Tools berguna untuk android dev

Tools.java

package com.agusibrahim.rsosdemo.Utils;

import android.content.Context;
import android.content.res.Resources;
import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.util.DisplayMetrics;
import android.view.View;

/**
 * Created by User on 8/20/2017.
 */

public class Tools {
    public static class EqualSpaceItemDecoration extends RecyclerView.ItemDecoration {
        private final int mSpaceHeight;
        public EqualSpaceItemDecoration(int mSpaceHeight) {
            this.mSpaceHeight = mSpaceHeight;
        }
        @Override
        public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
            outRect.bottom = mSpaceHeight;outRect.top = mSpaceHeight;
        }
    }
    public static float convertDpToPixel(float dp, Context context){
        Resources resources = context.getResources();
        DisplayMetrics metrics = resources.getDisplayMetrics();
        float px = dp * ((float)metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT);
        return px;
    }
    public static float convertPixelsToDp(float px, Context context){
        Resources resources = context.getResources();
        DisplayMetrics metrics = resources.getDisplayMetrics();
        float dp = px / ((float)metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT);
        return dp;
    }
    public static void setClipboard(Context context, String text) {
        if(android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.HONEYCOMB) {
            android.text.ClipboardManager clipboard = (android.text.ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
            clipboard.setText(text);
        } else {
            android.content.ClipboardManager clipboard = (android.content.ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
            android.content.ClipData clip = android.content.ClipData.newPlainText("Copied Text", text);
            clipboard.setPrimaryClip(clip);
        }
    }
}