Dimples_54的博客

TextVew      概念：TextView是一个文本控件      功能：文本内容的显示，默认配置不可编辑，他的子类 EditView可以编辑      属性：                   android：text="Hello world!"      文本内容                   android：textSize=”20sp

1.ComponentName跳转1. Intent intent = new Intent(MainActivity.this,SecondActivity.class);startActivity(intent);2. Intent intent = new Intent();intent.setClass(MainActivity.this,SecondA

public class RecyclerViewDivider extends RecyclerView.ItemDecoration { private Paint mPaint; private Drawable mDivider; private int mDividerHeight = 2;//分割线高度，默认为1px private int mOrien

private void getDate(TextView tv){ Date d = new Date(); if(d.getHours()11){ tv.setText("一 早上好 一"); }else if(d.getHours()13){ tv.setText("一 中午好 一"); }else if(d.getHours(

1.在adapter中：private RecyclerView rv;@Overridepublic void onAttachedToRecyclerView(RecyclerView recyclerView) { super.onAttachedToRecyclerView(recyclerView); rv = recyclerView;}public