英文:
java.lang.NoSuchMethodError: No virtual method getTextBounds Error in android
问题
在尝试在Android中使用Paint类的getTextBounds()方法时，我在旧版本模拟器（Marshmallow和Nougat 7.1.1）上遇到了错误。错误信息如下：
java.lang.NoSuchMethodError: No virtual method getTextBounds(Ljava/lang/CharSequence;IILandroid/graphics/Rect;)V in class Landroid/graphics/Paint; or its super classes (declaration of 'android.graphics.Paint' appears in /system/framework/framework.jar)
这个问题似乎在Android 10模拟器上不会出现。我尝试了无效化缓存并重新启动，正如另一个答案中建议的，但并没有起作用。
英文:
When I try to use the getTextBounds() method of Paint class in Android, I am getting errors on older version emulators (Marshmallow and Nougat 7.1.1). This is the error:
java.lang.NoSuchMethodError: No virtual method getTextBounds(Ljava/lang/CharSequence;IILandroid/graphics/Rect;)V in class Landroid/graphics/Paint; or its super classes (declaration of 'android.graphics.Paint' appears in /system/framework/framework.jar)
The issue does not seem to happen on android 10 emulator. I tried Invalidating caches and restarting as suggested in another answer, but it did not work.
答案1
得分: 2
以下是翻译好的部分：
当我使用以下代码时：
Paint.getTextBounds(@NoNull CharSequence text, int start, int end, @NoNull Rect bounds);
一些设备会抛出以下错误：
error:java.lang.NoSuchMethodError: No virtual method getTextBounds
替换为：
Paint.getTextBounds(@NoNull String text, int start, int end, @NoNull Rect bounds);
就可以正常工作了。希望能帮到你。
英文:
When I use
Paint.getTextBounds(@NoNull CharSequence text, int start, int end, @NoNull Rect bounds);
some devices throws
error:java.lang.NoSuchMethodError: No virtual method getTextBounds
replace:
Paint.getTextBounds(@NoNull String text, int start, int end, @NoNull Rect bounds);
it works
hope help U
答案2
得分: 1
这种方法是在Android API 28中引入的 - 在这里查看1 - 这意味着在之前的版本中不可用。
这将适用于运行API 28+的设备，并且在运行较低API级别的设备上会抛出异常。
通常正确的做法是引入版本检查：
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
// 可以安全使用getMccString
} else {
// 使用其他可能适用的方法
}
请注意，仅因为您可以在自己的计算机上浏览源代码，并不意味着运行您的应用的设备上将具有相同的Android代码 - 大多数情况下不会。
正如此处所提到的2。
英文:
This method was introduced in Android api 28 - check here - which means it won't be available in versions before.
This will work on devices running api 28+ and will throw that exception in devices running lower api levels.
Usually the correct way to do this is to introduce checks for the version:
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
// Safe to use getMccString
} else {
// Use something else that could work if there's something
}
Note that just because you can browse the source in your machine it doesn't mean the device running your app will have the same Android code running - most of the time it doesn't.
as mention here
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