */
public static Drawable createFromStream(InputStream is, String srcName) {
Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, srcName != null ? srcName : "Unknown drawable");
try {
return createFromResourceStream(null, null, is, srcName);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
}
}
/**
* Create a drawable from an inputstream, using the given resources and value to determine density
* information.
*/
public static Drawable createFromResourceStream(
Resources res, TypedValue value, InputStream is, String srcName) {
Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, srcName != null ? srcName : "Unknown drawable");
try {
return createFromResourceStream(res, value, is, srcName, null);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
}
}
private static void applicationInit(int targetSdkVersion, String[] argv, ClassLoader classLoader)
throws ZygoteInit.MethodAndArgsCaller {
// If the application calls System.exit(), terminate the process
// immediately without running any shutdown hooks. It is not possible to
// shutdown an Android application gracefully. Among other things, the
// Android runtime shutdown hooks close the Binder driver, which can cause
// leftover running threads to crash before the process actually exits.
nativeSetExitWithoutCleanup(true);
// We want to be fairly aggressive about heap utilization, to avoid
// holding on to a lot of memory that isn't needed.
VMRuntime.getRuntime().setTargetHeapUtilization(0.75f);
VMRuntime.getRuntime().setTargetSdkVersion(targetSdkVersion);
final Arguments args;
try {
args = new Arguments(argv);
} catch (IllegalArgumentException ex) {
Slog.e(TAG, ex.getMessage());
// let the process exit
return;
}
// The end of of the RuntimeInit event (see #zygoteInit).
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
// Remaining arguments are passed to the start class's static main
invokeStaticMain(args.startClass, args.startArgs, classLoader);
}
/** Create a drawable from file path name. */
public static Drawable createFromPath(String pathName) {
if (pathName == null) {
return null;
}
Trace.traceBegin(Trace.TRACE_TAG_RESOURCES, pathName);
try {
Bitmap bm = BitmapFactory.decodeFile(pathName);
if (bm != null) {
return drawableFromBitmap(null, bm, null, null, null, pathName);
}
} finally {
Trace.traceEnd(Trace.TRACE_TAG_RESOURCES);
}
return null;
}
/**
* The main function called when started through the zygote process. This
* could be unified with main(), if the native code in nativeFinishInit()
* were rationalized with Zygote startup.<p>
*
* Current recognized args:
* <ul>
* <li> <code> [--] <start class name> <args>
* </ul>
*
* @param targetSdkVersion target SDK version
* @param argv arg strings
*/
public static final void zygoteInit(int targetSdkVersion, String[] argv, ClassLoader classLoader)
throws ZygoteInit.MethodAndArgsCaller {
if (DEBUG) Slog.d(TAG, "RuntimeInit: Starting application from zygote");
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "RuntimeInit");
redirectLogStreams();
commonInit();
nativeZygoteInit();
applicationInit(targetSdkVersion, argv, classLoader);
}
/** Returns true if animating. */
public boolean dismiss(
SurfaceSession session,
long maxAnimationDuration,
float animationScale,
int finalWidth,
int finalHeight) {
/// M: Add systrace for orientation chagnge performance analysis
Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "ScreenRotationAnimation:Begin");
Slog.v(WindowManagerService.TAG, "Dismiss!");
Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
if (mSurface == null) {
// Can't do animation.
return false;
}
if (!mStarted) {
startAnimation(session, maxAnimationDuration, animationScale, finalWidth, finalHeight, true);
}
if (!mStarted) {
return false;
}
if (DEBUG_STATE) Slog.v(TAG, "Setting mFinishAnimReady = true");
mFinishAnimReady = true;
return true;
}
static void preload() {
Log.d(TAG, "begin preload");
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PreloadClasses");
preloadClasses();
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PreloadResources");
preloadResources();
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PreloadOpenGL");
preloadOpenGL();
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
preloadSharedLibraries();
preloadTextResources();
// Ask the WebViewFactory to do any initialization that must run in the zygote process,
// for memory sharing purposes.
WebViewFactory.prepareWebViewInZygote();
Log.d(TAG, "end preload");
}
public static void startProfileFirstFrameAvailable() {
MMProfileWrapper.doMMProfileLog(
EVENT_FIRST_FRAME_AVAILABLE, MMProfileWrapper.MMPROFILE_FLAG_START);
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
public static void triggerFirstFrameAvailable() {
MMProfileWrapper.doMMProfileLog(
EVENT_FIRST_FRAME_AVAILABLE, MMProfileWrapper.MMPROFILE_FLAG_PULSE);
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "FrameAvailable");
}
public static void stopProfileApplyParameters() {
MMProfileWrapper.doMMProfileLog(EVENT_APPLY_PARAMETERS, MMProfileWrapper.MMPROFILE_FLAG_END);
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
public static void stopProfileCameraStartUp() {
MMProfileWrapper.doMMProfileLog(EVENT_CAMERA_START_UP, MMProfileWrapper.MMPROFILE_FLAG_END);
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
public static void stopProfileCameraOnResume() {
MMProfileWrapper.doMMProfileLog(EVENT_CAMERA_ON_RESUME, MMProfileWrapper.MMPROFILE_FLAG_END);
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
public static void startProfileCameraOnCreate() {
MMProfileWrapper.doMMProfileLog(EVENT_CAMERA_ON_CREATE, MMProfileWrapper.MMPROFILE_FLAG_START);
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "CameraOncreate");
}
public void kill() {
if (DEBUG_STATE) Slog.v(TAG, "Kill!");
if (mSurface != null) {
/// M: Add systrace for orientation chagnge performance analysis
Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "ScreenRotationAnimation:End");
Slog.i(WindowManagerService.TAG, " FREEZE " + mSurface + ": DESTROY");
Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
mSurface.destroy();
mSurface = null;
}
if (mCustomBlackFrame != null) {
mCustomBlackFrame.kill();
mCustomBlackFrame = null;
}
if (mExitingBlackFrame != null) {
mExitingBlackFrame.kill();
mExitingBlackFrame = null;
}
if (mEnteringBlackFrame != null) {
mEnteringBlackFrame.kill();
mEnteringBlackFrame = null;
}
if (TWO_PHASE_ANIMATION) {
if (mStartExitAnimation != null) {
mStartExitAnimation.cancel();
mStartExitAnimation = null;
}
if (mStartEnterAnimation != null) {
mStartEnterAnimation.cancel();
mStartEnterAnimation = null;
}
if (mFinishExitAnimation != null) {
mFinishExitAnimation.cancel();
mFinishExitAnimation = null;
}
if (mFinishEnterAnimation != null) {
mFinishEnterAnimation.cancel();
mFinishEnterAnimation = null;
}
}
if (USE_CUSTOM_BLACK_FRAME) {
if (mStartFrameAnimation != null) {
mStartFrameAnimation.cancel();
mStartFrameAnimation = null;
}
if (mRotateFrameAnimation != null) {
mRotateFrameAnimation.cancel();
mRotateFrameAnimation = null;
}
if (mFinishFrameAnimation != null) {
mFinishFrameAnimation.cancel();
mFinishFrameAnimation = null;
}
}
if (mRotateExitAnimation != null) {
mRotateExitAnimation.cancel();
mRotateExitAnimation = null;
}
if (mRotateEnterAnimation != null) {
mRotateEnterAnimation.cancel();
mRotateEnterAnimation = null;
}
}
public ScreenRotationAnimation(
Context context,
Display display,
SurfaceSession session,
boolean inTransaction,
int originalWidth,
int originalHeight,
int originalRotation,
int exitAnim,
int enterAnim) {
mContext = context;
mDisplay = display;
mExitAnimId = exitAnim;
mEnterAnimId = enterAnim;
// Screenshot does NOT include rotation!
if (originalRotation == Surface.ROTATION_90 || originalRotation == Surface.ROTATION_270) {
mWidth = originalHeight;
mHeight = originalWidth;
} else {
mWidth = originalWidth;
mHeight = originalHeight;
}
mOriginalRotation = originalRotation;
mOriginalWidth = originalWidth;
mOriginalHeight = originalHeight;
if (!inTransaction) {
if (WindowManagerService.SHOW_LIGHT_TRANSACTIONS)
Slog.i(WindowManagerService.TAG, ">>> OPEN TRANSACTION ScreenRotationAnimation");
Surface.openTransaction();
}
try {
try {
if (WindowManagerService.DEBUG_SURFACE_TRACE) {
mSurface =
new SurfaceTrace(
session,
"FreezeSurface",
mWidth,
mHeight,
PixelFormat.OPAQUE,
Surface.FX_SURFACE_SCREENSHOT | Surface.HIDDEN);
} else {
mSurface =
new Surface(
session,
"FreezeSurface",
mWidth,
mHeight,
PixelFormat.OPAQUE,
Surface.FX_SURFACE_SCREENSHOT | Surface.HIDDEN);
}
if (!mSurface.isValid()) {
// Screenshot failed, punt.
mSurface = null;
return;
}
mSurface.setLayerStack(mDisplay.getLayerStack());
mSurface.setLayer(FREEZE_LAYER + 1);
mSurface.setAlpha(0);
mSurface.show();
} catch (Surface.OutOfResourcesException e) {
Slog.w(TAG, "Unable to allocate freeze surface", e);
}
/// M: Add systrace for orientation chagnge performance analysis
Trace.traceBegin(Trace.TRACE_TAG_WINDOW_MANAGER, "ScreenRotationAnimation:Create");
Slog.i(WindowManagerService.TAG, " FREEZE " + mSurface + ": CREATE");
Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
setRotationInTransaction(originalRotation);
} finally {
if (!inTransaction) {
Surface.closeTransaction();
if (WindowManagerService.SHOW_LIGHT_TRANSACTIONS)
Slog.i(WindowManagerService.TAG, "<<< CLOSE TRANSACTION ScreenRotationAnimation");
}
}
}
public static void startProfileDrawScreenNail() {
MMProfileWrapper.doMMProfileLog(EVENT_DRAW_SCREEN_NAIL, MMProfileWrapper.MMPROFILE_FLAG_START);
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "DrawScreenNail");
}
public static void stopProfileDrawScreenNail() {
MMProfileWrapper.doMMProfileLog(EVENT_DRAW_SCREEN_NAIL, MMProfileWrapper.MMPROFILE_FLAG_END);
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
/**
* Performs Zygote process initialization. Loads and initializes commonly used classes.
*
* <p>Most classes only cause a few hundred bytes to be allocated, but a few will allocate a dozen
* Kbytes (in one case, 500+K).
*/
private static void preloadClasses() {
final VMRuntime runtime = VMRuntime.getRuntime();
InputStream is;
try {
is = new FileInputStream(PRELOADED_CLASSES);
} catch (FileNotFoundException e) {
Log.e(TAG, "Couldn't find " + PRELOADED_CLASSES + ".");
return;
}
Log.i(TAG, "Preloading classes...");
long startTime = SystemClock.uptimeMillis();
// Drop root perms while running static initializers.
final int reuid = Os.getuid();
final int regid = Os.getgid();
// We need to drop root perms only if we're already root. In the case of "wrapped"
// processes (see WrapperInit), this function is called from an unprivileged uid
// and gid.
boolean droppedPriviliges = false;
if (reuid == ROOT_UID && regid == ROOT_GID) {
try {
Os.setregid(ROOT_GID, UNPRIVILEGED_GID);
Os.setreuid(ROOT_UID, UNPRIVILEGED_UID);
} catch (ErrnoException ex) {
throw new RuntimeException("Failed to drop root", ex);
}
droppedPriviliges = true;
}
// Alter the target heap utilization. With explicit GCs this
// is not likely to have any effect.
float defaultUtilization = runtime.getTargetHeapUtilization();
runtime.setTargetHeapUtilization(0.8f);
try {
BufferedReader br = new BufferedReader(new InputStreamReader(is), 256);
int count = 0;
String line;
while ((line = br.readLine()) != null) {
// Skip comments and blank lines.
line = line.trim();
if (line.startsWith("#") || line.equals("")) {
continue;
}
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PreloadClass " + line);
try {
if (false) {
Log.v(TAG, "Preloading " + line + "...");
}
// Load and explicitly initialize the given class. Use
// Class.forName(String, boolean, ClassLoader) to avoid repeated stack lookups
// (to derive the caller's class-loader). Use true to force initialization, and
// null for the boot classpath class-loader (could as well cache the
// class-loader of this class in a variable).
Class.forName(line, true, null);
count++;
} catch (ClassNotFoundException e) {
Log.w(TAG, "Class not found for preloading: " + line);
} catch (UnsatisfiedLinkError e) {
Log.w(TAG, "Problem preloading " + line + ": " + e);
} catch (Throwable t) {
Log.e(TAG, "Error preloading " + line + ".", t);
if (t instanceof Error) {
throw (Error) t;
}
if (t instanceof RuntimeException) {
throw (RuntimeException) t;
}
throw new RuntimeException(t);
}
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
}
Log.i(
TAG,
"...preloaded "
+ count
+ " classes in "
+ (SystemClock.uptimeMillis() - startTime)
+ "ms.");
} catch (IOException e) {
Log.e(TAG, "Error reading " + PRELOADED_CLASSES + ".", e);
} finally {
IoUtils.closeQuietly(is);
// Restore default.
runtime.setTargetHeapUtilization(defaultUtilization);
// Fill in dex caches with classes, fields, and methods brought in by preloading.
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PreloadDexCaches");
runtime.preloadDexCaches();
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
// Bring back root. We'll need it later if we're in the zygote.
if (droppedPriviliges) {
try {
Os.setreuid(ROOT_UID, ROOT_UID);
Os.setregid(ROOT_GID, ROOT_GID);
} catch (ErrnoException ex) {
throw new RuntimeException("Failed to restore root", ex);
}
}
}
}
public static void startProfileCameraOnResume() {
MMProfileWrapper.doMMProfileLog(EVENT_CAMERA_ON_RESUME, MMProfileWrapper.MMPROFILE_FLAG_START);
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "CameraOnResume");
}
public static void main(String argv[]) {
try {
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "ZygoteInit");
RuntimeInit.enableDdms();
// Start profiling the zygote initialization.
SamplingProfilerIntegration.start();
boolean startSystemServer = false;
String socketName = "zygote";
String abiList = null;
for (int i = 1; i < argv.length; i++) {
if ("start-system-server".equals(argv[i])) {
startSystemServer = true;
} else if (argv[i].startsWith(ABI_LIST_ARG)) {
abiList = argv[i].substring(ABI_LIST_ARG.length());
} else if (argv[i].startsWith(SOCKET_NAME_ARG)) {
socketName = argv[i].substring(SOCKET_NAME_ARG.length());
} else {
throw new RuntimeException("Unknown command line argument: " + argv[i]);
}
}
if (abiList == null) {
throw new RuntimeException("No ABI list supplied.");
}
registerZygoteSocket(socketName);
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "ZygotePreload");
EventLog.writeEvent(LOG_BOOT_PROGRESS_PRELOAD_START, SystemClock.uptimeMillis());
preload();
EventLog.writeEvent(LOG_BOOT_PROGRESS_PRELOAD_END, SystemClock.uptimeMillis());
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
// Finish profiling the zygote initialization.
SamplingProfilerIntegration.writeZygoteSnapshot();
// Do an initial gc to clean up after startup
Trace.traceBegin(Trace.TRACE_TAG_DALVIK, "PostZygoteInitGC");
gcAndFinalize();
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
Trace.traceEnd(Trace.TRACE_TAG_DALVIK);
// Disable tracing so that forked processes do not inherit stale tracing tags from
// Zygote.
Trace.setTracingEnabled(false);
if (startSystemServer) {
startSystemServer(abiList, socketName);
}
Log.i(TAG, "Accepting command socket connections");
runSelectLoop(abiList);
closeServerSocket();
} catch (MethodAndArgsCaller caller) {
caller.run();
} catch (RuntimeException ex) {
Log.e(TAG, "Zygote died with exception", ex);
closeServerSocket();
throw ex;
}
}
public static void startProfileCameraStartUp() {
MMProfileWrapper.doMMProfileLog(EVENT_CAMERA_START_UP, MMProfileWrapper.MMPROFILE_FLAG_START);
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "CameraStartUp");
}
public static void startProfileStartPreview() {
MMProfileWrapper.doMMProfileLog(EVENT_START_PREVIEW, MMProfileWrapper.MMPROFILE_FLAG_START);
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "StartPreview");
}
public static void startProfileApplyParameters() {
MMProfileWrapper.doMMProfileLog(EVENT_APPLY_PARAMETERS, MMProfileWrapper.MMPROFILE_FLAG_START);
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "ApplyParameters");
}
public static void stopProfileStartPreview() {
MMProfileWrapper.doMMProfileLog(EVENT_START_PREVIEW, MMProfileWrapper.MMPROFILE_FLAG_END);
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
@Override
boolean draw(
View view, View.AttachInfo attachInfo, HardwareDrawCallbacks callbacks, Rect dirty) {
if (canDraw()) {
if (!hasDirtyRegions()) {
dirty = null;
}
attachInfo.mIgnoreDirtyState = true;
attachInfo.mDrawingTime = SystemClock.uptimeMillis();
view.mPrivateFlags |= View.PFLAG_DRAWN;
final int surfaceState = checkCurrent();
if (surfaceState != SURFACE_STATE_ERROR) {
HardwareCanvas canvas = mCanvas;
attachInfo.mHardwareCanvas = canvas;
if (mProfileEnabled) {
mProfileLock.lock();
}
// We had to change the current surface and/or context, redraw everything
if (surfaceState == SURFACE_STATE_UPDATED) {
dirty = null;
beginFrame(null);
} else {
int[] size = mSurfaceSize;
beginFrame(size);
if (size[1] != mHeight || size[0] != mWidth) {
mWidth = size[0];
mHeight = size[1];
canvas.setViewport(mWidth, mHeight);
dirty = null;
}
}
int saveCount = 0;
int status = DisplayList.STATUS_DONE;
try {
view.mRecreateDisplayList =
(view.mPrivateFlags & View.PFLAG_INVALIDATED) == View.PFLAG_INVALIDATED;
view.mPrivateFlags &= ~View.PFLAG_INVALIDATED;
long getDisplayListStartTime = 0;
if (mProfileEnabled) {
mProfileCurrentFrame += PROFILE_FRAME_DATA_COUNT;
if (mProfileCurrentFrame >= mProfileData.length) {
mProfileCurrentFrame = 0;
}
getDisplayListStartTime = System.nanoTime();
}
canvas.clearLayerUpdates();
DisplayList displayList;
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "getDisplayList");
try {
displayList = view.getDisplayList();
} finally {
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "prepareFrame");
try {
status = onPreDraw(dirty);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
saveCount = canvas.save();
callbacks.onHardwarePreDraw(canvas);
if (mProfileEnabled) {
long now = System.nanoTime();
float total = (now - getDisplayListStartTime) * 0.000001f;
//noinspection PointlessArithmeticExpression
mProfileData[mProfileCurrentFrame] = total;
}
if (displayList != null) {
long drawDisplayListStartTime = 0;
if (mProfileEnabled) {
drawDisplayListStartTime = System.nanoTime();
}
Trace.traceBegin(Trace.TRACE_TAG_VIEW, "drawDisplayList");
try {
status |=
canvas.drawDisplayList(
displayList, mRedrawClip, DisplayList.FLAG_CLIP_CHILDREN);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_VIEW);
}
if (mProfileEnabled) {
long now = System.nanoTime();
float total = (now - drawDisplayListStartTime) * 0.000001f;
mProfileData[mProfileCurrentFrame + 1] = total;
}
handleFunctorStatus(attachInfo, status);
} else {
// Shouldn't reach here
view.draw(canvas);
}
} finally {
callbacks.onHardwarePostDraw(canvas);
canvas.restoreToCount(saveCount);
view.mRecreateDisplayList = false;
mFrameCount++;
if (mDebugDirtyRegions) {
if (mDebugPaint == null) {
mDebugPaint = new Paint();
mDebugPaint.setColor(0x7fff0000);
}
if (dirty != null && (mFrameCount & 1) == 0) {
canvas.drawRect(dirty, mDebugPaint);
}
}
}
onPostDraw();
attachInfo.mIgnoreDirtyState = false;
if ((status & DisplayList.STATUS_DREW) == DisplayList.STATUS_DREW) {
long eglSwapBuffersStartTime = 0;
if (mProfileEnabled) {
eglSwapBuffersStartTime = System.nanoTime();
}
sEgl.eglSwapBuffers(sEglDisplay, mEglSurface);
if (mProfileEnabled) {
long now = System.nanoTime();
float total = (now - eglSwapBuffersStartTime) * 0.000001f;
mProfileData[mProfileCurrentFrame + 2] = total;
}
checkEglErrors();
}
if (mProfileEnabled) {
mProfileLock.unlock();
}
return dirty == null;
}
}
return false;
}
public static void triggerFrameAvailable() {
Trace.traceCounter(Trace.TRACE_TAG_VIEW, "triggerFrameAvailable", 1);
MMProfileWrapper.doMMProfileLog(EVENT_FRAME_AVAILABLE, MMProfileWrapper.MMPROFILE_FLAG_PULSE);
Trace.traceCounter(Trace.TRACE_TAG_VIEW, "triggerFrameAvailable", 0);
}