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CliffusCliffus
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add recyclerview example
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7 files changed

+242
-1
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7 files changed

+242
-1
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‎app/build.gradle‎

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@@ -19,9 +19,14 @@ android {
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}
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}
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ext {
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supportLibraryVersion = '26.1.0'
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}
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dependencies {
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compile fileTree(dir: 'libs', include: ['*.jar'])
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compile 'com.android.support:appcompat-v7:26.0.0-alpha1'
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compile "com.android.support:appcompat-v7:$supportLibraryVersion"
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compile "com.android.support:recyclerview-v7:$supportLibraryVersion"
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compile 'com.android.support:support-annotations:25.3.1'
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compile project(':expandabletextview')
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‎app/src/main/java/at/blogc/android/activities/RecyclerViewActivity.java‎

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package at.blogc.android.activities;
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import android.os.Bundle;
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import android.support.annotation.Nullable;
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import android.support.v7.app.AppCompatActivity;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import at.blogc.android.adapters.RecyclerViewAdapter;
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import at.blogc.android.views.R;
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/**
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* Copyright (C) 2017 Cliff Ophalvens (Blogc.at)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public class RecyclerViewActivity extends AppCompatActivity
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{
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private RecyclerView recyclerView;
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@Override
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protected void onCreate(@Nullable final Bundle savedInstanceState)
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{
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super.onCreate(savedInstanceState);
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this.setContentView(R.layout.activity_recyclerview);
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// find views
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this.recyclerView = this.findViewById(R.id.recyclerview);
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// create layout manager
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final LinearLayoutManager layoutManager = new LinearLayoutManager(this);
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this.recyclerView.setLayoutManager(layoutManager);
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// bind adapter to recyclerview
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final RecyclerViewAdapter adapter = new RecyclerViewAdapter();
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this.recyclerView.setAdapter(adapter);
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}
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}

‎app/src/main/java/at/blogc/android/adapters/RecyclerViewAdapter.java‎

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package at.blogc.android.adapters;
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import android.content.Context;
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import android.support.annotation.NonNull;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import at.blogc.android.adapters.viewholders.ExpandableTextViewHolder;
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import at.blogc.android.views.R;
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/**
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* Copyright (C) 2017 Cliff Ophalvens (Blogc.at)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public class RecyclerViewAdapter extends RecyclerView.Adapter<ExpandableTextViewHolder>
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{
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private LayoutInflater layoutInflater;
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private LayoutInflater getLayoutInflater(@NonNull final Context context)
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{
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if (this.layoutInflater == null)
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{
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this.layoutInflater = LayoutInflater.from(context);
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}
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return this.layoutInflater;
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}
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@Override
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public ExpandableTextViewHolder onCreateViewHolder(final ViewGroup parent, final int viewType)
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{
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final View itemView = this.getLayoutInflater(parent.getContext()).inflate(R.layout.listitem_recyclerview, parent, false);
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return new ExpandableTextViewHolder(itemView);
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}
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@Override
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public void onBindViewHolder(final ExpandableTextViewHolder holder, final int position)
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{
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holder.bindPosition(position);
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}
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@Override
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public int getItemCount()
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{
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return 100;
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}
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}

‎app/src/main/java/at/blogc/android/adapters/viewholders/ExpandableTextViewHolder.java‎

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package at.blogc.android.adapters.viewholders;
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import android.support.v7.widget.RecyclerView;
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import android.view.View;
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import android.view.animation.OvershootInterpolator;
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import android.widget.Button;
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import at.blogc.android.views.ExpandableTextView;
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import at.blogc.android.views.R;
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/**
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* Copyright (C) 2017 Cliff Ophalvens (Blogc.at)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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public class ExpandableTextViewHolder extends RecyclerView.ViewHolder
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implements View.OnClickListener
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{
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private final ExpandableTextView expandableTextView;
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private final Button buttonToggle;
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public ExpandableTextViewHolder(final View itemView)
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{
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super(itemView);
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// find views
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this.expandableTextView = itemView.findViewById(R.id.expandableTextView);
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this.buttonToggle = itemView.findViewById(R.id.button_toggle);
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// set interpolators for both expanding and collapsing animations
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this.expandableTextView.setInterpolator(new OvershootInterpolator());
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// toggle the ExpandableTextView
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this.buttonToggle.setOnClickListener(this);
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}
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public void bindPosition(final int position)
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{
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final String loremIpsum = position + ": " + this.itemView.getContext().getString(R.string.lorem_ipsum);
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this.expandableTextView.setText(loremIpsum);
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}
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//region View.OnClickListener interface
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@Override
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public void onClick(final View v)
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{
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this.buttonToggle.setText(this.expandableTextView.isExpanded() ? R.string.expand : R.string.collapse);
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this.expandableTextView.toggle();
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}
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//endregion
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}

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

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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (C) 2017 Cliff Ophalvens (Blogc.at)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<android.support.v7.widget.RecyclerView
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:id="@+id/recyclerview"
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android:layout_width="match_parent"
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android:layout_height="match_parent"/>

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

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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (C) 2017 Cliff Ophalvens (Blogc.at)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<RelativeLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:paddingBottom="@dimen/activity_vertical_margin"
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android:paddingLeft="@dimen/activity_horizontal_margin"
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android:paddingRight="@dimen/activity_horizontal_margin"
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android:paddingTop="@dimen/activity_vertical_margin">
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<at.blogc.android.views.ExpandableTextView
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android:id="@+id/expandableTextView"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/lorem_ipsum"
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android:maxLines="5"
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android:ellipsize="end"
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app:animation_duration="750"/>
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<Button
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android:id="@+id/button_toggle"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_below="@+id/expandableTextView"
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android:layout_marginTop="@dimen/activity_vertical_margin"
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android:text="@string/expand"/>
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</RelativeLayout>

‎build.gradle‎

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@@ -14,6 +14,7 @@ buildscript {
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allprojects {
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repositories {
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jcenter()
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google()
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}
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}
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