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48 changes: 48 additions & 0 deletions
48
app/src/main/java/at/blogc/android/activities/RecyclerViewActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| package at.blogc.android.activities; | ||
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| import android.os.Bundle; | ||
| import android.support.annotation.Nullable; | ||
| import android.support.v7.app.AppCompatActivity; | ||
| import android.support.v7.widget.LinearLayoutManager; | ||
| import android.support.v7.widget.RecyclerView; | ||
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| import at.blogc.android.adapters.RecyclerViewAdapter; | ||
| import at.blogc.android.views.R; | ||
|
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| /** | ||
| * Copyright (C) 2017 Cliff Ophalvens (Blogc.at) | ||
| * | ||
| * 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. | ||
| */ | ||
| public class RecyclerViewActivity extends AppCompatActivity | ||
| { | ||
| private RecyclerView recyclerView; | ||
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| @Override | ||
| protected void onCreate(@Nullable final Bundle savedInstanceState) | ||
| { | ||
| super.onCreate(savedInstanceState); | ||
| this.setContentView(R.layout.activity_recyclerview); | ||
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| // find views | ||
| this.recyclerView = this.findViewById(R.id.recyclerview); | ||
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| // create layout manager | ||
| final LinearLayoutManager layoutManager = new LinearLayoutManager(this); | ||
| this.recyclerView.setLayoutManager(layoutManager); | ||
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| // bind adapter to recyclerview | ||
| final RecyclerViewAdapter adapter = new RecyclerViewAdapter(); | ||
| this.recyclerView.setAdapter(adapter); | ||
| } | ||
| } |
61 changes: 61 additions & 0 deletions
61
app/src/main/java/at/blogc/android/adapters/RecyclerViewAdapter.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,61 @@ | ||
| package at.blogc.android.adapters; | ||
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| import android.content.Context; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.v7.widget.RecyclerView; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
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| import at.blogc.android.adapters.viewholders.ExpandableTextViewHolder; | ||
| import at.blogc.android.views.R; | ||
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| /** | ||
| * Copyright (C) 2017 Cliff Ophalvens (Blogc.at) | ||
| * | ||
| * 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. | ||
| */ | ||
| public class RecyclerViewAdapter extends RecyclerView.Adapter<ExpandableTextViewHolder> | ||
| { | ||
| private LayoutInflater layoutInflater; | ||
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| private LayoutInflater getLayoutInflater(@NonNull final Context context) | ||
| { | ||
| if (this.layoutInflater == null) | ||
| { | ||
| this.layoutInflater = LayoutInflater.from(context); | ||
| } | ||
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| return this.layoutInflater; | ||
| } | ||
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| @Override | ||
| public ExpandableTextViewHolder onCreateViewHolder(final ViewGroup parent, final int viewType) | ||
| { | ||
| 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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| @Override | ||
| public void onBindViewHolder(final ExpandableTextViewHolder holder, final int position) | ||
| { | ||
| holder.bindPosition(position); | ||
| } | ||
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| @Override | ||
| public int getItemCount() | ||
| { | ||
| return 100; | ||
| } | ||
| } |
63 changes: 63 additions & 0 deletions
63
app/src/main/java/at/blogc/android/adapters/viewholders/ExpandableTextViewHolder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| package at.blogc.android.adapters.viewholders; | ||
|
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| import android.support.v7.widget.RecyclerView; | ||
| import android.view.View; | ||
| import android.view.animation.OvershootInterpolator; | ||
| import android.widget.Button; | ||
|
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| import at.blogc.android.views.ExpandableTextView; | ||
| import at.blogc.android.views.R; | ||
|
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| /** | ||
| * Copyright (C) 2017 Cliff Ophalvens (Blogc.at) | ||
| * | ||
| * 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. | ||
| */ | ||
| public class ExpandableTextViewHolder extends RecyclerView.ViewHolder | ||
| implements View.OnClickListener | ||
| { | ||
| private final ExpandableTextView expandableTextView; | ||
| private final Button buttonToggle; | ||
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| public ExpandableTextViewHolder(final View itemView) | ||
| { | ||
| super(itemView); | ||
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| // find views | ||
| this.expandableTextView = itemView.findViewById(R.id.expandableTextView); | ||
| this.buttonToggle = itemView.findViewById(R.id.button_toggle); | ||
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| // set interpolators for both expanding and collapsing animations | ||
| this.expandableTextView.setInterpolator(new OvershootInterpolator()); | ||
|
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| // toggle the ExpandableTextView | ||
| this.buttonToggle.setOnClickListener(this); | ||
| } | ||
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| public void bindPosition(final int position) | ||
| { | ||
| final String loremIpsum = position + ": " + this.itemView.getContext().getString(R.string.lorem_ipsum); | ||
| this.expandableTextView.setText(loremIpsum); | ||
| } | ||
|
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| //region View.OnClickListener interface | ||
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| @Override | ||
| public void onClick(final View v) | ||
| { | ||
| this.buttonToggle.setText(this.expandableTextView.isExpanded() ? R.string.expand : R.string.collapse); | ||
| this.expandableTextView.toggle(); | ||
| } | ||
|
|
||
| //endregion | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <!-- Copyright (C) 2017 Cliff Ophalvens (Blogc.at) | ||
| 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.RecyclerView | ||
| xmlns:android="http://schemas.android.com/apk/res/android" | ||
| android:id="@+id/recyclerview" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent"/> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <!-- Copyright (C) 2017 Cliff Ophalvens (Blogc.at) | ||
| 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. | ||
| --> | ||
| <RelativeLayout | ||
| 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:paddingBottom="@dimen/activity_vertical_margin" | ||
| android:paddingLeft="@dimen/activity_horizontal_margin" | ||
| android:paddingRight="@dimen/activity_horizontal_margin" | ||
| android:paddingTop="@dimen/activity_vertical_margin"> | ||
|
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| <at.blogc.android.views.ExpandableTextView | ||
| android:id="@+id/expandableTextView" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:text="@string/lorem_ipsum" | ||
| android:maxLines="5" | ||
| android:ellipsize="end" | ||
| app:animation_duration="750"/> | ||
|
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| <Button | ||
| android:id="@+id/button_toggle" | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:layout_below="@+id/expandableTextView" | ||
| android:layout_marginTop="@dimen/activity_vertical_margin" | ||
| android:text="@string/expand"/> | ||
|
|
||
| </RelativeLayout> |
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