android-custom-attributes

Custom XML attributes without custom View in Fragment

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问题 I'm trying to add custom XML attributes in existing View Adding them to a custom View is not a big deal but I don't know how to access those attributes in a "basic" View (e.g. TextView, LinearLayout, ImageView ...) And this is more difficult when there are Fragment and / or Library project involved So far here is my code Customs attributes definitions and XML (attrs.xml and the layout): <?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="StarWars"> <attr name="jedi"

How do you add user defined properties/values in to the Android manifest file?

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问题 I want to add a custom attribute / property into the manifest file, and be able to read it at run time. I want to do this so I can customize the app's behavior via these manifest properties. How can this be done? 回答1: You can add meta-data to your AndroidManifest.xml file and then read that in your application. Write the data like so: <meta-data android:value="bar" android:name="foo"></meta-data> And read the data like so: ApplicationInfo ai = context.getPackageManager().getApplicationInfo

Same-named attributes in attrs.xml for custom view

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问题 I'm writing a few custom views which share some same-named attributes. In their respective <declare-styleable> section in attrs.xml I'd like to use the same names for attributes: <?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="MyView1"> <attr name="myattr1" format="string" /> <attr name="myattr2" format="dimension" /> ... </declare-styleable> <declare-styleable name="MyView2"> <attr name="myattr1" format="string" /> <attr name="myattr2" format="dimension" /> ... <

give space between text and underline with customview android

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问题 I want an underline below OPTING like below, but when i create this will the help of customview, underline appears just below opting but i want some space between text and line like image I had created a Custom view, in which a word will searched in a string if that is found, then that corresponding text will be underlined but the only thing i want is to give some space between underline and text, My class is as follows, import android.content.Context; import android.content.res.TypedArray;

How to get attributes with namespace “android” in custom TextView

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问题 In custom TextView I'm trying to obtain value of a text attribute (for example). TypedArray values = context.obtainStyledAttributes(attrs, com.android.internal.R.styleable.TextView); String text = values.getString(com.android.internal.R.styleable.TextView_text); But I'm getting this error message: package com.android.internal.R does not exist So how to retrieve "default" attributes of TextView? 回答1: The internal.R class isn't visible so you can only read them through their accessor methods

Custom XML attributes without custom View in Fragment

阅读更多关于 Custom XML attributes without custom View in Fragment

I'm trying to add custom XML attributes in existing View Adding them to a custom View is not a big deal but I don't know how to access those attributes in a "basic" View (e.g. TextView, LinearLayout, ImageView ...) And this is more difficult when there are Fragment and / or Library project involved So far here is my code Customs attributes definitions and XML (attrs.xml and the layout): <?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="StarWars"> <attr name="jedi" format="string" /> <attr name="rank" format="string" /> </declare-styleable> <LinearLayout xmlns:android=

How do you add user defined properties/values in to the Android manifest file?

阅读更多关于 How do you add user defined properties/values in to the Android manifest file?

I want to add a custom attribute / property into the manifest file, and be able to read it at run time. I want to do this so I can customize the app's behavior via these manifest properties. How can this be done? P.Melch You can add meta-data to your AndroidManifest.xml file and then read that in your application. Write the data like so: <meta-data android:value="bar" android:name="foo"></meta-data> And read the data like so: ApplicationInfo ai = context.getPackageManager().getApplicationInfo(context.getPackageName(), PackageManager.GET_META_DATA); Object value = (Object)ai.metaData.get("foo")

Same-named attributes in attrs.xml for custom view

阅读更多关于 Same-named attributes in attrs.xml for custom view

I'm writing a few custom views which share some same-named attributes. In their respective <declare-styleable> section in attrs.xml I'd like to use the same names for attributes: <?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="MyView1"> <attr name="myattr1" format="string" /> <attr name="myattr2" format="dimension" /> ... </declare-styleable> <declare-styleable name="MyView2"> <attr name="myattr1" format="string" /> <attr name="myattr2" format="dimension" /> ... </declare-styleable> </resources> I'm getting an error saying that myattr1 and myattr2 are already