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am 5366c30c: SortedList demo activity

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* commit '5366c30c844a1047de07002ded648a91d8d45ab9':
  SortedList demo activity
This commit is contained in:
Yigit Boyar
2015-01-23 20:57:18 +00:00
committed by Android Git Automerger
parent faadcff27f 5366c30c84
commit a2cc5e6f66
7 changed files with 250 additions and 0 deletions
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10
samples/Support7Demos/AndroidManifest.xml
View File

@@ -284,6 +284,16 @@
</intent-filter>
</activity>
<activity android:name=".util.SortedListActivity"
android:label="@string/sorted_list_activity"
android:windowSoftInputMode="adjustResize"
android:theme="@style/Theme.AppCompat">
<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.GridLayoutManagerActivity"
android:label="@string/grid_layout_manager"
android:theme="@style/Theme.AppCompat">

1
samples/Support7Demos/res/layout/activity_base_layout_manager.xml
View File

@@ -56,4 +56,5 @@
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/recycler_view"/>
</LinearLayout>

33
samples/Support7Demos/res/layout/sorted_list_activity.xml Normal file
View File

@@ -0,0 +1,33 @@
<?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">
<EditText
android:id="@+id/new_item_text_view"
style="@style/SortedListItem"
android:imeOptions="actionDone"
android:singleLine="true"
android:hint="@string/add_new_item"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<android.support.v7.widget.RecyclerView android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/recycler_view"/>
</LinearLayout>

21
samples/Support7Demos/res/layout/sorted_list_item_view.xml Normal file
View File

@@ -0,0 +1,21 @@
<?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.
-->
<CheckBox xmlns:android="http://schemas.android.com/apk/res/android"
style="@style/SortedListItem"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</CheckBox>

2
samples/Support7Demos/res/values/strings.xml
View File

@@ -167,5 +167,7 @@
<string name="palette">Palette</string>
<string name="palette_all_colors">Full color palette</string>
<string name="search_hint">Search...</string>
<string name="sorted_list_activity">Sorted List</string>
<string name="add_new_item">Add New Item</string>
</resources>

4
samples/Support7Demos/res/values/styles.xml
View File

@@ -29,4 +29,8 @@
<item name="colorAccent">#ffff00</item>
</style>
<style name="SortedListItem" parent="@android:style/TextAppearance.Medium">
<item name="android:minHeight">35dp</item>
</style>
</resources>

179
samples/Support7Demos/src/com/example/android/supportv7/util/SortedListActivity.java Normal file
View File

@@ -0,0 +1,179 @@
/*
* 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.util;
import com.example.android.supportv7.R;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.util.SortedList;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.util.SortedListAdapterCallback;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.TextView;
/**
* A sample activity that uses {@link SortedList} in combination with RecyclerView.
*/
public class SortedListActivity extends ActionBarActivity {
private RecyclerView mRecyclerView;
private LinearLayoutManager mLinearLayoutManager;
private SortedListAdapter mAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.sorted_list_activity);
mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
mRecyclerView.setHasFixedSize(true);
mLinearLayoutManager = new LinearLayoutManager(this);
mRecyclerView.setLayoutManager(mLinearLayoutManager);
mAdapter = new SortedListAdapter(getLayoutInflater(),
new Item("buy milk"), new Item("wash the car"),
new Item("wash the dishes"));
mRecyclerView.setAdapter(mAdapter);
mRecyclerView.setHasFixedSize(true);
final EditText newItemTextView = (EditText) findViewById(R.id.new_item_text_view);
newItemTextView.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) {
if (id == EditorInfo.IME_ACTION_DONE &&
(keyEvent == null || keyEvent.getAction() == KeyEvent.ACTION_DOWN)) {
final String text = textView.getText().toString().trim();
if (text.length() > 0) {
mAdapter.addItem(new Item(text));
}
textView.setText("");
return true;
}
return false;
}
});
}
private static class SortedListAdapter extends RecyclerView.Adapter<TodoViewHolder> {
SortedList<Item> mData;
final LayoutInflater mLayoutInflater;
public SortedListAdapter(LayoutInflater layoutInflater, Item... items) {
mLayoutInflater = layoutInflater;
mData = new SortedList<Item>(Item.class, new SortedListAdapterCallback<Item>(this) {
@Override
public int compare(Item t0, Item t1) {
if (t0.mIsDone != t1.mIsDone) {
return t0.mIsDone ? 1 : -1;
}
int txtComp = t0.mText.compareTo(t1.mText);
if (txtComp != 0) {
return txtComp;
}
if (t0.id < t1.id) {
return -1;
} else if (t0.id > t1.id) {
return 1;
}
return 0;
}
@Override
public boolean areContentsTheSame(Item oldItem,
Item newItem) {
return oldItem.mText.equals(newItem.mText);
}
@Override
public boolean areItemsTheSame(Item item1, Item item2) {
return item1.id == item2.id;
}
});
for (Item item : items) {
mData.add(item);
}
}
public void addItem(Item item) {
mData.add(item);
}
@Override
public TodoViewHolder onCreateViewHolder(final ViewGroup parent, int viewType) {
return new TodoViewHolder (
mLayoutInflater.inflate(R.layout.sorted_list_item_view, parent, false)) {
@Override
void onDoneChanged(boolean isDone) {
int adapterPosition = getAdapterPosition();
if (adapterPosition == RecyclerView.NO_POSITION) {
return;
}
mBoundItem.mIsDone = isDone;
mData.recalculatePositionOfItemAt(adapterPosition);
}
};
}
@Override
public void onBindViewHolder(TodoViewHolder holder, int position) {
holder.bindTo(mData.get(position));
}
@Override
public int getItemCount() {
return mData.size();
}
}
abstract private static class TodoViewHolder extends RecyclerView.ViewHolder {
final CheckBox mCheckBox;
Item mBoundItem;
public TodoViewHolder(View itemView) {
super(itemView);
mCheckBox = (CheckBox) itemView;
mCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (mBoundItem != null && isChecked != mBoundItem.mIsDone) {
onDoneChanged(isChecked);
}
}
});
}
public void bindTo(Item item) {
mBoundItem = item;
mCheckBox.setText(item.mText);
mCheckBox.setChecked(item.mIsDone);
}
abstract void onDoneChanged(boolean isChecked);
}
private static class Item {
String mText;
boolean mIsDone = false;
final public int id;
private static int idCounter = 0;
public Item(String text) {
id = idCounter ++;
this.mText = text;
}
}
}