我还没有测试过这个,但它应该可以工作。
将此依赖项添加到您的应用程序 gradle 文件中:
compile 'com.github.ozodrukh:CircularReveal:1.1.1'
在活动开始时声明这些变量:
LinearLayout mRevealView;
boolean hidden = true;
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将其添加到您的 onCreate 方法中:
mRevealView = (LinearLayout) findViewById(R.id.reveal_items);
mRevealView.setVisibility(View.INVISIBLE);
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在 FAB 的 onClick 方法中,添加以下内容:
int cx = (mRevealView.getLeft() + mRevealView.getRight());
int cy = mRevealView.getTop();
int radius = Math.max(mRevealView.getWidth(), mRevealView.getHeight());
//Below Android LOLIPOP Version
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
SupportAnimator animator =
ViewAnimationUtils.createCircularReveal(mRevealView, cx, cy, 0, radius);
animator.setInterpolator(new AccelerateDecelerateInterpolator());
animator.setDuration(700);
SupportAnimator animator_reverse = animator.reverse();
if (hidden) {
mRevealView.setVisibility(View.VISIBLE);
animator.start();
hidden = false;
} else {
animator_reverse.addListener(new SupportAnimator.AnimatorListener() {
@Override
public void onAnimationStart() {
}
@Override
public void onAnimationEnd() {
mRevealView.setVisibility(View.INVISIBLE);
hidden = true;
}
@Override
public void onAnimationCancel() {
}
@Override
public void onAnimationRepeat() {
}
});
animator_reverse.start();
}
}
// Android LOLIPOP And ABOVE Version
else {
if (hidden) {
Animator anim = android.view.ViewAnimationUtils.
createCircularReveal(mRevealView, cx, cy, 0, radius);
mRevealView.setVisibility(View.VISIBLE);
anim.start();
hidden = false;
} else {
Animator anim = android.view.ViewAnimationUtils.
createCircularReveal(mRevealView, cx, cy, radius, 0);
anim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
mRevealView.setVisibility(View.INVISIBLE);
hidden = true;
}
});
anim.start();
}
}
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将此方法添加到您的活动中:
private void hideRevealView() {
if (mRevealView.getVisibility() == View.VISIBLE) {
mRevealView.setVisibility(View.INVISIBLE);
hidden = true;
}
}
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为 Reveal 创建一个新的 xml 布局,将其命名为 Reveal_layout.xml 并添加以下内容:
<io.codetail.widget.RevealFrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="?attr/actionBarSize">
//You can include whatever layout you want here
<include layout="@layout/layout_you_want_to_show" />
</io.codetail.widget.RevealFrameLayout>
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为此,您必须将其添加到活动布局的末尾:
<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<include layout="@layout/reveal_layout" />
</FrameLayout>
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希望这可以帮助。
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