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如何獲得雙倍價值從申報式?如何從「申報式」獲得雙倍價值
attributes.xml
<declare-styleable name="MeterView">
<attr name="volume" format="double"/> // Can't resolved format
</declare-styleable>
分配雙重價值meterView
<com.test.example.MeterView
android:id="@+id/meter1"
android:layout_width="295dp"
android:layout_height="150dp"
app:volume="123456789.01"/>
調用attributes.xml
Double volume = a.getDouble(R.styleable.MeterView_volume); // Can't resolved getDouble
謝謝兄弟,它的工作:) – Ihdina