How to create semi-transparent circular toolbar / actionbar items?
How would you make the items in the toolbar / actionbar with a semi-transparent circular background as seen in the latest Google Maps app (Screenshot)
would you add it to the item-icon itself (XML-Drawable preferred)? would you use the normal menu-xml to create it? I want to use it with a CollapsingToolbarLayout and hide the circular background when the toolbar is collapsed.
Thankful for any thoughts and tips on how to make this :)

add a comment |
How would you make the items in the toolbar / actionbar with a semi-transparent circular background as seen in the latest Google Maps app (Screenshot)
would you add it to the item-icon itself (XML-Drawable preferred)? would you use the normal menu-xml to create it? I want to use it with a CollapsingToolbarLayout and hide the circular background when the toolbar is collapsed.
Thankful for any thoughts and tips on how to make this :)

add a comment |
How would you make the items in the toolbar / actionbar with a semi-transparent circular background as seen in the latest Google Maps app (Screenshot)
would you add it to the item-icon itself (XML-Drawable preferred)? would you use the normal menu-xml to create it? I want to use it with a CollapsingToolbarLayout and hide the circular background when the toolbar is collapsed.
Thankful for any thoughts and tips on how to make this :)

How would you make the items in the toolbar / actionbar with a semi-transparent circular background as seen in the latest Google Maps app (Screenshot)
would you add it to the item-icon itself (XML-Drawable preferred)? would you use the normal menu-xml to create it? I want to use it with a CollapsingToolbarLayout and hide the circular background when the toolbar is collapsed.
Thankful for any thoughts and tips on how to make this :)


asked Jan 2 at 15:08
f4bf4b
303148
303148
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1 Answer
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add imageView to CollapsingToolbarLayout and use app:layout_collapseMode="parallax"
example:
<android.support.design.widget.AppBarLayout
android:layout_height="200dp"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="scroll|enterAlways" />
<ImageView
android:src="@drawable/cheese_1"
app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax"
android:minHeight="100dp" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
in code use OnOffsetChangedListener
to listen to the state of appbar expand/collapse and you can change toolbar icon items
final AppBarLayout mAppBarLayout = findViewById(R.id.appbar);
mAppBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
private State state;
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (verticalOffset == 0) {
if (state != State.EXPANDED) {
//change item rounded icon
}
state = State.EXPANDED;
} else if (Math.abs(verticalOffset) >= appBarLayout.getTotalScrollRange()) {
if (state != State.COLLAPSED) {
//change item default icon
}
state = State.COLLAPSED;
} else {
if (state != State.IDLE) {
Log.d(TAG,"Idle");
}
state = State.IDLE;
}
}
});
but what about the default backbutton and overflow menu?
– f4b
Jan 3 at 10:09
i updated my answer
– Amrdroid
Jan 3 at 11:07
well, i know how to use onOffsetChanged. Does that mean you would implement a custom overflow menu and backbutton?
– f4b
Jan 3 at 14:44
you not need to create a custom, you can change the default icon of this items
– Amrdroid
Jan 3 at 14:57
how would i change the default overflow menu and backbutton? is there a way that's not too hacky?
– f4b
Jan 7 at 7:54
add a comment |
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1 Answer
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1 Answer
1
active
oldest
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active
oldest
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add imageView to CollapsingToolbarLayout and use app:layout_collapseMode="parallax"
example:
<android.support.design.widget.AppBarLayout
android:layout_height="200dp"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="scroll|enterAlways" />
<ImageView
android:src="@drawable/cheese_1"
app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax"
android:minHeight="100dp" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
in code use OnOffsetChangedListener
to listen to the state of appbar expand/collapse and you can change toolbar icon items
final AppBarLayout mAppBarLayout = findViewById(R.id.appbar);
mAppBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
private State state;
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (verticalOffset == 0) {
if (state != State.EXPANDED) {
//change item rounded icon
}
state = State.EXPANDED;
} else if (Math.abs(verticalOffset) >= appBarLayout.getTotalScrollRange()) {
if (state != State.COLLAPSED) {
//change item default icon
}
state = State.COLLAPSED;
} else {
if (state != State.IDLE) {
Log.d(TAG,"Idle");
}
state = State.IDLE;
}
}
});
but what about the default backbutton and overflow menu?
– f4b
Jan 3 at 10:09
i updated my answer
– Amrdroid
Jan 3 at 11:07
well, i know how to use onOffsetChanged. Does that mean you would implement a custom overflow menu and backbutton?
– f4b
Jan 3 at 14:44
you not need to create a custom, you can change the default icon of this items
– Amrdroid
Jan 3 at 14:57
how would i change the default overflow menu and backbutton? is there a way that's not too hacky?
– f4b
Jan 7 at 7:54
add a comment |
add imageView to CollapsingToolbarLayout and use app:layout_collapseMode="parallax"
example:
<android.support.design.widget.AppBarLayout
android:layout_height="200dp"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="scroll|enterAlways" />
<ImageView
android:src="@drawable/cheese_1"
app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax"
android:minHeight="100dp" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
in code use OnOffsetChangedListener
to listen to the state of appbar expand/collapse and you can change toolbar icon items
final AppBarLayout mAppBarLayout = findViewById(R.id.appbar);
mAppBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
private State state;
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (verticalOffset == 0) {
if (state != State.EXPANDED) {
//change item rounded icon
}
state = State.EXPANDED;
} else if (Math.abs(verticalOffset) >= appBarLayout.getTotalScrollRange()) {
if (state != State.COLLAPSED) {
//change item default icon
}
state = State.COLLAPSED;
} else {
if (state != State.IDLE) {
Log.d(TAG,"Idle");
}
state = State.IDLE;
}
}
});
but what about the default backbutton and overflow menu?
– f4b
Jan 3 at 10:09
i updated my answer
– Amrdroid
Jan 3 at 11:07
well, i know how to use onOffsetChanged. Does that mean you would implement a custom overflow menu and backbutton?
– f4b
Jan 3 at 14:44
you not need to create a custom, you can change the default icon of this items
– Amrdroid
Jan 3 at 14:57
how would i change the default overflow menu and backbutton? is there a way that's not too hacky?
– f4b
Jan 7 at 7:54
add a comment |
add imageView to CollapsingToolbarLayout and use app:layout_collapseMode="parallax"
example:
<android.support.design.widget.AppBarLayout
android:layout_height="200dp"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="scroll|enterAlways" />
<ImageView
android:src="@drawable/cheese_1"
app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax"
android:minHeight="100dp" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
in code use OnOffsetChangedListener
to listen to the state of appbar expand/collapse and you can change toolbar icon items
final AppBarLayout mAppBarLayout = findViewById(R.id.appbar);
mAppBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
private State state;
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (verticalOffset == 0) {
if (state != State.EXPANDED) {
//change item rounded icon
}
state = State.EXPANDED;
} else if (Math.abs(verticalOffset) >= appBarLayout.getTotalScrollRange()) {
if (state != State.COLLAPSED) {
//change item default icon
}
state = State.COLLAPSED;
} else {
if (state != State.IDLE) {
Log.d(TAG,"Idle");
}
state = State.IDLE;
}
}
});
add imageView to CollapsingToolbarLayout and use app:layout_collapseMode="parallax"
example:
<android.support.design.widget.AppBarLayout
android:layout_height="200dp"
android:layout_width="match_parent"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.design.widget.CollapsingToolbarLayout
android:id="@+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
app:contentScrim="?attr/colorPrimary"
app:expandedTitleMarginEnd="64dp"
app:expandedTitleMarginStart="48dp"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_scrollFlags="scroll|enterAlways" />
<ImageView
android:src="@drawable/cheese_1"
app:layout_scrollFlags="scroll|enterAlways|enterAlwaysCollapsed"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="centerCrop"
app:layout_collapseMode="parallax"
android:minHeight="100dp" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
in code use OnOffsetChangedListener
to listen to the state of appbar expand/collapse and you can change toolbar icon items
final AppBarLayout mAppBarLayout = findViewById(R.id.appbar);
mAppBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
private State state;
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (verticalOffset == 0) {
if (state != State.EXPANDED) {
//change item rounded icon
}
state = State.EXPANDED;
} else if (Math.abs(verticalOffset) >= appBarLayout.getTotalScrollRange()) {
if (state != State.COLLAPSED) {
//change item default icon
}
state = State.COLLAPSED;
} else {
if (state != State.IDLE) {
Log.d(TAG,"Idle");
}
state = State.IDLE;
}
}
});
edited Jan 3 at 11:06
answered Jan 2 at 15:35


AmrdroidAmrdroid
318110
318110
but what about the default backbutton and overflow menu?
– f4b
Jan 3 at 10:09
i updated my answer
– Amrdroid
Jan 3 at 11:07
well, i know how to use onOffsetChanged. Does that mean you would implement a custom overflow menu and backbutton?
– f4b
Jan 3 at 14:44
you not need to create a custom, you can change the default icon of this items
– Amrdroid
Jan 3 at 14:57
how would i change the default overflow menu and backbutton? is there a way that's not too hacky?
– f4b
Jan 7 at 7:54
add a comment |
but what about the default backbutton and overflow menu?
– f4b
Jan 3 at 10:09
i updated my answer
– Amrdroid
Jan 3 at 11:07
well, i know how to use onOffsetChanged. Does that mean you would implement a custom overflow menu and backbutton?
– f4b
Jan 3 at 14:44
you not need to create a custom, you can change the default icon of this items
– Amrdroid
Jan 3 at 14:57
how would i change the default overflow menu and backbutton? is there a way that's not too hacky?
– f4b
Jan 7 at 7:54
but what about the default backbutton and overflow menu?
– f4b
Jan 3 at 10:09
but what about the default backbutton and overflow menu?
– f4b
Jan 3 at 10:09
i updated my answer
– Amrdroid
Jan 3 at 11:07
i updated my answer
– Amrdroid
Jan 3 at 11:07
well, i know how to use onOffsetChanged. Does that mean you would implement a custom overflow menu and backbutton?
– f4b
Jan 3 at 14:44
well, i know how to use onOffsetChanged. Does that mean you would implement a custom overflow menu and backbutton?
– f4b
Jan 3 at 14:44
you not need to create a custom, you can change the default icon of this items
– Amrdroid
Jan 3 at 14:57
you not need to create a custom, you can change the default icon of this items
– Amrdroid
Jan 3 at 14:57
how would i change the default overflow menu and backbutton? is there a way that's not too hacky?
– f4b
Jan 7 at 7:54
how would i change the default overflow menu and backbutton? is there a way that's not too hacky?
– f4b
Jan 7 at 7:54
add a comment |
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