diff --git a/ReactAndroid/src/main/java/com/facebook/react/HeadlessJsTaskService.java b/ReactAndroid/src/main/java/com/facebook/react/HeadlessJsTaskService.java
index 8f84722bbb3849..9c4668f2e0c3c4 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/HeadlessJsTaskService.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/HeadlessJsTaskService.java
@@ -12,6 +12,7 @@
 import java.util.Set;
 import java.util.concurrent.CopyOnWriteArraySet;
 
+import android.annotation.SuppressLint;
 import android.app.Service;
 import android.content.BroadcastReceiver;
 import android.content.Context;
@@ -67,6 +68,7 @@ public int onStartCommand(Intent intent, int flags, int startId) {
   /**
    * Acquire a wake lock to ensure the device doesn't go to sleep while processing background tasks.
    */
+  @SuppressLint("WakelockTimeout")
   public static void acquireWakeLockNow(Context context) {
     if (sWakeLock == null || !sWakeLock.isHeld()) {
       PowerManager powerManager =
diff --git a/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/AndroidInfoModule.java b/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/AndroidInfoModule.java
index 3860cb9671f4f9..88193944009202 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/AndroidInfoModule.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/modules/systeminfo/AndroidInfoModule.java
@@ -7,6 +7,7 @@
 
 package com.facebook.react.modules.systeminfo;
 
+import android.annotation.SuppressLint;
 import android.app.UiModeManager;
 import android.content.res.Configuration;
 import android.os.Build;
@@ -29,6 +30,7 @@
  * Module that exposes Android Constants to JS.
  */
 @ReactModule(name = AndroidInfoModule.NAME)
+@SuppressLint("HardwareIds")
 public class AndroidInfoModule extends ReactContextBaseJavaModule {
   public static final String NAME = "PlatformConstants";
   private static final String IS_TESTING = "IS_TESTING";
diff --git a/ReactAndroid/src/main/java/com/facebook/react/uimanager/BaseViewManager.java b/ReactAndroid/src/main/java/com/facebook/react/uimanager/BaseViewManager.java
index 5f1d91c820f9ca..e7d003854bec89 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/uimanager/BaseViewManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/uimanager/BaseViewManager.java
@@ -7,6 +7,7 @@
 
 import android.graphics.Color;
 import android.os.Build;
+import android.support.v4.view.ViewCompat;
 import android.view.View;
 import android.view.ViewParent;
 import com.facebook.react.R;
@@ -156,13 +157,13 @@ public void setViewStates(T view, ReadableArray accessibilityStates) {
   @ReactProp(name = PROP_IMPORTANT_FOR_ACCESSIBILITY)
   public void setImportantForAccessibility(T view, String importantForAccessibility) {
     if (importantForAccessibility == null || importantForAccessibility.equals("auto")) {
-      view.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_AUTO);
+      ViewCompat.setImportantForAccessibility(view, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO);
     } else if (importantForAccessibility.equals("yes")) {
-      view.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_YES);
+      ViewCompat.setImportantForAccessibility(view, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
     } else if (importantForAccessibility.equals("no")) {
-      view.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
+      ViewCompat.setImportantForAccessibility(view, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO);
     } else if (importantForAccessibility.equals("no-hide-descendants")) {
-      view.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
+      ViewCompat.setImportantForAccessibility(view, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
     }
   }
 
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollContainerView.java b/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollContainerView.java
index f387fba4c1795e..0459b0688fdbfb 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollContainerView.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollContainerView.java
@@ -6,6 +6,7 @@
 package com.facebook.react.views.scroll;
 
 import android.content.Context;
+import android.support.v4.view.ViewCompat;
 import android.view.ViewGroup;
 import android.widget.HorizontalScrollView;
 import com.facebook.react.modules.i18nmanager.I18nUtil;
@@ -19,7 +20,7 @@ public class ReactHorizontalScrollContainerView extends ViewGroup {
   public ReactHorizontalScrollContainerView(Context context) {
     super(context);
     mLayoutDirection =
-        I18nUtil.getInstance().isRTL(context) ? LAYOUT_DIRECTION_RTL : LAYOUT_DIRECTION_LTR;
+        I18nUtil.getInstance().isRTL(context) ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR;
     mCurrentWidth = 0;
   }
 
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollView.java b/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollView.java
index 8a2e1da4b24ea5..566b6018b02e1f 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollView.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactHorizontalScrollView.java
@@ -305,7 +305,7 @@ public void fling(int velocityX) {
       // as there is content. See #onOverScrolled() to see the second part of this change which properly
       // aborts the scroller animation when we get to the bottom of the ScrollView content.
 
-      int scrollWindowWidth = getWidth() - getPaddingStart() - getPaddingEnd();
+      int scrollWindowWidth = getWidth() - ViewCompat.getPaddingStart(this) - ViewCompat.getPaddingEnd(this);
 
       mScroller.fling(
         getScrollX(), // startX
@@ -501,7 +501,7 @@ private int predictFinalScrollPosition(int velocityX) {
 
     // predict where a fling would end up so we can scroll to the nearest snap offset
     int maximumOffset = Math.max(0, computeHorizontalScrollRange() - getWidth());
-    int width = getWidth() - getPaddingStart() - getPaddingEnd();
+    int width = getWidth() - ViewCompat.getPaddingStart(this) - ViewCompat.getPaddingEnd(this);
     scroller.fling(
       getScrollX(), // startX
       getScrollY(), // startY
@@ -583,7 +583,7 @@ private void flingAndSnap(int velocityX) {
     int largerOffset = maximumOffset;
     int firstOffset = 0;
     int lastOffset = maximumOffset;
-    int width = getWidth() - getPaddingStart() - getPaddingEnd();
+    int width = getWidth() - ViewCompat.getPaddingStart(this) - ViewCompat.getPaddingEnd(this);
 
     // offsets are from the right edge in RTL layouts
     boolean isRTL = TextUtilsCompat.getLayoutDirectionFromLocale(Locale.getDefault()) == ViewCompat.LAYOUT_DIRECTION_RTL;
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactBaseTextShadowNode.java b/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactBaseTextShadowNode.java
index 502f311ac22b23..ec00cd5b30662e 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactBaseTextShadowNode.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactBaseTextShadowNode.java
@@ -6,6 +6,7 @@
  */
 package com.facebook.react.views.text;
 
+import android.annotation.TargetApi;
 import android.graphics.Color;
 import android.graphics.Typeface;
 import android.os.Build;
@@ -37,6 +38,7 @@
  * <p>This also node calculates {@link Spannable} object based on subnodes of the same type, which
  * can be used in concrete classes to feed native views and compute layout.
  */
+@TargetApi(Build.VERSION_CODES.M)
 public abstract class ReactBaseTextShadowNode extends LayoutShadowNode {
 
   private static final String INLINE_IMAGE_PLACEHOLDER = "I";
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTextShadowNode.java b/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTextShadowNode.java
index b38c8424ef3273..eaef5690304b33 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTextShadowNode.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/text/ReactTextShadowNode.java
@@ -6,6 +6,7 @@
  */
 package com.facebook.react.views.text;
 
+import android.annotation.TargetApi;
 import android.os.Build;
 import android.text.BoringLayout;
 import android.text.Layout;
@@ -37,6 +38,7 @@
  * <p>The class measures text in {@code <Text>} view and feeds native {@link TextView} using {@code
  * Spannable} object constructed in superclass.
  */
+@TargetApi(Build.VERSION_CODES.M)
 public class ReactTextShadowNode extends ReactBaseTextShadowNode {
 
   // It's important to pass the ANTI_ALIAS_FLAG flag to the constructor rather than setting it
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputShadowNode.java b/ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputShadowNode.java
index 0ce7819bcfac8d..53efe02e06e46d 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputShadowNode.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputShadowNode.java
@@ -7,7 +7,9 @@
 
 package com.facebook.react.views.textinput;
 
+import android.annotation.TargetApi;
 import android.os.Build;
+import android.support.v4.view.ViewCompat;
 import android.text.Layout;
 import android.util.TypedValue;
 import android.view.ViewGroup;
@@ -33,6 +35,7 @@
 import javax.annotation.Nullable;
 
 @VisibleForTesting
+@TargetApi(Build.VERSION_CODES.M)
 public class ReactTextInputShadowNode extends ReactBaseTextShadowNode
     implements YogaMeasureFunction {
 
@@ -49,7 +52,7 @@ public class ReactTextInputShadowNode extends ReactBaseTextShadowNode
 
   public ReactTextInputShadowNode() {
     mTextBreakStrategy = (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) ?
-        0 : Layout.BREAK_STRATEGY_SIMPLE;
+      Layout.BREAK_STRATEGY_SIMPLE : Layout.BREAK_STRATEGY_HIGH_QUALITY;
 
     initMeasureFunction();
   }
@@ -71,9 +74,9 @@ public void setThemedContext(ThemedReactContext themedContext) {
     // So, we have to enforce it as a default padding.
     // TODO #7120264: Cache this stuff better.
     EditText editText = new EditText(getThemedContext());
-    setDefaultPadding(Spacing.START, editText.getPaddingStart());
+    setDefaultPadding(Spacing.START, ViewCompat.getPaddingStart(editText));
     setDefaultPadding(Spacing.TOP, editText.getPaddingTop());
-    setDefaultPadding(Spacing.END, editText.getPaddingEnd());
+    setDefaultPadding(Spacing.END, ViewCompat.getPaddingEnd(editText));
     setDefaultPadding(Spacing.BOTTOM, editText.getPaddingBottom());
 
     mDummyEditText = editText;
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/toolbar/ReactToolbarManager.java b/ReactAndroid/src/main/java/com/facebook/react/views/toolbar/ReactToolbarManager.java
index d15d9ba96a4cd7..8467c957237022 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/toolbar/ReactToolbarManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/toolbar/ReactToolbarManager.java
@@ -11,6 +11,7 @@
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Color;
+import android.support.v4.view.ViewCompat;
 import android.util.LayoutDirection;
 import android.view.MenuItem;
 import android.view.View;
@@ -62,7 +63,7 @@ public void setOverflowIcon(ReactToolbar view, @Nullable ReadableMap overflowIco
 
   @ReactProp(name = "rtl")
   public void setRtl(ReactToolbar view, boolean rtl) {
-    view.setLayoutDirection(rtl ? LayoutDirection.RTL : LayoutDirection.LTR);
+    ViewCompat.setLayoutDirection(view, rtl ? ViewCompat.LAYOUT_DIRECTION_RTL : ViewCompat.LAYOUT_DIRECTION_LTR);
   }
 
   @ReactProp(name = "subtitle")
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/view/ReactDrawableHelper.java b/ReactAndroid/src/main/java/com/facebook/react/views/view/ReactDrawableHelper.java
index 96021ea8f0545f..51b24ceeaa2935 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/view/ReactDrawableHelper.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/view/ReactDrawableHelper.java
@@ -7,6 +7,7 @@
 
 package com.facebook.react.views.view;
 
+import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.graphics.Color;
@@ -29,6 +30,7 @@ public class ReactDrawableHelper {
 
   private static final TypedValue sResolveOutValue = new TypedValue();
 
+  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
   public static Drawable createDrawableFromJSDescription(
       Context context,
       ReadableMap drawableDescriptionDict) {
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/webview/ReactWebViewManager.java b/ReactAndroid/src/main/java/com/facebook/react/views/webview/ReactWebViewManager.java
index 4ac247b59000a7..a5f54d0ca6f205 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/views/webview/ReactWebViewManager.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/views/webview/ReactWebViewManager.java
@@ -504,6 +504,7 @@ public void setUserAgent(WebView view, @Nullable String userAgent) {
   }
 
   @ReactProp(name = "mediaPlaybackRequiresUserAction")
+  @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
   public void setMediaPlaybackRequiresUserAction(WebView view, boolean requires) {
     view.getSettings().setMediaPlaybackRequiresUserGesture(requires);
   }