Fix lint issues

2016-03-23 21:32:51 +01:00
parent d6ea6c742f
commit 72b333681c
210 changed files with 394 additions and 2690 deletions
--- a/app/src/main/res/layout/cpp_app_button_clear.xml
+++ b/app/src/main/res/layout/cpp_app_button_clear.xml
@@ -28,5 +28,5 @@
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:text="@string/c_clear"
-    app:directionTextUp="MC"
+    app:directionTextUp="@string/cpp_kb_memory_clear"
    a:textStyle="bold"/>
--- a/app/src/main/res/layout/cpp_app_button_donate.xml
+++ b/app/src/main/res/layout/cpp_app_button_donate.xml
@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright 2013 serso aka se.solovyev
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~    http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  ~
-  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-  ~ Contact details
-  ~
-  ~ Email: se.solovyev@gmail.com
-  ~ Site:  http://se.solovyev.org
-  -->
-
-<ImageButton
-    xmlns:a="http://schemas.android.com/apk/res/android"
-    a:id="@id/cpp_button_like"
-    style="?attr/cpp_button_style_control"
-    a:src="@drawable/ic_share_white_48dp" />
--- a/app/src/main/res/layout/cpp_app_button_empty.xml
+++ b/app/src/main/res/layout/cpp_app_button_empty.xml
@@ -1,24 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright 2013 serso aka se.solovyev
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~    http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  ~
-  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-  ~ Contact details
-  ~
-  ~ Email: se.solovyev@gmail.com
-  ~ Site:  http://se.solovyev.org
-  -->
-<org.solovyev.android.views.dragbutton.DirectionDragButton style="?attr/cpp_button_style_control" />
--- a/app/src/main/res/layout/cpp_app_button_equals.xml
+++ b/app/src/main/res/layout/cpp_app_button_equals.xml
@@ -1,33 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright 2013 serso aka se.solovyev
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~    http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  ~
-  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-  ~ Contact details
-  ~
-  ~ Email: se.solovyev@gmail.com
-  ~ Site:  http://se.solovyev.org
-  -->
-<org.solovyev.android.views.dragbutton.DirectionDragButton
-    xmlns:a="http://schemas.android.com/apk/res/android"
-    xmlns:c="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    a:id="@id/cpp_button_equals"
-    style="?attr/cpp_button_style_control"
-    a:text="="
-    c:directionTextDown="@string/cpp_plot_button_text"
-    c:directionTextUp="≡"
-    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_app_button_operators.xml
+++ b/app/src/main/res/layout/cpp_app_button_operators.xml
@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright 2013 serso aka se.solovyev
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~    http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  ~
-  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-  ~ Contact details
-  ~
-  ~ Email: se.solovyev@gmail.com
-  ~ Site:  http://se.solovyev.org
-  -->
-
-<org.solovyev.android.views.dragbutton.DirectionDragButton
-    xmlns:a="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    a:id="@id/cpp_button_operators"
-    style="?attr/cpp_button_style_control"
-    a:text="@string/cpp_kb_operators"
-    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_0.xml
+++ b/app/src/main/res/layout/cpp_simple_button_0.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_0"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="0" />
+    a:text="0"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_0_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_0_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_0"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="0" />
+    a:text="0"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_0_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_0_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_0"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="0" />
+    a:text="0"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_1.xml
+++ b/app/src/main/res/layout/cpp_simple_button_1.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_1"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="1" />
+    a:text="1"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_1_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_1_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_1"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="1" />
+    a:text="1"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_1_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_1_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_1"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="1" />
+    a:text="1"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_2.xml
+++ b/app/src/main/res/layout/cpp_simple_button_2.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_2"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="2" />
+    a:text="2"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_2_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_2_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_2"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="2" />
+    a:text="2"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_2_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_2_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_2"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="2" />
+    a:text="2"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_3.xml
+++ b/app/src/main/res/layout/cpp_simple_button_3.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_3"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="3" />
+    a:text="3"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_3_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_3_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_3"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="3" />
+    a:text="3"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_3_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_3_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_3"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="3" />
+    a:text="3"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_4.xml
+++ b/app/src/main/res/layout/cpp_simple_button_4.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_4"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="4" />
+    a:text="4"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_4_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_4_material.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_4"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="4" />
+    a:text="4"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_4_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_4_material_light.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_4"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="4" />
+    a:text="4"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_5.xml
+++ b/app/src/main/res/layout/cpp_simple_button_5.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_5"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="5" />
+    a:text="5"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_5_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_5_material.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_5"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="5" />
+    a:text="5"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_5_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_5_material_light.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_5"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="5" />
+    a:text="5"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_6.xml
+++ b/app/src/main/res/layout/cpp_simple_button_6.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_6"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="6" />
+    a:text="6"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_6_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_6_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_6"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="6" />
+    a:text="6"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_6_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_6_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_6"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="6" />
+    a:text="6"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_7.xml
+++ b/app/src/main/res/layout/cpp_simple_button_7.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_7"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="7" />
+    a:text="7"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_7_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_7_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_7"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="7" />
+    a:text="7"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_7_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_7_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_7"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="7" />
+    a:text="7"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_8.xml
+++ b/app/src/main/res/layout/cpp_simple_button_8.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_8"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="8" />
+    a:text="8"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_8_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_8_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_8"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="8" />
+    a:text="8"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_8_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_8_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_8"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="8" />
+    a:text="8"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_9.xml
+++ b/app/src/main/res/layout/cpp_simple_button_9.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_9"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="9" />
+    a:text="9"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_9_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_9_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_9"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="9" />
+    a:text="9"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_9_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_9_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_9"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="9" />
+    a:text="9"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_app.xml
+++ b/app/src/main/res/layout/cpp_simple_button_app.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_app"
    style="@style/CppKeyboardButton.Metro.Simple.Control.Image"
-    a:contentDescription="App"
    a:src="@drawable/ic_launch_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_app_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_app_material.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_app"
    style="@style/CppKeyboardButton.Material.Simple.Control.Image"
-    a:contentDescription="App"
    a:src="@drawable/ic_launch_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_app_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_app_material_light.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_app"
    style="@style/CppKeyboardButton.Material.Light.Simple.Control.Image"
-    a:contentDescription="App"
    a:src="@drawable/ic_launch_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_copy.xml
+++ b/app/src/main/res/layout/cpp_simple_button_copy.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_copy"
    style="@style/CppKeyboardButton.Metro.Simple.Control.Image"
-    a:contentDescription="Copy"
    a:src="@drawable/ic_content_copy_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_copy_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_copy_material.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_copy"
    style="@style/CppKeyboardButton.Material.Simple.Control.Image"
-    a:contentDescription="Copy"
    a:src="@drawable/ic_content_copy_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_copy_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_copy_material_light.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_copy"
    style="@style/CppKeyboardButton.Material.Light.Simple.Control.Image"
-    a:contentDescription="Copy"
    a:src="@drawable/ic_content_copy_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_division.xml
+++ b/app/src/main/res/layout/cpp_simple_button_division.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_division"
    style="@style/CppKeyboardButton.Metro.Simple.Operation"
-    a:text="/" />
+    a:text="/"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_division_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_division_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_division"
    style="@style/CppKeyboardButton.Material.Simple.Operation"
-    a:text="/" />
+    a:text="/"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_division_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_division_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_division"
    style="@style/CppKeyboardButton.Material.Light.Simple.Operation"
-    a:text="/" />
+    a:text="/"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_dot.xml
+++ b/app/src/main/res/layout/cpp_simple_button_dot.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_period"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="." />
+    a:text="."
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_dot_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_dot_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_period"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="." />
+    a:text="."
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_dot_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_dot_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_period"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="." />
+    a:text="."
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_equals.xml
+++ b/app/src/main/res/layout/cpp_simple_button_equals.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_equals"
    style="@style/CppKeyboardButton.Metro.Simple.NoBg"
-    a:text="=" />
+    a:text="="
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_equals_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_equals_material.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_equals"
    style="@style/CppKeyboardButton.Material.Simple.NoBg"
-    a:text="=" />
+    a:text="="
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_equals_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_equals_material_light.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_equals"
    style="@style/CppKeyboardButton.Material.Light.Simple.NoBg"
-    a:text="=" />
+    a:text="="
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_erase.xml
+++ b/app/src/main/res/layout/cpp_simple_button_erase.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_erase"
    style="@style/CppKeyboardButton.Metro.Simple.Operation.Image"
-    a:contentDescription="Erase"
    a:src="@drawable/ic_backspace_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_erase_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_erase_material.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_erase"
    style="@style/CppKeyboardButton.Material.Simple.Control.Image.Highlighted"
-    a:contentDescription="Erase"
    a:src="@drawable/ic_backspace_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_erase_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_erase_material_light.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_erase"
    style="@style/CppKeyboardButton.Material.Light.Simple.Control.Image.Highlighted"
-    a:contentDescription="Erase"
    a:src="@drawable/ic_backspace_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_multiplication.xml
+++ b/app/src/main/res/layout/cpp_simple_button_multiplication.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_multiplication"
    style="@style/CppKeyboardButton.Metro.Simple.Operation"
-    a:text="×" />
+    a:text="×"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_multiplication_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_multiplication_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_multiplication"
    style="@style/CppKeyboardButton.Material.Simple.Operation"
-    a:text="×" />
+    a:text="×"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_multiplication_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_multiplication_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_multiplication"
    style="@style/CppKeyboardButton.Material.Light.Simple.Operation"
-    a:text="×" />
+    a:text="×"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_paste.xml
+++ b/app/src/main/res/layout/cpp_simple_button_paste.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_paste"
    style="@style/CppKeyboardButton.Metro.Simple.Control.Image"
-    a:contentDescription="Paste"
    a:src="@drawable/ic_content_paste_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_paste_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_paste_material.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_paste"
    style="@style/CppKeyboardButton.Material.Simple.Control.Image"
-    a:contentDescription="Paste"
    a:src="@drawable/ic_content_paste_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_paste_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_paste_material_light.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_paste"
    style="@style/CppKeyboardButton.Material.Light.Simple.Control.Image"
-    a:contentDescription="Paste"
    a:src="@drawable/ic_content_paste_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_percent.xml
+++ b/app/src/main/res/layout/cpp_simple_button_percent.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_percent"
    style="@style/CppKeyboardButton.Metro.Simple.Control"
-    a:text="%" />
+    a:text="%"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_percent_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_percent_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_percent"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="%" />
+    a:text="%"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_percent_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_percent_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_percent"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="%" />
+    a:text="%"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_plus.xml
+++ b/app/src/main/res/layout/cpp_simple_button_plus.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_plus"
    style="@style/CppKeyboardButton.Metro.Simple.Operation"
-    a:text="+" />
+    a:text="+"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_plus_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_plus_material.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_plus"
    style="@style/CppKeyboardButton.Material.Simple.Operation"
-    a:text="+" />
+    a:text="+"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_plus_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_plus_material_light.xml
@@ -23,6 +23,8 @@
  -->
 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_plus"
    style="@style/CppKeyboardButton.Material.Light.Simple.Operation"
-    a:text="+" />
+    a:text="+"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_power.xml
+++ b/app/src/main/res/layout/cpp_simple_button_power.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_power"
    style="@style/CppKeyboardButton.Metro.Simple.Control"
-    a:text="^" />
+    a:text="^"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_power_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_power_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_power"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="^" />
+    a:text="^"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_power_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_power_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_power"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="^" />
+    a:text="^"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_round_brackets.xml
+++ b/app/src/main/res/layout/cpp_simple_button_round_brackets.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_round_brackets"
    style="@style/CppKeyboardButton.Metro.Simple.Digit"
-    a:text="(  )" />
+    a:text="(  )"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_round_brackets_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_round_brackets_material.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_round_brackets"
    style="@style/CppKeyboardButton.Material.Simple.Digit"
-    a:text="(  )" />
+    a:text="(  )"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_round_brackets_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_round_brackets_material_light.xml
@@ -24,6 +24,8 @@

 <Button
    xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:id="@id/cpp_button_round_brackets"
    style="@style/CppKeyboardButton.Material.Light.Simple.Digit"
-    a:text="(  )" />
+    a:text="(  )"
+    tools:ignore="HardcodedText" />
--- a/app/src/main/res/layout/cpp_simple_button_settings.xml
+++ b/app/src/main/res/layout/cpp_simple_button_settings.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_settings"
    style="@style/CppKeyboardButton.Metro.Simple.Control.Image"
-    a:contentDescription="Settings"
    a:src="@drawable/ic_settings_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_settings_material.xml
+++ b/app/src/main/res/layout/cpp_simple_button_settings_material.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_settings"
    style="@style/CppKeyboardButton.Material.Simple.Control.Image"
-    a:contentDescription="Settings"
    a:src="@drawable/ic_settings_white_48dp" />
--- a/app/src/main/res/layout/cpp_simple_button_settings_material_light.xml
+++ b/app/src/main/res/layout/cpp_simple_button_settings_material_light.xml
@@ -26,5 +26,4 @@
    xmlns:a="http://schemas.android.com/apk/res/android"
    a:id="@id/cpp_button_settings"
    style="@style/CppKeyboardButton.Material.Light.Simple.Control.Image"
-    a:contentDescription="Settings"
    a:src="@drawable/ic_settings_white_48dp" />
--- a/app/src/main/res/layout/cpp_unit_converter.xml
+++ b/app/src/main/res/layout/cpp_unit_converter.xml
@@ -23,6 +23,7 @@
  -->

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
@@ -70,7 +71,7 @@
                        android:id="@+id/converter_edittext_from"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
-                        android:hint="From"
+                        android:hint="@string/cpp_units_from"
                        android:inputType="numberDecimal"
                        android:singleLine="true" />
                </android.support.design.widget.TextInputLayout>
@@ -101,9 +102,10 @@
                        android:editable="false"
                        android:focusable="false"
                        android:focusableInTouchMode="false"
-                        android:hint="To"
+                        android:hint="@string/cpp_units_to"
                        android:inputType="none"
-                        android:singleLine="true" />
+                        android:singleLine="true"
+                        tools:ignore="Deprecated" />
                </android.support.design.widget.TextInputLayout>

                <Spinner
--- a/app/src/main/res/layout/cpp_wizard_step_choose_mode.xml
+++ b/app/src/main/res/layout/cpp_wizard_step_choose_mode.xml
@@ -23,6 +23,7 @@
  -->

 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
    a:layout_width="match_parent"
    a:layout_height="match_parent"
    a:gravity="center"
@@ -61,7 +62,8 @@
                style="?attr/cpp_button_style_operation"
                a:layout_width="@dimen/cpp_wizard_preview_button_size"
                a:layout_height="@dimen/cpp_wizard_preview_button_size"
-                a:text="7" />
+                a:text="7"
+                tools:ignore="HardcodedText" />
        </FrameLayout>

        <TextView
--- a/app/src/main/res/layout/cpp_wizard_step_drag_button.xml
+++ b/app/src/main/res/layout/cpp_wizard_step_drag_button.xml
@@ -24,6 +24,7 @@

 <LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
    xmlns:c="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
    a:layout_width="match_parent"
    a:layout_height="match_parent"
    a:gravity="center"
@@ -52,6 +53,7 @@
        a:layout_margin="0dp"
        a:text="9"
        c:directionTextDown="^2"
-        c:directionTextUp="%" />
+        c:directionTextUp="%"
+        tools:ignore="HardcodedText" />

 </LinearLayout>
--- a/app/src/main/res/layout/tabs.xml
+++ b/app/src/main/res/layout/tabs.xml
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-
-<!--
-  ~ Copyright 2013 serso aka se.solovyev
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~    http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  ~
-  ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-  ~ Contact details
-  ~
-  ~ Email: se.solovyev@gmail.com
-  ~ Site:  http://se.solovyev.org
-  -->
-
-<TabHost
-    xmlns:a="http://schemas.android.com/apk/res/android"
-    a:id="@android:id/tabhost"
-    a:layout_width="fill_parent"
-    a:layout_height="fill_parent">
-
-    <LinearLayout
-        a:layout_width="fill_parent"
-        a:layout_height="fill_parent"
-        a:orientation="vertical">
-
-        <TabWidget
-            a:id="@android:id/tabs"
-            a:layout_width="fill_parent"
-            a:layout_height="wrap_content" />
-
-        <FrameLayout
-            a:id="@android:id/tabcontent"
-            a:layout_width="fill_parent"
-            a:layout_height="fill_parent" />
-
-    </LinearLayout>
-</TabHost>