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October 16, 2015 22:01
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Rotating FAB without rotating shadow
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package com.github.pengrad.podcasts.ui; | |
import android.content.Context; | |
import android.os.Build; | |
import android.util.AttributeSet; | |
import android.view.View; | |
import android.view.animation.Animation; | |
import android.widget.FrameLayout; | |
import com.github.pengrad.podcasts.R; | |
import butterknife.Bind; | |
import butterknife.ButterKnife; | |
/** | |
* Stas Parshin | |
* 15 October 2015 | |
*/ | |
public class RotatingFab extends FrameLayout { | |
@Bind(R.id.fab) View mFab; | |
@Bind(R.id.fabImage) View mFabImage; | |
public RotatingFab(Context context, AttributeSet attrs) { | |
super(context, attrs); | |
} | |
@Override | |
protected void onFinishInflate() { | |
super.onFinishInflate(); | |
ButterKnife.bind(this); | |
mFabImage.setVisibility(GONE); | |
} | |
@Override | |
public void startAnimation(Animation animation) { | |
mFab.setEnabled(false); | |
if (Build.VERSION.SDK_INT >= 21) { | |
mFab.startAnimation(animation); | |
} else { | |
mFabImage.setVisibility(VISIBLE); | |
// need post() to image could measure its size | |
mFabImage.post(() -> mFabImage.startAnimation(animation)); | |
} | |
} | |
@Override | |
public void clearAnimation() { | |
if (Build.VERSION.SDK_INT >= 21) { | |
mFab.clearAnimation(); | |
} else { | |
mFabImage.clearAnimation(); | |
mFabImage.setVisibility(GONE); | |
} | |
mFab.setEnabled(true); | |
} | |
} |
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<com.github.pengrad.podcasts.ui.RotatingFab | |
android:id="@+id/rotatingFab" | |
xmlns:android="http://schemas.android.com/apk/res/android" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:layout_gravity="bottom|end"> | |
<android.support.design.widget.FloatingActionButton | |
android:id="@+id/fab" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:layout_margin="16dp" | |
android:src="@drawable/ic_autorenew_white_24dp"/> | |
<ImageView | |
android:id="@+id/fabImage" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:layout_gravity="center" | |
android:background="@color/accent" | |
android:src="@drawable/ic_autorenew_white_24dp" | |
android:visibility="visible"/> | |
</com.github.pengrad.podcasts.ui.RotatingFab> |
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