public class

MessageView

extends SliceChildView

 java.lang.Object

↳FrameLayout

androidx.slice.widget.SliceChildView

↳androidx.slice.widget.MessageView

Gradle dependencies

compile group: 'androidx.slice', name: 'slice-view', version: '1.1.0-alpha02'

  • groupId: androidx.slice
  • artifactId: slice-view
  • version: 1.1.0-alpha02

Artifact androidx.slice:slice-view:1.1.0-alpha02 it located at Google repository (https://maven.google.com/)

Androidx artifact mapping:

androidx.slice:slice-view com.android.support:slices-view

Summary

Fields
from SliceChildViewmInsetBottom, mInsetEnd, mInsetStart, mInsetTop, mLastUpdated, mLoadingListener, mMode, mObserver, mRowStyle, mShowLastUpdated, mSliceStyle, mTintColor, mViewPolicy
Constructors
publicMessageView(Context context)

Methods
public intgetMode()

protected voidonFinishInflate()

public abstract voidresetView()

Called when the view should be reset.

public voidsetSliceItem(SliceContent slice, boolean isHeader, int rowIndex, int rowCount, SliceView.OnSliceActionListener observer)

Called when the slice being displayed in this view is an element of a larger list.

from SliceChildViewgetHiddenItemCount, getLoadingActions, setActionLoading, setAllowTwoLines, setInsets, setLastUpdated, setLoadingActions, setPolicy, setShowLastUpdated, setSliceActionListener, setSliceActionLoadingListener, setSliceActions, setSliceContent, setStyle, setTint
from java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors

public MessageView(Context context)

Methods

public int getMode()

Returns:

the mode of the slice being presented.

public abstract void resetView()

Called when the view should be reset.

protected void onFinishInflate()

public void setSliceItem(SliceContent slice, boolean isHeader, int rowIndex, int rowCount, SliceView.OnSliceActionListener observer)

Called when the slice being displayed in this view is an element of a larger list.

Source

/*
 * Copyright 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.slice.widget;

import static android.app.slice.Slice.SUBTYPE_SOURCE;
import static android.app.slice.SliceItem.FORMAT_IMAGE;
import static android.app.slice.SliceItem.FORMAT_TEXT;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.text.SpannableStringBuilder;
import android.util.TypedValue;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.RequiresApi;
import androidx.annotation.RestrictTo;
import androidx.slice.SliceItem;
import androidx.slice.core.SliceQuery;

import java.util.List;

/**
 * @hide
 */
@RestrictTo(RestrictTo.Scope.LIBRARY)
@RequiresApi(19)
public class MessageView extends SliceChildView {

    private TextView mDetails;
    private ImageView mIcon;

    public MessageView(Context context) {
        super(context);
    }

    @Override
    public int getMode() {
        return SliceView.MODE_LARGE;
    }

    @Override
    public void resetView() {
        // TODO
    }

    @Override
    protected void onFinishInflate() {
        super.onFinishInflate();
        mDetails = findViewById(android.R.id.summary);
        mIcon = findViewById(android.R.id.icon);
    }

    @Override
    public void setSliceItem(SliceContent content, boolean isHeader, int index,
            int rowCount, SliceView.OnSliceActionListener observer) {
        SliceItem slice = content.getSliceItem();
        setSliceActionListener(observer);
        SliceItem source = SliceQuery.findSubtype(slice, FORMAT_IMAGE, SUBTYPE_SOURCE);
        if (source != null && source.getIcon() != null) {
            Drawable d = source.getIcon().loadDrawable(getContext());
            if (d != null) {
                final int iconSize = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                        24, getContext().getResources().getDisplayMetrics());
                // TODO: try and turn this into a drawable
                Bitmap iconBm = Bitmap.createBitmap(iconSize, iconSize, Bitmap.Config.ARGB_8888);
                Canvas iconCanvas = new Canvas(iconBm);
                d.setBounds(0, 0, iconSize, iconSize);
                d.draw(iconCanvas);
                mIcon.setImageBitmap(SliceViewUtil.getCircularBitmap(iconBm));
            }
        }
        final SpannableStringBuilder builder = new SpannableStringBuilder();
        List<SliceItem> items = SliceQuery.findAll(slice, FORMAT_TEXT);
        for (SliceItem text : items) {
            if (builder.length() != 0) {
                builder.append('\n');
            }
            builder.append(text.getSanitizedText());
        }
        mDetails.setText(builder.toString());
    }
}