gt:     if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1 &&
context: /**
   * Copyright (C) 2015 Open Whisper Systems
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package org.thoughtcrime.securesms.util;
  
  import android.annotation.SuppressLint;
  import android.app.Activity;
  import android.content.Context;
  import android.graphics.drawable.Drawable;
  import android.os.Build.VERSION;
  import android.os.Build.VERSION_CODES;
  import android.support.annotation.IdRes;
  import android.support.annotation.LayoutRes;
  import android.support.annotation.NonNull;
  import android.support.annotation.Nullable;
  import android.support.v4.view.ViewCompat;
  import android.support.v4.view.animation.FastOutSlowInInterpolator;
  import android.text.TextUtils;
  import android.text.TextUtils.TruncateAt;
  import android.util.DisplayMetrics;
  import android.view.Gravity;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.view.ViewStub;
  import android.view.animation.AlphaAnimation;
  import android.view.animation.Animation;
  import android.widget.LinearLayout.LayoutParams;
  import android.widget.TextView;
  
  import org.thoughtcrime.securesms.util.concurrent.ListenableFuture;
  import org.thoughtcrime.securesms.util.concurrent.SettableFuture;
  import org.thoughtcrime.securesms.util.views.Stub;
  
  public class ViewUtil {
    @SuppressWarnings("deprecation")
    public static void setBackground(final @NonNull View v, final @Nullable Drawable drawable) {
      if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
        v.setBackground(drawable);
      } else {
        v.setBackgroundDrawable(drawable);
      }
    }
  
    public static void setY(final @NonNull View v, final int y) {
      if (VERSION.SDK_INT >= 11) {
        ViewCompat.setY(v, y);
      } else {
        ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams)v.getLayoutParams();
        params.topMargin = y;
        v.setLayoutParams(params);
      }
    }
  
    public static float getY(final @NonNull View v) {
      if (VERSION.SDK_INT >= 11) {
        return ViewCompat.getY(v);
      } else {
        return ((ViewGroup.MarginLayoutParams)v.getLayoutParams()).topMargin;
      }
    }
  
    public static void setX(final @NonNull View v, final int x) {
      if (VERSION.SDK_INT >= 11) {
        ViewCompat.setX(v, x);
      } else {
        ViewGroup.MarginLayoutParams params = (ViewGroup.MarginLayoutParams)v.getLayoutParams();
        params.leftMargin = x;
        v.setLayoutParams(params);
      }
    }
  
    public static float getX(final @NonNull View v) {
      if (VERSION.SDK_INT >= 11) {
        return ViewCompat.getX(v);
      } else {
        return ((LayoutParams)v.getLayoutParams()).leftMargin;
      }
    }
  
    public static void swapChildInPlace(ViewGroup parent, View toRemove, View toAdd, int defaultIndex) {
      int childIndex = parent.indexOfChild(toRemove);
      if (childIndex > -1) parent.removeView(toRemove);
      parent.addView(toAdd, childIndex > -1 ? childIndex : defaultIndex);
    }
  
    public static CharSequence ellipsize(@Nullable CharSequence text, @NonNull TextView view) {
      if (TextUtils.isEmpty(text) || view.getWidth() == 0 || view.getEllipsize() != TruncateAt.END) {
        return text;
      } else {
        return TextUtils.ellipsize(text,
                                   view.getPaint(),
                                   view.getWidth() - view.getPaddingRight() - view.getPaddingLeft(),
                                   TruncateAt.END);
      }
    }
  
    @SuppressWarnings("unchecked")
    public static <T extends View> T inflateStub(@NonNull View parent, @IdRes int stubId) {
      return (T)((ViewStub)parent.findViewById(stubId)).inflate();
    }
  
    @SuppressWarnings("unchecked")
    public static <T extends View> T findById(@NonNull View parent, @IdRes int resId) {
      return (T) parent.findViewById(resId);
    }
  
    @SuppressWarnings("unchecked")
    public static <T extends View> T findById(@NonNull Activity parent, @IdRes int resId) {
      return (T) parent.findViewById(resId);
    }
  
    public static <T extends View> Stub<T> findStubById(@NonNull Activity parent, @IdRes int resId) {
      return new Stub<T>((ViewStub)parent.findViewById(resId));
    }
  
    private static Animation getAlphaAnimation(float from, float to, int duration) {
      final Animation anim = new AlphaAnimation(from, to);
      anim.setInterpolator(new FastOutSlowInInterpolator());
      anim.setDuration(duration);
      return anim;
    }
  
    public static void fadeIn(final @NonNull View view, final int duration) {
      animateIn(view, getAlphaAnimation(0f, 1f, duration));
    }
  
    public static ListenableFuture<Boolean> fadeOut(final @NonNull View view, final int duration) {
      return fadeOut(view, duration, View.GONE);
    }
  
    public static ListenableFuture<Boolean> fadeOut(@NonNull View view, int duration, int visibility) {
      return animateOut(view, getAlphaAnimation(1f, 0f, duration), visibility);
    }
  
    public static ListenableFuture<Boolean> animateOut(final @NonNull View view, final @NonNull Animation animation, final int visibility) {
      final SettableFuture future = new SettableFuture();
      if (view.getVisibility() == visibility) {
        future.set(true);
      } else {
        view.clearAnimation();
        animation.reset();
        animation.setStartTime(0);
        animation.setAnimationListener(new Animation.AnimationListener() {
          @Override
          public void onAnimationStart(Animation animation) {}
  
          @Override
          public void onAnimationRepeat(Animation animation) {}
  
          @Override
          public void onAnimationEnd(Animation animation) {
            view.setVisibility(visibility);
            future.set(true);
          }
        });
        view.startAnimation(animation);
      }
      return future;
    }
  
    public static void animateIn(final @NonNull View view, final @NonNull Animation animation) {
      if (view.getVisibility() == View.VISIBLE) return;
  
      view.clearAnimation();
      animation.reset();
      animation.setStartTime(0);
      view.setVisibility(View.VISIBLE);
      view.startAnimation(animation);
    }
  
    @SuppressWarnings("unchecked")
    public static <T extends View> T inflate(@NonNull   LayoutInflater inflater,
                                             @NonNull   ViewGroup      parent,
                                             @LayoutRes int            layoutResId)
    {
      return (T)(inflater.inflate(layoutResId, parent, false));
    }
  
    @SuppressLint("RtlHardcoded")
    public static void setTextViewGravityStart(final @NonNull TextView textView, @NonNull Context context) {
      if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
        if (DynamicLanguage.getLayoutDirection(context) == View.LAYOUT_DIRECTION_RTL) {
          textView.setGravity(Gravity.RIGHT);
        } else {
          textView.setGravity(Gravity.LEFT);
        }
      }
    }
  
    public static void mirrorIfRtl(View view, Context context) {
  