Source code
package android.support.design.widget;
import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.animation.StateListAnimator;
import android.annotation.TargetApi;
import android.content.res.ColorStateList;
import android.graphics.PorterDuff.Mode;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.graphics.drawable.RippleDrawable;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.support.v4.view.ViewCompat;
import android.view.View;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
@TargetApi(21)
class FloatingActionButtonLollipop extends FloatingActionButtonHoneycombMr1 {
private Drawable mBorderDrawable;
private Interpolator mInterpolator;
private RippleDrawable mRippleDrawable;
private Drawable mShapeDrawable;
FloatingActionButtonLollipop(View view, ShadowViewDelegate shadowViewDelegate) {
super(view, shadowViewDelegate);
if (!view.isInEditMode()) {
this.mInterpolator = AnimationUtils.loadInterpolator(this.mView.getContext(), 17563661);
}
}
void setBackgroundDrawable(Drawable originalBackground, ColorStateList backgroundTint, Mode backgroundTintMode, int rippleColor, int borderWidth) {
Drawable rippleContent;
this.mShapeDrawable = DrawableCompat.wrap(originalBackground.mutate());
DrawableCompat.setTintList(this.mShapeDrawable, backgroundTint);
if (backgroundTintMode != null) {
DrawableCompat.setTintMode(this.mShapeDrawable, backgroundTintMode);
}
if (borderWidth > 0) {
this.mBorderDrawable = createBorderDrawable(borderWidth, backgroundTint);
rippleContent = new LayerDrawable(new Drawable[]{this.mBorderDrawable, this.mShapeDrawable});
} else {
this.mBorderDrawable = null;
rippleContent = this.mShapeDrawable;
}
this.mRippleDrawable = new RippleDrawable(ColorStateList.valueOf(rippleColor), rippleContent, null);
this.mShadowViewDelegate.setBackgroundDrawable(this.mRippleDrawable);
this.mShadowViewDelegate.setShadowPadding(0, 0, 0, 0);
}
void setBackgroundTintList(ColorStateList tint) {
DrawableCompat.setTintList(this.mShapeDrawable, tint);
if (this.mBorderDrawable != null) {
DrawableCompat.setTintList(this.mBorderDrawable, tint);
}
}
void setBackgroundTintMode(Mode tintMode) {
DrawableCompat.setTintMode(this.mShapeDrawable, tintMode);
}
void setRippleColor(int rippleColor) {
this.mRippleDrawable.setColor(ColorStateList.valueOf(rippleColor));
}
public void setElevation(float elevation) {
ViewCompat.setElevation(this.mView, elevation);
}
void setPressedTranslationZ(float translationZ) {
StateListAnimator stateListAnimator = new StateListAnimator();
stateListAnimator.addState(PRESSED_ENABLED_STATE_SET, setupAnimator(ObjectAnimator.ofFloat(this.mView, "translationZ", new float[]{translationZ})));
stateListAnimator.addState(FOCUSED_ENABLED_STATE_SET, setupAnimator(ObjectAnimator.ofFloat(this.mView, "translationZ", new float[]{translationZ})));
stateListAnimator.addState(EMPTY_STATE_SET, setupAnimator(ObjectAnimator.ofFloat(this.mView, "translationZ", new float[]{0.0f})));
this.mView.setStateListAnimator(stateListAnimator);
}
void onDrawableStateChanged(int[] state) {
}
void jumpDrawableToCurrentState() {
}
private Animator setupAnimator(Animator animator) {
animator.setInterpolator(this.mInterpolator);
return animator;
}
CircularBorderDrawable newCircularDrawable() {
return new CircularBorderDrawableLollipop();
}
}