Android share绘制虚线在手机上显示实线问题

可以说这是一个Bug, 据说在4.0以上机器会出现，我测试是android 4.4.2

Xml代码

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- <span class="tag"><?</span><span class="tag-name">xml</span> <span class="attribute">version</span>=<span class="attribute-value">&#8220;1.0&#8221;</span> <span class="attribute">encoding</span>=<span class="attribute-value">&#8220;utf-8&#8221;</span><span class="tag">?></span>

- <span class="tag"><</span><span class="tag-name">shape</span> <span class="attribute">xmlns:android</span>=<span class="attribute-value">&#8220;http://schemas.android.com/apk/res/android&#8221;</span>

- <span class="attribute">android:shape</span>=<span class="attribute-value">&#8220;line&#8221;</span> <span class="tag">></span>

- 
- <span class="tag"><</span><span class="tag-name">stroke</span>

- <span class="attribute">android:dashGap</span>=<span class="attribute-value">&#8220;3dp&#8221;</span>

- <span class="attribute">android:dashWidth</span>=<span class="attribute-value">&#8220;8dp&#8221;</span>

- <span class="attribute">android:width</span>=<span class="attribute-value">&#8220;1dp&#8221;</span>

- <span class="attribute">android:color</span>=<span class="attribute-value">&#8220;#999999&#8221;</span> <span class="tag">/></span>

- 
- <span class="tag"><</span><span class="tag-name">size</span> <span class="attribute">android:height</span>=<span class="attribute-value">&#8220;1dp&#8221;</span> <span class="tag">/></span>

- 
- <span class="tag"></</span><span class="tag-name">shape</span><span class="tag">></span>

layout中引用：

Xml代码

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- <span class="tag"><</span><span class="tag-name">View</span>

- <span class="attribute">android:layout_width</span>=<span class="attribute-value">&#8220;match_parent&#8221;</span>

- <span class="attribute">android:layout_height</span>=<span class="attribute-value">&#8220;3dp&#8221;</span>

- <span class="attribute">android:layout_marginBottom</span>=<span class="attribute-value">&#8220;5dp&#8221;</span>

- <span class="attribute">android:layout_marginTop</span>=<span class="attribute-value">&#8220;5dp&#8221;</span>

- <span class="attribute">android:background</span>=<span class="attribute-value">&#8220;@drawable/left_menu_dash_line&#8221;</span> <span class="tag">/></span>

在4.4.2上显示实线。

解决：

Xml代码

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- <span class="tag"><</span><span class="tag-name">View</span>

- <span class="attribute">android:layerType</span>=<span class="attribute-value">&#8220;software&#8221;</span>

- <span class="attribute">android:layout_width</span>=<span class="attribute-value">&#8220;match_parent&#8221;</span>

- <span class="attribute">android:layout_height</span>=<span class="attribute-value">&#8220;3dp&#8221;</span>

- <span class="attribute">android:layout_marginBottom</span>=<span class="attribute-value">&#8220;5dp&#8221;</span>

- <span class="attribute">android:layout_marginTop</span>=<span class="attribute-value">&#8220;5dp&#8221;</span>

- <span class="attribute">android:background</span>=<span class="attribute-value">&#8220;@drawable/left_menu_dash_line&#8221;</span> <span class="tag">/></span>

重点：

Xml代码

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- <span class="attribute">android:layerType</span>=<span class="attribute-value">&#8220;software&#8221;</span>

也可以：

Java代码

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- <activity android:name=<span class="string">&#8220;.TestActivity&#8221;</span> android:label=<span class="string">&#8220;Test&#8221;</span>

- android:hardwareAccelerated=<span class="string">&#8220;false&#8221;</span>>

重点关闭硬件加速：

Java代码

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- android:hardwareAccelerated=<span class="string">&#8220;false&#8221;</span>

<span class="pln">divider_under_pic</span><span class="pun">.</span><span class="pln">setLayerType</span><span class="pun">(</span><span class="typ">View</span><span class="pun">.</span><span class="pln">LAYER_TYPE_SOFTWARE</span><span class="pun">,</span><span class="kwd">null</span><span class="pun">);</span>

代码中使用setLayerType设置。

参考：

http://developer.android.com/guide/topics/graphics/hardware-accel.html

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