ItemTouchHelper demo activities
NOTICE: TBR
Change-Id: I8d4c0bd2662fc0deb6465de753c1107938fbe6ee
diff --git a/samples/Support7Demos/Android.mk b/samples/Support7Demos/Android.mk
index 9e7164d..371c737 100644
--- a/samples/Support7Demos/Android.mk
+++ b/samples/Support7Demos/Android.mk
@@ -35,13 +35,16 @@
frameworks/support/v7/appcompat/res \
frameworks/support/v7/gridlayout/res \
frameworks/support/v7/mediarouter/res \
- frameworks/support/v7/recyclerview/res \
- frameworks/support/v7/cardview/res
+ frameworks/support/v7/cardview/res \
+ frameworks/support/design/res \
+ frameworks/support/v7/recyclerview/res
+
LOCAL_AAPT_FLAGS := \
--auto-add-overlay \
--extra-packages android.support.v7.appcompat \
--extra-packages android.support.v7.cardview \
--extra-packages android.support.v7.gridlayout \
- --extra-packages android.support.v7.recyclerview \
- --extra-packages android.support.v7.mediarouter
+ --extra-packages android.support.v7.mediarouter \
+ --extra-packages android.support.design \
+ --extra-packages android.support.v7.recyclerview
include $(BUILD_PACKAGE)
diff --git a/samples/Support7Demos/AndroidManifest.xml b/samples/Support7Demos/AndroidManifest.xml
index 7860462..3f3ec1e 100644
--- a/samples/Support7Demos/AndroidManifest.xml
+++ b/samples/Support7Demos/AndroidManifest.xml
@@ -406,5 +406,22 @@
android:label="@string/palette"
android:theme="@style/Theme.AppCompat" />
+ <!-- item touch helper demo activities-->
+ <activity android:name=".widget.touch.SwipeToDismissActivity"
+ android:label="@string/swipe_to_dismiss_activity">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN"/>
+ <category android:name="com.example.android.supportv7.SAMPLE_CODE"/>
+ </intent-filter>
+ </activity>
+ <activity android:name=".widget.touch.DragAndDropActivity"
+ android:label="@string/drag_and_drop_activity">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN"/>
+ <category android:name="com.example.android.supportv7.SAMPLE_CODE"/>
+ </intent-filter>
+ </activity>
</application>
+
+
</manifest>
diff --git a/samples/Support7Demos/res/layout/activity_item_touch.xml b/samples/Support7Demos/res/layout/activity_item_touch.xml
new file mode 100644
index 0000000..d809b0e
--- /dev/null
+++ b/samples/Support7Demos/res/layout/activity_item_touch.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2015 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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:orientation="vertical"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent">
+ <android.support.v7.widget.RecyclerView
+ android:layout_width="fill_parent"
+ android:layout_height="60dp"
+ android:scrollbars="horizontal"
+ android:id="@+id/config_recycler_view"/>
+ <android.support.v7.widget.RecyclerView
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:id="@+id/recycler_view"/>
+</LinearLayout>
\ No newline at end of file
diff --git a/samples/Support7Demos/res/layout/config_view_toggle.xml b/samples/Support7Demos/res/layout/config_view_toggle.xml
new file mode 100644
index 0000000..ac187ff
--- /dev/null
+++ b/samples/Support7Demos/res/layout/config_view_toggle.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<CheckBox xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_width="wrap_content"
+ android:layout_height="match_parent">
+
+</CheckBox>
\ No newline at end of file
diff --git a/samples/Support7Demos/res/layout/touch_item.xml b/samples/Support7Demos/res/layout/touch_item.xml
new file mode 100644
index 0000000..7ff9547
--- /dev/null
+++ b/samples/Support7Demos/res/layout/touch_item.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:card="http://schemas.android.com/apk/res-auto"
+ android:layout_width="match_parent"
+ card:cardUseCompatPadding="true"
+ android:background="@color/card_classic"
+ android:layout_height="wrap_content">
+ <TextView android:layout_width="wrap_content"
+ android:textColor="@android:color/black"
+ android:layout_height="@dimen/touch_item_min_height"
+ android:id="@+id/text_view"/>
+ <Button android:layout_width="wrap_content" android:layout_height="wrap_content"
+ android:layout_gravity="end|center_vertical"
+ android:id="@+id/action_button" android:visibility="gone"/>
+ <FrameLayout
+ android:id="@+id/overlay"
+ android:visibility="gone"
+ android:background="@color/card_tropical"
+ android:layout_width="match_parent"
+ android:layout_height="@dimen/touch_item_min_height">
+ <TextView android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center"
+ android:text="@string/swiping"/>
+ </FrameLayout>
+</android.support.v7.widget.CardView>
\ No newline at end of file
diff --git a/samples/Support7Demos/res/values/dimens.xml b/samples/Support7Demos/res/values/dimens.xml
index f952d18..f2520b9 100644
--- a/samples/Support7Demos/res/values/dimens.xml
+++ b/samples/Support7Demos/res/values/dimens.xml
@@ -17,5 +17,6 @@
<resources>
<dimen name="color_palette_size">60dp</dimen>
+ <dimen name="touch_item_min_height">60dp</dimen>
</resources>
diff --git a/samples/Support7Demos/res/values/strings.xml b/samples/Support7Demos/res/values/strings.xml
index b1f6ffa..2353c18 100644
--- a/samples/Support7Demos/res/values/strings.xml
+++ b/samples/Support7Demos/res/values/strings.xml
@@ -186,4 +186,16 @@
<string name="tint_overflow_clear">Clear overflow button tint</string>
<string name="dummy">Dummy item</string>
+ <string name="swipe_to_dismiss_activity">RecyclerView/ItemTouchHelper/Swipe To Dismiss</string>
+ <string name="drag_and_drop_activity">RecyclerView/ItemTouchHelper/Drag and Drop Activity</string>
+ <string name="swipe_start">start</string>
+ <string name="swipe_end">end</string>
+ <string name="pointer_swipe_enabled">pointer swipe</string>
+ <string name="custom_swipe_enabled">custom swipe</string>
+ <string name="drag_up">up</string>
+ <string name="drag_down">down</string>
+ <string name="long_press_drag">long press drag</string>
+ <string name="drag">drag me</string>
+ <string name="swipe">swipe me</string>
+ <string name="swiping">swiping</string>
</resources>
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/widget/BaseLayoutManagerActivity.java b/samples/Support7Demos/src/com/example/android/supportv7/widget/BaseLayoutManagerActivity.java
index 4bb64f4..782da52 100644
--- a/samples/Support7Demos/src/com/example/android/supportv7/widget/BaseLayoutManagerActivity.java
+++ b/samples/Support7Demos/src/com/example/android/supportv7/widget/BaseLayoutManagerActivity.java
@@ -19,12 +19,15 @@
import com.example.android.supportv7.Cheeses;
import com.example.android.supportv7.R;
import com.example.android.supportv7.widget.adapter.SimpleStringAdapter;
+import com.example.android.supportv7.widget.util.ConfigToggle;
+import com.example.android.supportv7.widget.util.ConfigViewHolder;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
@@ -167,56 +170,11 @@
abstract ConfigToggle[] createConfigToggles();
- private class ConfigViewHolder extends RecyclerView.ViewHolder
- implements CompoundButton.OnCheckedChangeListener {
-
- private CheckBox mCheckBox;
-
- private ConfigToggle mConfigToggle;
-
- public ConfigViewHolder(View itemView) {
- super(itemView);
- mCheckBox = (CheckBox) itemView;
- mCheckBox.setOnCheckedChangeListener(this);
- }
-
- public void bind(ConfigToggle toggle) {
- mConfigToggle = toggle;
- mCheckBox.setText(toggle.getText());
- mCheckBox.setChecked(toggle.isChecked());
- }
-
- @Override
- public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
- if (mConfigToggle != null) {
- mConfigToggle.onChange(isChecked);
- }
- }
- }
-
-
- public abstract static class ConfigToggle {
-
- private String mLabel;
-
- protected ConfigToggle(Context context, int labelId) {
- mLabel = context.getResources().getString(labelId);
- }
-
- public String getText() {
- return mLabel;
- }
-
- abstract public boolean isChecked();
-
- abstract public void onChange(boolean newValue);
- }
-
-
private RecyclerView.Adapter mConfigAdapter = new RecyclerView.Adapter<ConfigViewHolder>() {
@Override
public ConfigViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
- return new ConfigViewHolder(new CheckBox(parent.getContext()));
+ return new ConfigViewHolder(LayoutInflater.from(parent.getContext())
+ .inflate(R.layout.config_view_toggle, parent, false));
}
@Override
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/widget/GridLayoutManagerActivity.java b/samples/Support7Demos/src/com/example/android/supportv7/widget/GridLayoutManagerActivity.java
index ef25c0b..3ce5c60 100644
--- a/samples/Support7Demos/src/com/example/android/supportv7/widget/GridLayoutManagerActivity.java
+++ b/samples/Support7Demos/src/com/example/android/supportv7/widget/GridLayoutManagerActivity.java
@@ -18,6 +18,7 @@
import com.example.android.supportv7.Cheeses;
import com.example.android.supportv7.R;
import com.example.android.supportv7.widget.adapter.SimpleStringAdapter;
+import com.example.android.supportv7.widget.util.ConfigToggle;
import android.support.v4.view.ViewCompat;
import android.support.v7.widget.GridLayoutManager;
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/widget/LinearLayoutManagerActivity.java b/samples/Support7Demos/src/com/example/android/supportv7/widget/LinearLayoutManagerActivity.java
index 9aaa558..7482e3e 100644
--- a/samples/Support7Demos/src/com/example/android/supportv7/widget/LinearLayoutManagerActivity.java
+++ b/samples/Support7Demos/src/com/example/android/supportv7/widget/LinearLayoutManagerActivity.java
@@ -22,6 +22,7 @@
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import com.example.android.supportv7.R;
+import com.example.android.supportv7.widget.util.ConfigToggle;
/**
* A sample activity that uses {@link LinearLayoutManager}.
@@ -41,7 +42,7 @@
}
@Override
- BaseLayoutManagerActivity.ConfigToggle[] createConfigToggles() {
+ ConfigToggle[] createConfigToggles() {
return new ConfigToggle[]{
new ConfigToggle(this, R.string.checkbox_orientation) {
@Override
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/DragAndDropActivity.java b/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/DragAndDropActivity.java
new file mode 100644
index 0000000..7f9f7e5
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/DragAndDropActivity.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2015 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.widget.touch;
+
+import com.example.android.supportv7.R;
+import com.example.android.supportv7.widget.util.ConfigToggle;
+
+import android.annotation.TargetApi;
+import android.os.Build;
+import android.support.v4.view.MotionEventCompat;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.helper.ItemTouchHelper;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+
+public class DragAndDropActivity extends ItemTouchHelperActivity {
+
+ boolean mDragUpEnabled = true;
+ boolean mDragDownEnabled = true;
+ boolean mLongPressDragEnabled = true;
+
+ @Override
+ ConfigToggle[] createConfigToggles() {
+ return new ConfigToggle[]{
+ new ConfigToggle(this, R.string.drag_up) {
+ @Override
+ public boolean isChecked() {
+ return mDragUpEnabled;
+ }
+
+ @Override
+ public void onChange(boolean newValue) {
+ mDragUpEnabled = newValue;
+ }
+ },
+ new ConfigToggle(this, R.string.drag_down) {
+ @Override
+ public boolean isChecked() {
+ return mDragDownEnabled;
+ }
+
+ @Override
+ public void onChange(boolean newValue) {
+ mDragDownEnabled = newValue;
+ }
+ },
+ new ConfigToggle(this, R.string.long_press_drag) {
+ @Override
+ public boolean isChecked() {
+ return mLongPressDragEnabled;
+ }
+
+ @Override
+ public void onChange(boolean newValue) {
+ mLongPressDragEnabled = newValue;
+ mAdapter.notifyDataSetChanged();
+ }
+ }
+ };
+ }
+
+ @Override
+ public boolean isLongPressDragEnabled() {
+ return mLongPressDragEnabled;
+ }
+
+ @Override
+ public void onBind(ItemTouchViewHolder viewHolder) {
+ super.onBind(viewHolder);
+ viewHolder.actionButton.setVisibility(mLongPressDragEnabled ? View.GONE : View.VISIBLE);
+ }
+
+ @Override
+ public void clearView(RecyclerView.ViewHolder viewHolder) {
+ super.clearView(viewHolder);
+ ItemTouchViewHolder touchVH = (ItemTouchViewHolder) viewHolder;
+ touchVH.cardView.setCardBackgroundColor(getResources().getColor(android.R.color.white));
+ touchVH.overlay.setVisibility(View.GONE);
+ }
+
+ @Override
+ public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
+ ItemTouchViewHolder touchVH = (ItemTouchViewHolder) viewHolder;
+ if (actionState != ItemTouchHelper.ACTION_STATE_IDLE) {
+ touchVH.cardView.setCardBackgroundColor(getResources().getColor(R.color.card_aquatic));
+ }
+ super.onSelectedChanged(viewHolder, actionState);
+ }
+
+ @Override
+ public ItemTouchViewHolder onCreateViewHolder(ViewGroup parent) {
+ final ItemTouchViewHolder vh = super.onCreateViewHolder(parent);
+ vh.actionButton.setText(R.string.drag);
+ vh.actionButton.setOnTouchListener(new View.OnTouchListener() {
+ @Override
+ public boolean onTouch(View v, MotionEvent event) {
+ if (MotionEventCompat.getActionMasked(event) == MotionEvent.ACTION_DOWN) {
+ mItemTouchHelper.startDrag(vh);
+ }
+ return false;
+ }
+ });
+ return vh;
+ }
+
+ @Override
+ public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
+ return mCallback.makeMovementFlags(
+ (mDragUpEnabled ? ItemTouchHelper.UP : 0) |
+ (mDragDownEnabled ? ItemTouchHelper.DOWN : 0), 0);
+ }
+}
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/ItemTouchHelperActivity.java b/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/ItemTouchHelperActivity.java
new file mode 100644
index 0000000..54a0bb3
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/ItemTouchHelperActivity.java
@@ -0,0 +1,283 @@
+/*
+ * Copyright (C) 2015 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.widget.touch;
+
+import com.example.android.supportv7.Cheeses;
+import com.example.android.supportv7.R;
+import com.example.android.supportv7.widget.util.ConfigToggle;
+import com.example.android.supportv7.widget.util.ConfigViewHolder;
+
+import android.app.Activity;
+import android.graphics.Canvas;
+import android.os.Bundle;
+import android.support.v7.widget.CardView;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.helper.ItemTouchHelper;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Sample activity from which ItemTouchHelper demo activities inherit.
+ */
+abstract public class ItemTouchHelperActivity extends Activity {
+
+ public RecyclerView mRecyclerView;
+
+ public ItemTouchAdapter mAdapter;
+
+ public ItemTouchHelper mItemTouchHelper;
+
+ public ItemTouchHelper.Callback mCallback;
+
+ private ConfigToggle[] mConfigToggles;
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ setContentView(R.layout.activity_item_touch);
+ mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
+ mRecyclerView.setHasFixedSize(true);
+ mAdapter = createAdapter();
+ mRecyclerView.setAdapter(mAdapter);
+ mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
+ mItemTouchHelper = createItemTouchHelper();
+ mItemTouchHelper.attachToRecyclerView(mRecyclerView);
+ initToggles();
+ }
+
+ private void initToggles() {
+ mConfigToggles = createConfigToggles();
+ RecyclerView configView = (RecyclerView) findViewById(R.id.config_recycler_view);
+ configView.setAdapter(new RecyclerView.Adapter<ConfigViewHolder>() {
+ @Override
+ public ConfigViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+ return new ConfigViewHolder(LayoutInflater.from(parent.getContext())
+ .inflate(R.layout.config_view_toggle, parent, false));
+ }
+
+ @Override
+ public void onBindViewHolder(ConfigViewHolder holder, int position) {
+ ConfigToggle toggle = mConfigToggles[position];
+ holder.bind(toggle);
+ }
+
+ @Override
+ public int getItemCount() {
+ return mConfigToggles.length;
+ }
+ });
+ configView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL,
+ false));
+ configView.setHasFixedSize(true);
+ }
+
+ abstract ConfigToggle[] createConfigToggles();
+
+ public ItemTouchHelper createItemTouchHelper() {
+ mCallback = createCallback();
+ return new ItemTouchHelper(mCallback);
+ }
+
+ public ItemTouchHelper.Callback createCallback() {
+ return new ItemTouchHelper.Callback() {
+ @Override
+ public int getMovementFlags(RecyclerView recyclerView,
+ RecyclerView.ViewHolder viewHolder) {
+ return ItemTouchHelperActivity.this.getMovementFlags(recyclerView, viewHolder);
+ }
+
+ @Override
+ public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder,
+ RecyclerView.ViewHolder target) {
+ mAdapter.move(viewHolder.getAdapterPosition(), target.getAdapterPosition());
+ return true;
+ }
+
+ @Override
+ public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
+ mAdapter.delete(viewHolder.getAdapterPosition());
+ }
+
+ @Override
+ public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
+ super.onSelectedChanged(viewHolder, actionState);
+ ItemTouchHelperActivity.this.onSelectedChanged(viewHolder, actionState);
+ }
+
+ @Override
+ public void onChildDraw(Canvas c, RecyclerView recyclerView,
+ RecyclerView.ViewHolder viewHolder,
+ float dX, float dY, int actionState, boolean isCurrentlyActive) {
+ if (ItemTouchHelperActivity.this.onChildDraw(c, recyclerView, viewHolder,
+ dX, dY, actionState, isCurrentlyActive)) {
+ return;
+ }
+ super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState,
+ isCurrentlyActive);
+ }
+
+ @Override
+ public void onChildDrawOver(Canvas c, RecyclerView recyclerView,
+ RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState,
+ boolean isCurrentlyActive) {
+ if (ItemTouchHelperActivity.this.onChildDrawOver(c, recyclerView, viewHolder,
+ dX, dY, actionState, isCurrentlyActive)) {
+ return;
+ }
+ super.onChildDrawOver(c, recyclerView, viewHolder, dX, dY, actionState,
+ isCurrentlyActive);
+ }
+
+ @Override
+ public boolean isLongPressDragEnabled() {
+ return ItemTouchHelperActivity.this.isLongPressDragEnabled();
+ }
+
+ @Override
+ public boolean isItemViewSwipeEnabled() {
+ return ItemTouchHelperActivity.this.isPointerSwipeEnabled();
+ }
+
+ @Override
+ public void clearView(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
+ super.clearView(recyclerView, viewHolder);
+ ItemTouchHelperActivity.this.clearView(viewHolder);
+ }
+ };
+ }
+
+ /**
+ * @return True if we should NOT call parent
+ */
+ public boolean onChildDraw(Canvas c, RecyclerView recyclerView,
+ RecyclerView.ViewHolder viewHolder,
+ float dX, float dY, int actionState, boolean isCurrentlyActive) {
+ return false;
+ }
+
+ /**
+ * @return True if we should NOT call parent
+ */
+ public boolean onChildDrawOver(Canvas c, RecyclerView recyclerView,
+ RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState,
+ boolean isCurrentlyActive) {
+ return false;
+ }
+
+ public void clearView(RecyclerView.ViewHolder viewHolder) {
+
+ }
+
+ public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
+
+ }
+
+ public boolean isLongPressDragEnabled() {
+ return true;
+ }
+
+ public boolean isPointerSwipeEnabled() {
+ return true;
+ }
+
+ public ItemTouchViewHolder onCreateViewHolder(ViewGroup parent) {
+ ItemTouchViewHolder itemTouchViewHolder = new ItemTouchViewHolder(
+ LayoutInflater.from(parent.getContext())
+ .inflate(R.layout.touch_item, parent, false));
+ return itemTouchViewHolder;
+ }
+
+ abstract public int getMovementFlags(RecyclerView recyclerView,
+ RecyclerView.ViewHolder viewHolder);
+
+ public ItemTouchAdapter createAdapter() {
+ return new ItemTouchAdapter();
+ }
+
+ public void onBind(ItemTouchViewHolder viewHolder) {
+
+ }
+
+ public void onCreateViewHolder(ItemTouchViewHolder viewHolder) {
+
+ }
+
+ public class ItemTouchViewHolder extends RecyclerView.ViewHolder {
+
+ public final TextView textView;
+
+ public final Button actionButton;
+
+ public final CardView cardView;
+
+ public final View overlay;
+
+ public ItemTouchViewHolder(View itemView) {
+ super(itemView);
+ cardView = (CardView) itemView;
+ textView = (TextView) itemView.findViewById(R.id.text_view);
+ actionButton = (Button) itemView.findViewById(R.id.action_button);
+ overlay = itemView.findViewById(R.id.overlay);
+ }
+ }
+
+ public class ItemTouchAdapter extends RecyclerView.Adapter<ItemTouchViewHolder> {
+
+ private List<String> mItems = new ArrayList<String>();
+
+ public ItemTouchAdapter() {
+ mItems.addAll(Arrays.asList(Cheeses.sCheeseStrings));
+ }
+
+ @Override
+ public ItemTouchViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+ return ItemTouchHelperActivity.this.onCreateViewHolder(parent);
+ }
+
+ @Override
+ public void onBindViewHolder(ItemTouchViewHolder holder, int position) {
+ holder.textView.setText(mItems.get(position));
+ onBind(holder);
+ }
+
+ public void delete(int position) {
+ mItems.remove(position);
+ notifyItemRemoved(position);
+ }
+
+ public void move(int from, int to) {
+ String prev = mItems.remove(from);
+ mItems.add(to > from ? to - 1 : to, prev);
+ notifyItemMoved(from, to);
+ }
+
+ @Override
+ public int getItemCount() {
+ return mItems.size();
+ }
+ }
+
+
+}
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/SwipeToDismissActivity.java b/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/SwipeToDismissActivity.java
new file mode 100644
index 0000000..bb7e27e
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/widget/touch/SwipeToDismissActivity.java
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2015 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.widget.touch;
+
+import com.example.android.supportv7.R;
+import com.example.android.supportv7.widget.util.ConfigToggle;
+
+import android.annotation.TargetApi;
+import android.graphics.Canvas;
+import android.os.Build;
+import android.support.v4.view.MotionEventCompat;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.helper.ItemTouchHelper;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+
+public class SwipeToDismissActivity extends ItemTouchHelperActivity {
+ boolean mSwipeStartEnabled = true;
+ boolean mSwipeEndEnabled = true;
+ boolean mPointerSwipeEnabled = true;
+ boolean mCustomSwipeEnabled = false;
+
+ @Override
+ ConfigToggle[] createConfigToggles() {
+ ConfigToggle[] configToggles = {
+ new ConfigToggle(this, R.string.swipe_start) {
+ @Override
+ public boolean isChecked() {
+ return mSwipeStartEnabled;
+ }
+
+ @Override
+ public void onChange(boolean newValue) {
+ mSwipeStartEnabled = newValue;
+ }
+ },
+ new ConfigToggle(this, R.string.swipe_end) {
+ @Override
+ public boolean isChecked() {
+ return mSwipeEndEnabled;
+ }
+
+ @Override
+ public void onChange(boolean newValue) {
+ mSwipeEndEnabled = newValue;
+ }
+ },
+ new ConfigToggle(this, R.string.pointer_swipe_enabled) {
+ @Override
+ public boolean isChecked() {
+ return mPointerSwipeEnabled;
+ }
+
+ @Override
+ public void onChange(boolean newValue) {
+ mPointerSwipeEnabled = newValue;
+ mAdapter.notifyDataSetChanged();
+ }
+ }
+ };
+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+ ConfigToggle[] copy = new ConfigToggle[configToggles.length + 1];
+ System.arraycopy(configToggles, 0, copy, 0, configToggles.length);
+ copy[copy.length - 1] = new ConfigToggle(this, R.string.custom_swipe_enabled) {
+ @Override
+ public boolean isChecked() {
+ return mCustomSwipeEnabled;
+ }
+
+ @Override
+ public void onChange(boolean newValue) {
+ mCustomSwipeEnabled = newValue;
+ }
+ };
+ return copy;
+ } else {
+ return configToggles;
+ }
+ }
+
+ @Override
+ public void onBind(ItemTouchViewHolder viewHolder) {
+ super.onBind(viewHolder);
+ viewHolder.actionButton.setVisibility(mPointerSwipeEnabled ? View.GONE : View.VISIBLE);
+ }
+
+ @Override
+ public void clearView(RecyclerView.ViewHolder viewHolder) {
+ super.clearView(viewHolder);
+ ItemTouchViewHolder touchVH = (ItemTouchViewHolder) viewHolder;
+ touchVH.cardView.setCardBackgroundColor(getResources().getColor(android.R.color.white));
+ touchVH.overlay.setVisibility(View.GONE);
+ }
+
+ @Override
+ @TargetApi(Build.VERSION_CODES.HONEYCOMB)
+ public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
+ ItemTouchViewHolder touchVH = (ItemTouchViewHolder) viewHolder;
+ if (actionState != ItemTouchHelper.ACTION_STATE_IDLE) {
+ touchVH.cardView.setCardBackgroundColor(getResources().getColor(R.color.card_aquatic));
+ if (mCustomSwipeEnabled) {
+ // hide it
+ touchVH.overlay.setTranslationX(viewHolder.itemView.getWidth());
+ touchVH.overlay.setVisibility(View.VISIBLE);
+ }
+ }
+ super.onSelectedChanged(viewHolder, actionState);
+ }
+
+ @Override
+ @TargetApi(Build.VERSION_CODES.HONEYCOMB)
+ public boolean onChildDraw(Canvas c, RecyclerView recyclerView,
+ RecyclerView.ViewHolder viewHolder, float dX, float dY, int actionState,
+ boolean isCurrentlyActive) {
+ if (!mCustomSwipeEnabled) {
+ return false;
+ }
+ ItemTouchViewHolder touchVH = (ItemTouchViewHolder) viewHolder;
+ final float dir = Math.signum(dX);
+ if (dir == 0) {
+ touchVH.overlay.setTranslationX(-touchVH.overlay.getWidth());
+ } else {
+ final float overlayOffset = dX - dir * viewHolder.itemView.getWidth();
+ touchVH.overlay.setTranslationX(overlayOffset);
+ }
+ float alpha = (float) (.2 + .8 * Math.abs(dX) / viewHolder.itemView.getWidth());
+ touchVH.overlay.setAlpha(alpha);
+ return true;
+ }
+
+ @Override
+ public ItemTouchViewHolder onCreateViewHolder(ViewGroup parent) {
+ final ItemTouchViewHolder vh = super.onCreateViewHolder(parent);
+ vh.actionButton.setText(R.string.swipe);
+ vh.actionButton.setOnTouchListener(new View.OnTouchListener() {
+ @Override
+ public boolean onTouch(View v, MotionEvent event) {
+ if (MotionEventCompat.getActionMasked(event) == MotionEvent.ACTION_DOWN) {
+ mItemTouchHelper.startSwipe(vh);
+ }
+ return false;
+ }
+ });
+ return vh;
+ }
+
+ @Override
+ public boolean isPointerSwipeEnabled() {
+ return mPointerSwipeEnabled;
+ }
+
+ @Override
+ public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
+ return mCallback.makeMovementFlags(0,
+ (mSwipeStartEnabled ? ItemTouchHelper.START : 0) |
+ (mSwipeEndEnabled ? ItemTouchHelper.END : 0));
+ }
+}
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/widget/util/ConfigToggle.java b/samples/Support7Demos/src/com/example/android/supportv7/widget/util/ConfigToggle.java
new file mode 100644
index 0000000..eae04b0
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/widget/util/ConfigToggle.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2015 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.widget.util;
+
+import android.content.Context;
+
+abstract public class ConfigToggle {
+ private String mLabel;
+
+ protected ConfigToggle(Context context, int labelId) {
+ mLabel = context.getResources().getString(labelId);
+ }
+
+ public String getText() {
+ return mLabel;
+ }
+
+ abstract public boolean isChecked();
+
+ abstract public void onChange(boolean newValue);
+}
diff --git a/samples/Support7Demos/src/com/example/android/supportv7/widget/util/ConfigViewHolder.java b/samples/Support7Demos/src/com/example/android/supportv7/widget/util/ConfigViewHolder.java
new file mode 100644
index 0000000..1bdf155
--- /dev/null
+++ b/samples/Support7Demos/src/com/example/android/supportv7/widget/util/ConfigViewHolder.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2015 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.widget.util;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+
+public class ConfigViewHolder extends RecyclerView.ViewHolder
+ implements CompoundButton.OnCheckedChangeListener {
+
+ private CheckBox mCheckBox;
+
+ private ConfigToggle mConfigToggle;
+
+ public ConfigViewHolder(View itemView) {
+ super(itemView);
+ mCheckBox = (CheckBox) itemView;
+ mCheckBox.setOnCheckedChangeListener(this);
+ }
+
+ public void bind(ConfigToggle toggle) {
+ mConfigToggle = toggle;
+ mCheckBox.setText(toggle.getText());
+ mCheckBox.setChecked(toggle.isChecked());
+ }
+
+ @Override
+ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+ if (mConfigToggle != null) {
+ mConfigToggle.onChange(isChecked);
+ }
+ }
+}
