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Fix setting max lines via code #15

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Fix setting max lines via code #15

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3 changes: 3 additions & 0 deletions app/src/main/java/at/blogc/android/activities/MainActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,9 @@ protected void onCreate(final Bundle savedInstanceState)
final ExpandableTextView expandableTextView = (ExpandableTextView) this.findViewById(R.id.expandableTextView);
final Button buttonToggle = (Button) this.findViewById(R.id.button_toggle);

// set max lines via code
expandableTextView.setMaxLines(3);

// set animation duration via code, but preferable in your layout files by using the animation_duration attribute
expandableTextView.setAnimationDuration(750L);

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15 changes: 11 additions & 4 deletions expandabletextview/src/main/java/at/blogc/android/views/ExpandableTextView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ public class ExpandableTextView extends TextView
private TimeInterpolator expandInterpolator;
private TimeInterpolator collapseInterpolator;

private final int maxLines;
private int maxLines;
private long animationDuration;
private boolean animating;
private boolean expanded;
Expand Down Expand Up @@ -101,7 +101,14 @@ public int getMaxLines()
return -1;
}
}


@Override
public void setMaxLines(int maxLines)
{
super.setMaxLines(maxLines);
this.maxLines = maxLines;
}

/**
* Toggle the expanded state of this {@link ExpandableTextView}.
* @return true if toggled, false otherwise.
Expand Down Expand Up @@ -139,7 +146,7 @@ public boolean expand()
this.collapsedHeight = this.getMeasuredHeight();

// set maxLines to MAX Integer, so we can calculate the expanded height
this.setMaxLines(Integer.MAX_VALUE);
super.setMaxLines(Integer.MAX_VALUE);

// get expanded height
this.measure
Expand Down Expand Up @@ -232,7 +239,7 @@ public void onAnimationUpdate(final ValueAnimator animation)
public void onAnimationEnd(final Animator animation)
{
// set maxLines to original value
ExpandableTextView.this.setMaxLines(ExpandableTextView.this.maxLines);
ExpandableTextView.super.setMaxLines(ExpandableTextView.this.maxLines);

// if fully collapsed, set height to WRAP_CONTENT, because when rotating the device
// the height calculated with this ValueAnimator isn't correct anymore
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