sample: 自定义控件; fix: ActivityNotFoundException

app/src/main/res/layout/dialog_class_search.xml

@@ -6,13 +6,13 @@
 
     <android.support.design.widget.TextInputLayout
         android:layout_width="match_parent"
+        android:hint="@string/text_class_or_package_name"
         android:layout_height="wrap_content">
 
         <android.support.design.widget.TextInputEditText
             android:id="@+id/keywords"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:hint="@string/text_class_or_package_name"/>
+            android:layout_height="wrap_content"/>
     </android.support.design.widget.TextInputLayout>
 
     <FrameLayout

app/src/main/res/values/strings.xml

@@ -423,4 +423,5 @@
     <string name="text_run_on_config_change">某些设置(屏幕方向,地区等)更改时</string>
     <string name="error_pattern_syntax">正则表达式错误</string>
     <string name="text_invalid_package_name">非法包名</string>
+    <string name="error_cannot_rename">重命名失败</string>
 </resources>