MaterialSheetFab
Library that implements the floating action button to sheet transition from Google's Material Design documentation. It can be used with any FAB library on Android 4.0+ (API levels >= 14).
Installation
Gradle
Add the dependency (available from mavenCentral and jcenter) to your build.gradle:
implementation 'com.gordonwong:material-sheet-fab:1.2.1'
Proguard
Modify your proguard configuration (if your app is using Proguard).
-keep class io.codetail.animation.arcanimator.** { *; }
Usage
Implement the FAB:
You can use any FAB library as long as it implements the AnimatedFab interface.
import android.support.design.widget.FloatingActionButton;
public class Fab extends FloatingActionButton implements AnimatedFab {
/**
* Shows the FAB.
*/
@Override
public void show() {
show(0, 0);
}
/**
* Shows the FAB and sets the FAB's translation.
*
* @param translationX translation X value
* @param translationY translation Y value
*/
@Override
public void show(float translationX, float translationY) {
// NOTE: Using the parameters is only needed if you want
// to support moving the FAB around the screen.
// NOTE: This immediately hides the FAB. An animation can
// be used instead - see the sample app.
setVisibility(View.VISIBLE);
}
/**
* Hides the FAB.
*/
@Override
public void hide() {
// NOTE: This immediately hides the FAB. An animation can
// be used instead - see the sample app.
setVisibility(View.INVISIBLE);
}
}
Modify the layouts:
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- Your FAB implementation -->
<path.to.your.fab
android:id="@+id/fab"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true" />
<!-- Overlay that dims the screen -->
<com.gordonwong.materialsheetfab.DimOverlayFrameLayout
android:id="@+id/overlay"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<!-- Circular reveal container for the sheet -->
<io.codetail.widget.RevealLinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="end|bottom"
android:orientation="vertical">
<!-- Sheet that contains your items -->
<android.support.v7.widget.CardView
android:id="@+id/fab_sheet"
android:layout_width="250dp"
android:layout_height="300dp">
<!-- TODO: Put your sheet items here -->
</android.support.v7.widget.CardView>
</io.codetail.widget.RevealLinearLayout>
</RelativeLayout>
Initialize the MaterialSheetFab:
This can be in your Activity or Fragment.
public class MaterialSheetFabActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Fab fab = (Fab) findViewById(R.id.fab);
View sheetView = findViewById(R.id.fab_sheet);
View overlay = findViewById(R.id.dim_overlay);
int sheetColor = getResources().getColor(R.color.fab_sheet_color);
int fabColor = getResources().getColor(R.color.fab_color);
// Initialize material sheet FAB
materialSheetFab = new MaterialSheetFab<>(fab, sheetView, overlay,
sheetColor, fabColor);
}
}
Optional:
Close sheet on back button:
@Override
public void onBackPressed() {
if (materialSheetFab.isSheetVisible()) {
materialSheetFab.hideSheet();
} else {
super.onBackPressed();
}
}
Listen to events:
materialSheetFab.setEventListener(new MaterialSheetFabEventListener() {
@Override
public void onShowSheet() {
// Called when the material sheet's "show" animation starts.
}
@Override
public void onSheetShown() {
// Called when the material sheet's "show" animation ends.
}
@Override
public void onHideSheet() {
// Called when the material sheet's "hide" animation starts.
}
public void onSheetHidden() {
// Called when the material sheet's "hide" animation ends.
}
});
Move the FAB around the screen (this is useful for coordinating with snackbars):
materialSheetFab.showFab(translationX, translationY);
Sample app
Take a look at the sample code and try the app.
Apps using MaterialSheetFab
Feel free to open a pull request to include your app here.
| Icon | App |
|---|---|
 |
BG Monitor - Diabetes Management |
Changelog
See changelog here.
Credits
The following libraries are used:
CircularReveal - Adds circular reveal animation on Android versions < 5.0
ArcAnimator - Used to animate FAB in an arc
License
The MIT License (MIT)
Copyright (c) 2015 Gordon Wong
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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