Android-自定義滑動菜單(抽屜效果)

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來自: MrlLee 分類: Android精品源碼 上傳時間: 2016-5-27 15:53:43
Tag:Android 自定義 滑動 菜單 抽屜效果

項目介紹:

在Andoird使用Android自帶的那些組件,像SlidingDrawer和DrawerLayout都是抽屜效果的菜單,但是在項目很多要實現的功能都收到Android這些自帶組件的限制,導致很難完成項目的需求,自定義的組件,各方面都在自己的控制之下,從而根據需求做出調整。想要實現好的效果,基本上都的基于Android的OnTouch事件自己實現響應的功能。
首先,給大家先看一下整體的效果:


滑動的加速度效果都是有的,具體的體驗,只能安裝后才能查看。
接下來,看代碼:
代碼從MainActivity延伸出了2個類:MainController和MainView,MainController來處理控制層、MainView來操作展示層。
主要代碼:
MainActivity的代碼:
[Java] 查看源文件 復制代碼
package com.example.wz;

import com.example.wz.controller.MainController;
import com.example.wz.util.MyLog;
import com.example.wz.view.MainView;

import android.app.Activity;
import android.os.Bundle;
import android.view.MotionEvent;

public class MainActivity extends Activity {

    public MyLog log = new MyLog(this, true);

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        log.e("歡迎你加入測試項目.");
        link();
    }

    public MainController mainController;
    public MainView mainView;

    private void link() {
        this.mainController = new MainController(this);
        this.mainView = new MainView(this);

        this.mainController.thisView = this.mainView;
        this.mainView.thisController = this.mainController;

        this.mainView.initViews();
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        super.onTouchEvent(event);
        return mainController.onTouchEvent(event);
    }
}

MainController的代碼:
[Java] 查看源文件 復制代碼
package com.example.wz.controller;

import android.view.GestureDetector;
import android.view.GestureDetector.SimpleOnGestureListener;
import android.view.MotionEvent;

import com.example.wz.MainActivity;
import com.example.wz.util.MyLog;
import com.example.wz.util.OpenLooper;
import com.example.wz.util.OpenLooper.LoopCallback;
import com.example.wz.view.MainView;

public class MainController {

    public MyLog log = new MyLog(this, true);

    public MainActivity mainActivity;
    public MainController thisController;
    public MainView thisView;

    public GestureDetector mGesture;

    public MainController(MainActivity mainActivity) {
        this.mainActivity = mainActivity;
        this.thisController = this;

        mGesture = new GestureDetector(mainActivity, new GestureListener());
        openLooper = new OpenLooper();
        openLooper.createOpenLooper();
        loopCallback = new ListLoopCallback(openLooper);
        openLooper.loopCallback = loopCallback;
    }

    public class TouchStatus {
        public int None = 4, Down = 1, Horizontal = 2, Vertical = 3, Up = 4;// LongPress = 5
        public int state = None;
    }

    public TouchStatus touchStatus = new TouchStatus();

    public class BodyStatus {
        public int Fixed = 0, Dragging = 1, Homing = 2, FlingHoming = 3, BoundaryHoming = 4;
        public int state = Fixed;
    }

    public BodyStatus bodyStatus = new BodyStatus();

    public class DrawStatus {
        public int Closed = 0, Open = 1, GoClosing = 2, GoOpening = 3;
        public int state = Closed;
    }

    public DrawStatus drawStatus = new DrawStatus();

    public class AreaStatus {
        public int A = 0, B = 1;
        public int state = A;
    }

    public AreaStatus areaStatus = new AreaStatus();

    public float touch_pre_x;
    public float touch_pre_y;

    public float currentTranslateX;

    public boolean onTouchEvent(MotionEvent event) {
        int action = event.getAction();

        float x = event.getX();
        float y = event.getY();

        if (action == MotionEvent.ACTION_DOWN) {
            this.touch_pre_x = x;
            this.touch_pre_y = y;

            if (touchStatus.state == touchStatus.None) {
                touchStatus.state = touchStatus.Down;
                log.e("Down ");
                if (x > thisView.maxTranslateX) {
                    areaStatus.state = areaStatus.B;
                } else if (x <= thisView.maxTranslateX) {
                    areaStatus.state = areaStatus.A;
                }
            }
        } else if (action == MotionEvent.ACTION_MOVE) {
            float Δy = (y - touch_pre_y);
            float Δx = (x - touch_pre_x);
            if (touchStatus.state == touchStatus.Down) {
                if (Δx * Δx + Δy * Δy > 400) {
                    if (Δx * Δx > Δy * Δy) {
                        touchStatus.state = touchStatus.Horizontal;
                    } else {
                        touchStatus.state = touchStatus.Vertical;
                    }
                    touch_pre_x = x;
                    touch_pre_y = y;
                    log.e("ACTION_MOVE ");
                }
            } else if (touchStatus.state == touchStatus.Horizontal) {
                currentTranslateX += Δx;
                this.touch_pre_x = x;
                this.touch_pre_y = y;
                if (currentTranslateX - thisView.maxTranslateX <= 0 && currentTranslateX >= 0) {
                    setPosition();
                }
                log.e("Horizontal");
                bodyStatus.state = bodyStatus.Dragging;
            } else if (touchStatus.state == touchStatus.Vertical) {
                log.e("Vertical");
                bodyStatus.state = bodyStatus.Dragging;
            }
        } else if (action == MotionEvent.ACTION_UP) {
            log.e("ACTION_UP");
            if (bodyStatus.state == bodyStatus.Dragging) {
                if (touchStatus.state == touchStatus.Horizontal) {
                    bodyStatus.state = bodyStatus.Homing;
                    openLooper.start();
                } else if (touchStatus.state == touchStatus.Vertical) {
                    if (drawStatus.state == drawStatus.Open && areaStatus.state == areaStatus.B) {
                        bodyStatus.state = bodyStatus.Homing;
                        drawStatus.state = drawStatus.GoClosing;
                        openLooper.start();
                    }
                }
            } else if (touchStatus.state == touchStatus.Down && areaStatus.state == areaStatus.B) {
                bodyStatus.state = bodyStatus.Homing;
                drawStatus.state = drawStatus.GoClosing;
                openLooper.start();
            }
            touchStatus.state = touchStatus.Up;
        }
        mGesture.onTouchEvent(event);
        return true;
    }

    class GestureListener extends SimpleOnGestureListener {

        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
            if (velocityX * velocityX + velocityY * velocityY > 250000) {
                if (velocityX * velocityX > velocityY * velocityY) {
                    log.e("velocityX--" + velocityX);
                    if (drawStatus.state == drawStatus.Closed && velocityX < 0) {
                    } else if (drawStatus.state == drawStatus.Open && velocityX > 0) {
                    } else {
                        dxSpeed = velocityX;
                        bodyStatus.state = bodyStatus.FlingHoming;
                        openLooper.start();
                    }
                } else {
                    log.e("velocityY");
                }
            }
            return true;
        }

        public void onLongPress(MotionEvent event) {
        }

        public boolean onDoubleTap(MotionEvent event) {
            return false;
        }

        public boolean onDoubleTapEvent(MotionEvent event) {
            return false;
        }

        public boolean onSingleTapUp(MotionEvent event) {
            return false;
        }

        @Override
        public boolean onSingleTapConfirmed(MotionEvent event) {
            return false;
        }

        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
            return false;
        }
    }

    public void setPosition() {
        thisView.v1.setTranslationX(currentTranslateX - thisView.maxTranslateX);
        thisView.v2.setTranslationX(Math.abs(currentTranslateX));
    }

    float transleteSpeed = 3f;
    OpenLooper openLooper = null;
    LoopCallback loopCallback = null;

    public class ListLoopCallback extends LoopCallback {
        public ListLoopCallback(OpenLooper openLooper) {
            openLooper.super();
        }

        @Override
        public void loop(double ellapsedMillis) {
            if (bodyStatus.state == bodyStatus.Homing) {
                hommingView((float) ellapsedMillis);
            } else if (bodyStatus.state == bodyStatus.FlingHoming) {
                flingHomingView((float) ellapsedMillis);
            }
        }
    }

    public float ratio = 0.0008f;

    public void flingHomingView(float ellapsedMillis) {
        float distance = (float) ellapsedMillis * transleteSpeed;
        boolean isStop = false;
        if (drawStatus.state == drawStatus.Closed) {
            drawStatus.state = drawStatus.GoOpening;
        } else if (drawStatus.state == drawStatus.Open) {
            drawStatus.state = drawStatus.GoClosing;
        }
        if (drawStatus.state == drawStatus.GoClosing) {
            this.currentTranslateX -= distance;
            if (this.currentTranslateX <= 0) {
                this.currentTranslateX = 0;
                drawStatus.state = drawStatus.Closed;
                isStop = true;
                log.e("-------------1");
            }
        } else if (drawStatus.state == drawStatus.GoOpening) {
            this.currentTranslateX += distance;
            if (this.currentTranslateX >= thisView.maxTranslateX) {
                this.currentTranslateX = thisView.maxTranslateX;
                drawStatus.state = drawStatus.Open;
                isStop = true;
                log.e("-------------2");
            }
        }
        setPosition();
        if (isStop) {
            openLooper.stop();
        }
    }

    public float dxSpeed;

    public void dampenSpeed(long deltaMillis) {

        if (this.dxSpeed != 0.0f) {
            this.dxSpeed *= (1.0f - 0.002f * deltaMillis);
            if (Math.abs(this.dxSpeed) < 50f)
                this.dxSpeed = 0.0f;
        }
    }

    public void hommingView(float ellapsedMillis) {
        float distance = (float) ellapsedMillis * transleteSpeed;
        boolean isStop = false;
        if (drawStatus.state == drawStatus.Closed && this.currentTranslateX < thisView.maxTranslateX / 5) {
            this.currentTranslateX -= distance;
            if (this.currentTranslateX <= 0) {
                this.currentTranslateX = 0;
                drawStatus.state = drawStatus.Closed;
                isStop = true;
            }
        } else if (drawStatus.state == drawStatus.Closed && this.currentTranslateX >= thisView.maxTranslateX / 5) {
            this.currentTranslateX += distance;
            if (this.currentTranslateX >= thisView.maxTranslateX) {
                this.currentTranslateX = thisView.maxTranslateX;
                drawStatus.state = drawStatus.Open;
                isStop = true;
            }
        } else if (drawStatus.state == drawStatus.Open && this.currentTranslateX < thisView.maxTranslateX / 5 * 4) {
            this.currentTranslateX -= distance;
            if (this.currentTranslateX <= 0) {
                this.currentTranslateX = 0;
                drawStatus.state = drawStatus.Closed;
                isStop = true;
            }
        } else if (drawStatus.state == drawStatus.Open && this.currentTranslateX >= thisView.maxTranslateX / 5 * 4) {
            this.currentTranslateX += distance;
            if (this.currentTranslateX >= thisView.maxTranslateX) {
                this.currentTranslateX = thisView.maxTranslateX;
                drawStatus.state = drawStatus.Open;
                isStop = true;
            }
        } else if (drawStatus.state == drawStatus.GoClosing) {
            this.currentTranslateX -= distance;
            if (this.currentTranslateX <= 0) {
                this.currentTranslateX = 0;
                drawStatus.state = drawStatus.Closed;
                isStop = true;
            }
        }
        setPosition();
        if (isStop) {
            openLooper.stop();
            log.e("looper stop...");
        }
    }

}

MainView的代碼:
[Java] 查看源文件 復制代碼
package com.example.wz.view;

import android.graphics.Color;
import android.util.DisplayMetrics;
import android.view.ViewGroup.LayoutParams;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.example.wz.MainActivity;
import com.example.wz.R;
import com.example.wz.controller.MainController;
import com.example.wz.util.MyLog;

public class MainView {

    public MyLog log = new MyLog(this, true);

    public MainActivity mainActivity;
    public MainController thisController;
    public MainView thisView;

    public MainView(MainActivity mainActivity) {
        this.mainActivity = mainActivity;
        this.thisView = this;
    }

    public DisplayMetrics displayMetrics;

    public float screenWidth;
    public float screenHeight;
    public float density;

    public float maxTranslateX;

    public RelativeLayout maxView;
    public RelativeLayout v1;
    public RelativeLayout v2;

    public void initViews() {
        this.displayMetrics = new DisplayMetrics();
        this.mainActivity.getWindowManager().getDefaultDisplay().getMetrics(this.displayMetrics);
        this.screenHeight = this.displayMetrics.heightPixels;
        this.screenWidth = this.displayMetrics.widthPixels;
        this.density = this.displayMetrics.density;
        this.maxTranslateX = this.screenWidth * 0.8f;
        this.mainActivity.setContentView(R.layout.activity_main);
        this.maxView = (RelativeLayout) this.mainActivity.findViewById(R.id.maxView);
        v1 = new RelativeLayout(mainActivity);
        v1.setBackgroundColor(Color.RED);
        RelativeLayout.LayoutParams params1 = new RelativeLayout.LayoutParams((int) this.maxTranslateX, LayoutParams.MATCH_PARENT);
        this.maxView.addView(v1, params1);
        TextView t1 = new TextView(mainActivity);
        t1.setText("left menu bar");
        t1.setTextColor(Color.WHITE);
        v1.addView(t1);
        v1.setTranslationX(0 - this.maxTranslateX);
        v2 = new RelativeLayout(mainActivity);
        v2.setBackgroundColor(Color.parseColor("#0099cd"));
        RelativeLayout.LayoutParams params2 = new RelativeLayout.LayoutParams((int) this.screenWidth, LayoutParams.MATCH_PARENT);
        this.maxView.addView(v2, params2);
        v2.setTranslationX(0);
        TextView t2 = new TextView(mainActivity);
        t2.setText("body content");
        t2.setTextColor(Color.WHITE);
        v2.addView(t2);
    }
}

日志管理類MyLog:
[Java] 查看源文件 復制代碼
package com.example.wz.util;

import android.util.Log;

public class MyLog {

    public static boolean isGlobalTurnOn = true;

    public boolean isTurnOn = true;
    public String tag = null;

    public MyLog(String tag, boolean isTurnOn) {
        this.tag = tag;
        this.isTurnOn = isTurnOn;
    }

    public MyLog(Object clazz, boolean isTurnOn) {
        this.tag = clazz.getClass().getSimpleName();
        this.isTurnOn = isTurnOn;
    }

    public void v(String message) {
        this.v(this.tag, message);
    }

    public void d(String message) {
        this.d(this.tag, message);
    }

    public void i(String message) {
        this.i(this.tag, message);
    }

    public void w(String message) {
        this.w(this.tag, message);
    }

    public void e(String message) {
        this.e(this.tag, message);
    }

    public void v(String tag, String message) {
        if (isTurnOn && isGlobalTurnOn) {
            Log.v(tag, message);
        }
    }

    public void d(String tag, String message) {
        if (isTurnOn && isGlobalTurnOn) {
            Log.d(tag, message);
        }
    }

    public void i(String tag, String message) {
        if (isTurnOn && isGlobalTurnOn) {
            Log.i(tag, message);
        }
    }

    public void w(String tag, String message) {
        if (isTurnOn && isGlobalTurnOn) {
            Log.w(tag, message);
        }
    }

    public void e(String tag, String message) {
        if (isTurnOn && isGlobalTurnOn) {
            Log.e(tag, message);
        }
    }

}

實現動畫效果的核心類OpenLooper:
[Java] 查看源文件 復制代碼
package com.example.wz.util;

import android.annotation.TargetApi;
import android.os.Build;
import android.os.Handler;
import android.os.SystemClock;
import android.view.Choreographer;

public class OpenLooper {

    public LegacyAndroidSpringLooper legacyAndroidSpringLooper = null;
    public ChoreographerAndroidSpringLooper choreographerAndroidSpringLooper = null;
    public LoopCallback loopCallback = null;

    public void createOpenLooper() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            choreographerAndroidSpringLooper = new ChoreographerAndroidSpringLooper();
        } else {
            legacyAndroidSpringLooper = new LegacyAndroidSpringLooper();
        }
    }

    public void start() {
        if (choreographerAndroidSpringLooper != null) {
            choreographerAndroidSpringLooper.start();
        } else if (legacyAndroidSpringLooper != null) {
            legacyAndroidSpringLooper.start();
        }
    }

    public void stop() {
        if (choreographerAndroidSpringLooper != null) {
            choreographerAndroidSpringLooper.stop();
        } else if (legacyAndroidSpringLooper != null) {
            legacyAndroidSpringLooper.stop();
        }
    }

    public class LoopCallback {

        public void loop(double ellapsedMillis) {

        }
    }

    public void loop(double ellapsedMillis) {
        if (this.loopCallback != null) {
            this.loopCallback.loop(ellapsedMillis);
        }
    }

    public class LegacyAndroidSpringLooper {

        public Handler mHandler;
        public Runnable mLooperRunnable;
        public boolean mStarted;
        public long mLastTime;

        public LegacyAndroidSpringLooper() {
            initialize(new Handler());
        }

        public void initialize(Handler handler) {
            mHandler = handler;
            mLooperRunnable = new Runnable() {
                @Override
                public void run() {
                    if (!mStarted) {
                        return;
                    }
                    long currentTime = SystemClock.uptimeMillis();
                    loop(currentTime - mLastTime);
                    mHandler.post(mLooperRunnable);
                }
            };
        }

        public void start() {
            if (mStarted) {
                return;
            }
            mStarted = true;
            mLastTime = SystemClock.uptimeMillis();
            mHandler.removeCallbacks(mLooperRunnable);
            mHandler.post(mLooperRunnable);
        }

        public void stop() {
            mStarted = false;
            mHandler.removeCallbacks(mLooperRunnable);
        }
    }

    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
    public class ChoreographerAndroidSpringLooper {

        public Choreographer mChoreographer;
        public Choreographer.FrameCallback mFrameCallback;
        public boolean mStarted;
        public long mLastTime;

        public ChoreographerAndroidSpringLooper() {
            initialize(Choreographer.getInstance());
        }

        public void initialize(Choreographer choreographer) {
            mChoreographer = choreographer;
            mFrameCallback = new Choreographer.FrameCallback() {
                @Override
                public void doFrame(long frameTimeNanos) {
                    if (!mStarted) {
                        return;
                    }
                    long currentTime = SystemClock.uptimeMillis();
                    loop(currentTime - mLastTime);
                    mLastTime = currentTime;
                    mChoreographer.postFrameCallback(mFrameCallback);
                }
            };
        }

        public void start() {
            if (mStarted) {
                return;
            }
            mStarted = true;
            mLastTime = SystemClock.uptimeMillis();
            mChoreographer.removeFrameCallback(mFrameCallback);
            mChoreographer.postFrameCallback(mFrameCallback);
        }

        public void stop() {
            mStarted = false;
            mChoreographer.removeFrameCallback(mFrameCallback);
        }
    }
}

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