qq_34250794的博客

viewpager文字渐变指示器//ZSG 一、// 切换fragment 四部曲,一个FragmentManager 三个事物(和GIT的提交很像begin后,add,commit)FragmentManager fragmentManager = getSupportFragmentManager();FragmentTransaction transaction = fragmentManager.beginTransaction();transaction.add(R.id.framela

游动的鲤鱼用Drawable画，然后用控制imageview的位置一、Drawablepackage com.example.fish;import android.animation.ValueAnimator;import android.graphics.Canvas;import android.graphics.ColorFilter;import android.graphics.Paint;import android.graphics.Path;import android

package com.example.recycleviewitemdecor;import android.content.Context;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Rect;import android.view.View;import androidx.annotation.Non