diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatBackgroundHelper.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatBackgroundHelper.java
index b47c21f..c397b73 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatBackgroundHelper.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatBackgroundHelper.java
@@ -35,7 +35,7 @@
  * @author xyczero617@gmail.com
  * @time 15/9/26
  */
-public class AppCompatBackgroundHelper extends AppCompatBaseHelper {
+public class AppCompatBackgroundHelper extends AppCompatBaseHelper<View> {
 
     private TintInfo mBackgroundTintInfo;
 
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatBaseHelper.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatBaseHelper.java
index 761dfee..a3188e0 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatBaseHelper.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatBaseHelper.java
@@ -25,13 +25,13 @@
  * @author xyczero617@gmail.com
  * @time 15/10/1
  */
-public abstract class AppCompatBaseHelper {
-    protected View mView;
+public abstract class AppCompatBaseHelper<T extends View> {
+    protected T mView;
     protected TintManager mTintManager;
 
     private boolean mSkipNextApply;
 
-    public AppCompatBaseHelper(View view, TintManager tintManager) {
+    public AppCompatBaseHelper(T view, TintManager tintManager) {
         mView = view;
         mTintManager = tintManager;
     }
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatCompoundButtonHelper.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatCompoundButtonHelper.java
index 48b3362..ef96b98 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatCompoundButtonHelper.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatCompoundButtonHelper.java
@@ -35,7 +35,7 @@
  * @author xyczero617@gmail.com
  * @time 15/11/23
  */
-public class AppCompatCompoundButtonHelper extends AppCompatBaseHelper {
+public class AppCompatCompoundButtonHelper extends AppCompatBaseHelper<CompoundButton> {
 
     private TintInfo mCompoundButtonTintInfo;
     private int mCompoundButtonResId;
@@ -106,7 +106,7 @@ public void setButtonDrawableTintList(int resId, PorterDuff.Mode mode) {
     private void setButtonDrawable(Drawable drawable) {
         if (skipNextApply()) return;
 
-        ((CompoundButton) mView).setButtonDrawable(drawable);
+        mView.setButtonDrawable(drawable);
     }
 
     public boolean setSupportButtonDrawableTint(int resId) {
@@ -131,7 +131,7 @@ private void setSupportButtonDrawableTintMode(PorterDuff.Mode mode) {
     }
 
     public boolean applySupportButtonDrawableTint() {
-        Drawable buttonDrawable = CompoundButtonCompat.getButtonDrawable((CompoundButton) mView);
+        Drawable buttonDrawable = CompoundButtonCompat.getButtonDrawable(mView);
         if (buttonDrawable != null && mCompoundButtonTintInfo != null && mCompoundButtonTintInfo.mHasTintList) {
             buttonDrawable = DrawableCompat.wrap(buttonDrawable);
             buttonDrawable = buttonDrawable.mutate();
@@ -165,7 +165,7 @@ public int getCompoundPaddingLeft(int superValue) {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
             // Before JB-MR1 the button drawable wasn't taken into account for padding. We'll
             // workaround that here
-            Drawable buttonDrawable = CompoundButtonCompat.getButtonDrawable((CompoundButton) mView);
+            Drawable buttonDrawable = CompoundButtonCompat.getButtonDrawable(mView);
             if (buttonDrawable != null) {
                 superValue += buttonDrawable.getIntrinsicWidth();
             }
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatCompoundDrawableHelper.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatCompoundDrawableHelper.java
index 7e3018a..87ad38e 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatCompoundDrawableHelper.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatCompoundDrawableHelper.java
@@ -27,7 +27,6 @@
 
 import com.bilibili.magicasakura.R;
 import com.bilibili.magicasakura.utils.DrawableUtils;
-import com.bilibili.magicasakura.utils.ThemeUtils;
 import com.bilibili.magicasakura.utils.TintInfo;
 import com.bilibili.magicasakura.utils.TintManager;
 
@@ -35,7 +34,7 @@
  * @author xyczero617@gmail.com
  * @time 15/9/26
  */
-public class AppCompatCompoundDrawableHelper extends AppCompatBaseHelper {
+public class AppCompatCompoundDrawableHelper extends AppCompatBaseHelper<TextView> {
 
     private TintInfo[] mCompoundDrawableTintInfos = new TintInfo[4];
 
@@ -123,7 +122,7 @@ public void setCompoundDrawablesTintList(int... resIds) {
     private void setCompoundDrawablesWithIntrinsicBounds(Drawable left, Drawable top, Drawable right, Drawable bottom) {
         if (skipNextApply()) return;
 
-        ((TextView) mView).setCompoundDrawablesWithIntrinsicBounds(left, top, right, bottom);
+        mView.setCompoundDrawablesWithIntrinsicBounds(left, top, right, bottom);
     }
 
     private Drawable getCompoundDrawableByPosition(int i) {
@@ -164,7 +163,7 @@ private void setSupportCompoundDrawableTintModeByPosition(int position, PorterDu
     }
 
     private Drawable applySupportCompoundDrawableTint(int position) {
-        Drawable originDrawable = ((TextView) mView).getCompoundDrawables()[position];
+        Drawable originDrawable = mView.getCompoundDrawables()[position];
         Drawable compoundDrawable = originDrawable;
         TintInfo tintInfo = mCompoundDrawableTintInfos[position];
         if (compoundDrawable != null && tintInfo != null && tintInfo.mHasTintList) {
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatForegroundHelper.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatForegroundHelper.java
index d1130b1..34d468b 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatForegroundHelper.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatForegroundHelper.java
@@ -35,7 +35,7 @@
  * @author xyczero617@gmail.com
  * @time 16/4/7
  */
-public class AppCompatForegroundHelper extends AppCompatBaseHelper {
+public class AppCompatForegroundHelper extends AppCompatBaseHelper<View> {
 
     private TintInfo mForegroundTintInfo;
 
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatImageHelper.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatImageHelper.java
index 8ebf4f6..5002e48 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatImageHelper.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatImageHelper.java
@@ -22,7 +22,6 @@
 import android.support.v4.content.ContextCompat;
 import android.support.v4.graphics.drawable.DrawableCompat;
 import android.util.AttributeSet;
-import android.view.View;
 import android.widget.ImageView;
 
 import com.bilibili.magicasakura.R;
@@ -34,13 +33,13 @@
  * @author xyczero617@gmail.com
  * @time 15/11/15
  */
-public class AppCompatImageHelper extends AppCompatBaseHelper {
+public class AppCompatImageHelper extends AppCompatBaseHelper<ImageView> {
 
     private TintInfo mImageTintInfo;
     private int mImageResId;
     private int mImageTintResId;
 
-    public AppCompatImageHelper(View view, TintManager tintManager) {
+    public AppCompatImageHelper(ImageView view, TintManager tintManager) {
         super(view, tintManager);
     }
 
@@ -49,7 +48,7 @@ public AppCompatImageHelper(View view, TintManager tintManager) {
     void loadFromAttribute(AttributeSet attrs, int defStyleAttr) {
         TypedArray array = mView.getContext().obtainStyledAttributes(attrs, R.styleable.TintImageHelper, defStyleAttr, 0);
         // first resolve srcCompat due to not extending by AppCompatImageView
-        if (((ImageView) mView).getDrawable() == null) {
+        if (mView.getDrawable() == null) {
             Drawable image = mTintManager.getDrawable(mImageResId = array.getResourceId(R.styleable.TintImageHelper_srcCompat, 0));
             if (image != null) {
                 setImageDrawable(image);
@@ -109,7 +108,7 @@ public void setImageTintList(int resId, PorterDuff.Mode mode) {
     private void setImageDrawable(Drawable drawable) {
         if (skipNextApply()) return;
 
-        ((ImageView) mView).setImageDrawable(drawable);
+        mView.setImageDrawable(drawable);
     }
 
     private boolean setSupportImageTint(int resId) {
@@ -134,7 +133,7 @@ private void setSupportImageTintMode(PorterDuff.Mode mode) {
     }
 
     private boolean applySupportImageTint() {
-        Drawable image = ((ImageView) mView).getDrawable();
+        Drawable image = mView.getDrawable();
         if (image != null && mImageTintInfo != null && mImageTintInfo.mHasTintList) {
             Drawable tintDrawable = image.mutate();
             tintDrawable = DrawableCompat.wrap(tintDrawable);
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatProgressBarHelper.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatProgressBarHelper.java
index 00c1d73..e6e86a4 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatProgressBarHelper.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatProgressBarHelper.java
@@ -34,7 +34,7 @@
  * @author xyczero617@gmail.com
  * @time 16/2/4
  */
-public class AppCompatProgressBarHelper extends AppCompatBaseHelper {
+public class AppCompatProgressBarHelper extends AppCompatBaseHelper<TintProgressBar> {
 
     private int mProgressTintResId;
     private int mIndeterminateTintResId;
@@ -42,7 +42,7 @@ public class AppCompatProgressBarHelper extends AppCompatBaseHelper {
     private TintInfo mProgressTintInfo;
     private TintInfo mIndeterminateTintInfo;
 
-    public AppCompatProgressBarHelper(View view, TintManager tintManager) {
+    public AppCompatProgressBarHelper(TintProgressBar view, TintManager tintManager) {
         super(view, tintManager);
     }
 
@@ -99,11 +99,11 @@ private void applySupportProgressTint() {
     }
 
     private void applySupportIndeterminateTint() {
-        Drawable mIndeterminateDrawable = ((ProgressBar) mView).getIndeterminateDrawable();
+        Drawable mIndeterminateDrawable = mView.getIndeterminateDrawable();
         if (mIndeterminateDrawable != null && mIndeterminateTintInfo != null) {
             final TintInfo tintInfo = mIndeterminateTintInfo;
             if (tintInfo.mHasTintList || tintInfo.mHasTintMode) {
-                ((ProgressBar) mView).setIndeterminateDrawable(mIndeterminateDrawable = mIndeterminateDrawable.mutate());
+                mView.setIndeterminateDrawable(mIndeterminateDrawable = mIndeterminateDrawable.mutate());
                 TintManager.tintViewDrawable(mView, mIndeterminateDrawable, mIndeterminateTintInfo);
                 // The drawable (or one of its children) may not have been
                 // stateful before applying the tint, so let's try again.
@@ -118,9 +118,9 @@ private void applySupportIndeterminateTint() {
     private Drawable getTintTarget(int layerId, boolean shouldFallback) {
         Drawable layer = null;
 
-        final Drawable d = ((ProgressBar) mView).getProgressDrawable();
+        final Drawable d = mView.getProgressDrawable();
         if (d != null) {
-            ((ProgressBar) mView).setProgressDrawable(d.mutate());
+            mView.setProgressDrawable(d.mutate());
 
             if (d instanceof LayerDrawable) {
                 layer = ((LayerDrawable) d).findDrawableByLayerId(layerId);
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatTextHelper.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatTextHelper.java
index cd43e43..70f55ec 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatTextHelper.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/AppCompatTextHelper.java
@@ -31,7 +31,7 @@
  * @author xyczero617@gmail.com
  * @time 15/9/26
  */
-public class AppCompatTextHelper extends AppCompatBaseHelper {
+public class AppCompatTextHelper extends AppCompatBaseHelper<TextView> {
 
     //If writing like this:
     //int[] ATTRS = { R.attr.tintText, android.R.attr.textColor, android.R.attr.textColorLink, ...};
@@ -43,7 +43,7 @@ public class AppCompatTextHelper extends AppCompatBaseHelper {
     private TintInfo mTextColorTintInfo;
     private TintInfo mTextLinkColorTintInfo;
 
-    public AppCompatTextHelper(View view, TintManager tintManager) {
+    public AppCompatTextHelper(TextView view, TintManager tintManager) {
         super(view, tintManager);
     }
 
@@ -111,7 +111,7 @@ public void setTextColorById(@ColorRes int colorId) {
     private void setTextColor(ColorStateList tint) {
         if (skipNextApply()) return;
 
-        ((TextView) mView).setTextColor(tint);
+        mView.setTextColor(tint);
     }
 
     private void setTextColor(@ColorRes int resId) {
@@ -164,7 +164,7 @@ private void applySupportTextColorTint() {
 
     private void applySupportTextLinkColorTint() {
         if (mTextLinkColorTintInfo != null && mTextLinkColorTintInfo.mHasTintList) {
-            ((TextView) mView).setLinkTextColor(mTextLinkColorTintInfo.mTintList);
+            mView.setLinkTextColor(mTextLinkColorTintInfo.mTintList);
         }
     }
 
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintAutoCompleteTextView.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintAutoCompleteTextView.java
index 63c7755..f2e9feb 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintAutoCompleteTextView.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintAutoCompleteTextView.java
@@ -16,6 +16,7 @@
 
 package com.bilibili.magicasakura.widgets;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
@@ -28,6 +29,7 @@
  * @author xyczero617@gmail.com
  * @time 16/2/14
  */
+@SuppressLint("AppCompatCustomView")
 public class TintAutoCompleteTextView extends AutoCompleteTextView implements Tintable, AppCompatBackgroundHelper.BackgroundExtensible,
         AppCompatCompoundDrawableHelper.CompoundDrawableExtensible {
     private AppCompatBackgroundHelper mBackgroundHelper;
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintButton.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintButton.java
index 57e3894..a5f7e75 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintButton.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintButton.java
@@ -16,6 +16,7 @@
 
 package com.bilibili.magicasakura.widgets;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.ColorStateList;
@@ -32,6 +33,8 @@
  * @author xyczero617@gmail.com
  * @time 15/10/25
  */
+
+@SuppressLint("AppCompatCustomView")
 public class TintButton extends Button implements Tintable, AppCompatBackgroundHelper.BackgroundExtensible,
         AppCompatTextHelper.TextExtensible {
     private AppCompatTextHelper mTextHelper;
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintCheckBox.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintCheckBox.java
index 48d76d5..406c0e6 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintCheckBox.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintCheckBox.java
@@ -16,6 +16,7 @@
 
 package com.bilibili.magicasakura.widgets;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.ColorStateList;
@@ -37,6 +38,7 @@
  * @author xyczero617@gmail.com
  * @time 16/1/27
  */
+@SuppressLint("AppCompatCustomView")
 public class TintCheckBox extends CheckBox implements Tintable, AppCompatBackgroundHelper.BackgroundExtensible,
         AppCompatCompoundButtonHelper.CompoundButtonExtensible, AppCompatTextHelper.TextExtensible {
     private AppCompatBackgroundHelper mBackgroundHelper;
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintCheckedTextView.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintCheckedTextView.java
index b3c3ab2..25d4ad0 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintCheckedTextView.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintCheckedTextView.java
@@ -16,6 +16,7 @@
 
 package com.bilibili.magicasakura.widgets;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.PorterDuff;
@@ -36,6 +37,7 @@
  * special view for replacing view in preference , not recommend to use it in common
  * layout: select_dialog_singlechoice_xxx
  */
+@SuppressLint("AppCompatCustomView")
 public class TintCheckedTextView extends CheckedTextView implements Tintable {
     private static final int[] ATTRS = {
             android.R.attr.drawableLeft,
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintEditText.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintEditText.java
index 51c05fe..5c4baca 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintEditText.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintEditText.java
@@ -17,6 +17,7 @@
 package com.bilibili.magicasakura.widgets;
 
 import android.annotation.TargetApi;
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.graphics.PorterDuff;
@@ -35,6 +36,7 @@
  * @author xyczero617@gmail.com
  * @time 16/2/1
  */
+@SuppressLint("AppCompatCustomView")
 public class TintEditText extends EditText implements Tintable, AppCompatBackgroundHelper.BackgroundExtensible,
         AppCompatCompoundDrawableHelper.CompoundDrawableExtensible, AppCompatTextHelper.TextExtensible {
     private AppCompatBackgroundHelper mBackgroundHelper;
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintImageView.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintImageView.java
index 33986d7..f581de1 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintImageView.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintImageView.java
@@ -16,6 +16,7 @@
 
 package com.bilibili.magicasakura.widgets;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
@@ -28,6 +29,7 @@
  * @author xyczero617@gmail.com
  * @time 15/11/8
  */
+@SuppressLint("AppCompatCustomView")
 public class TintImageView extends ImageView implements Tintable, AppCompatBackgroundHelper.BackgroundExtensible,
         AppCompatImageHelper.ImageExtensible {
     private AppCompatBackgroundHelper mBackgroundHelper;
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintRadioButton.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintRadioButton.java
index 889b7ae..c80816f 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintRadioButton.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintRadioButton.java
@@ -16,6 +16,7 @@
 
 package com.bilibili.magicasakura.widgets;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.ColorStateList;
@@ -37,6 +38,7 @@
  * @author xyczero617@gmail.com
  * @time 16/1/19
  */
+@SuppressLint("AppCompatCustomView")
 public class TintRadioButton extends RadioButton implements Tintable, AppCompatBackgroundHelper.BackgroundExtensible
         , AppCompatCompoundButtonHelper.CompoundButtonExtensible, AppCompatTextHelper.TextExtensible {
     private AppCompatTextHelper mTextHelper;
diff --git a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintTextView.java b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintTextView.java
index b32b73f..9a7c824 100644
--- a/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintTextView.java
+++ b/magicasakura/src/main/java/com/bilibili/magicasakura/widgets/TintTextView.java
@@ -16,6 +16,7 @@
 
 package com.bilibili.magicasakura.widgets;
 
+import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.ColorStateList;
@@ -35,6 +36,7 @@
  * @author xyczero617@gmail.com
  * @time 15/9/14
  */
+@SuppressLint("AppCompatCustomView")
 public class TintTextView extends TextView implements Tintable, AppCompatBackgroundHelper.BackgroundExtensible,
         AppCompatCompoundDrawableHelper.CompoundDrawableExtensible, AppCompatTextHelper.TextExtensible {
     private AppCompatTextHelper mTextHelper;