Optionally use hardware rendering on Android 10 and later

documentation/docs/help/en/Advanced preferences.md

@@ -395,7 +395,7 @@ Enable voice command support: Default: _off_.
 
 ### Enable hardware acceleration
 
-Do not use, may cause hangs of the app and other problems.
+Turn on use of hardware rendering on Android 10 and later. Default: _off_
 
 ### Enable split window property editor
 

src/main/assets/help/en/Advanced preferences.html

@@ -203,7 +203,7 @@ <h3>Enable JS Console</h3>
 <h3>Enable voice commands</h3>
 <p>Enable voice command support: Default: <em>off</em>.</p>
 <h3>Enable hardware acceleration</h3>
-<p>Do not use, may cause hangs of the app and other problems.</p>
+<p>Turn on use of hardware rendering on Android 10 and later. Default: <em>off</em></p>
 <h3>Enable split window property editor</h3>
 <p>Enable displaying the property editor in a separate window if available. Default: <em>off</em></p>
 <h3>Use &quot;new task&quot; mode for property editor</h3>

src/main/assets/styles/Color-round-no-mp.xml

@@ -32,7 +32,7 @@
         </dash>
     </feature>
     <!-- Validation -->
-    <feature type="problem_node" updateWidth="true" widthFactor="2.0" color="ffff00ff" style="STROKE" cap="ROUND" join="MITER" />
+    <feature type="problem_node" updateWidth="true" widthFactor="2.0" color="ffff00ff" style="FILL" cap="ROUND" join="MITER" />
     <feature type="problem_node_tagged" updateWidth="true" widthFactor="1.5" color="ffff00ff" style="FILL" cap="BUTT" join="MITER" />
     <feature type="problem_node_thin" updateWidth="false" widthFactor="1.0" color="ffff00ff" style="STROKE" cap="BUTT" join="MITER" strokeWidth="1.0" typefacestyle="0" textsize="12.0" />
     <feature type="problem_way" updateWidth="true" widthFactor="1.5" color="ffff00ff" style="STROKE" cap="BUTT" join="MITER" labelKey="name" />

src/main/assets/styles/Color-round.xml

@@ -32,7 +32,7 @@
         </dash>
     </feature>
     <!-- Validation -->
-    <feature type="problem_node" updateWidth="true" widthFactor="2.0" color="ffff00ff" style="STROKE" cap="ROUND" join="MITER" />
+    <feature type="problem_node" updateWidth="true" widthFactor="2.0" color="ffff00ff" style="FILL" cap="ROUND" join="MITER" />
     <feature type="problem_node_tagged" updateWidth="true" widthFactor="1.5" color="ffff00ff" style="FILL" cap="BUTT" join="MITER" />
     <feature type="problem_node_thin" updateWidth="false" widthFactor="1.0" color="ffff00ff" style="STROKE" cap="BUTT" join="MITER" strokeWidth="1.0" typefacestyle="0" textsize="12.0" />
     <feature type="problem_way" updateWidth="true" widthFactor="1.5" color="ffff00ff" style="STROKE" cap="BUTT" join="MITER" labelKey="name" />

src/main/assets/styles/No-path-patterns.xml

@@ -32,7 +32,7 @@
         </dash>
     </feature>
     <!-- Validation -->
-    <feature type="problem_node" updateWidth="true" widthFactor="2.0" color="ffff00ff" style="STROKE" cap="ROUND" join="MITER" />
+    <feature type="problem_node" updateWidth="true" widthFactor="2.0" color="ffff00ff" style="FILL" cap="ROUND" join="MITER" />
     <feature type="problem_node_tagged" updateWidth="true" widthFactor="1.5" color="ffff00ff" style="FILL" cap="BUTT" join="MITER" />
     <feature type="problem_node_thin" updateWidth="false" widthFactor="1.0" color="ffff00ff" style="STROKE" cap="BUTT" join="MITER" strokeWidth="1.0" typefacestyle="0" textsize="12.0" />
     <feature type="problem_way" updateWidth="true" widthFactor="1.5" color="ffff00ff" style="STROKE" cap="BUTT" join="MITER" labelKey="name" />

src/main/assets/styles/Pen-round.xml

@@ -32,7 +32,7 @@
         </dash>
     </feature>
     <!-- Validation -->
-    <feature type="problem_node" updateWidth="true" widthFactor="2.0" color="ffff00ff" style="STROKE" cap="ROUND" join="MITER" />
+    <feature type="problem_node" updateWidth="true" widthFactor="2.0" color="ffff00ff" style="FILL" cap="ROUND" join="MITER" />
     <feature type="problem_node_tagged" updateWidth="true" widthFactor="1.5" color="ffff00ff" style="FILL" cap="BUTT" join="MITER" />
     <feature type="problem_node_thin" updateWidth="false" widthFactor="1.0" color="ffff00ff" style="STROKE" cap="BUTT" join="MITER" strokeWidth="1.0" typefacestyle="0" textsize="12.0" />
     <feature type="problem_way" updateWidth="true" widthFactor="1.5" color="ffff00ff" style="STROKE" cap="BUTT" join="MITER" labelKey="name" />

src/main/java/de/blau/android/Map.java

@@ -172,6 +172,8 @@ public class Map extends View implements IMapView {
 
     private TrackerService tracker = null;
 
+    private final boolean hardwareLayerType;
+
     /**
      * Construct a new Map object that orchestrates the layer drawing and related rendering
      * 
@@ -192,7 +194,8 @@ public Map(@NonNull final Context context) {
 
         iconRadius = Density.dpToPx(context, ICON_SIZE_DP / 2);
 
-        setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+        hardwareLayerType = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && App.getPreferences(context).hwAccelerationEnabled();
+        setLayerType(hardwareLayerType ? View.LAYER_TYPE_HARDWARE : View.LAYER_TYPE_SOFTWARE, null);
     }
 
     /**
@@ -225,7 +228,7 @@ public void setUpLayers(@NonNull Context ctx) {
                                     layer = new de.blau.android.layer.mvt.MapOverlay(this, new VectorTileRenderer(), false);
                                     ((MapTilesOverlayLayer<?>) layer).setRendererInfo(backgroundSource);
                                 } else {
-                                    layer = new MapTilesLayer<Bitmap>(this, backgroundSource, null, new MapTilesLayer.BitmapTileRenderer());
+                                    layer = new MapTilesLayer<Bitmap>(this, backgroundSource, null, new MapTilesLayer.BitmapTileRenderer(hardwareLayerType));
                                 }
                             }
                             break;
@@ -235,7 +238,7 @@ public void setUpLayers(@NonNull Context ctx) {
                                 if (overlaySource.getTileType() == TileType.MVT) {
                                     layer = new de.blau.android.layer.mvt.MapOverlay(this, new VectorTileRenderer(), true);
                                 } else {
-                                    layer = new MapTilesOverlayLayer<Bitmap>(this, new MapTilesLayer.BitmapTileRenderer());
+                                    layer = new MapTilesOverlayLayer<Bitmap>(this, new MapTilesLayer.BitmapTileRenderer(hardwareLayerType));
                                 }
                                 ((MapTilesOverlayLayer<?>) layer).setRendererInfo(overlaySource);
                             }
@@ -1302,4 +1305,15 @@ public TrackerService getTracker() {
     public boolean rtlLayout() {
         return getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
     }
+
+    /**
+     * Check if we configured hardware acceleration
+     * 
+     * The value returned from isHardwareAccelerated seems to not necessarily be consistent with what we set
+     * 
+     * @return true if we enabled hardware acceleration
+     */
+    public boolean isHardwareLayerType() {
+        return hardwareLayerType;
+    }
 }

src/main/java/de/blau/android/dialogs/TileSourceDiagnostics.java

@@ -153,7 +153,7 @@ protected Void doInBackground(Void param) {
                     text.setText(tester.getOutput());
                     byte[] image = tester.getTile();
                     if (result && tester.getTileType() == TileType.BITMAP && image != null && image.length > 0) {
-                        BitmapDecoder decoder = new BitmapDecoder();
+                        BitmapDecoder decoder = new BitmapDecoder(false);
                         Bitmap bitmap = decoder.decode(image, false);
                         if (bitmap != null) {
                             tileView.setVisibility(View.VISIBLE);

src/main/java/de/blau/android/layer/data/MapOverlay.java

@@ -478,7 +478,7 @@ protected void onDraw(Canvas canvas, IMapView osmv) {
     @SuppressWarnings("unchecked")
     private void paintOsmData(@NonNull final Canvas canvas) {
 
-        boolean hwAccelarationWorkaround = canvas.isHardwareAccelerated();
+        boolean hwAccelerated = canvas.isHardwareAccelerated();
 
         int screenWidth = map.getWidth();
         int screenHeight = map.getHeight();
@@ -607,8 +607,7 @@ private void paintOsmData(@NonNull final Canvas canvas) {
                     coordSize++;
                 }
             }
-            paintNode(canvas, n, x, y, hwAccelarationWorkaround,
-                    drawTolerance && !noTolerance && (n.getState() != OsmElement.STATE_UNCHANGED || isInDownload(lon, lat)));
+            paintNode(canvas, n, x, y, hwAccelerated, drawTolerance && !noTolerance && (n.getState() != OsmElement.STATE_UNCHANGED || isInDownload(lon, lat)));
         }
         // turn restrictions
         if (inNodeIconZoomRange && showIcons) {
@@ -977,10 +976,10 @@ private void paintRestriction(@NonNull final Canvas canvas, int screenWidth, int
      * @param node Node to be painted.
      * @param x screen x coordinate
      * @param y screen y coordinate
-     * @param hwAccelarationWorkaround use a workaround for unsupported operations when HW acceleration is used
+     * @param hwAccelerated use a workaround for unsupported operations when HW acceleration is used
      * @param drawTolerance draw the touch halo
      */
-    private void paintNode(@NonNull final Canvas canvas, @NonNull final Node node, final float x, final float y, final boolean hwAccelarationWorkaround,
+    private void paintNode(@NonNull final Canvas canvas, @NonNull final Node node, final float x, final float y, final boolean hwAccelerated,
             final boolean drawTolerance) {
 
         boolean isSelected = tmpDrawingSelectedNodes != null && tmpDrawingSelectedNodes.contains(node);
@@ -1068,57 +1067,58 @@ private void paintNode(@NonNull final Canvas canvas, @NonNull final Node node, f
             isTagged = false;
         }
 
-        if (isTagged) {
-            boolean noIcon = true;
-            if (inNodeIconZoomRange && showIcons) {
-                Float direction = getDirection(node);
-                if (direction != null && !direction.equals(Float.NaN)) {
-                    canvas.save();
-                    canvas.rotate(direction + 90, x, y);
-                    canvas.translate(x - iconRadius, y);
-                    canvas.drawPath(currentStyle.getDirectionArrowPath(), nodeFeatureStyle.getPaint());
-                    canvas.restore();
-                }
+        if (!isTagged) {
+            // this bit of code duplication makes sense
+            if (zoomLevel < featureStyle.getMinVisibleZoom()) {
+                return;
+            }
+            Paint paint = featureStyle.getPaint();
+            if (hwAccelerated) { // we don't actually know if this is slower than drawPoint
+                canvas.drawCircle(x, y, paint.getStrokeWidth() / 2, paint);
+            } else {
+                canvas.drawPoint(x, y, paint);
+            }
+            return;
+        }
 
-                noIcon = tmpPresets == null || !paintNodeIcon(node, canvas, x, y, isSelected || hasProblem ? featureStyleTagged : null);
-                if (noIcon) {
-                    String houseNumber = node.getTagWithKey(Tags.KEY_ADDR_HOUSENUMBER);
-                    if (houseNumber != null && !"".equals(houseNumber)) { // draw house-numbers
-                        paintHouseNumber(x, y, canvas, featureStyleThin, featureStyleFontSmall, houseNumber);
-                        return;
-                    }
-                } else if (zoomLevel > showIconLabelZoomLimit) {
-                    paintLabel(x, y, canvas, featureStyleFont, node, nodeFeatureStyleTagged.getPaint().getStrokeWidth(), true);
-                }
+        boolean noIcon = true;
+        if (inNodeIconZoomRange && showIcons) {
+            Float direction = getDirection(node);
+            if (direction != null && !direction.equals(Float.NaN)) {
+                canvas.save();
+                canvas.rotate(direction + 90, x, y);
+                canvas.translate(x - iconRadius, y);
+                canvas.drawPath(currentStyle.getDirectionArrowPath(), nodeFeatureStyle.getPaint());
+                canvas.restore();
             }
 
+            noIcon = tmpPresets == null || !paintNodeIcon(node, canvas, x, y, isSelected || hasProblem ? featureStyleTagged : null);
             if (noIcon) {
-                // draw regular nodes or without icons
-                if (zoomLevel < featureStyleTagged.getMinVisibleZoom()) {
+                String houseNumber = node.getTagWithKey(Tags.KEY_ADDR_HOUSENUMBER);
+                if (houseNumber != null && !"".equals(houseNumber)) { // draw house-numbers
+                    paintHouseNumber(x, y, canvas, featureStyleThin, featureStyleFontSmall, houseNumber);
                     return;
                 }
-                Paint paint = featureStyleTagged.getPaint();
-                float strokeWidth = paint.getStrokeWidth();
-                if (hwAccelarationWorkaround) {
-                    canvas.drawCircle(x, y, strokeWidth / 2, paint);
-                } else {
-                    canvas.drawPoint(x, y, paint);
-                }
-                if (inNodeIconZoomRange) {
-                    paintLabel(x, y, canvas, featureStyleFont, node, strokeWidth, false);
-                }
+            } else if (zoomLevel > showIconLabelZoomLimit) {
+                paintLabel(x, y, canvas, featureStyleFont, node, nodeFeatureStyleTagged.getPaint().getStrokeWidth(), true);
             }
-        } else {
-            // this bit of code duplication makes sense
-            if (zoomLevel < featureStyle.getMinVisibleZoom()) {
+        }
+
+        if (noIcon) {
+            // draw regular nodes or without icons
+            if (zoomLevel < featureStyleTagged.getMinVisibleZoom()) {
                 return;
             }
-            Paint paint = featureStyle.getPaint();
-            if (hwAccelarationWorkaround) { // FIXME we don't actually know if this is slower than drawPoint
-                canvas.drawCircle(x, y, paint.getStrokeWidth() / 2, paint);
+            Paint paint = featureStyleTagged.getPaint();
+            float strokeWidth = paint.getStrokeWidth();
+            if (hwAccelerated) {
+                canvas.drawCircle(x, y, strokeWidth / 2, paint);
             } else {
                 canvas.drawPoint(x, y, paint);
             }
+            if (inNodeIconZoomRange) {
+                paintLabel(x, y, canvas, featureStyleFont, node, strokeWidth, false);
+            }
         }
     }
 
@@ -1271,8 +1271,13 @@ private void retrieveIcon(@NonNull OsmElement element, boolean isWay, @NonNull W
         }
         Bitmap icon;
         if (iconDrawable != null) {
-            icon = Bitmap.createBitmap(iconRadius * 2, iconRadius * 2, Config.ARGB_8888);
+            icon = Bitmap.createBitmap(iconRadius * 2, iconRadius * 2, Bitmap.Config.ARGB_8888);
             iconDrawable.draw(new Canvas(icon));
+            if (map.isHardwareLayerType()) {
+                Bitmap temp = icon;
+                icon = temp.copy(Bitmap.Config.HARDWARE, false);
+                temp.recycle();
+            }
         } else {
             icon = NOICON;
         }

src/main/java/de/blau/android/layer/tasks/MapOverlay.java

@@ -1,5 +1,7 @@
 package de.blau.android.layer.tasks;
 
+import static de.blau.android.contract.Constants.LOG_TAG_LEN;
+
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -59,7 +61,8 @@
 public class MapOverlay extends MapViewLayer
         implements ExtentInterface, DiscardInterface, ClickableInterface<Task>, LayerInfoInterface, ConfigureInterface, PruneableInterface {
 
-    private static final String DEBUG_TAG = MapOverlay.class.getSimpleName().substring(0, Math.min(23, MapOverlay.class.getSimpleName().length()));
+    private static final int    TAG_LEN   = Math.min(LOG_TAG_LEN, MapOverlay.class.getSimpleName().length());
+    private static final String DEBUG_TAG = MapOverlay.class.getSimpleName().substring(0, TAG_LEN);
 
     public static final String FILENAME = "selectedtask" + "." + FileExtensions.RES;
 
@@ -120,10 +123,11 @@ public MapOverlay(@NonNull final Map map) {
         setPrefs(prefs);
         download = new TaskDownloader(prefs.getServer());
         // the following sets up the static icon caches
-        Note.setupIconCache(context);
-        OsmoseBug.setupIconCache(context);
-        MapRouletteTask.setupIconCache(context);
-        Todo.setupIconCache(context);
+        boolean hwAccelerated = map.isHardwareLayerType();
+        Note.setupIconCache(context, hwAccelerated);
+        OsmoseBug.setupIconCache(context, hwAccelerated);
+        MapRouletteTask.setupIconCache(context, hwAccelerated);
+        Todo.setupIconCache(context, hwAccelerated);
     }
 
     @Override

src/main/java/de/blau/android/prefs/AdvancedPrefEditorFragment.java

@@ -1,5 +1,7 @@
 package de.blau.android.prefs;
 
+import static de.blau.android.contract.Constants.LOG_TAG_LEN;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -21,7 +23,8 @@
 
 public class AdvancedPrefEditorFragment extends ExtendedPreferenceFragment {
 
-    private static final String DEBUG_TAG = AdvancedPrefEditorFragment.class.getSimpleName().substring(0, Math.min(23, AdvancedPrefEditorFragment.class.getSimpleName().length()));
+    private static final int    TAG_LEN   = Math.min(LOG_TAG_LEN, AdvancedPrefEditorFragment.class.getSimpleName().length());
+    private static final String DEBUG_TAG = AdvancedPrefEditorFragment.class.getSimpleName().substring(0, TAG_LEN);
 
     private Resources    r;
     AdvancedPrefDatabase db;
@@ -87,6 +90,7 @@ public void onResume() {
         setRestartRequiredMessage(R.string.config_autosaveMaxFiles_key);
         setRestartRequiredMessage(R.string.config_indexMediaStore_key);
         setRestartRequiredMessage(R.string.config_supportPresetLabels_key);
+        setRestartRequiredMessage(R.string.config_enableHwAcceleration_key);
         setTitle();
     }
 

src/main/java/de/blau/android/tasks/MapRouletteTask.java

@@ -59,12 +59,15 @@ public class MapRouletteTask extends LongIdTask {
 
     /**
      * Setup the icon caches
+     * 
+     * @param context android Context
+     * @param hwAccelerated true if the Canvas is hw accelerated
      */
-    public static void setupIconCache(Context context) {
-        cachedIconRouletteOpen = getIcon(context, R.drawable.roulette_open);
-        cachedIconRouletteChanged = getIcon(context, R.drawable.roulette_changed);
-        cachedIconChangedRouletteClosed = getIcon(context, R.drawable.roulette_closed_changed);
-        cachedIconRouletteClosed = getIcon(context, R.drawable.roulette_closed);
+    public static void setupIconCache(@NonNull Context context, boolean hwAccelerated) {
+        cachedIconRouletteOpen = getIcon(context, R.drawable.roulette_open, hwAccelerated);
+        cachedIconRouletteChanged = getIcon(context, R.drawable.roulette_changed, hwAccelerated);
+        cachedIconChangedRouletteClosed = getIcon(context, R.drawable.roulette_closed_changed, hwAccelerated);
+        cachedIconRouletteClosed = getIcon(context, R.drawable.roulette_closed, hwAccelerated);
     }
 
     @Override

src/main/java/de/blau/android/tasks/Note.java

@@ -109,12 +109,15 @@ public Note(XmlPullParser parser) throws XmlPullParserException, IOException, Nu
 
     /**
      * Setup the icon caches
+     * 
+     * @param context android Context
+     * @param hwAccelerated true if the Canvas is hw accelerated
      */
-    public static void setupIconCache(Context context) {
-        cachedIconNoteOpen = getIcon(context, R.drawable.note_open);
-        cachedIconNoteChanged = getIcon(context, R.drawable.note_changed);
-        cachedIconNoteChangedClosed = getIcon(context, R.drawable.note_changed_closed);
-        cachedIconNoteClosed = getIcon(context, R.drawable.note_closed);
+    public static void setupIconCache(@NonNull Context context, boolean hwAccelerated) {
+        cachedIconNoteOpen = getIcon(context, R.drawable.note_open, hwAccelerated);
+        cachedIconNoteChanged = getIcon(context, R.drawable.note_changed, hwAccelerated);
+        cachedIconNoteChangedClosed = getIcon(context, R.drawable.note_changed_closed, hwAccelerated);
+        cachedIconNoteClosed = getIcon(context, R.drawable.note_closed, hwAccelerated);
     }
 
     /**