BuildUtils.java

package com.hannesdorfmann.mosby3.sample.mail.utils;

import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Build;
import com.hannesdorfmann.mosby3.sample.mail.R;

/**
 * Little helper class to detect current installed  sdk version
 *
 * @author Hannes Dorfmann
 */
public class BuildUtils {

  public static boolean isMinApi21() {
    return Build.VERSION.SDK_INT >= 21;
  }

  @TargetApi(21) public static Drawable getBackArrowDrawable(Context context) {

    if (isMinApi21()) {
      return context.getResources()
          .getDrawable(R.drawable.ic_action_back, context.getTheme());
    } else {
      return context.getResources().getDrawable(R.drawable.ic_action_back);
    }
  }
}