Flipboard 内部控件 BottomSheet 今天开源

dependencies {
    compile 'com.flipboard:bottomsheet-core:1.0.0'
    compile 'com.flipboard:bottomsheet-commons:1.0.0' // optional
}

<LinearLayout
    android:id="@+id/root"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <View
        android:id="@+id/view1"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

    <View
        android:id="@+id/view2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

LinearLayout>

<com.flipboard.bottomsheet.BottomSheet
    android:id="@+id/bottomsheet"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:id="@+id/root"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <View
            android:id="@+id/view1"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>

        <View
            android:id="@+id/view2"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>

    LinearLayout>

com.flipboard.bottomsheet.BottomSheet>

BottomSheet bottomSheet = (BottomSheet) findViewById(R.id.bottomsheet);

bottomSheet.showWithSheetView(LayoutInflater.from(context).inflate(R.layout.my_sheet_layout, bottomSheet, false));

bottomSheet.showWithSheetView(new IntentPickerSheetView(this, shareIntent, "Share with...", new IntentPickerSheetView.OnIntentPickedListener() {
    @Override
    public void onIntentPicked(Intent intent) {
        bottomSheet.dismissSheet();
        startActivity(intent);
    }
});

/**
 * Set the presented sheet to be in an expanded state.
 */
public void expandSheet();

/**
 * Set the presented sheet to be in a peeked state.
 */
public void peekSheet();

/**
 * @return The peeked state translation for the presented sheet view. Translation is counted from the bottom of the view.
 */
public float getPeekSheetTranslation();

/**
 * @return The maximum translation for the presented sheet view. Translation is counted from the bottom of the view.
 */
public float getMaxSheetTranslation();

/**
 * @return The currently presented sheet view. If no sheet is currently presented null will returned.
 */
public View getContentView();

/**
 * @return The currently presented sheet view. If no sheet is currently presented null will returned.
 */
public View getSheetView();

/**
 * Set the content view of the bottom sheet. This is the view which is shown under the sheet
 * being presented. This is usually the root view of your application.
 *
 * @param contentView The content view of your application.
 */
public void setContentView(View contentView);

/**
 * Convenience for showWithSheetView(sheetView, null, null)
 */
public void showWithSheetView(View sheetView);

/**
 * Convenience for showWithSheetView(sheetView, viewTransformer, null)
 */
public void showWithSheetView(View sheetView, ViewTransformer viewTransformer);

/**
 * Present a sheet view to the user.
 *
 * @param sheetView The sheet to be presented.
 * @param viewTransformer The view transformer to use when presenting the sheet.
 * @param onSheetDismissedListener The listener to notify when the sheet is dismissed.
 */
public void showWithSheetView(View sheetView, ViewTransformer viewTransformer, OnSheetDismissedListener onSheetDismissedListener);

/**
 * Dismiss the sheet currently being presented.
 */
public void dismissSheet();

/**
 * @return The current state of the sheet.
 */
public State getState();

/**
 * @return Whether or not a sheet is currently presented.
 */
public boolean isSheetShowing();

/**
 * Set the default view transformer to use for showing a sheet. Usually applications will use
 * a similar transformer for most use cases of bottom sheet so this is a convenience instead of
 * passing a new transformer each time a sheet is shown. This choice is overridden by any
 * view transformer passed to showWithSheetView().
 *
 * @param defaultViewTransformer The view transformer user by default.
 */
public void setDefaultViewTransformer(ViewTransformer defaultViewTransformer);

/**
 * Enable or disable dimming of the content view while a sheet is presented. If enabled a
 * transparent black dim is overlayed on top of the content view indicating that the sheet is the
 * foreground view. This dim is animated into place is coordination with the sheet view.
 * Defaults to true.
 *
 * @param shouldDimContentView whether or not to dim the content view.
 */
public void setShouldDimContentView(boolean shouldDimContentView);

/**
 * @return whether the content view is being dimmed while presenting a sheet or not.
 */
public boolean shouldDimContentView();

/**
 * Enable or disable the use of a hardware layer for the presented sheet while animating.
 * This settings defaults to true and should only be changed if you know that putting the
 * sheet in a layer will negatively effect performance. One such example is if the sheet contains
 * a view which needs to frequently be re-drawn.
 *
 * @param useHardwareLayerWhileAnimating whether or not to use a hardware layer.
 */
public void setUseHardwareLayerWhileAnimating(boolean useHardwareLayerWhileAnimating);

/**
 * Set a OnSheetStateChangeListener which will be notified when the state of the presented sheet changes.
 *
 * @param onSheetStateChangeListener the listener to be notified.
 */
public void setOnSheetStateChangeListener(OnSheetStateChangeListener onSheetStateChangeListener);

/**
 * Called when the presented sheet has been dismissed.
 *
 * @param bottomSheet The bottom sheet which contained the presented sheet.
 */
void onDismissed(BottomSheet bottomSheet);

/**
 * Called on every frame while animating the presented sheet. This method allows you to coordinate
 * other animations (usually on the content view) with the sheet view's translation.
 *
 * @param translation The current translation of the presented sheet view.
 * @param maxTranslation The max translation of the presented sheet view.
 * @param peekedTranslation The peeked state translation of the presented sheet view.
 * @param parent The BottomSheet presenting the sheet view.
 * @param view The content view to transform.
 */
void transformView(float translation, float maxTranslation, float peekedTranslation, BottomSheet parent, View view);

IntentPickerSheetView intentPickerSheet = new IntentPickerSheetView(MainActivity.this, shareIntent, "Share with...", new IntentPickerSheetView.OnIntentPickedListener() {
    @Override
    public void onIntentPicked(Intent intent) {
        bottomSheet.dismissSheet();
        startActivity(intent);
    }
});
// Filter out built in sharing options such as bluetooth and beam.
intentPickerSheet.setFilter(new IntentPickerSheetView.Filter() {
    @Override
    public boolean include(IntentPickerSheetView.ActvityInfo info) {
        return !info.componentName.getPackageName().startsWith("com.android");
    }
});
// Sort activities in reverse order for no good reason
intentPickerSheet.setSortMethod(new Comparator<IntentPickerSheetView.ActvityInfo>() {
    @Override
    public int compare(IntentPickerSheetView.ActvityInfo lhs, IntentPickerSheetView.ActvityInfo rhs) {
        return rhs.label.compareTo(lhs.label);
    }
});
bottomSheet.showWithSheetView(intentPickerSheet);