LUtils.java

/*
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.byoutline.kickmaterial.utils;

import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.os.Build;
import android.support.annotation.AnimRes;
import android.support.v4.view.animation.LinearOutSlowInInterpolator;
import android.support.v7.app.ActionBarActivity;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;


@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public class LUtils {

    protected ActionBarActivity mActivity;

    private LUtils(ActionBarActivity activity) {
        mActivity = activity;
    }


    public static boolean hasL() {
        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
    }

    public static void setStatusBarColor(Activity activity, int color) {
        if (!hasL() || activity == null) {
            return;
        }

        activity.getWindow().setStatusBarColor(color);
    }


    public static void toGrayscale(ImageView iv) {
        ColorMatrix matrix = new ColorMatrix();
        matrix.setSaturation(0);

        ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
        iv.setColorFilter(filter);
    }

    public static Animation loadAnimationWithLInterpolator(Context context, @AnimRes int animId) {
        return loadAnimationWithLInterpolator(context, animId, new LinearOutSlowInInterpolator());
    }

    public static Animation loadAnimationWithLInterpolator(Context context, @AnimRes int animId, android.view.animation.Interpolator interpolator) {
        Animation animation = AnimationUtils.loadAnimation(context, animId);
        animation.setInterpolator(interpolator);
        return animation;
    }
}