一款基于萌否网站api的音乐管理软件MoeMusic.zip

package com.cpacm.moemusic.ui.widgets; import android.content.Context; import android.content.res.TypedArray; import android.graphics.BlurMaskFilter; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Path; import android.graphics.PathMeasure; import android.graphics.RectF; import android.os.Bundle; import android.os.Parcelable; import android.util.AttributeSet; import android.view.MotionEvent; import android.view.View; import com.cpacm.moemusic.R; public class CircularSeekBar extends View { // Default values private static final float DEFAULT_CIRCLE_X_RADIUS = 30f; private static final float DEFAULT_CIRCLE_Y_RADIUS = 30f; private static final float DEFAULT_POINTER_RADIUS = 7f; private static final float DEFAULT_POINTER_HALO_WIDTH = 6f; private static final float DEFAULT_POINTER_HALO_BORDER_WIDTH = 2f; private static final float DEFAULT_CIRCLE_STROKE_WIDTH = 5f; private static final float DEFAULT_START_ANGLE = 270f; // Geometric (clockwise, relative to 3 o'clock) private static final float DEFAULT_END_ANGLE = 270f; // Geometric (clockwise, relative to 3 o'clock) private static final int DEFAULT_MAX = 100; private static final int DEFAULT_PROGRESS = 0; private static final int DEFAULT_CIRCLE_COLOR = Color.DKGRAY; private static final int DEFAULT_CIRCLE_PROGRESS_COLOR = Color.argb(235, 74, 138, 255); private static final int DEFAULT_POINTER_COLOR = Color.argb(235, 74, 138, 255); private static final int DEFAULT_POINTER_HALO_COLOR = Color.argb(135, 74, 138, 255); private static final int DEFAULT_POINTER_HALO_COLOR_ONTOUCH = Color.argb(135, 74, 138, 255); private static final int DEFAULT_CIRCLE_FILL_COLOR = Color.TRANSPARENT; private static final int DEFAULT_POINTER_ALPHA = 135; private static final int DEFAULT_POINTER_ALPHA_ONTOUCH = 100; private static final boolean DEFAULT_USE_CUSTOM_RADII = false; private static final boolean DEFAULT_MAINTAIN_EQUAL_CIRCLE = true; private static final boolean DEFAULT_MOVE_OUTSIDE_CIRCLE = false; private static final boolean DEFAULT_LOCK_ENABLED = true; /** * Used to scale the dp units to pixels */ private final float DPTOPX_SCALE = getResources().getDisplayMetrics().density; /** * Minimum touch target size in DP. 48dp is the Android design recommendation */ private final float MIN_TOUCH_TARGET_DP = 48; /** * {@code Paint} instance used to draw the inactive circle. */ private Paint mCirclePaint; /** * {@code Paint} instance used to draw the circle fill. */ private Paint mCircleFillPaint; /** * {@code Paint} instance used to draw the active circle (represents progress). */ private Paint mCircleProgressPaint; /** * {@code Paint} instance used to draw the glow from the active circle. */ private Paint mCircleProgressGlowPaint; /** * {@code Paint} instance used to draw the center of the pointer. * Note: This is broken on 4.0+, as BlurMasks do not work with hardware acceleration. */ private Paint mPointerPaint; /** * {@code Paint} instance used to draw the halo of the pointer. * Note: The halo is the part that changes transparency. */ private Paint mPointerHaloPaint; /** * {@code Paint} instance used to draw the border of the pointer, outside of the halo. */ private Paint mPointerHaloBorderPaint; /** * The width of the circle (in pixels). */ private float mCircleStrokeWidth; /** * The X radius of the circle (in pixels). */ private float mCircleXRadius; /** * The Y radius of the circle (in pixels). */ private float mCircleYRadius; /** * The radius of the pointer (in pixels). */ private float mPointerRadius; /** * The width of the pointer halo (in pixels). */ private float mPointerHaloWidth; /** * The width of the pointer halo border (in pixels). */ private float mPointerHaloBorderWidth; /** * Start angle of the CircularSeekBar. * Note: If mStartAngle and mEndAngle are set to the same angle, 0.1 is subtracted * from the mEndAngle to make the circle function properly. */ private float mStartAngle; /** * End angle of the CircularSeekBar. * Note: If mStartAngle and mEndAngle are set to the same angle, 0.1 is subtracted * from the mEndAngle to make the circle function properly. */ private float mEndAngle; /** * {@code RectF} that represents the circle (or ellipse) of the seekbar. */ private RectF mCircleRectF = new RectF(); /** * Holds the color value for {@code mPointerPaint} before the {@code Paint} instance is created. */ private int mPointerColor = DEFAULT_POINTER_COLOR; /** * Holds the color value for {@code mPointerHaloPaint} before the {@code Paint} instance is created. */ private int mPointerHaloColor = DEFAULT_POINTER_HALO_COLOR; /** * Holds the color value for {@code mPointerHaloPaint} before the {@code Paint} instance is created. */ private int mPointerHaloColorOnTouch = DEFAULT_POINTER_HALO_COLOR_ONTOUCH; /** * Holds the color value for {@code mCirclePaint} before the {@code Paint} instance is created. */ private int mCircleColor = DEFAULT_CIRCLE_COLOR; /** * Holds the color value for {@code mCircleFillPaint} before the {@code Paint} instance is created. */ private int mCircleFillColor = DEFAULT_CIRCLE_FILL_COLOR; /** * Holds the color value for {@code mCircleProgressPaint} before the {@code Paint} instance is created. */ private int mCircleProgressColor = DEFAULT_CIRCLE_PROGRESS_COLOR; /** * Holds the alpha value for {@code mPointerHaloPaint}. */ private int mPointerAlpha = DEFAULT_POINTER_ALPHA; /** * Holds the OnTouch alpha value for {@code mPointerHaloPaint}. */ private int mPointerAlphaOnTouch = DEFAULT_POINTER_ALPHA_ONTOUCH; /** * Distance (in degrees) that the the circle/semi-circle makes up. * This amount represents the max of the circle in degrees. */ private float mTotalCircleDegrees; /** * Distance (in degrees) that the current progress makes up in the circle. */ private float mProgressDegrees; /** * {@code Path} used to draw the circle/semi-circle. */ private Path mCirclePath; /** * {@code Path} used to draw the progress on the circle. */ private Path mCircleProgressPath; /** * Max value that this CircularSeekBar is representing. */ private int mMax; /** * Progress value that this CircularSeekBar is representing. */ private int mProgress; /** * If true, then the user can specify the X and Y radii. * If false, then the View itself determines the size of the CircularSeekBar. */ private boolean mCustomRadii; /** * Maintain a perfect circle (equal x and y radius), regardless of view or custom attributes. * The smaller of the two radii will always be used in this case. * The default is to be a circle and not an ellipse, due to the behavior of the ellipse. */ private boolean mMaintainEqualCircle; /** * Once a user has touched the circle, this determines if moving outside the circle is able * to change the position of the pointer (and in turn, the progress). */ private boolean mMoveOutsideCircle; /** * Used for enabling/disabling the lock option for easier hitting of the 0 progress mark. */ private boolean lockEnabled = true; /** * Used for when the user moves beyond the start of the circle when moving counter clockwise. * Makes it easier to hit the 0 progress mark. */ private boolean lockAtStart = true;