pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

mobile/android/base/java/org/mozilla/gecko/trackingprotection/TrackingProtectionPrompt.java

@@ -0,0 +1,131 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.trackingprotection;
+
+import org.mozilla.gecko.Locales;
+import org.mozilla.gecko.R;
+import org.mozilla.gecko.preferences.GeckoPreferences;
+import org.mozilla.gecko.util.HardwareUtils;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.MotionEvent;
+import android.view.View;
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+
+public class TrackingProtectionPrompt extends Locales.LocaleAwareActivity {
+        public static final String LOGTAG = "Gecko" + TrackingProtectionPrompt.class.getSimpleName();
+
+        // Flag set during animation to prevent animation multiple-start.
+        private boolean isAnimating;
+
+        private View containerView;
+
+        @Override
+        protected void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+
+            showPrompt();
+        }
+
+        private void showPrompt() {
+            setContentView(R.layout.tracking_protection_prompt);
+
+            findViewById(R.id.ok_button).setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    onConfirmButtonPressed();
+                }
+            });
+            findViewById(R.id.link_text).setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    slideOut();
+                    final Intent settingsIntent = new Intent(TrackingProtectionPrompt.this, GeckoPreferences.class);
+                    GeckoPreferences.setResourceToOpen(settingsIntent, "preferences_privacy");
+                    startActivity(settingsIntent);
+
+                    // Don't use a transition to settings if we're on a device where that
+                    // would look bad.
+                    if (HardwareUtils.IS_KINDLE_DEVICE) {
+                        overridePendingTransition(0, 0);
+                    }
+                }
+            });
+
+            containerView = findViewById(R.id.tracking_protection_inner_container);
+
+            containerView.setTranslationY(500);
+            containerView.setAlpha(0);
+
+            final Animator translateAnimator = ObjectAnimator.ofFloat(containerView, "translationY", 0);
+            translateAnimator.setDuration(400);
+
+            final Animator alphaAnimator = ObjectAnimator.ofFloat(containerView, "alpha", 1);
+            alphaAnimator.setStartDelay(200);
+            alphaAnimator.setDuration(600);
+
+            final AnimatorSet set = new AnimatorSet();
+            set.playTogether(alphaAnimator, translateAnimator);
+            set.setStartDelay(400);
+
+            set.start();
+        }
+
+        @Override
+        public void finish() {
+            super.finish();
+
+            // Don't perform an activity-dismiss animation.
+            overridePendingTransition(0, 0);
+        }
+
+        private void onConfirmButtonPressed() {
+            slideOut();
+        }
+
+        /**
+         * Slide the overlay down off the screen and destroy it.
+         */
+        private void slideOut() {
+            if (isAnimating) {
+                return;
+            }
+
+            isAnimating = true;
+
+            ObjectAnimator animator = ObjectAnimator.ofFloat(containerView, "translationY", containerView.getHeight());
+            animator.addListener(new AnimatorListenerAdapter() {
+
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    finish();
+                }
+
+            });
+            animator.start();
+        }
+
+        /**
+         * Close the dialog if back is pressed.
+         */
+        @Override
+        public void onBackPressed() {
+            slideOut();
+        }
+
+        /**
+         * Close the dialog if the anything that isn't a button is tapped.
+         */
+        @Override
+        public boolean onTouchEvent(MotionEvent event) {
+            slideOut();
+            return true;
+        }
+    }