目录TextView 文本视图eg:跑马灯 ImageViewImageButtonEditViewButtonCheckBox 多选按钮RadioButton 单选按钮ToggleButton 开关触发器SeekBar 滑动条 ProgressBar 进度条共有属性总结 TextView 文本视
Let\'s assume I have a database with two tables: categories and articles. Every article belongs to a category.
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