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Clean up Drawable annotations

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No functional changes.

Bug: 23621364
Change-Id: Ia5ac34eb8464ee40afd7052f34b42bb6153260bf
This commit is contained in:
Alan Viverette
2016-04-13 10:14:06 -04:00
parent 68b19f2778
commit b8cbb806fc
2 changed files with 78 additions and 57 deletions
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14
graphics/java/android/graphics/PixelFormat.java
View File

@@ -16,8 +16,18 @@
package android.graphics;
public class PixelFormat
{
import android.annotation.IntDef;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
public class PixelFormat {
/** @hide */
@IntDef({UNKNOWN, TRANSLUCENT, TRANSPARENT, OPAQUE})
@Retention(RetentionPolicy.SOURCE)
public @interface Opacity {}
/* these constants need to match those in hardware/hardware.h */
public static final int UNKNOWN = 0;

121
graphics/java/android/graphics/drawable/Drawable.java
View File

@@ -16,7 +16,14 @@
package android.graphics.drawable;
import com.android.internal.R;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import android.annotation.AttrRes;
import android.annotation.ColorInt;
import android.annotation.IntRange;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.content.pm.ActivityInfo.Config;
@@ -47,17 +54,12 @@ import android.util.TypedValue;
import android.util.Xml;
import android.view.View;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.WeakReference;
import java.util.Arrays;
import java.util.Collection;
import com.android.internal.R;
/**
* A Drawable is a general abstraction for "something that can be drawn." Most
* often you will deal with Drawable as the type of resource retrieved for
@@ -148,7 +150,7 @@ public abstract class Drawable {
*
* @param canvas The canvas to draw into
*/
public abstract void draw(Canvas canvas);
public abstract void draw(@NonNull Canvas canvas);
/**
* Specify a bounding rectangle for the Drawable. This is where the drawable
@@ -176,7 +178,7 @@ public abstract class Drawable {
* Specify a bounding rectangle for the Drawable. This is where the drawable
* will draw when its draw() method is called.
*/
public void setBounds(Rect bounds) {
public void setBounds(@NonNull Rect bounds) {
setBounds(bounds.left, bounds.top, bounds.right, bounds.bottom);
}
@@ -188,7 +190,7 @@ public abstract class Drawable {
* @param bounds Rect to receive the drawable's bounds (allocated by the
* caller).
*/
public final void copyBounds(Rect bounds) {
public final void copyBounds(@NonNull Rect bounds) {
bounds.set(mBounds);
}
@@ -200,6 +202,7 @@ public abstract class Drawable {
*
* @return A copy of the drawable's bounds
*/
@NonNull
public final Rect copyBounds() {
return new Rect(mBounds);
}
@@ -219,6 +222,7 @@ public abstract class Drawable {
* @see #copyBounds()
* @see #copyBounds(android.graphics.Rect)
*/
@NonNull
public final Rect getBounds() {
if (mBounds == ZERO_BOUNDS_RECT) {
mBounds = new Rect();
@@ -237,6 +241,7 @@ public abstract class Drawable {
*
* @return The dirty bounds of this drawable
*/
@NonNull
public Rect getDirtyBounds() {
return getBounds();
}
@@ -354,8 +359,8 @@ public abstract class Drawable {
*
* @see #getCallback()
*/
public final void setCallback(Callback cb) {
mCallback = new WeakReference<Callback>(cb);
public final void setCallback(@Nullable Callback cb) {
mCallback = cb != null ? new WeakReference<>(cb) : null;
}
/**
@@ -366,11 +371,9 @@ public abstract class Drawable {
*
* @see #setCallback(android.graphics.drawable.Drawable.Callback)
*/
@Nullable
public Callback getCallback() {
if (mCallback != null) {
return mCallback.get();
}
return null;
return mCallback != null ? mCallback.get() : null;
}
/**
@@ -399,7 +402,7 @@ public abstract class Drawable {
*
* @see Callback#scheduleDrawable
*/
public void scheduleSelf(Runnable what, long when) {
public void scheduleSelf(@NonNull Runnable what, long when) {
final Callback callback = getCallback();
if (callback != null) {
callback.scheduleDrawable(this, what, when);
@@ -415,7 +418,7 @@ public abstract class Drawable {
*
* @see Callback#unscheduleDrawable
*/
public void unscheduleSelf(Runnable what) {
public void unscheduleSelf(@NonNull Runnable what) {
final Callback callback = getCallback();
if (callback != null) {
callback.unscheduleDrawable(this, what);
@@ -429,7 +432,7 @@ public abstract class Drawable {
* {@link android.view.View#LAYOUT_DIRECTION_RTL}
* @see #setLayoutDirection(int)
*/
public int getLayoutDirection() {
public @View.ResolvedLayoutDir int getLayoutDirection() {
return mLayoutDirection;
}
@@ -467,7 +470,7 @@ public abstract class Drawable {
* Specify an alpha value for the drawable. 0 means fully transparent, and
* 255 means fully opaque.
*/
public abstract void setAlpha(int alpha);
public abstract void setAlpha(@IntRange(from=0,to=255) int alpha);
/**
* Gets the current alpha value for the drawable. 0 means fully transparent,
@@ -476,6 +479,7 @@ public abstract class Drawable {
* The default return value is 255 if the class does not override this method to return a value
* specific to its use of alpha.
*/
@IntRange(from=0,to=255)
public int getAlpha() {
return 0xFF;
}
@@ -489,7 +493,7 @@ public abstract class Drawable {
* Drawables draw is private implementation detail, and not something apps
* should rely upon.
*/
public void setXfermode(Xfermode mode) {
public void setXfermode(@Nullable Xfermode mode) {
// Base implementation drops it on the floor for compatibility. Whee!
}
@@ -592,7 +596,7 @@ public abstract class Drawable {
*
* @return the current color filter, or {@code null} if none set
*/
public ColorFilter getColorFilter() {
public @Nullable ColorFilter getColorFilter() {
return null;
}
@@ -629,7 +633,7 @@ public abstract class Drawable {
* @param outRect the rect to populate with the hotspot bounds
* @see #setHotspotBounds(int, int, int, int)
*/
public void getHotspotBounds(Rect outRect) {
public void getHotspotBounds(@NonNull Rect outRect) {
outRect.set(getBounds());
}
@@ -677,7 +681,7 @@ public abstract class Drawable {
* of the Drawable to change (hence requiring an invalidate), otherwise
* returns false.
*/
public boolean setState(final int[] stateSet) {
public boolean setState(@NonNull final int[] stateSet) {
if (!Arrays.equals(mStateSet, stateSet)) {
mStateSet = stateSet;
return onStateChange(stateSet);
@@ -692,7 +696,7 @@ public abstract class Drawable {
* Some drawables may modify their imagery based on the selected state.
* @return An array of resource Ids describing the current state.
*/
public int[] getState() {
public @NonNull int[] getState() {
return mStateSet;
}
@@ -709,7 +713,7 @@ public abstract class Drawable {
* {@link StateListDrawable} and {@link LevelListDrawable} this will be the child drawable
* currently in use.
*/
public Drawable getCurrent() {
public @NonNull Drawable getCurrent() {
return this;
}
@@ -729,7 +733,7 @@ public abstract class Drawable {
* of the Drawable to change (hence requiring an invalidate), otherwise
* returns false.
*/
public final boolean setLevel(int level) {
public final boolean setLevel(@IntRange(from=0,to=10000) int level) {
if (mLevel != level) {
mLevel = level;
return onLevelChange(level);
@@ -742,7 +746,7 @@ public abstract class Drawable {
*
* @return int Current level, from 0 (minimum) to 10000 (maximum).
*/
public final int getLevel() {
public final @IntRange(from=0,to=10000) int getLevel() {
return mLevel;
}
@@ -839,7 +843,7 @@ public abstract class Drawable {
*
* @see android.graphics.PixelFormat
*/
public abstract int getOpacity();
public abstract @PixelFormat.Opacity int getOpacity();
/**
* Return the appropriate opacity value for two source opacities. If
@@ -856,7 +860,8 @@ public abstract class Drawable {
*
* @see #getOpacity
*/
public static int resolveOpacity(int op1, int op2) {
public static @PixelFormat.Opacity int resolveOpacity(@PixelFormat.Opacity int op1,
@PixelFormat.Opacity int op2) {
if (op1 == op2) {
return op1;
}
@@ -885,7 +890,7 @@ public abstract class Drawable {
* report, else a Region holding the parts of the Drawable's bounds that
* are transparent.
*/
public Region getTransparentRegion() {
public @Nullable Region getTransparentRegion() {
return null;
}
@@ -898,7 +903,10 @@ public abstract class Drawable {
* if it looks the same and there is no need to redraw it since its
* last state.
*/
protected boolean onStateChange(int[] state) { return false; }
protected boolean onStateChange(int[] state) {
return false;
}
/** Override this in your subclass to change appearance if you vary based
* on level.
* @return Returns true if the level change has caused the appearance of
@@ -906,12 +914,17 @@ public abstract class Drawable {
* if it looks the same and there is no need to redraw it since its
* last level.
*/
protected boolean onLevelChange(int level) { return false; }
protected boolean onLevelChange(int level) {
return false;
}
/**
* Override this in your subclass to change appearance if you vary based on
* the bounds.
*/
protected void onBoundsChange(Rect bounds) {}
protected void onBoundsChange(Rect bounds) {
// Stub method.
}
/**
* Returns the drawable's intrinsic width.
@@ -986,7 +999,7 @@ public abstract class Drawable {
*
* @hide
*/
public Insets getOpticalInsets() {
public @NonNull Insets getOpticalInsets() {
return Insets.NONE;
}
@@ -1020,7 +1033,7 @@ public abstract class Drawable {
* @see ConstantState
* @see #getConstantState()
*/
public Drawable mutate() {
public @NonNull Drawable mutate() {
return this;
}
@@ -1126,9 +1139,10 @@ public abstract class Drawable {
AttributeSet attrs = Xml.asAttributeSet(parser);
int type;
while ((type=parser.next()) != XmlPullParser.START_TAG &&
type != XmlPullParser.END_DOCUMENT) {
// Empty loop
//noinspection StatementWithEmptyBody
while ((type=parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
// Empty loop.
}
if (type != XmlPullParser.START_TAG) {
@@ -1222,8 +1236,9 @@ public abstract class Drawable {
* @throws XmlPullParserException
* @throws IOException
*/
void inflateWithAttributes(@NonNull Resources r, @NonNull XmlPullParser parser,
@NonNull TypedArray attrs, int visibleAttr) throws XmlPullParserException, IOException {
void inflateWithAttributes(@NonNull @SuppressWarnings("unused") Resources r,
@NonNull @SuppressWarnings("unused") XmlPullParser parser, @NonNull TypedArray attrs,
@AttrRes int visibleAttr) throws XmlPullParserException, IOException {
mVisible = attrs.getBoolean(visibleAttr, mVisible);
}
@@ -1254,8 +1269,7 @@ public abstract class Drawable {
* @return a new drawable object based on this constant state
* @see {@link #newDrawable(Resources)}
*/
@NonNull
public abstract Drawable newDrawable();
public abstract @NonNull Drawable newDrawable();
/**
* Creates a new Drawable instance from its constant state using the
@@ -1269,8 +1283,7 @@ public abstract class Drawable {
* be displayed
* @return a new drawable object based on this constant state
*/
@NonNull
public Drawable newDrawable(@Nullable Resources res) {
public @NonNull Drawable newDrawable(@Nullable Resources res) {
return newDrawable();
}
@@ -1288,8 +1301,8 @@ public abstract class Drawable {
* displayed
* @return a new drawable object based on this constant state
*/
@NonNull
public Drawable newDrawable(@Nullable Resources res, @Nullable Theme theme) {
public @NonNull Drawable newDrawable(@Nullable Resources res,
@Nullable @SuppressWarnings("unused") Theme theme) {
return newDrawable(res);
}
@@ -1303,12 +1316,12 @@ public abstract class Drawable {
* @return Total pixel count
* @hide
*/
public int addAtlasableBitmaps(Collection<Bitmap> atlasList) {
public int addAtlasableBitmaps(@NonNull Collection<Bitmap> atlasList) {
return 0;
}
/** @hide */
protected final boolean isAtlasable(Bitmap bitmap) {
protected final boolean isAtlasable(@Nullable Bitmap bitmap) {
return bitmap != null && bitmap.getConfig() == Bitmap.Config.ARGB_8888;
}
@@ -1327,7 +1340,7 @@ public abstract class Drawable {
* @see ConstantState
* @see Drawable#mutate()
*/
public ConstantState getConstantState() {
public @Nullable ConstantState getConstantState() {
return null;
}
@@ -1345,8 +1358,8 @@ public abstract class Drawable {
* Ensures the tint filter is consistent with the current tint color and
* mode.
*/
PorterDuffColorFilter updateTintFilter(PorterDuffColorFilter tintFilter, ColorStateList tint,
PorterDuff.Mode tintMode) {
@Nullable PorterDuffColorFilter updateTintFilter(@Nullable PorterDuffColorFilter tintFilter,
@Nullable ColorStateList tint, @Nullable PorterDuff.Mode tintMode) {
if (tint == null || tintMode == null) {
return null;
}
@@ -1365,8 +1378,8 @@ public abstract class Drawable {
* Obtains styled attributes from the theme, if available, or unstyled
* resources if the theme is null.
*/
static TypedArray obtainAttributes(
Resources res, Theme theme, AttributeSet set, int[] attrs) {
static @NonNull TypedArray obtainAttributes(@NonNull Resources res, @Nullable Theme theme,
@NonNull AttributeSet set, @NonNull int[] attrs) {
if (theme == null) {
return res.obtainAttributes(set, attrs);
}
@@ -1418,8 +1431,6 @@ public abstract class Drawable {
final int rounded = Math.round(result);
if (rounded != 0) {
return rounded;
} else if (pixels == 0) {
return 0;
} else if (pixels > 0) {
return 1;
} else {
@@ -1440,7 +1451,7 @@ public abstract class Drawable {
* @param cause the exception to re-throw
* @throws RuntimeException
*/
static void rethrowAsRuntimeException(Exception cause) throws RuntimeException {
static void rethrowAsRuntimeException(@NonNull Exception cause) throws RuntimeException {
final RuntimeException e = new RuntimeException(cause);
e.setStackTrace(new StackTraceElement[0]);
throw e;