optimize memory and image size. remove unnecessary language file

app/src/main/java/com/stardust/theme/widget/ThemeColorImageViewCompat.java

@@ -0,0 +1,57 @@
+package com.stardust.theme.widget;
+
+import android.content.Context;
+import android.graphics.PorterDuff;
+import android.support.v7.widget.AppCompatImageView;
+import android.util.AttributeSet;
+
+import com.stardust.theme.ThemeColor;
+import com.stardust.theme.ThemeColorManager;
+import com.stardust.theme.ThemeColorMutable;
+
+/**
+ * Created by Stardust on 2017/5/10.
+ */
+
+public class ThemeColorImageViewCompat extends AppCompatImageView implements ThemeColorMutable {
+    private int mColor;
+
+    public ThemeColorImageViewCompat(Context context) {
+        super(context);
+        this.init();
+    }
+
+    public ThemeColorImageViewCompat(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.init();
+    }
+
+    public ThemeColorImageViewCompat(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        this.init();
+    }
+
+    private void init() {
+        ThemeColorManager.add(this);
+    }
+
+    public void setThemeColor(ThemeColor color) {
+        if (this.mColor != color.colorPrimary) {
+            this.mColor = color.colorPrimary;
+            this.setColor(color.colorPrimary);
+        }
+    }
+
+    public void setImageResource(int resId) {
+        super.setImageResource(resId);
+        if (this.mColor != 0) {
+            this.setColor(this.mColor);
+        }
+
+    }
+
+    private void setColor(int color) {
+        getDrawable().setColorFilter(color, PorterDuff.Mode.SRC_IN);
+    }
+
+}