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Android TextView that can expand and collapse.
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README.md

ExpandableTextView

The project is no longer maintained!

ExpandableTextView library is a similar copy of ExpandableTextView by Manabu Shimobe , but change a little UI structure and improve the code to make it easier to use.

sample

Setup

Download the library module and add it to your project.

Usage

Using the library is very simple, look at the source code of the provided sample

Step 1. In your layout xml:

<me.chensir.expandabletextview.ExpandableTextView
    android:id="@+id/tv"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:contentTextColor="@color/colorPrimary"
    app:maxCollapsedLines="4">

</me.chensir.expandabletextview.ExpandableTextView>

Step 2. In your activity:

((ExpandableTextView) findViewById(R.id.tv)).setText(getString(R.string.dummy_text));

Just so !

Also ,  you can optionally set the following attributes in your layout xml file to customize the behavior of the ExpandableTextView.

  • maxCollapsedLines (defaults to 8) The maximum number of text lines allowed to be shown when the TextView gets collapsed
  • animDuration (defaults to 300ms) Duration of the Animation for the expansion/collapse
  • expandDrawable Customize a drawable set to ImageButton to expand the TextView
  • collapseDrawable Customize a drawable set to ImageButton to collapse the TextView
  • contentTextSize Customize the text size of content
  • contentTextColor Customize the text color of content
  • expandText Customize the text for expandDrawable
  • collapseText Customize the text for collapseDrawable
  • expandCollapseTextColor Customize the text color for expandText and collapseText
  • DrawableAndTextGravity Customize the gravity of expandDrawable and collapseDrawable below the content
  • contentLineSpacingMultiplier Sets line spacing multiplier for the content text

Thanks

Manabu Shimobe / ExpandableTextView

License

Copyright 2016 Chen Sir.

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.
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