Add grid layout support library samples.

These samples are simply ported from the ApiDemos package
with package names updated to use the support library
implementation instead.

Bug: 8175766
Change-Id: Ib24c1250ed7571353f606422734a4660f382b368
diff --git a/samples/Support7Demos/AndroidManifest.xml b/samples/Support7Demos/AndroidManifest.xml
index 6d93b62..d9ff231 100644
--- a/samples/Support7Demos/AndroidManifest.xml
+++ b/samples/Support7Demos/AndroidManifest.xml
@@ -60,5 +60,29 @@
                 <action android:name="android.media.MediaRouteProviderService" />
             </intent-filter>
         </service>
+
+        <!-- GridLayout Support Samples -->
+
+        <activity android:name=".view.GridLayout1" android:label="Views/Layouts/GridLayout/1. Simple Form">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="com.example.android.supportv7.SUPPORT4_SAMPLE_CODE" />
+            </intent-filter>
+        </activity>
+
+        <activity android:name=".view.GridLayout2" android:label="Views/Layouts/GridLayout/2. Form (XML)">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="com.example.android.supportv7.SUPPORT4_SAMPLE_CODE" />
+            </intent-filter>
+        </activity>
+
+        <activity android:name=".view.GridLayout3" android:label="Views/Layouts/GridLayout/3. Form (Java)">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="com.example.android.supportv7.SUPPORT4_SAMPLE_CODE" />
+            </intent-filter>
+        </activity>
+
     </application>
 </manifest>
diff --git a/samples/Support7Demos/res/layout-land/grid_layout_2.xml b/samples/Support7Demos/res/layout-land/grid_layout_2.xml
new file mode 100644
index 0000000..49fceaa
--- /dev/null
+++ b/samples/Support7Demos/res/layout-land/grid_layout_2.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     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.
+-->
+
+<android.support.v7.widget.GridLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:useDefaultMargins="true"
+    app:alignmentMode="alignBounds"
+    app:rowOrderPreserved="false"
+    app:columnCount="4"
+    >
+    <TextView
+        android:text="Email setup"
+        android:textSize="32dip"
+        app:layout_columnSpan="4"
+        app:layout_gravity="center_horizontal"
+    />
+    <TextView
+        android:text="You can configure email in a few simple steps:"
+        android:textSize="16dip"
+        app:layout_columnSpan="4"
+        app:layout_gravity="left"
+    />
+    <TextView
+        android:text="Email address:"
+        app:layout_gravity="right"
+    />
+    <EditText
+        android:ems="10"
+    />
+    <TextView
+        android:text="Password:"
+        app:layout_column="0"
+        app:layout_gravity="right"
+    />
+    <EditText
+        android:ems="8"
+    />
+    <Button
+        android:text="Manual setup"
+        app:layout_row="5"
+        app:layout_column="3"
+    />
+    <Button
+        android:text="Next"
+        app:layout_column="3"
+        app:layout_gravity="fill_horizontal"
+    />
+</android.support.v7.widget.GridLayout>
diff --git a/samples/Support7Demos/res/layout/grid_layout_1.xml b/samples/Support7Demos/res/layout/grid_layout_1.xml
new file mode 100644
index 0000000..c3b1537
--- /dev/null
+++ b/samples/Support7Demos/res/layout/grid_layout_1.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     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.
+-->
+
+<!--
+    Demonstrates using GridLayout to build the "Simple Form" from the
+    LinearLayout and RelativeLayout demos.
+-->
+
+<android.support.v7.widget.GridLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@drawable/blue"
+    android:padding="10dip"
+    app:columnCount="4"
+    >
+    <TextView
+        android:text="@string/grid_layout_1_instructions"
+    />
+    <EditText
+        app:layout_gravity="fill_horizontal"
+        app:layout_column="0"
+        app:layout_columnSpan="4"
+    />
+    <Button
+        android:text="@string/grid_layout_1_cancel"
+        app:layout_column="2"
+    />
+    <Button
+        android:text="@string/grid_layout_1_ok"
+        android:layout_marginLeft="10dip"
+    />
+</android.support.v7.widget.GridLayout>
diff --git a/samples/Support7Demos/res/layout/grid_layout_2.xml b/samples/Support7Demos/res/layout/grid_layout_2.xml
new file mode 100644
index 0000000..b7ee40c
--- /dev/null
+++ b/samples/Support7Demos/res/layout/grid_layout_2.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     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.
+-->
+
+<android.support.v7.widget.GridLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:useDefaultMargins="true"
+    app:alignmentMode="alignBounds"
+    app:columnOrderPreserved="false"
+    app:columnCount="4"
+    >
+    <TextView
+        android:text="Email setup"
+        android:textSize="32dip"
+        app:layout_columnSpan="4"
+        app:layout_gravity="center_horizontal"
+    />
+    <TextView
+        android:text="You can configure email in a few simple steps:"
+        android:textSize="16dip"
+        app:layout_columnSpan="4"
+        app:layout_gravity="left"
+    />
+    <TextView
+        android:text="Email address:"
+        app:layout_gravity="right"
+    />
+    <EditText
+        android:ems="10"
+    />
+    <TextView
+        android:text="Password:"
+        app:layout_column="0"
+        app:layout_gravity="right"
+    />
+    <EditText
+        android:ems="8"
+    />
+    <Button
+        android:text="Manual setup"
+        app:layout_row="5"
+        app:layout_column="3"
+    />
+    <Button
+        android:text="Next"
+        app:layout_column="3"
+        app:layout_gravity="fill_horizontal"
+    />
+</android.support.v7.widget.GridLayout>
diff --git a/samples/Support7Demos/res/values/colors.xml b/samples/Support7Demos/res/values/colors.xml
new file mode 100644
index 0000000..b129b8d
--- /dev/null
+++ b/samples/Support7Demos/res/values/colors.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2007 The Android Open Source Project
+
+     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.
+-->
+
+<resources>
+    <drawable name="blue">#770000ff</drawable>
+</resources>
diff --git a/samples/Support7Demos/res/values/strings.xml b/samples/Support7Demos/res/values/strings.xml
index d7ccc44..2e8c281 100644
--- a/samples/Support7Demos/res/values/strings.xml
+++ b/samples/Support7Demos/res/values/strings.xml
@@ -30,4 +30,10 @@
     <string name="sample_media_route_provider_service">Media Route Provider Service Support Library Sample</string>
     <string name="fixed_volume_route_name">Fixed Volume Remote Playback Route</string>
     <string name="variable_volume_route_name">Variable Volume Remote Playback Route</string>
+
+    <!-- GridLayout -->
+    <string name="grid_layout_1_instructions">Type here:</string>
+    <string name="grid_layout_1_ok">Ok</string>
+    <string name="grid_layout_1_cancel">Cancel</string>
+
 </resources>
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout1.java b/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout1.java
new file mode 100644
index 0000000..6b27a2d
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout1.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.example.android.supportv7.view;
+
+import com.example.android.supportv7.R;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+/**
+ * Demonstrates using GridLayout to build the same "Simple Form" as in the
+ * LinearLayout and RelativeLayout demos.
+ */
+public class GridLayout1 extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.grid_layout_1);
+    }
+}
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout2.java b/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout2.java
new file mode 100644
index 0000000..86258aa
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout2.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.example.android.supportv7.view;
+
+import com.example.android.supportv7.R;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+/**
+ * A form, showing use of the GridLayout API from XML.
+ */
+public class GridLayout2 extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.grid_layout_2);
+    }
+}
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout3.java b/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout3.java
new file mode 100644
index 0000000..71dffe5
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/view/GridLayout3.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.example.android.supportv7.view;
+
+import static android.support.v7.widget.GridLayout.ALIGN_BOUNDS;
+import static android.support.v7.widget.GridLayout.BASELINE;
+import static android.support.v7.widget.GridLayout.CENTER;
+import static android.support.v7.widget.GridLayout.FILL;
+import static android.support.v7.widget.GridLayout.LEFT;
+import static android.support.v7.widget.GridLayout.RIGHT;
+import static android.support.v7.widget.GridLayout.spec;
+import static android.text.InputType.TYPE_CLASS_TEXT;
+import static android.text.InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
+import static android.text.InputType.TYPE_TEXT_VARIATION_PASSWORD;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.os.Bundle;
+import android.support.v7.widget.GridLayout;
+import android.support.v7.widget.GridLayout.LayoutParams;
+import android.support.v7.widget.GridLayout.Spec;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+/**
+ * A form, showing use of the GridLayout API. Here we demonstrate use of the row/column order
+ * preserved property which allows rows and or columns to pass over each other when needed.
+ * The two buttons in the bottom right corner need to be separated from the other UI elements.
+ * This can either be done by separating rows or separating columns - but we don't need
+ * to do both and may only have enough space to do one or the other.
+ */
+public class GridLayout3 extends Activity {
+    public static View create(Context context) {
+        GridLayout p = new GridLayout(context);
+        p.setUseDefaultMargins(true);
+        p.setAlignmentMode(ALIGN_BOUNDS);
+        Configuration configuration = context.getResources().getConfiguration();
+        if ((configuration.orientation == Configuration.ORIENTATION_PORTRAIT)) {
+            p.setColumnOrderPreserved(false);
+        } else {
+            p.setRowOrderPreserved(false);
+        }
+
+        Spec titleRow              = spec(0);
+        Spec introRow              = spec(1);
+        Spec emailRow              = spec(2, BASELINE);
+        Spec passwordRow           = spec(3, BASELINE);
+        Spec button1Row            = spec(5);
+        Spec button2Row            = spec(6);
+
+        Spec centerInAllColumns    = spec(0, 4, CENTER);
+        Spec leftAlignInAllColumns = spec(0, 4, LEFT);
+        Spec labelColumn           = spec(0, RIGHT);
+        Spec fieldColumn           = spec(1, LEFT);
+        Spec defineLastColumn      = spec(3);
+        Spec fillLastColumn        = spec(3, FILL);
+
+        {
+            TextView c = new TextView(context);
+            c.setTextSize(32);
+            c.setText("Email setup");
+            p.addView(c, new LayoutParams(titleRow, centerInAllColumns));
+        }
+        {
+            TextView c = new TextView(context);
+            c.setTextSize(16);
+            c.setText("You can configure email in a few simple steps:");
+            p.addView(c, new LayoutParams(introRow, leftAlignInAllColumns));
+        }
+        {
+            TextView c = new TextView(context);
+            c.setText("Email address:");
+            p.addView(c, new LayoutParams(emailRow, labelColumn));
+        }
+        {
+            EditText c = new EditText(context);
+            c.setEms(10);
+            c.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
+            p.addView(c, new LayoutParams(emailRow, fieldColumn));
+        }
+        {
+            TextView c = new TextView(context);
+            c.setText("Password:");
+            p.addView(c, new LayoutParams(passwordRow, labelColumn));
+        }
+        {
+            EditText c = new EditText(context);
+            c.setEms(8);
+            c.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_VARIATION_PASSWORD);
+            p.addView(c, new LayoutParams(passwordRow, fieldColumn));
+        }
+        {
+            Button c = new Button(context);
+            c.setText("Manual setup");
+            p.addView(c, new LayoutParams(button1Row, defineLastColumn));
+        }
+        {
+            Button c = new Button(context);
+            c.setText("Next");
+            p.addView(c, new LayoutParams(button2Row, fillLastColumn));
+        }
+
+        return p;
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(create(this));
+    }
+
+}
\ No newline at end of file