List of usage examples for android.graphics Canvas drawColor
public void drawColor(@ColorInt int color)
From source file:com.gmy.widget.swiperefresh.SwipeProgressBar.java
void draw(Canvas canvas) { final int width = mBounds.width(); final int height = mBounds.height(); final int cx = width / 2; // final int cy = height / 2; final int cy = mBounds.bottom - height / 2; boolean drawTriggerWhileFinishing = false; int restoreCount = canvas.save(); canvas.clipRect(mBounds);//from w ww . j av a 2s . c om if (mRunning || (mFinishTime > 0)) { long now = AnimationUtils.currentAnimationTimeMillis(); long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS; long iterations = (now - mStartTime) / ANIMATION_DURATION_MS; float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f)); // If we're not running anymore, that means we're running through // the finish animation. if (!mRunning) { // If the finish animation is done, don't draw anything, and // don't repost. if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) { mFinishTime = 0; return; } // Otherwise, use a 0 opacity alpha layer to clear the animation // from the inside out. This layer will prevent the circles from // drawing within its bounds. long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS; float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f)); float pct = (finishProgress / 100f); // Radius of the circle is half of the screen. float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct); mClipRect.set(cx - clearRadius, 0, cx + clearRadius, height); canvas.saveLayerAlpha(mClipRect, 0, 0); // Only draw the trigger if there is a space in the center of // this refreshing view that needs to be filled in by the // trigger. If the progress view is just still animating, let it // continue animating. drawTriggerWhileFinishing = true; } // First fill in with the last color that would have finished // drawing. if (iterations == 0) { canvas.drawColor(mColor1); } else { if (rawProgress >= 0 && rawProgress < 25) { canvas.drawColor(mColor4); } else if (rawProgress >= 25 && rawProgress < 50) { canvas.drawColor(mColor1); } else if (rawProgress >= 50 && rawProgress < 75) { canvas.drawColor(mColor2); } else { canvas.drawColor(mColor3); } } // Then draw up to 4 overlapping concentric circles of varying // radii, based on how far // along we are in the cycle. // progress 0-50 draw mColor2 // progress 25-75 draw mColor3 // progress 50-100 draw mColor4 // progress 75 (wrap to 25) draw mColor1 if ((rawProgress >= 0 && rawProgress <= 25)) { float pct = (((rawProgress + 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (rawProgress >= 0 && rawProgress <= 50) { float pct = ((rawProgress * 2) / 100f); drawCircle(canvas, cx, cy, mColor2, pct); } if (rawProgress >= 25 && rawProgress <= 75) { float pct = (((rawProgress - 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor3, pct); } if (rawProgress >= 50 && rawProgress <= 100) { float pct = (((rawProgress - 50) * 2) / 100f); drawCircle(canvas, cx, cy, mColor4, pct); } if ((rawProgress >= 75 && rawProgress <= 100)) { float pct = (((rawProgress - 75) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) { // There is some portion of trigger to draw. Restore the canvas, // then draw the trigger. Otherwise, the trigger does not appear // until after the bar has finished animating and appears to // just jump in at a larger width than expected. canvas.restoreToCount(restoreCount); restoreCount = canvas.save(); canvas.clipRect(mBounds); drawTrigger(canvas, cx, cy); } // Keep running until we finish out the last cycle. ViewCompat.postInvalidateOnAnimation(mParent); } else { // Otherwise if we're in the middle of a trigger, draw that. if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) { drawTrigger(canvas, cx, cy); } } canvas.restoreToCount(restoreCount); }
From source file:com.mde.potdroid.views.SwipeProgressBar.java
void draw(Canvas canvas) { final int width = mBounds.width(); final int height = mBounds.height(); final int cx = width / 2; final int cy = height / 2 + mTopMargin; boolean drawTriggerWhileFinishing = false; int restoreCount = canvas.save(); canvas.clipRect(mBounds);//from w w w . j av a 2 s. c om if (mRunning || (mFinishTime > 0)) { long now = AnimationUtils.currentAnimationTimeMillis(); long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS; long iterations = (now - mStartTime) / ANIMATION_DURATION_MS; float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f)); // If we're not running anymore, that means we're running through // the finish animation. if (!mRunning) { // If the finish animation is done, don't draw anything, and // don't repost. if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) { mFinishTime = 0; return; } // Otherwise, use a 0 opacity alpha layer to clear the animation // from the inside out. This layer will prevent the circles from // drawing within its bounds. long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS; float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f)); float pct = (finishProgress / 100f); // Radius of the circle is half of the screen. float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct); mClipRect.set(cx - clearRadius, mTopMargin, cx + clearRadius, height + mTopMargin); canvas.saveLayerAlpha(mClipRect, 0, 0); // Only draw the trigger if there is a space in the center of // this refreshing view that needs to be filled in by the // trigger. If the progress view is just still animating, let it // continue animating. drawTriggerWhileFinishing = true; } // First fill in with the last color that would have finished drawing. if (iterations == 0) { canvas.drawColor(mColor1); } else { if (rawProgress >= 0 && rawProgress < 25) { canvas.drawColor(mColor4); } else if (rawProgress >= 25 && rawProgress < 50) { canvas.drawColor(mColor1); } else if (rawProgress >= 50 && rawProgress < 75) { canvas.drawColor(mColor2); } else { canvas.drawColor(mColor3); } } // Then draw up to 4 overlapping concentric circles of varying radii, based on how far // along we are in the cycle. // progress 0-50 draw mColor2 // progress 25-75 draw mColor3 // progress 50-100 draw mColor4 // progress 75 (wrap to 25) draw mColor1 if ((rawProgress >= 0 && rawProgress <= 25)) { float pct = (((rawProgress + 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (rawProgress >= 0 && rawProgress <= 50) { float pct = ((rawProgress * 2) / 100f); drawCircle(canvas, cx, cy, mColor2, pct); } if (rawProgress >= 25 && rawProgress <= 75) { float pct = (((rawProgress - 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor3, pct); } if (rawProgress >= 50 && rawProgress <= 100) { float pct = (((rawProgress - 50) * 2) / 100f); drawCircle(canvas, cx, cy, mColor4, pct); } if ((rawProgress >= 75 && rawProgress <= 100)) { float pct = (((rawProgress - 75) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) { // There is some portion of trigger to draw. Restore the canvas, // then draw the trigger. Otherwise, the trigger does not appear // until after the bar has finished animating and appears to // just jump in at a larger width than expected. canvas.restoreToCount(restoreCount); restoreCount = canvas.save(); canvas.clipRect(mBounds); drawTrigger(canvas, cx, cy); } // Keep running until we finish out the last cycle. ViewCompat.postInvalidateOnAnimation(mParent); } else { // Otherwise if we're in the middle of a trigger, draw that. if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) { drawTrigger(canvas, cx, cy); } } canvas.restoreToCount(restoreCount); }
From source file:com.swiperefreshlayout.SwipeProgressBar.java
void draw(Canvas canvas) { final int width = mBounds.width(); final int height = mBounds.height(); final int cx = width / 2; // final int cy = height / 2; final int cy = mBounds.bottom - height / 2; boolean drawTriggerWhileFinishing = false; int restoreCount = canvas.save(); canvas.clipRect(mBounds);/*from w w w . j a v a 2 s.c om*/ if (mRunning || (mFinishTime > 0)) { long now = AnimationUtils.currentAnimationTimeMillis(); long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS; long iterations = (now - mStartTime) / ANIMATION_DURATION_MS; float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f)); // If we're not running anymore, that means we're running through // the finish animation. if (!mRunning) { // If the finish animation is done, don't draw anything, and // don't repost. if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) { mFinishTime = 0; return; } // Otherwise, use a 0 opacity alpha layer to clear the animation // from the inside out. This layer will prevent the circles from // drawing within its bounds. long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS; float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f)); float pct = (finishProgress / 100f); // Radius of the circle is half of the screen. float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct); mClipRect.set(cx - clearRadius, 0, cx + clearRadius, height); canvas.saveLayerAlpha(mClipRect, 0, 0); // Only draw the trigger if there is a space in the center of // this refreshing view that needs to be filled in by the // trigger. If the progress view is just still animating, let it // continue animating. drawTriggerWhileFinishing = true; } // First fill in with the last color that would have finished drawing. if (iterations == 0) { canvas.drawColor(mColor1); } else { if (rawProgress >= 0 && rawProgress < 25) { canvas.drawColor(mColor4); } else if (rawProgress >= 25 && rawProgress < 50) { canvas.drawColor(mColor1); } else if (rawProgress >= 50 && rawProgress < 75) { canvas.drawColor(mColor2); } else { canvas.drawColor(mColor3); } } // Then draw up to 4 overlapping concentric circles of varying radii, based on how far // along we are in the cycle. // progress 0-50 draw mColor2 // progress 25-75 draw mColor3 // progress 50-100 draw mColor4 // progress 75 (wrap to 25) draw mColor1 if ((rawProgress >= 0 && rawProgress <= 25)) { float pct = (((rawProgress + 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (rawProgress >= 0 && rawProgress <= 50) { float pct = ((rawProgress * 2) / 100f); drawCircle(canvas, cx, cy, mColor2, pct); } if (rawProgress >= 25 && rawProgress <= 75) { float pct = (((rawProgress - 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor3, pct); } if (rawProgress >= 50 && rawProgress <= 100) { float pct = (((rawProgress - 50) * 2) / 100f); drawCircle(canvas, cx, cy, mColor4, pct); } if ((rawProgress >= 75 && rawProgress <= 100)) { float pct = (((rawProgress - 75) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) { // There is some portion of trigger to draw. Restore the canvas, // then draw the trigger. Otherwise, the trigger does not appear // until after the bar has finished animating and appears to // just jump in at a larger width than expected. canvas.restoreToCount(restoreCount); restoreCount = canvas.save(); canvas.clipRect(mBounds); drawTrigger(canvas, cx, cy); } // Keep running until we finish out the last cycle. ViewCompat.postInvalidateOnAnimation(mParent); } else { // Otherwise if we're in the middle of a trigger, draw that. if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) { drawTrigger(canvas, cx, cy); } } canvas.restoreToCount(restoreCount); }
From source file:org.srr.dev.view.refreshlayout.SwipeProgressBar.java
private boolean draw(Canvas canvas, boolean first) { Rect bounds = mBounds;/* ww w .java2s . c o m*/ final int width = bounds.width(); final int cx = bounds.centerX(); final int cy = bounds.centerY(); boolean drawTriggerWhileFinishing = false; boolean drawAgain = false; int restoreCount = canvas.save(); canvas.clipRect(bounds); if (mRunning || (mFinishTime > 0)) { long now = AnimationUtils.currentAnimationTimeMillis(); long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS; long iterations = (now - mStartTime) / ANIMATION_DURATION_MS; float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f)); // If we're not running anymore, that means we're running through // the finish animation. if (!mRunning) { // If the finish animation is done, don't draw anything, and // don't re-post. if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) { mFinishTime = 0; return false; } // Otherwise, use a 0 opacity alpha layer to clear the animation // from the inside out. This layer will prevent the circles from // drawing within its bounds. long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS; float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f)); float pct = (finishProgress / 100f); // Radius of the circle is half of the screen. float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct); if (SUPPORT_CLIP_RECT_DIFFERENCE) { mClipRect.set(cx - clearRadius, bounds.top, cx + clearRadius, bounds.bottom); canvas.clipRect(mClipRect, Region.Op.DIFFERENCE); } else { if (first) { // First time left drawAgain = true; mClipRect.set(bounds.left, bounds.top, cx - clearRadius, bounds.bottom); } else { // Second time right mClipRect.set(cx + clearRadius, bounds.top, bounds.right, bounds.bottom); } canvas.clipRect(mClipRect); } // Only draw the trigger if there is a space in the center of // this refreshing view that needs to be filled in by the // trigger. If the progress view is just still animating, let it // continue animating. drawTriggerWhileFinishing = true; } // First fill in with the last color that would have finished drawing. if (iterations == 0) { canvas.drawColor(mColor1); } else { if (rawProgress >= 0 && rawProgress < 25) { canvas.drawColor(mColor4); } else if (rawProgress >= 25 && rawProgress < 50) { canvas.drawColor(mColor1); } else if (rawProgress >= 50 && rawProgress < 75) { canvas.drawColor(mColor2); } else { canvas.drawColor(mColor3); } } // Then draw up to 4 overlapping concentric circles of varying radii, based on how far // along we are in the cycle. // progress 0-50 draw mColor2 // progress 25-75 draw mColor3 // progress 50-100 draw mColor4 // progress 75 (wrap to 25) draw mColor1 if ((rawProgress >= 0 && rawProgress <= 25)) { float pct = (((rawProgress + 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (rawProgress >= 0 && rawProgress <= 50) { float pct = ((rawProgress * 2) / 100f); drawCircle(canvas, cx, cy, mColor2, pct); } if (rawProgress >= 25 && rawProgress <= 75) { float pct = (((rawProgress - 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor3, pct); } if (rawProgress >= 50 && rawProgress <= 100) { float pct = (((rawProgress - 50) * 2) / 100f); drawCircle(canvas, cx, cy, mColor4, pct); } if ((rawProgress >= 75 && rawProgress <= 100)) { float pct = (((rawProgress - 75) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) { // There is some portion of trigger to draw. Restore the canvas, // then draw the trigger. Otherwise, the trigger does not appear // until after the bar has finished animating and appears to // just jump in at a larger width than expected. canvas.restoreToCount(restoreCount); restoreCount = canvas.save(); canvas.clipRect(bounds); drawTrigger(canvas, cx, cy); } // Keep running until we finish out the last cycle. ViewCompat.postInvalidateOnAnimation(mParent, bounds.left, bounds.top, bounds.right, bounds.bottom); } else { // Otherwise if we're in the middle of a trigger, draw that. if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) { drawTrigger(canvas, cx, cy); } } canvas.restoreToCount(restoreCount); return drawAgain; }
From source file:com.piusvelte.sonet.core.SonetService.java
private void buildWidgetButtons(Integer appWidgetId, boolean updatesReady, int page, boolean hasbuttons, int scrollable, int buttons_bg_color, int buttons_color, int buttons_textsize, boolean display_profile, int margin) { final String widget = Integer.toString(appWidgetId); // Push update for this widget to the home screen int layout;/*from w w w. j a v a 2 s.c om*/ if (hasbuttons) { if (sNativeScrollingSupported) { if (margin > 0) layout = R.layout.widget_margin_scrollable; else layout = R.layout.widget_scrollable; } else if (display_profile) { if (margin > 0) layout = R.layout.widget_margin; else layout = R.layout.widget; } else { if (margin > 0) layout = R.layout.widget_noprofile_margin; else layout = R.layout.widget_noprofile; } } else { if (sNativeScrollingSupported) { if (margin > 0) layout = R.layout.widget_nobuttons_margin_scrollable; else layout = R.layout.widget_nobuttons_scrollable; } else if (display_profile) { if (margin > 0) layout = R.layout.widget_nobuttons_margin; else layout = R.layout.widget_nobuttons; } else { if (margin > 0) layout = R.layout.widget_nobuttons_noprofile_margin; else layout = R.layout.widget_nobuttons_noprofile; } } // wrap RemoteViews for backward compatibility RemoteViews views = new RemoteViews(getPackageName(), layout); if (hasbuttons) { Bitmap buttons_bg = Bitmap.createBitmap(1, 1, Config.ARGB_8888); Canvas buttons_bg_canvas = new Canvas(buttons_bg); buttons_bg_canvas.drawColor(buttons_bg_color); views.setImageViewBitmap(R.id.buttons_bg, buttons_bg); views.setTextColor(R.id.buttons_bg_clear, buttons_bg_color); views.setFloat(R.id.buttons_bg_clear, "setTextSize", buttons_textsize); views.setOnClickPendingIntent(R.id.button_post, PendingIntent.getActivity(SonetService.this, 0, Sonet.getPackageIntent(SonetService.this, SonetCreatePost.class) .setAction(LauncherIntent.Action.ACTION_VIEW_CLICK) .setData(Uri.withAppendedPath(Widgets.getContentUri(SonetService.this), widget)), 0)); views.setTextColor(R.id.button_post, buttons_color); views.setFloat(R.id.button_post, "setTextSize", buttons_textsize); views.setOnClickPendingIntent(R.id.button_configure, PendingIntent.getActivity(SonetService.this, 0, Sonet.getPackageIntent(SonetService.this, ManageAccounts.class).setAction(widget), 0)); views.setTextColor(R.id.button_configure, buttons_color); views.setFloat(R.id.button_configure, "setTextSize", buttons_textsize); views.setOnClickPendingIntent(R.id.button_refresh, PendingIntent.getService(SonetService.this, 0, Sonet.getPackageIntent(SonetService.this, SonetService.class).setAction(widget), 0)); views.setTextColor(R.id.button_refresh, buttons_color); views.setFloat(R.id.button_refresh, "setTextSize", buttons_textsize); views.setTextColor(R.id.page_up, buttons_color); views.setFloat(R.id.page_up, "setTextSize", buttons_textsize); views.setTextColor(R.id.page_down, buttons_color); views.setFloat(R.id.page_down, "setTextSize", buttons_textsize); } // set margin if (scrollable == 0) { final AppWidgetManager mgr = AppWidgetManager.getInstance(SonetService.this); // check if native scrolling is supported if (sNativeScrollingSupported) { // native scrolling try { final Intent intent = SonetRemoteViewsServiceWrapper.getRemoteAdapterIntent(SonetService.this); if (intent != null) { intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); intent.putExtra(Widgets.DISPLAY_PROFILE, display_profile); intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME))); sSetRemoteAdapter.invoke(views, appWidgetId, R.id.messages, intent); // empty sSetEmptyView.invoke(views, R.id.messages, R.id.empty_messages); // onclick // Bind a click listener template for the contents of the message list final Intent onClickIntent = Sonet.getPackageIntent(SonetService.this, SonetWidget.class); onClickIntent.setAction(ACTION_ON_CLICK); onClickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); onClickIntent.setData(Uri.parse(onClickIntent.toUri(Intent.URI_INTENT_SCHEME))); final PendingIntent onClickPendingIntent = PendingIntent.getBroadcast(SonetService.this, 0, onClickIntent, PendingIntent.FLAG_UPDATE_CURRENT); sSetPendingIntentTemplate.invoke(views, R.id.messages, onClickPendingIntent); } else { // fallback on non-scrolling widget sNativeScrollingSupported = false; } } catch (NumberFormatException e) { Log.e(TAG, e.toString()); } catch (IllegalArgumentException e) { Log.e(TAG, e.toString()); } catch (IllegalAccessException e) { Log.e(TAG, e.toString()); } catch (InvocationTargetException e) { Log.e(TAG, e.toString()); } } if (!sNativeScrollingSupported) { Cursor statuses_styles = getContentResolver().query( Uri.withAppendedPath(Statuses_styles.getContentUri(SonetService.this), widget), new String[] { Statuses_styles._ID, Statuses_styles.FRIEND, Statuses_styles.PROFILE, Statuses_styles.MESSAGE, Statuses_styles.CREATEDTEXT, Statuses_styles.MESSAGES_COLOR, Statuses_styles.FRIEND_COLOR, Statuses_styles.CREATED_COLOR, Statuses_styles.MESSAGES_TEXTSIZE, Statuses_styles.FRIEND_TEXTSIZE, Statuses_styles.CREATED_TEXTSIZE, Statuses_styles.STATUS_BG, Statuses_styles.ICON, Statuses_styles.PROFILE_BG, Statuses_styles.FRIEND_BG, Statuses_styles.IMAGE_BG, Statuses_styles.IMAGE }, null, null, Statuses_styles.CREATED + " DESC LIMIT " + page + ",-1"); if (statuses_styles.moveToFirst()) { int count_status = 0; views.removeAllViews(R.id.messages); while (!statuses_styles.isAfterLast() && (count_status < 16)) { int friend_color = statuses_styles.getInt(6), created_color = statuses_styles.getInt(7), friend_textsize = statuses_styles.getInt(9), created_textsize = statuses_styles.getInt(10), messages_color = statuses_styles.getInt(5), messages_textsize = statuses_styles.getInt(8); // get the item wrapper RemoteViews itemView; if (display_profile) { itemView = new RemoteViews(getPackageName(), R.layout.widget_item); // set profiles background byte[] profile_bg = statuses_styles.getBlob(13); if (profile_bg != null) { Bitmap profile_bgbmp = BitmapFactory.decodeByteArray(profile_bg, 0, profile_bg.length, sBFOptions); if (profile_bgbmp != null) itemView.setImageViewBitmap(R.id.profile_bg, profile_bgbmp); } byte[] profile = statuses_styles.getBlob(2); if (profile != null) { Bitmap profilebmp = BitmapFactory.decodeByteArray(profile, 0, profile.length, sBFOptions); if (profilebmp != null) itemView.setImageViewBitmap(R.id.profile, profilebmp); } } else itemView = new RemoteViews(getPackageName(), R.layout.widget_item_noprofile); itemView.setTextViewText(R.id.friend_bg_clear, statuses_styles.getString(1)); itemView.setFloat(R.id.friend_bg_clear, "setTextSize", friend_textsize); itemView.setTextViewText(R.id.message_bg_clear, statuses_styles.getString(3)); itemView.setFloat(R.id.message_bg_clear, "setTextSize", messages_textsize); // set friends background byte[] friend_bg = statuses_styles.getBlob(14); if (friend_bg != null) { Bitmap friend_bgbmp = BitmapFactory.decodeByteArray(friend_bg, 0, friend_bg.length, sBFOptions); if (friend_bgbmp != null) itemView.setImageViewBitmap(R.id.friend_bg, friend_bgbmp); } // set messages background byte[] status_bg = statuses_styles.getBlob(11); if (status_bg != null) { Bitmap status_bgbmp = BitmapFactory.decodeByteArray(status_bg, 0, status_bg.length, sBFOptions); if (status_bgbmp != null) itemView.setImageViewBitmap(R.id.status_bg, status_bgbmp); } // set an image byte[] image_bg = statuses_styles.getBlob(15); byte[] image = statuses_styles.getBlob(16); if ((image_bg != null) && (image != null)) { Bitmap image_bgBmp = BitmapFactory.decodeByteArray(image_bg, 0, image_bg.length, sBFOptions); if (image_bgBmp != null) { Bitmap imageBmp = BitmapFactory.decodeByteArray(image, 0, image.length, sBFOptions); itemView.setImageViewBitmap(R.id.image_clear, image_bgBmp); itemView.setImageViewBitmap(R.id.image, imageBmp); } } itemView.setTextViewText(R.id.message, statuses_styles.getString(3)); itemView.setTextColor(R.id.message, messages_color); itemView.setFloat(R.id.message, "setTextSize", messages_textsize); itemView.setOnClickPendingIntent(R.id.item, PendingIntent.getActivity(SonetService.this, 0, Sonet.getPackageIntent(SonetService.this, StatusDialog.class) .setData(Uri.withAppendedPath( Statuses_styles.getContentUri(SonetService.this), Long.toString(statuses_styles.getLong(0)))), 0)); itemView.setTextViewText(R.id.friend, statuses_styles.getString(1)); itemView.setTextColor(R.id.friend, friend_color); itemView.setFloat(R.id.friend, "setTextSize", friend_textsize); itemView.setTextViewText(R.id.created, statuses_styles.getString(4)); itemView.setTextColor(R.id.created, created_color); itemView.setFloat(R.id.created, "setTextSize", created_textsize); // set icons byte[] icon = statuses_styles.getBlob(12); if (icon != null) { Bitmap iconbmp = BitmapFactory.decodeByteArray(icon, 0, icon.length, sBFOptions); if (iconbmp != null) itemView.setImageViewBitmap(R.id.icon, iconbmp); } views.addView(R.id.messages, itemView); count_status++; statuses_styles.moveToNext(); } if (hasbuttons && (page < statuses_styles.getCount())) { // there are more statuses to show, allow paging down views.setOnClickPendingIntent(R.id.page_down, PendingIntent.getService(SonetService.this, 0, Sonet.getPackageIntent(SonetService.this, SonetService.class) .setAction(ACTION_PAGE_DOWN) .setData(Uri.withAppendedPath(Widgets.getContentUri(SonetService.this), widget)) .putExtra(ACTION_PAGE_DOWN, page + 1), PendingIntent.FLAG_UPDATE_CURRENT)); } } statuses_styles.close(); if (hasbuttons && (page > 0)) views.setOnClickPendingIntent(R.id.page_up, PendingIntent.getService(SonetService.this, 0, Sonet.getPackageIntent(SonetService.this, SonetService.class).setAction(ACTION_PAGE_UP) .setData(Uri.withAppendedPath(Widgets.getContentUri(SonetService.this), widget)) .putExtra(ACTION_PAGE_UP, page - 1), PendingIntent.FLAG_UPDATE_CURRENT)); } Log.d(TAG, "update native widget: " + appWidgetId); mgr.updateAppWidget(appWidgetId, views); if (sNativeScrollingSupported) { Log.d(TAG, "trigger widget query: " + appWidgetId); try { // trigger query sNotifyAppWidgetViewDataChanged.invoke(mgr, appWidgetId, R.id.messages); } catch (NumberFormatException e) { Log.e(TAG, e.toString()); } catch (IllegalArgumentException e) { Log.e(TAG, e.toString()); } catch (IllegalAccessException e) { Log.e(TAG, e.toString()); } catch (InvocationTargetException e) { Log.e(TAG, e.toString()); } } } else if (updatesReady) { // Log.d(TAG, "notify updatesReady"); getContentResolver().notifyChange(Statuses_styles.getContentUri(SonetService.this), null); } else { AppWidgetManager.getInstance(SonetService.this).updateAppWidget(Integer.parseInt(widget), views); buildScrollableWidget(appWidgetId, scrollable, display_profile); } }
From source file:com.hippo.refreshlayout.SwipeProgressBar.java
private boolean draw(Canvas canvas, boolean first) { Rect bounds = mBounds;/* w w w . ja v a 2 s .com*/ final int width = bounds.width(); final int cx = bounds.centerX(); final int cy = bounds.centerY(); final int colors = mColors.length; boolean drawTriggerWhileFinishing = false; boolean drawAgain = false; int restoreCount = canvas.save(); canvas.clipRect(bounds); if (mRunning || (mFinishTime > 0)) { long now = AnimationUtils.currentAnimationTimeMillis(); long elapsed = (now - mStartTime) % mAnimationDuration; long iterations = (now - mStartTime) / ANIMATION_DURATION_MS_PER_COLOR; float rawProgress = (elapsed / (mAnimationDuration / (float) colors)); // If we're not running anymore, that means we're running through // the finish animation. if (!mRunning) { // If the finish animation is done, don't draw anything, and // don't repost. if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) { mFinishTime = 0; return false; } // Otherwise, use a 0 opacity alpha layer to clear the animation // from the inside out. This layer will prevent the circles from // drawing within its bounds. long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS; float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f)); float pct = (finishProgress / 100f); // Radius of the circle is half of the screen. float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct); if (SUPPORT_CLIP_RECT_DIFFERENCE) { mClipRect.set(cx - clearRadius, bounds.top, cx + clearRadius, bounds.bottom); canvas.clipRect(mClipRect, Region.Op.DIFFERENCE); } else { if (first) { // First time left drawAgain = true; mClipRect.set(bounds.left, bounds.top, cx - clearRadius, bounds.bottom); } else { // Second time right mClipRect.set(cx + clearRadius, bounds.top, bounds.right, bounds.bottom); } canvas.clipRect(mClipRect); } // Only draw the trigger if there is a space in the center of // this refreshing view that needs to be filled in by the // trigger. If the progress view is just still animating, let it // continue animating. drawTriggerWhileFinishing = true; } // First fill in with the last color that would have finished drawing. if (iterations == 0) { canvas.drawColor(mColors[0]); } else { int index = colors - 1; float left = 0.0f; float right = 1.0f; for (int i = 0; i < colors; ++i) { if ((rawProgress >= left && rawProgress < right) || i == colors - 1) { canvas.drawColor(mColors[index]); break; } index = (index + 1) % colors; left += 1.0f; right += 1.0f; } } // Then draw up to 4 overlapping concentric circles of varying radii, based on how far // along we are in the cycle. // progress 0-50 draw mColor2 // progress 25-75 draw mColor3 // progress 50-100 draw mColor4 // progress 75 (wrap to 25) draw mColor1 if (colors > 1) { if ((rawProgress >= 0.0f && rawProgress <= 1.0f)) { float pct = (rawProgress + 1.0f) / 2; drawCircle(canvas, cx, cy, mColors[0], pct); } float left = 0.0f; float right = 2.0f; for (int i = 1; i < colors; ++i) { if (rawProgress >= left && rawProgress <= right) { float pct = (rawProgress - i + 1.0f) / 2; drawCircle(canvas, cx, cy, mColors[i], pct); } left += 1.0f; right += 1.0f; } if ((rawProgress >= colors - 1.0f && rawProgress <= colors)) { float pct = (rawProgress - colors + 1.0f) / 2; drawCircle(canvas, cx, cy, mColors[0], pct); } } if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) { // There is some portion of trigger to draw. Restore the canvas, // then draw the trigger. Otherwise, the trigger does not appear // until after the bar has finished animating and appears to // just jump in at a larger width than expected. canvas.restoreToCount(restoreCount); restoreCount = canvas.save(); canvas.clipRect(bounds); drawTrigger(canvas, cx, cy); } // Keep running until we finish out the last cycle. ViewCompat.postInvalidateOnAnimation(mParent, bounds.left, bounds.top, bounds.right, bounds.bottom); } else { // Otherwise if we're in the middle of a trigger, draw that. if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) { drawTrigger(canvas, cx, cy); } } canvas.restoreToCount(restoreCount); return drawAgain; }
From source file:com.dwdesign.tweetings.util.Utils.java
public static Bitmap getColorPreviewBitmap(final Context context, final int color) { if (context == null) return null; final float density = context.getResources().getDisplayMetrics().density; final int width = (int) (32 * density), height = (int) (32 * density); final Bitmap bm = Bitmap.createBitmap(width, height, Config.ARGB_8888); final Canvas canvas = new Canvas(bm); final int rectrangle_size = (int) (density * 5); final int numRectanglesHorizontal = (int) Math.ceil(width / rectrangle_size); final int numRectanglesVertical = (int) Math.ceil(height / rectrangle_size); final Rect r = new Rect(); boolean verticalStartWhite = true; for (int i = 0; i <= numRectanglesVertical; i++) { boolean isWhite = verticalStartWhite; for (int j = 0; j <= numRectanglesHorizontal; j++) { r.top = i * rectrangle_size; r.left = j * rectrangle_size; r.bottom = r.top + rectrangle_size; r.right = r.left + rectrangle_size; final Paint paint = new Paint(); paint.setColor(isWhite ? Color.WHITE : Color.GRAY); canvas.drawRect(r, paint);//from w w w.jav a 2 s .com isWhite = !isWhite; } verticalStartWhite = !verticalStartWhite; } canvas.drawColor(color); final Paint paint = new Paint(); paint.setColor(Color.WHITE); paint.setStrokeWidth(2.0f); final float[] points = new float[] { 0, 0, width, 0, 0, 0, 0, height, width, 0, width, height, 0, height, width, height }; canvas.drawLines(points, paint); return bm; }
From source file:com.shafiq.myfeedle.core.MyfeedleService.java
private void buildWidgetButtons(Integer appWidgetId, boolean updatesReady, int page, boolean hasbuttons, int scrollable, int buttons_bg_color, int buttons_color, int buttons_textsize, boolean display_profile, int margin) { final String widget = Integer.toString(appWidgetId); // Push update for this widget to the home screen int layout;/*ww w .j a va2 s. c o m*/ if (hasbuttons) { if (sNativeScrollingSupported) { if (margin > 0) layout = R.layout.widget_margin_scrollable; else layout = R.layout.widget_scrollable; } else if (display_profile) { if (margin > 0) layout = R.layout.widget_margin; else layout = R.layout.widget; } else { if (margin > 0) layout = R.layout.widget_noprofile_margin; else layout = R.layout.widget_noprofile; } } else { if (sNativeScrollingSupported) { if (margin > 0) layout = R.layout.widget_nobuttons_margin_scrollable; else layout = R.layout.widget_nobuttons_scrollable; } else if (display_profile) { if (margin > 0) layout = R.layout.widget_nobuttons_margin; else layout = R.layout.widget_nobuttons; } else { if (margin > 0) layout = R.layout.widget_nobuttons_noprofile_margin; else layout = R.layout.widget_nobuttons_noprofile; } } // wrap RemoteViews for backward compatibility RemoteViews views = new RemoteViews(getPackageName(), layout); if (hasbuttons) { Bitmap buttons_bg = Bitmap.createBitmap(1, 1, Config.ARGB_8888); Canvas buttons_bg_canvas = new Canvas(buttons_bg); buttons_bg_canvas.drawColor(buttons_bg_color); views.setImageViewBitmap(R.id.buttons_bg, buttons_bg); views.setTextColor(R.id.buttons_bg_clear, buttons_bg_color); views.setFloat(R.id.buttons_bg_clear, "setTextSize", buttons_textsize); views.setOnClickPendingIntent(R.id.button_post, PendingIntent.getActivity(MyfeedleService.this, 0, Myfeedle.getPackageIntent(MyfeedleService.this, MyfeedleCreatePost.class) .setAction(LauncherIntent.Action.ACTION_VIEW_CLICK).setData(Uri .withAppendedPath(Widgets.getContentUri(MyfeedleService.this), widget)), 0)); views.setTextColor(R.id.button_post, buttons_color); views.setFloat(R.id.button_post, "setTextSize", buttons_textsize); views.setOnClickPendingIntent(R.id.button_configure, PendingIntent.getActivity(MyfeedleService.this, 0, Myfeedle.getPackageIntent(MyfeedleService.this, ManageAccounts.class).setAction(widget), 0)); views.setTextColor(R.id.button_configure, buttons_color); views.setFloat(R.id.button_configure, "setTextSize", buttons_textsize); views.setOnClickPendingIntent(R.id.button_refresh, PendingIntent.getService(MyfeedleService.this, 0, Myfeedle.getPackageIntent(MyfeedleService.this, MyfeedleService.class).setAction(widget), 0)); views.setTextColor(R.id.button_refresh, buttons_color); views.setFloat(R.id.button_refresh, "setTextSize", buttons_textsize); views.setTextColor(R.id.page_up, buttons_color); views.setFloat(R.id.page_up, "setTextSize", buttons_textsize); views.setTextColor(R.id.page_down, buttons_color); views.setFloat(R.id.page_down, "setTextSize", buttons_textsize); } // set margin if (scrollable == 0) { final AppWidgetManager mgr = AppWidgetManager.getInstance(MyfeedleService.this); // check if native scrolling is supported if (sNativeScrollingSupported) { // native scrolling try { final Intent intent = MyfeedleRemoteViewsServiceWrapper .getRemoteAdapterIntent(MyfeedleService.this); if (intent != null) { intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); intent.putExtra(Widgets.DISPLAY_PROFILE, display_profile); intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME))); sSetRemoteAdapter.invoke(views, appWidgetId, R.id.messages, intent); // empty sSetEmptyView.invoke(views, R.id.messages, R.id.empty_messages); // onclick // Bind a click listener template for the contents of the message list final Intent onClickIntent = Myfeedle.getPackageIntent(MyfeedleService.this, MyfeedleWidget.class); onClickIntent.setAction(ACTION_ON_CLICK); onClickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); onClickIntent.setData(Uri.parse(onClickIntent.toUri(Intent.URI_INTENT_SCHEME))); final PendingIntent onClickPendingIntent = PendingIntent.getBroadcast(MyfeedleService.this, 0, onClickIntent, PendingIntent.FLAG_UPDATE_CURRENT); sSetPendingIntentTemplate.invoke(views, R.id.messages, onClickPendingIntent); } else { // fallback on non-scrolling widget sNativeScrollingSupported = false; } } catch (NumberFormatException e) { Log.e(TAG, e.toString()); } catch (IllegalArgumentException e) { Log.e(TAG, e.toString()); } catch (IllegalAccessException e) { Log.e(TAG, e.toString()); } catch (InvocationTargetException e) { Log.e(TAG, e.toString()); } } if (!sNativeScrollingSupported) { Cursor statuses_styles = getContentResolver().query( Uri.withAppendedPath(Statuses_styles.getContentUri(MyfeedleService.this), widget), new String[] { Statuses_styles._ID, Statuses_styles.FRIEND, Statuses_styles.PROFILE, Statuses_styles.MESSAGE, Statuses_styles.CREATEDTEXT, Statuses_styles.MESSAGES_COLOR, Statuses_styles.FRIEND_COLOR, Statuses_styles.CREATED_COLOR, Statuses_styles.MESSAGES_TEXTSIZE, Statuses_styles.FRIEND_TEXTSIZE, Statuses_styles.CREATED_TEXTSIZE, Statuses_styles.STATUS_BG, Statuses_styles.ICON, Statuses_styles.PROFILE_BG, Statuses_styles.FRIEND_BG, Statuses_styles.IMAGE_BG, Statuses_styles.IMAGE }, null, null, Statuses_styles.CREATED + " DESC LIMIT " + page + ",-1"); if (statuses_styles.moveToFirst()) { int count_status = 0; views.removeAllViews(R.id.messages); while (!statuses_styles.isAfterLast() && (count_status < 16)) { int friend_color = statuses_styles.getInt(6), created_color = statuses_styles.getInt(7), friend_textsize = statuses_styles.getInt(9), created_textsize = statuses_styles.getInt(10), messages_color = statuses_styles.getInt(5), messages_textsize = statuses_styles.getInt(8); // get the item wrapper RemoteViews itemView; if (display_profile) { itemView = new RemoteViews(getPackageName(), R.layout.widget_item); // set profiles background byte[] profile_bg = statuses_styles.getBlob(13); if (profile_bg != null) { Bitmap profile_bgbmp = BitmapFactory.decodeByteArray(profile_bg, 0, profile_bg.length, sBFOptions); if (profile_bgbmp != null) itemView.setImageViewBitmap(R.id.profile_bg, profile_bgbmp); } byte[] profile = statuses_styles.getBlob(2); if (profile != null) { Bitmap profilebmp = BitmapFactory.decodeByteArray(profile, 0, profile.length, sBFOptions); if (profilebmp != null) itemView.setImageViewBitmap(R.id.profile, profilebmp); } } else itemView = new RemoteViews(getPackageName(), R.layout.widget_item_noprofile); itemView.setTextViewText(R.id.friend_bg_clear, statuses_styles.getString(1)); itemView.setFloat(R.id.friend_bg_clear, "setTextSize", friend_textsize); itemView.setTextViewText(R.id.message_bg_clear, statuses_styles.getString(3)); itemView.setFloat(R.id.message_bg_clear, "setTextSize", messages_textsize); // set friends background byte[] friend_bg = statuses_styles.getBlob(14); if (friend_bg != null) { Bitmap friend_bgbmp = BitmapFactory.decodeByteArray(friend_bg, 0, friend_bg.length, sBFOptions); if (friend_bgbmp != null) itemView.setImageViewBitmap(R.id.friend_bg, friend_bgbmp); } // set messages background byte[] status_bg = statuses_styles.getBlob(11); if (status_bg != null) { Bitmap status_bgbmp = BitmapFactory.decodeByteArray(status_bg, 0, status_bg.length, sBFOptions); if (status_bgbmp != null) itemView.setImageViewBitmap(R.id.status_bg, status_bgbmp); } // set an image byte[] image_bg = statuses_styles.getBlob(15); byte[] image = statuses_styles.getBlob(16); if ((image_bg != null) && (image != null)) { Bitmap image_bgBmp = BitmapFactory.decodeByteArray(image_bg, 0, image_bg.length, sBFOptions); if (image_bgBmp != null) { Bitmap imageBmp = BitmapFactory.decodeByteArray(image, 0, image.length, sBFOptions); itemView.setImageViewBitmap(R.id.image_clear, image_bgBmp); itemView.setImageViewBitmap(R.id.image, imageBmp); } } itemView.setTextViewText(R.id.message, statuses_styles.getString(3)); itemView.setTextColor(R.id.message, messages_color); itemView.setFloat(R.id.message, "setTextSize", messages_textsize); itemView.setOnClickPendingIntent(R.id.item, PendingIntent.getActivity(MyfeedleService.this, 0, Myfeedle.getPackageIntent(MyfeedleService.this, StatusDialog.class) .setData(Uri.withAppendedPath( Statuses_styles.getContentUri(MyfeedleService.this), Long.toString(statuses_styles.getLong(0)))), 0)); itemView.setTextViewText(R.id.friend, statuses_styles.getString(1)); itemView.setTextColor(R.id.friend, friend_color); itemView.setFloat(R.id.friend, "setTextSize", friend_textsize); itemView.setTextViewText(R.id.created, statuses_styles.getString(4)); itemView.setTextColor(R.id.created, created_color); itemView.setFloat(R.id.created, "setTextSize", created_textsize); // set icons byte[] icon = statuses_styles.getBlob(12); if (icon != null) { Bitmap iconbmp = BitmapFactory.decodeByteArray(icon, 0, icon.length, sBFOptions); if (iconbmp != null) itemView.setImageViewBitmap(R.id.icon, iconbmp); } views.addView(R.id.messages, itemView); count_status++; statuses_styles.moveToNext(); } if (hasbuttons && (page < statuses_styles.getCount())) { // there are more statuses to show, allow paging down views.setOnClickPendingIntent(R.id.page_down, PendingIntent.getService(MyfeedleService.this, 0, Myfeedle.getPackageIntent(MyfeedleService.this, MyfeedleService.class) .setAction(ACTION_PAGE_DOWN) .setData(Uri.withAppendedPath(Widgets.getContentUri(MyfeedleService.this), widget)) .putExtra(ACTION_PAGE_DOWN, page + 1), PendingIntent.FLAG_UPDATE_CURRENT)); } } statuses_styles.close(); if (hasbuttons && (page > 0)) views.setOnClickPendingIntent(R.id.page_up, PendingIntent.getService(MyfeedleService.this, 0, Myfeedle.getPackageIntent(MyfeedleService.this, MyfeedleService.class) .setAction(ACTION_PAGE_UP) .setData(Uri.withAppendedPath(Widgets.getContentUri(MyfeedleService.this), widget)) .putExtra(ACTION_PAGE_UP, page - 1), PendingIntent.FLAG_UPDATE_CURRENT)); } Log.d(TAG, "update native widget: " + appWidgetId); mgr.updateAppWidget(appWidgetId, views); if (sNativeScrollingSupported) { Log.d(TAG, "trigger widget query: " + appWidgetId); try { // trigger query sNotifyAppWidgetViewDataChanged.invoke(mgr, appWidgetId, R.id.messages); } catch (NumberFormatException e) { Log.e(TAG, e.toString()); } catch (IllegalArgumentException e) { Log.e(TAG, e.toString()); } catch (IllegalAccessException e) { Log.e(TAG, e.toString()); } catch (InvocationTargetException e) { Log.e(TAG, e.toString()); } } } else if (updatesReady) { // Log.d(TAG, "notify updatesReady"); getContentResolver().notifyChange(Statuses_styles.getContentUri(MyfeedleService.this), null); } else { AppWidgetManager.getInstance(MyfeedleService.this).updateAppWidget(Integer.parseInt(widget), views); buildScrollableWidget(appWidgetId, scrollable, display_profile); } }
From source file:com.fishstix.dosboxfree.DBGLSurfaceView.java
private void canvasDraw(Bitmap bitmap, int src_width, int src_height, int startLine, int endLine) { SurfaceHolder surfaceHolder = getHolder(); Surface surface = surfaceHolder.getSurface(); Canvas canvas = null; try {/*from w ww . j a va2s. co m*/ synchronized (surfaceHolder) { boolean isDirty = false; if (mDirtyCount < 3) { mDirtyCount++; isDirty = true; startLine = 0; endLine = src_height; } if (mScale) { mDstRect.set(0, 0, mRenderer.width, mRenderer.height); mSrcRect.set(0, 0, src_width, src_height); mDstRect.offset(mRenderer.x, mRenderer.y); mDirtyRect.set(0, startLine * mRenderer.height / src_height, mRenderer.width, endLine * mRenderer.height / src_height + 1); //locnet, 2011-04-21, a strip on right side not updated mDirtyRect.offset(mRenderer.x, mRenderer.y); } else { //L,T,R,B mSrcRect.set(-mScroll_x, Math.max(-mScroll_y, startLine), mRenderer.mCropWorkspace[2], Math.min(Math.min(getHeight() - mScroll_y, src_height), endLine)); mDstRect.set(0, mSrcRect.top + mScroll_y, mSrcRect.width(), mSrcRect.top + mScroll_y + mSrcRect.height()); if (isLandscape) { mDstRect.offset((getWidth() - mSrcRect.width()) / 2, 0); } else { mDstRect.offset((getWidth() - mSrcRect.width()) / 2, mActionBarHeight); } mDirtyRect.set(mDstRect); } if (surface != null && surface.isValid()) { if (isDirty) { canvas = surfaceHolder.lockCanvas(null); canvas.drawColor(0xff000000); } else { canvas = surfaceHolder.lockCanvas(mDirtyRect); } if (mScale) { canvas.drawBitmap(bitmap, mSrcRect, mDstRect, (mParent.mPrefScaleFilterOn) ? mBitmapPaint : null); } else { canvas.drawBitmap(bitmap, mSrcRect, mDstRect, null); } } } } finally { if (canvas != null && surface != null && surface.isValid()) { surfaceHolder.unlockCanvasAndPost(canvas); } } surfaceHolder = null; }