me.selinali.tribbble.utils.ViewUtils.java Source code

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Here is the source code for me.selinali.tribbble.utils.ViewUtils.java

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/*
 * Copyright 2016 Selina Li
 *
 * 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 me.selinali.tribbble.utils;

import android.content.res.Resources;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import android.support.annotation.ColorRes;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.support.v4.view.ViewCompat;
import android.util.TypedValue;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import me.selinali.tribbble.R;
import me.selinali.tribbble.TribbbleApp;

import static me.selinali.tribbble.TribbbleApp.color;

public final class ViewUtils {

    private ViewUtils() {
    }

    public static int getStatusBarHeight() {
        return getInternalDimension("status_bar_height");
    }

    public static int getNavigationBarHeight() {
        boolean hasMenuKey = ViewConfiguration.get(TribbbleApp.context()).hasPermanentMenuKey();
        boolean hasBackKey = KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_BACK);
        return (!hasMenuKey && !hasBackKey) ? getInternalDimension("navigation_bar_height") : 0;
    }

    private static int getInternalDimension(String name) {
        Resources res = TribbbleApp.context().getResources();
        int resId = res.getIdentifier(name, "dimen", "android");
        return resId != 0 ? res.getDimensionPixelSize(resId) : 0;
    }

    public static int dpToPx(int dp) {
        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
                TribbbleApp.context().getResources().getDisplayMetrics());
    }

    public static void setBottomMargin(View view, int bottomMargin) {
        ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams) view.getLayoutParams();
        params.setMargins(params.leftMargin, params.topMargin, params.rightMargin, bottomMargin);
    }

    public static void applyColorFilter(ImageView imageView, @ColorRes int resId) {
        imageView.setColorFilter(new PorterDuffColorFilter(TribbbleApp.color(resId), PorterDuff.Mode.SRC_ATOP));
    }

    public static void fadeView(View view, boolean show, long duration) {
        if (show && view.getVisibility() == View.INVISIBLE) {
            ViewCompat.animate(view).alpha(1f).setDuration(duration)
                    .withStartAction(() -> view.setVisibility(View.VISIBLE));
        } else if (!show && view.getVisibility() == View.VISIBLE) {
            ViewCompat.animate(view).alpha(0f).setDuration(duration)
                    .withEndAction(() -> view.setVisibility(View.INVISIBLE));
        }
    }

    public static void tintDrawable(TextView textView, int position) {
        DrawableCompat.setTint(textView.getCompoundDrawables()[position], color(R.color.textNormal));
    }
}