Develop Reference

getMeasuredHeight not gives exact height that should be when view is expended

I am trying to get the view's height that would be after expending it. I am using below View.MeasureSpec to measure.
public static void expand(View summary) {
//set Visible
summary.setVisibility(View.VISIBLE);
summary.measure(
View.MeasureSpec.makeMeasureSpec(((View)summary.getParent()).getMeasuredWidth(), View.MeasureSpec.EXACTLY),
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
ValueAnimator mAnimator = slideAnimator(0, summary.getMeasuredHeight(), summary);
mAnimator.start();
}
Folling this Android getMeasuredHeight returns wrong values ! and http://developer.android.com/reference/android/view/View.MeasureSpec.html
If I get the correct height the layout will be like below
But right now I am getting like below
Please suggest me some solution.

Try using the ViewTreeObserver to notify you when the View has finished measurments and layouting; it should be able to tell you it's exact size then.
Sample code:
ViewTreeObserver vto = view.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
#Override
public void onGlobalLayout() {
int bodyOffset = 0;
if (textPart != null) {
bodyOffset = textPart.getTop();
}
Log.d(Constants.LOGTAG, "body bottom = " + (body.getBottom() + bodyOffset));
Log.d(Constants.LOGTAG, "ok button top = " + okButton.getTop());
if (body.getBottom() + bodyOffset > okButton.getTop()) {
body.setVisibility(View.GONE);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
view.getViewTreeObserver().removeOnGlobalLayoutListener(this);
} else {
view.getViewTreeObserver().removeGlobalOnLayoutListener(this);
}
}
});

get height of layout that is set to wrap content

I want to get height of linear layout that is set to wrap content. but it is zero.
i try this codes:
final LinearLayout below= (LinearLayout) findViewById(R.id.below);
ViewTreeObserver vto = below.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
#Override
public void onGlobalLayout() {
width = below.getMeasuredWidth();
height = below.getMeasuredHeight();
}
});
and :
LinearLayout below= (LinearLayout) findViewById(R.id.below);
final int belowh=below.getHeight();
using code:
final LinearLayout below= (LinearLayout) findViewById(R.id.below);
ViewTreeObserver vto = below.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
#Override
public void onGlobalLayout() {
if(below.getMeasuredHeight()> 0){
this.below.getViewTreeObserver().removeGlobalOnLayoutListener(this);
int width = below.getMeasuredWidth();
int height = below.getMeasuredHeight();
}
}
})
;
click here to see

Try this code for getting layout width and height after your view is created
final LinearLayout below= (LinearLayout) findViewById(R.id.below);
below.post(new Runnable()
{
#Override
public void run()
{
Log.i("TAG", "Layout width :"+ below.getWidth());
Log.i("TAG", "Layout height :"+ below.getHeight());
}
});
Hope this help

Try this
final LinearLayout below= (LinearLayout) findViewById(R.id.below);
ViewTreeObserver vto = below.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
#Override
public void onGlobalLayout() {
if(below.getMeasuredHeight()> 0){
this.below.getViewTreeObserver().removeGlobalOnLayoutListener(this);
int width = below.getMeasuredWidth();
int height = below.getMeasuredHeight();
}
}
})
;

#coder android
If you still stack on this.... please see this. I think this will work perfectly.
The following code is found How to retrieve the dimensions of a view?
final TextView tv = (TextView)findViewById(R.id.image_test);
ViewTreeObserver vto = tv.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
#Override
public void onGlobalLayout() {
LayerDrawable ld = (LayerDrawable)tv.getBackground();
ld.setLayerInset(1, 0, tv.getHeight() / 2, 0, 0);
ViewTreeObserver obs = tv.getViewTreeObserver();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
obs.removeOnGlobalLayoutListener(this);
} else {
obs.removeGlobalOnLayoutListener(this);
}
}
});

getHeight() of PreferenceFragment

I have multiple FrameLayout inside a ScrollView. In one of the FrameLayout I'm loading a PreferenceFragment. Now I need to set the height of the FrameLayout to the height of the PreferenceFragment to avoid nested scrolling (the PrefrenceFragment is scrollable too).
How can I get the height of the PreferenceFragment?
I tried to override onCreateView() in the PreferenceFragment class, and call View.getHeight(), but its just returning 0.
Setting the FrameLayout to wrap_content, isn't working as well, its just taking the space of a single preference then...
edit:
I tried now to get the height by using addOnGlobalLayoutListener() but the returned value is just the displayed height, not the full height of the PreferenceFragment. So I'm just getting the height of one preference for wrap_content or e.g. 300 if I set the height of the FrameLayout to 300 in the xml. I need the full height of all preferences (visibile and not).
#Override
public View onCreateView(LayoutInflater paramLayoutInflater, ViewGroup paramViewGroup, Bundle paramBundle)
{
final View v = super.onCreateView(paramLayoutInflater, paramViewGroup, paramBundle);
if (v != null) {
ViewTreeObserver vto = v.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
#Override
public void onGlobalLayout() {
Log.d("TEST", "Height = " + v.getHeight() + " Width = " + v.getWidth());
ViewTreeObserver obs = v.getViewTreeObserver();
obs.removeGlobalOnLayoutListener(this);
}
});
}
return v;
}

You should wait for WindowFocusChange in your activity:
#Override
public void onWindowFocusChanged(boolean hasFocus) {
if(hasFocus)
//LAYOUT FRAGMENT NOW
}

try this
new Handler().postDelayed(new Runnable() {
#Override
public void run() {
height = parentLayout.getheight();// the root layout of the fragment
//TODO:
}
}, 200);

ImageView height always returns zero in android

I know this is kind of a duplicate but the answers for other question didn't help me. always my ImageView height returns zero. here is what I tried:
dart.getViewTreeObserver().addOnPreDrawListener(
new ViewTreeObserver.OnPreDrawListener() {
public boolean onPreDraw() {
int finalHeight = dart.getMeasuredHeight();
int finalWidth = dart.getMeasuredWidth();
Toast.makeText(MainActivity.this," "+finalHeight,Toast.LENGTH_SHORT).show();
return true;
}
});
ALSO -
#Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
height = dart.getHeight();
width = dart.getWidth();
Toast.makeText(MainActivity.this," "+height,Toast.LENGTH_SHORT).show();
}
And I also tried dart.getHeight() inside the onCreate but I understood it can't work. What can I do?

Add addonPreDrawListener to ViewTreeObserver and call dart.getViewTreeObserver().removeOnPreDrawListener(this); in your onPreDraw() method
ViewTreeObserver vto = iv.getViewTreeObserver();
vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
public boolean onPreDraw() {
dart.getViewTreeObserver().removeOnPreDrawListener(this);
finalHeight = dart.getMeasuredHeight();
finalWidth = dart.getMeasuredWidth();
Toast.makeText(MainActivity.this," "+finalHeight,Toast.LENGTH_SHORT).show();
return true;
}
});

Measure view in fragment

I need to know ImageView width and height. Is there a way to measure it in fragment ? In standard Activity I use this :
#Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
image.getWidth();
image.getHeight();
}
But where can I use image.getWidth(); and image.getHeight(); in fragment ?

Use the GlobalLayoutListener. You assign the listener to your ImageView in onCreateView() just like you do in that answer in the link. It also is more reliable than onWindowFocusChanged() for the main Activity so I recommend switching strategies.
EDIT
Example:
final View testView = findViewById(R.id.view_id);
ViewTreeObserver vto = testView.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
#Override
public void onGlobalLayout() {
Log.d("TEST", "Height = " + testView.getHeight() + " Width = " + testView.getWidth());
ViewTreeObserver obs = testView.getViewTreeObserver();
obs.removeGlobalOnLayoutListener(this);
}
});