Android 登錄3D翻轉影片效果

描述：這是一個登錄3D翻轉效果的Demo，

專案代碼在最后面！！！！跳轉到最后

控制元件效果如下：

請添加圖片描述

實作功能：

使頁面進行3D翻轉（3D翻轉效果）
可通過回呼監聽兩個頁面的顯隱

設計核心：

主要的設計核心是依賴于Camera來進行視覺上深度的放大和縮小，而旋轉則是依靠影片進行實作，

核心代碼：

Rotate3dAnimation.java 一個3D的旋轉影片效果，也是旋轉影片的核心

import android.graphics.Camera;
import android.graphics.Matrix;
import android.view.animation.Animation;
import android.view.animation.Transformation;

public class Rotate3dAnimation extends Animation{
    private float mCenterX,mCenterY;
    private Camera mCamera;

    private RotateListener rotateListener;

    private boolean isBack=false;
    private boolean ishalf=false;

    private float mDegree=180;

    public Rotate3dAnimation(){
    }

    public void setRotateListener(RotateListener rotateListener){
        this.rotateListener=rotateListener;
    }

    //翻轉監聽
    public void setBack(boolean back) {
        isBack = back;
    }

    //初始化位置
    @Override
    public void initialize(int width, int height, int parentWidth, int parentHeight) {
        super.initialize(width, height, parentWidth, parentHeight);
        mCamera=new Camera();
        mCenterX=(float) width/2;
        mCenterY=(float)height/2;
    }

    //影片改變
    //interpolatedTime  0~1
    @Override
    protected void applyTransformation(float interpolatedTime, Transformation t) {
        if (interpolatedTime>0.5&&interpolatedTime<=1){
            if (!ishalf){
                rotateListener.transhalf(isBack);
                ishalf=true;
            }
        }else if (interpolatedTime<0.5){
            if (ishalf){
                ishalf=false;
            }
        }//是否已過一半

        float degrees = mDegree * interpolatedTime;
        if (isBack){
            degrees =180- degrees;
        }
        mCamera.save();;
        float z;
        //Z軸高度500 默認-576
        if (interpolatedTime<0.5){
            z= 500*interpolatedTime*2;
        }else {
            z= 1000 *(1-interpolatedTime);
        }
        mCamera.translate(0,0,z);
        final Matrix matrix=t.getMatrix();
        mCamera.rotateY(degrees);
        mCamera.getMatrix(matrix);
        mCamera.restore();
        matrix.preTranslate(-mCenterX,-mCenterY);
        matrix.postTranslate(mCenterX,mCenterY);
        super.applyTransformation(interpolatedTime, t);
    }

    public interface RotateListener{
        void transhalf(boolean isback);//移動到一半 適合顯隱界面
    }
}

使用示例：

如效果圖里的登錄樣例：
LoginActivity3d.java


import androidx.cardview.widget.CardView;

import android.util.Log;
import android.view.View;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Toast;

import com.alibaba.android.arouter.facade.annotation.Route;
import com.ui.design.R;
import com.ui.design.main.base.BaseActivity;
import com.ui.design.main.constants.Constants;
import com.ui.design.view.rotateLogin3d.view.Rotate3dAnimation;

@Route(path = Constants.LoginActivity3d)
public class LoginActivity3d extends BaseActivity {

    private Rotate3dAnimation rotate3dAnimation;

    @Override
    protected int initLayout() {
        return R.layout.activity_login_activity3d;
    }

    @Override
    protected void initView() {
        Button register_bt=findViewById(R.id.register_bt);
        Button login=findViewById(R.id.login_bt);
        Button registerfinish_bt=findViewById(R.id.registerfinish_bt);
        Button backlogin_bt=findViewById(R.id.backlogin_bt);
        LinearLayout linearLayout1=findViewById(R.id.linear1);
        LinearLayout linearLayout2=findViewById(R.id.linear2);
        CardView cardView=findViewById(R.id.cardView);
        initAnimation();

        rotate3dAnimation.setRotateListener((isback) -> {
            Log.e("TEST","roate");
            if (isback){
                linearLayout1.setVisibility(View.VISIBLE);
                linearLayout2.setVisibility(View.GONE);
            }else {
                linearLayout1.setVisibility(View.GONE);
                linearLayout2.setVisibility(View.VISIBLE);
            }
        });
        register_bt.setOnClickListener(v -> {
            rotate3dAnimation.setBack(false);
            cardView.startAnimation(rotate3dAnimation);
        });

        login.setOnClickListener(v -> Toast.makeText(LoginActivity3d.this,"完成登錄操作",Toast.LENGTH_SHORT).show());

        registerfinish_bt.setOnClickListener(v -> Toast.makeText(LoginActivity3d.this,"完成注冊操作",Toast.LENGTH_SHORT).show());
        backlogin_bt.setOnClickListener(v -> {
            rotate3dAnimation.setBack(true);
            cardView.startAnimation(rotate3dAnimation);
        });
    }
    private void initAnimation(){
        rotate3dAnimation=new Rotate3dAnimation();
        rotate3dAnimation.setInterpolator(new AccelerateDecelerateInterpolator());
        rotate3dAnimation.setDuration(2000);
        rotate3dAnimation.setFillAfter(true);
    }

    @Override
    protected void initData() {

    }
}

layout:activity_login_activity3d.xml
android:rotationY=“180” //非常關鍵不然你的圖是反的

   <?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".view.rotateLogin3d.LoginActivity3d"
    android:background="@drawable/jrtt_channel_bg_channel">

    <include layout="@layout/title_include" />
    <androidx.cardview.widget.CardView
        android:id="@+id/cardView"
        android:layout_width="300dp"
        android:layout_height="400dp"
        android:background="@color/white"
        app:cardCornerRadius="5dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <LinearLayout
            android:id="@+id/linear1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:orientation="vertical">

            <androidx.appcompat.widget.AppCompatTextView
                android:id="@+id/loginText"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:text="登陸頁"
                android:textColor="@color/black"
                android:textSize="15sp" />



                <androidx.appcompat.widget.AppCompatEditText
                    android:layout_width="250dp"
                    android:layout_height="40dp"
                    android:inputType="text"
                    android:layout_marginTop="20dp"
                    android:paddingStart="20dp"
                    android:paddingEnd="20dp"
                    android:background="@drawable/ic_radius_15dp_black_stroke"
                    android:textColor="@color/black"
                    android:hint="用戶名"
                    android:textSize="12sp" />

                <androidx.appcompat.widget.AppCompatEditText
                    android:layout_width="250dp"
                    android:layout_height="40dp"
                    android:inputType="text"
                    android:layout_marginTop="10dp"
                    android:paddingStart="20dp"
                    android:paddingEnd="20dp"
                    android:background="@drawable/ic_radius_15dp_black_stroke"
                    android:textColor="@color/black"
                    android:hint="密碼"
                    android:textSize="12sp" />

            <com.google.android.material.textfield.TextInputLayout
                android:id="@+id/password_confim"
                android:visibility="gone"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="5dp"
                android:hint="密碼確認"
                app:counterEnabled="true"
                app:counterTextColor="@color/brown"
                app:hintTextColor="@color/brown">

                <androidx.appcompat.widget.AppCompatEditText
                    android:layout_width="250dp"
                    android:layout_height="wrap_content"
                    android:background="@color/white"
                    android:inputType="textPassword"
                    android:textColorHint="@color/brown"
                    android:textSize="12sp" />
            </com.google.android.material.textfield.TextInputLayout>
            <com.google.android.material.button.MaterialButton
                android:id="@+id/login_bt"
                android:layout_width="match_parent"
                android:layout_height="40dp"
                android:layout_marginTop="25dp"
                android:backgroundTint="@color/brown"
                android:text="登錄"
                android:textColor="@color/white"
                app:cornerRadius="10dp"
                app:rippleColor="@color/bisque" />

            <com.google.android.material.button.MaterialButton
                android:id="@+id/register_bt"
                android:layout_width="match_parent"
                android:layout_height="40dp"
                android:layout_marginTop="5dp"
                android:backgroundTint="@color/lightgrey"
                android:text="去注冊"
                android:textColor="@color/black"
                app:cornerRadius="10dp" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/linear2"
            android:layout_width="wrap_content"
            android:visibility="gone"
            android:rotationY="180"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:orientation="vertical">

            <androidx.appcompat.widget.AppCompatTextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center_horizontal"
                android:text="注冊頁"
                android:textColor="@color/black"
                android:textSize="15sp" />


            <androidx.appcompat.widget.AppCompatEditText
                android:layout_width="250dp"
                android:layout_height="40dp"
                android:inputType="text"
                android:layout_marginTop="20dp"
                android:paddingStart="20dp"
                android:paddingEnd="20dp"
                android:background="@drawable/ic_radius_15dp_black_stroke"
                android:textColor="@color/black"
                android:hint="新用戶名"
                android:textSize="12sp" />

            <androidx.appcompat.widget.AppCompatEditText
                android:layout_width="250dp"
                android:layout_height="40dp"
                android:inputType="text"
                android:layout_marginTop="10dp"
                android:paddingStart="20dp"
                android:paddingEnd="20dp"
                android:background="@drawable/ic_radius_15dp_black_stroke"
                android:textColor="@color/black"
                android:hint="密碼"
                android:textSize="12sp" />

            <androidx.appcompat.widget.AppCompatEditText
                android:layout_width="250dp"
                android:layout_height="40dp"
                android:inputType="text"
                android:layout_marginTop="10dp"
                android:paddingStart="20dp"
                android:paddingEnd="20dp"
                android:background="@drawable/ic_radius_15dp_black_stroke"
                android:textColor="@color/black"
                android:hint="密碼確認"
                android:textSize="12sp" />

            <com.google.android.material.button.MaterialButton
                android:id="@+id/registerfinish_bt"
                android:layout_width="match_parent"
                android:layout_height="40dp"
                android:layout_marginTop="25dp"
                android:backgroundTint="@color/brown"
                android:text="完成注冊"
                android:textColor="@color/white"
                app:cornerRadius="10dp" />
            <com.google.android.material.button.MaterialButton
                android:id="@+id/backlogin_bt"
                android:layout_width="match_parent"
                android:layout_height="40dp"
                android:layout_marginTop="5dp"
                android:backgroundTint="@color/lightgrey"
                android:text="回傳登錄"
                android:textColor="@color/black"
                app:cornerRadius="10dp" />
        </LinearLayout>
    </androidx.cardview.widget.CardView>
</androidx.constraintlayout.widget.ConstraintLayout>

專案代碼倉庫

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