android可绘制语音泡泡

5vf7fwbs  于 2021-06-27  发布在  Java
关注(0)|答案(6)|浏览(346)

我已经找了好几天，找不到任何好的线索，我可以如何画一个泡沫或一个画9补丁图片是作为背景使用。我是个糟糕的艺术家--有人能帮我吗？
我在stackoverflow上找到了最好的示例，但它是用objective c编写的
如何在iphone上画“语音泡泡”？
谢谢您

JavaandroideclipseImageDrawable

6条答案

按热度按时间
s6fujrry

s6fujrry1#

你应该在某种图像编辑器中创建一个图像，然后用它创建一个9补丁。您可以使用9 patch方法设置希望内容所在的区域。然后，你可以简单地有一个文本视图，背景设置为你的9补丁。看看市面上一款名为bnter的应用程序吧，它使用语音气泡来显示与你要找的内容类似的对话。

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nnt7mjpx

nnt7mjpx2#

在这里，我已经创建了传入和传出的消息如下android使椭圆形的背景与聊天角落可画
itemincoming.xml文件

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    app:cardElevation="1dp"
    android:layout_margin="2dp"
    android:layout_height="wrap_content">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_margin="16dp"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Hii how are you ?  11:37"
                android:paddingStart="16dp"
                android:paddingTop="10dp"
                android:paddingEnd="12dp"
                android:paddingBottom="8dp"
                android:textColor="@color/white"
                android:background="@drawable/testrect"/>

            <ImageView
                android:layout_marginTop="-1.5dp"
                android:layout_width="8dp"
                android:layout_height="16dp"
                android:layout_gravity="start"
                android:background="@drawable/testcorner"
                />

        </LinearLayout>

    </RelativeLayout>
</RelativeLayout>

testrect.xml文件

<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="#E26841" />
    <corners
        android:bottomRightRadius="5dp"
        android:topLeftRadius="5dp"
        android:topRightRadius="5dp"/>

</shape>

testcorner.xml文件

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <rotate
            android:fromDegrees="45"
            android:pivotX="135%"
            android:pivotY="15%"
            android:toDegrees="45"
            >
            <shape android:shape="rectangle">
                <solid android:color="#E26841"/>

            </shape>
        </rotate>
    </item>
</layer-list>

传出.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    app:cardElevation="1dp"
    android:layout_margin="2dp"
    android:layout_height="wrap_content">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_margin="16dp"
            android:orientation="vertical">

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="end"
                android:text="11:37 Hii how are you ?"
                android:paddingStart="16dp"
                android:paddingTop="10dp"
                android:paddingEnd="12dp"
                android:paddingBottom="8dp"
                android:textColor="@color/txtcolor_commn"
                android:background="@drawable/testrecty"/>

            <ImageView
                android:layout_marginTop="-4.5dp"
                android:layout_marginRight="4.5dp"
                android:layout_width="8dp"
                android:layout_height="16dp"
                android:layout_gravity="end"
                android:rotation="90"
                android:background="@drawable/testcornery"
                />

        </LinearLayout>

    </RelativeLayout>
</RelativeLayout>

testrecty.xml文件

<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="@color/white" />
    <corners
        android:bottomLeftRadius="5dp"
        android:topLeftRadius="5dp"
        android:topRightRadius="5dp"/>

</shape>

testcornery.xml文件

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <rotate
            android:fromDegrees="45"
            android:pivotX="135%"
            android:pivotY="15%"
            android:toDegrees="45"
            >
            <shape android:shape="rectangle">
                <solid android:color="@color/white"/>

            </shape>
        </rotate>
    </item>
</layer-list>

现在它看起来像这样

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b4wnujal

b4wnujal3#

以防万一有人需要另一种风格的泡泡给你tnx@vipin negi
chat\u receiver\u bubble.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

    <!--Shadow Layer-->

    <item android:right="10dp">
        <shape android:shape="rectangle">
            <corners android:radius="100dp" />
            <padding
                android:bottom="1px"
                android:left="1px"
                android:right="1px" />
            <solid android:color="#01000000" />
        </shape>
    </item>

    <!--===============-->

    <item android:right="10dp">
        <shape android:shape="rectangle">
            <corners android:radius="100dp" />
            <padding android:bottom="1px" />
            <solid android:color="#09000000" />
        </shape>
    </item>

    <!--===============-->

    <item android:right="10dp">
        <shape android:shape="rectangle">
            <corners android:radius="100dp" />
            <padding
                android:bottom="1px"
                android:left="1px"
                android:right="1px" />
            <solid android:color="#10000000" />
        </shape>
    </item>

    <!--===============-->

    <!--ForeGround-->

    <item android:right="10dp">
        <shape android:shape="rectangle">
            <solid android:color="@color/app_color" />
            <corners android:bottomLeftRadius="0dp" android:radius="100dp" />
        </shape>
    </item>

</layer-list>

聊天室\发件人\ bubble.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

<!--Shadow Layer-->

<item android:right="10dp">
    <shape android:shape="rectangle">
        <corners android:radius="100dp" />
        <padding
            android:bottom="1px"
            android:left="1px"
            android:right="1px" />
        <solid android:color="#01000000" />
    </shape>
</item>

<!--===============-->

<item android:right="10dp">
    <shape android:shape="rectangle">
        <corners android:radius="100dp" />
        <padding android:bottom="1px" />
        <solid android:color="#09000000" />
    </shape>
</item>

<!--===============-->

<item android:right="10dp">
    <shape android:shape="rectangle">
        <corners android:radius="100dp" />
        <padding
            android:bottom="1px"
            android:left="1px"
            android:right="1px" />
        <solid android:color="#10000000" />
    </shape>
</item>

<!--===============-->

<!--ForeGround-->

<item android:right="10dp">
    <shape android:shape="rectangle">
        <solid android:color="@color/settings_bg" />
        <corners android:bottomRightRadius="0dp" android:radius="100dp" />
    </shape>
</item>

像这样使用

<RelativeLayout
            android:gravity="center"
            android:id="@+id/chatLayout"
            android:background="@drawable/chat_receiver_bubble" //or @drawable/chat_sender_bubble
            android:visibility="gone"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content">
            <TextView
                android:textSize="14sp"
                android:textColor="@color/text_colour"
                android:id="@+id/message"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_margin="10dp"
                android:text=""
                android:fontFamily="@font/regular"/>
        </RelativeLayout>

最终外观

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1dkrff03

1dkrff034#

这是我做的一个简单的演讲。希望对某人来说，这是一个正确的开始。使用这种可拉伸材料的视图需要至少70-80dp的高度和类似的最小宽度才能正确显示。

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >

    <item android:top="30dp">
        <rotate
            android:fromDegrees="-45"
            android:pivotX="0%"
            android:pivotY="0%"
            android:toDegrees="0" >
            <shape android:shape="rectangle" >
                <solid android:color="#CCC" />
            </shape>
        </rotate>
    </item>
    <item android:left="20dp">
        <shape android:shape="rectangle" >
            <solid android:color="#CCC" />

            <corners android:radius="5dp" />
        </shape>
    </item>

</layer-list>

android drawables在绘制任何稍微复杂的东西的可用性方面还有很多需要改进的地方。
此版本如下所示：

更新我又在研究xml语音气泡，对我2014年的解决方案有点不满意。2018年，我们推出了矢量绘图工具，可以提供比上述更好的解决方案。这里有一些更现代的选择。它们允许诸如小消息和透明之类的事情。
语音\u bubble\u simple\u user.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" >

    <item
        android:bottom="@dimen/speech_bubble_tail"
        tools:width="100dp"
        tools:height="50dp">
        <shape android:shape="rectangle">
            <solid android:color="@color/speech_bubble_user"/>
            <corners
                android:topLeftRadius="@dimen/speech_bubble_corners"
                android:topRightRadius="@dimen/speech_bubble_corners"
                android:bottomRightRadius="0dp"
                android:bottomLeftRadius="@dimen/speech_bubble_corners"/>
        </shape>
    </item>

    <item
        android:width="@dimen/speech_bubble_tail"
        android:height="@dimen/speech_bubble_tail"
        android:gravity="bottom|right">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_tail"
            android:height="@dimen/speech_bubble_tail"
            android:viewportWidth="25.0"
            android:viewportHeight="25.0">
            <path
                android:pathData="M25,25 25,0 0,0z"
                android:fillColor="@color/speech_bubble_user"/>
        </vector>
    </item>

</layer-list>

语音\u bubble\u simple\u agent.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" >

    <item
        android:bottom="@dimen/speech_bubble_tail"
        tools:width="100dp"
        tools:height="50dp">
        <shape android:shape="rectangle">
            <solid android:color="@color/speech_bubble_agent"/>
            <corners
                android:topLeftRadius="@dimen/speech_bubble_corners"
                android:topRightRadius="@dimen/speech_bubble_corners"
                android:bottomLeftRadius="0dp"
                android:bottomRightRadius="@dimen/speech_bubble_corners"/>
        </shape>
    </item>

    <item
        android:width="@dimen/speech_bubble_tail"
        android:height="@dimen/speech_bubble_tail"
        android:gravity="bottom|left">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_tail"
            android:height="@dimen/speech_bubble_tail"
            android:viewportWidth="25.0"
            android:viewportHeight="25.0">
            <path
                android:pathData="M0,25 25,0 0,0z"
                android:fillColor="@color/speech_bubble_agent"/>
        </vector>
    </item>

</layer-list>

上面的两个看起来是这样的：（这些版本不太适合透明性，我不知道为什么下面的版本看起来很好。）

语音\u bubble\u nine\u patch\u user.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" >

    <item
        android:left="@dimen/speech_bubble_corners"
        android:right="@dimen/speech_bubble_corners_plus_tail"
        android:bottom="@dimen/speech_bubble_spacing"
        tools:width="50dp"
        tools:height="50dp">
        <shape android:shape="rectangle">
            <solid android:color="@color/speech_bubble_user"/>
        </shape>
    </item>

    <item
        android:top="@dimen/speech_bubble_corners"
        android:bottom="@dimen/speech_bubble_corners_plus_tail"
        android:gravity="left"
        android:width="@dimen/speech_bubble_corners">
        <shape android:shape="rectangle">
            <solid android:color="@color/speech_bubble_user"/>
        </shape>
    </item>

    <item
        android:top="@dimen/speech_bubble_corners"
        android:bottom="@dimen/speech_bubble_corners_plus_tail"
        android:right="@dimen/speech_bubble_spacing"
        android:gravity="right"
        android:width="@dimen/speech_bubble_corners">
        <shape android:shape="rectangle">
            <solid android:color="@color/speech_bubble_user"/>
        </shape>
    </item>

    <item
        android:width="@dimen/speech_bubble_corners"
        android:height="@dimen/speech_bubble_corners"
        android:bottom="@dimen/speech_bubble_spacing"
        android:gravity="bottom|left">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_corners"
            android:height="@dimen/speech_bubble_corners"
            android:viewportWidth="10.0"
            android:viewportHeight="10.0">
            <path
                android:pathData="M0,0 A10,10 0 0,0 10,10 L10,0 Z"
                android:fillColor="@color/speech_bubble_user"/>
        </vector>
    </item>

    <item
        android:width="@dimen/speech_bubble_corners"
        android:height="@dimen/speech_bubble_corners"
        android:right="@dimen/speech_bubble_spacing"
        android:gravity="top|right">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_corners"
            android:height="@dimen/speech_bubble_corners"
            android:viewportWidth="10.0"
            android:viewportHeight="10.0">
            <path
                android:pathData="M10,10 A10,10 0 0,0 0,0 L0,10 Z"
                android:fillColor="@color/speech_bubble_user"/>
        </vector>
    </item>

    <item
        android:width="@dimen/speech_bubble_corners"
        android:height="@dimen/speech_bubble_corners"
        android:gravity="top|left">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_corners"
            android:height="@dimen/speech_bubble_corners"
            android:viewportWidth="10.0"
            android:viewportHeight="10.0">
            <path
                android:pathData="M10,0 A10,10 0 0,0 0,10 L10,10 Z"
                android:fillColor="@color/speech_bubble_user"/>
        </vector>
    </item>

    <item
        android:width="@dimen/speech_bubble_corners_plus_tail"
        android:height="@dimen/speech_bubble_corners_plus_tail"
        android:gravity="bottom|right">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_corners_plus_tail"
            android:height="@dimen/speech_bubble_corners_plus_tail"
            android:viewportWidth="150.0"
            android:viewportHeight="150.0">
            <path
                android:pathData="M0,100 C7.67309143,100 14.1935201,100.346373 20.500756,99.0996492 C43.6628959,129.872031 94.1698247,146.306561 150.320843,150.792562 C113.168693,130.799632 87.2808993,98.5054948 81.0808824,68.6524321 C94.1277117,51.7595331 100,23.9957121 100,0 L0,0 L0,100 Z"
                android:fillColor="@color/speech_bubble_user"/>
        </vector>
    </item>

</layer-list>

语音\u bubble\u nine\u patch\u agent.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" >

    <item
        android:left="@dimen/speech_bubble_corners_plus_tail"
        android:right="@dimen/speech_bubble_corners"
        android:bottom="@dimen/speech_bubble_spacing"
        tools:width="50dp"
        tools:height="50dp">
        <shape android:shape="rectangle">
            <solid android:color="@color/speech_bubble_agent"/>
        </shape>
    </item>

    <item
        android:top="@dimen/speech_bubble_corners"
        android:bottom="@dimen/speech_bubble_corners_plus_tail"
        android:left="@dimen/speech_bubble_spacing"
        android:gravity="left"
        android:width="@dimen/speech_bubble_corners">
        <shape android:shape="rectangle">
            <solid android:color="@color/speech_bubble_agent"/>
        </shape>
    </item>

    <item
        android:top="@dimen/speech_bubble_corners"
        android:bottom="@dimen/speech_bubble_corners_plus_tail"
        android:gravity="right"
        android:width="@dimen/speech_bubble_corners">
        <shape android:shape="rectangle">
            <solid android:color="@color/speech_bubble_agent"/>
        </shape>
    </item>

    <item
        android:width="@dimen/speech_bubble_corners"
        android:height="@dimen/speech_bubble_corners"
        android:bottom="@dimen/speech_bubble_spacing"
        android:gravity="bottom|right">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_corners"
            android:height="@dimen/speech_bubble_corners"
            android:viewportWidth="10.0"
            android:viewportHeight="10.0">
            <path
                android:pathData="M0,10 A10,10 0 0,0 10,0 L0,0 Z"
                android:fillColor="@color/speech_bubble_agent"/>
        </vector>
    </item>

    <item
        android:width="@dimen/speech_bubble_corners"
        android:height="@dimen/speech_bubble_corners"
        android:gravity="top|right">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_corners"
            android:height="@dimen/speech_bubble_corners"
            android:viewportWidth="10.0"
            android:viewportHeight="10.0">
            <path
                android:pathData="M10,10 A10,10 0 0,0 0,0 L0,10 Z"
                android:fillColor="@color/speech_bubble_agent"/>
        </vector>
    </item>

    <item
        android:width="@dimen/speech_bubble_corners"
        android:height="@dimen/speech_bubble_corners"
        android:left="@dimen/speech_bubble_spacing"
        android:gravity="top|left">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_corners"
            android:height="@dimen/speech_bubble_corners"
            android:viewportWidth="10.0"
            android:viewportHeight="10.0">
            <path
                android:pathData="M10,0 A10,10 0 0,0 0,10 L10,10 Z"
                android:fillColor="@color/speech_bubble_agent"/>
        </vector>
    </item>

    <item
        android:width="@dimen/speech_bubble_corners_plus_tail"
        android:height="@dimen/speech_bubble_corners_plus_tail"
        android:gravity="bottom|left">
        <vector xmlns:android="http://schemas.android.com/apk/res/android"
            android:width="@dimen/speech_bubble_corners_plus_tail"
            android:height="@dimen/speech_bubble_corners_plus_tail"
            android:viewportWidth="150.0"
            android:viewportHeight="150.0">
            <path
                android:pathData="M150,100 L150,0 L50,0 C50,11.9054549 52.5180742,22.2130322 55.2200144,32.2289993 C59.25,47.1679688 65.7054859,60.8615415 68.15625,65.5820312 C55.2200144,107.207031 41.7460938,127.800781 0,151 C61.5311854,147.539062 101.691406,129.675781 124.615295,97.6602593 C132.823321,99.8389881 141.106342,100 150,100 Z"
                android:fillColor="@color/speech_bubble_agent"/>
        </vector>
    </item>

</layer-list>

上面两个是这样的：

dimens.xml（两者都适用）

<dimen name="speech_bubble_corners">10dp</dimen>
<dimen name="speech_bubble_corners_plus_tail">15dp</dimen>
<dimen name="speech_bubble_spacing">5dp</dimen>
<dimen name="speech_bubble_tail">25dp</dimen>
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qyswt5oh

qyswt5oh5#

我知道现在来不及了。对于那些不想使用9-patch图像但又想从语音泡沫中投射阴影的人来说。这是我最接近whatsapp的演讲泡泡。感谢@toobsco42给出上述答案。
干得好。。
传入语音气泡：

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

<!--Shadow Layers-->

<item>
    <rotate
        android:fromDegrees="-35"
        android:pivotX="0%"
        android:pivotY="0%"
        android:toDegrees="0">
        <shape android:shape="rectangle">
            <corners android:radius="4dp"/>
            <padding
                android:bottom="1px"
                android:left="1px"
                android:right="1px"/>
            <solid android:color="#01000000" />
        </shape>
    </rotate>
</item>
<item android:left="8dp">
    <shape android:shape="rectangle">
        <padding
            android:bottom="1px"
            android:left="1px"
            android:right="1px"/>
        <solid android:color="#01000000" />
        <corners android:radius="8dp" />
    </shape>
</item>

<!--===============-->
<item>
    <rotate
        android:fromDegrees="-35"
        android:pivotX="0%"
        android:pivotY="0%"
        android:toDegrees="0">
        <shape android:shape="rectangle">
            <corners android:radius="4dp"/>
            <padding
                android:bottom="1px" />
            <solid android:color="#09000000" />
        </shape>
    </rotate>
</item>
<item android:left="8dp">
    <shape android:shape="rectangle">
        <padding
            android:bottom="1px" />
        <solid android:color="#09000000" />
        <corners android:radius="8dp" />
    </shape>
</item>

<!--===============-->

<item>
    <rotate
        android:fromDegrees="-35"
        android:pivotX="0%"
        android:pivotY="0%"
        android:toDegrees="0">
        <shape android:shape="rectangle">
            <corners android:radius="4dp"/>
            <padding
                android:bottom="1px"
                android:left="1px"
                android:right="1px"/>
            <solid android:color="#10000000" />
        </shape>
    </rotate>
</item>
<item android:left="8dp">
    <shape android:shape="rectangle">
        <padding
            android:bottom="1px"
            android:left="1px"
            android:right="1px"/>
        <solid android:color="#10000000" />
        <corners android:radius="8dp" />
    </shape>
</item>

<!--ForeGround-->

<item>
    <rotate
        android:fromDegrees="-35"
        android:pivotX="0%"
        android:pivotY="0%"
        android:toDegrees="0">
        <shape android:shape="rectangle">
            <corners android:radius="4dp"/>
            <solid android:color="@color/colorWhite" />
        </shape>
    </rotate>
</item>
<item android:left="8dp">
    <shape android:shape="rectangle">
        <solid android:color="@color/colorWhite" />
        <corners android:radius="8dp" />
    </shape>
</item>

</layer-list>

传出语音气泡：

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

<!--Shadow Layer-->

<item>
    <rotate
        android:fromDegrees="40"
        android:pivotX="100%"
        android:pivotY="0%"
        android:toDegrees="0">
        <shape android:shape="rectangle">
            <corners android:radius="4dp" />
            <padding
                android:bottom="1px"
                android:left="1px"
                android:right="1px" />
            <solid android:color="#01000000" />
        </shape>
    </rotate>
</item>
<item android:right="10dp">
    <shape android:shape="rectangle">
        <corners android:radius="4dp" />
        <padding
            android:bottom="1px"
            android:left="1px"
            android:right="1px" />
        <solid android:color="#01000000" />
    </shape>
</item>

<!--===============-->

<item>
    <rotate
        android:fromDegrees="40"
        android:pivotX="100%"
        android:pivotY="0%"
        android:toDegrees="0">
        <shape android:shape="rectangle">
            <corners android:radius="4dp" />
            <padding android:bottom="1px" />
            <solid android:color="#09000000" />
        </shape>
    </rotate>
</item>
<item android:right="10dp">
    <shape android:shape="rectangle">
        <corners android:radius="4dp" />
        <padding android:bottom="1px" />
        <solid android:color="#09000000" />
    </shape>
</item>

<!--===============-->

<item>
    <rotate
        android:fromDegrees="40"
        android:pivotX="100%"
        android:pivotY="0%"
        android:toDegrees="0">
        <shape android:shape="rectangle">
            <corners android:radius="4dp" />
            <padding
                android:bottom="1px"
                android:left="1px"
                android:right="1px" />
            <solid android:color="#10000000" />
        </shape>
    </rotate>
</item>
<item android:right="10dp">
    <shape android:shape="rectangle">
        <corners android:radius="4dp" />
        <padding
            android:bottom="1px"
            android:left="1px"
            android:right="1px" />
        <solid android:color="#10000000" />
    </shape>
</item>

<!--===============-->

<!--ForeGround-->

<item>
    <rotate
        android:fromDegrees="40"
        android:pivotX="100%"
        android:pivotY="0%"
        android:toDegrees="0">
        <shape android:shape="rectangle">
            <solid android:color="#CBEBFC" />
        </shape>
    </rotate>
</item>
<item android:right="10dp">
    <shape android:shape="rectangle">
        <solid android:color="#CBEBFC" />
        <corners android:radius="4dp" />
    </shape>
</item>

</layer-list>

在布局中正确使用衬垫。我使用了这些值：

<TextView
    android:id="@+id/text_message_incoming"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:background="@drawable/bg_speech_bubble_incoming"
    android:lineSpacingExtra="2dp"
    android:paddingLeft="20dp"
    android:paddingTop="4dp"
    android:paddingRight="10dp"
    android:paddingBottom="10dp"
    android:text="Hi, How are you?"
    android:textColor="@color/colorBlack"
    android:textSize="13.5dp"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    app:layout_constraintWidth_max="wrap"
    app:layout_constraintWidth_percent="0.8" />

我的结果是这样的：

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jgwigjjp

jgwigjjp6#

如果你正在创建一个聊天屏幕，你可能会想要实现一个传入的语音气泡和一个传出的语音气泡。我是这样做的：

形状\u bg \u incoming \u bubble.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <rotate
            android:fromDegrees="-45"
            android:pivotX="0%"
            android:pivotY="0%"
            android:toDegrees="0" >
            <shape android:shape="rectangle" >
                <solid android:color="@color/primary" />
            </shape>
        </rotate>
    </item>
    <item android:left="16dp">
        <shape android:shape="rectangle" >
            <solid android:color="@color/primary" />
            <corners android:radius="4dp" />
        </shape>
    </item>
</layer-list>

形状\u bg \u outgoing \u bubble.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item>
        <rotate
            android:fromDegrees="45"
            android:pivotX="100%"
            android:pivotY="0%"
            android:toDegrees="0" >
            <shape android:shape="rectangle" >
                <solid android:color="@color/grey_500" />
            </shape>
        </rotate>
    </item>
    <item android:right="16dp">
        <shape android:shape="rectangle" >
            <solid android:color="@color/grey_500" />
            <corners android:radius="4dp" />
        </shape>
    </item>
</layer-list>
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