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Android-通過SlidingMenu高仿微信6.2最新版手勢滑動返回(二)

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轉載請標明出處:
http://blog.csdn.net/hanhailong726188/article/details/46453627
本文出自:【海龍的博客】

一、概述

在上一篇博文中,博文地址Android-通過SlidingPaneLayout高仿微信6.2最新版手勢滑動返回(一),我們是通過官方自帶的SlidingPaneLayout來實現的手勢滑動返回。在這篇博文中,我們將採用SlidingMenu來高仿。

事實上實現的原理都一樣。僅僅只是是把SlidingPaneLayout換成SlidingMenu而已,只是SlidingMenu本身的功能比官方自帶的強大,不僅能夠實現像微信一樣的邊緣滑動返回,還支持全屏幕滑動返回。

你還能夠加入動畫效果。只是這裏筆者業務時間不多。這裏就沒有實現!

首先來看一下效果圖,一個是邊緣滑動的,一個是全屏幕滑動,效果很贊。比我們上一篇博文中實現的還要給力些!

  • 邊緣滑動效果圖
  • 技術分享
  • 全屏幕滑動效果圖
  • 技術分享

以下我們從頭開始一步一步來實現這個手勢滑動返回效果,從新建project到引入SlidingMenu,然後通過改動Activity主題樣式、抽取出實現SwipeBack的父類BaseSwipeBackActivity等等

二、以下開始進入主題

首先肯定是通過AndroidStudio新建一個SlidingMenuSwipeBackDemoproject,然後把下好的SlidingMenu庫移到項目中,在settings.gradle文件加入這個庫,並在app內的build.gradle加入這個庫依賴

settings.gradle

include ‘:app’
include ‘:SlidingLibrary’

app內的build.gradle

compile project(":SlidingLibrary")

這裏我把SlidingMenu的庫名稱改成SlidingLibrary了。項目就差點兒相同建好了,見效果圖:

技術分享


下一步就是把我們上個博文中的一些用到的資源文件拷過來,如須要用到的動畫資源slide_in_right.xml、slide_out_right.xml、styles.xml,這裏初略的展示下styles.xml文件內容,代碼例如以下:

<style name="JK.SwipeBack.Transparent.Theme" parent="AppTheme">
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowAnimationStyle">@style/JK.Animation.SlidingBack</item>
        <item name="android:actionBarStyle">@style/JKActionBar.Custom</item>
    </style>

    <style name="JKActionBar.Custom" parent="@style/Widget.AppCompat.Light.ActionBar.Solid.Inverse">
        <item name="displayOptions">showCustom</item>
        <item name="android:background">@android:color/transparent</item>
        <item name="background">@android:color/transparent</item>
        <item name="android:displayOptions" tools:ignore="NewApi">showCustom</item>
        <item name="android:height">?

actionBarSize</item> </style> <style name="JK.Animation.SlidingBack" parent="@android:style/Animation.Activity"> <item name="android:activityOpenEnterAnimation">@anim/slide_in_right</item> <item name="android:activityOpenExitAnimation">@anim/slide_out_right</item> <item name="android:activityCloseEnterAnimation">@anim/slide_in_right</item> <item name="android:activityCloseExitAnimation">@anim/slide_out_right</item> <item name="android:wallpaperOpenEnterAnimation">@anim/slide_in_right</item> <item name="android:wallpaperOpenExitAnimation">@anim/slide_out_right</item> <item name="android:wallpaperCloseEnterAnimation">@anim/slide_in_right</item> <item name="android:wallpaperCloseExitAnimation">@anim/slide_out_right</item> <item name="android:wallpaperIntraOpenEnterAnimation">@anim/slide_in_right</item> <item name="android:wallpaperIntraOpenExitAnimation">@anim/slide_out_right</item> <item name="android:wallpaperIntraCloseEnterAnimation">@anim/slide_in_right</item> <item name="android:wallpaperIntraCloseExitAnimation">@anim/slide_out_right</item> </style>

接下來我們創建BaseSwipeBackActivity這個基類。全部實現手勢滑動返回的類繼承自它就OK了,不須要手勢滑動的不須要繼承它。大招來了,看BaseSwipeBackActivity源代碼文件。由於代碼凝視的比較具體,這裏我就直接貼代碼了,代碼很的簡單

package com.hhl.slidingmenuswipebackdemo;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;

import com.jeremyfeinstein.slidingmenu.lib.SlidingMenu;
import com.jeremyfeinstein.slidingmenu.lib.app.SlidingActivityHelper;

/**
 * Created by hailonghan on 15/6/11.
 */
public abstract class BaseSwipeBackActivity extends AppCompatActivity implements SlidingMenu.OnOpenedListener {

    private SlidingActivityHelper mHelper;
    //SlidingMenu
    private SlidingMenu mSlidingMenu;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        mHelper = new SlidingActivityHelper(this);
        mHelper.onCreate(savedInstanceState);

        //這裏借用了SlidingMenu的setBehindContentView方法來設置一個透明菜單
        View behindView = new View(this);
        behindView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
        behindView.setBackgroundColor(getResources().getColor(android.R.color.transparent));
        setBehindContentView(behindView);

        mSlidingMenu = getSlidingMenu();
        //設置陰影寬度為10個px
        mSlidingMenu.setShadowWidth(10);
        //設置陰影
        mSlidingMenu.setShadowDrawable(R.drawable.slide_shadow);
        //設置以下的布局,也就是我們上面定義的透明菜單離右邊屏幕邊緣的距離為0,也就是滑動開以後菜單會全屏幕顯示
        mSlidingMenu.setBehindOffset(0);
        mSlidingMenu.setFadeDegree(0.35f);
        //菜單打開監聽。由於菜單打開後我們要finish掉當前的Activity
        mSlidingMenu.setOnOpenedListener(this);

        //設置手勢滑動方向。由於我們要實現微信那種右滑動的效果,這裏設置成SlidingMenu.LEFT模式
        mSlidingMenu.setMode(SlidingMenu.LEFT);
        //由於微信是僅僅有邊緣滑動。我們設置成TOUCHMODE_MARGIN模式,假設你想要全屏幕滑動,僅僅須要把這個改成TOUCHMODE_FULLSCREEN就OK了
        mSlidingMenu.setTouchModeAbove(SlidingMenu.TOUCHMODE_MARGIN);
        super.onCreate(savedInstanceState);
    }

    @Override
    public void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        mHelper.onPostCreate(savedInstanceState);
    }

    @Override
    public boolean onSupportNavigateUp() {
        return true;
    }

    @Override
    public View findViewById(int id) {
        View v = super.findViewById(id);
        if (v != null)
            return v;
        return mHelper.findViewById(id);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        mHelper.onSaveInstanceState(outState);
    }

    @Override
    public void setContentView(int id) {
        setContentView(getLayoutInflater().inflate(id, null));
    }

    @Override
    public void setContentView(View v) {
        setContentView(v, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    }

    @Override
    public void setContentView(View v, ViewGroup.LayoutParams params) {
        super.setContentView(v, params);
        mHelper.registerAboveContentView(v, params);
    }

    public void setBehindContentView(int id) {
        setBehindContentView(getLayoutInflater().inflate(id, null));
    }

    public void setBehindContentView(View v) {
        setBehindContentView(v, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    }

    public void setBehindContentView(View v, ViewGroup.LayoutParams params) {
        mHelper.setBehindContentView(v, params);
    }

    public SlidingMenu getSlidingMenu() {
        return mHelper.getSlidingMenu();
    }

    public void toggle() {
        mHelper.toggle();
    }

    public void showContent() {
        mHelper.showContent();
    }

    public void showMenu() {
        mHelper.showMenu();
    }

    public void showSecondaryMenu() {
        mHelper.showSecondaryMenu();
    }

    public void setSlidingActionBarEnabled(boolean b) {
        mHelper.setSlidingActionBarEnabled(b);
    }

    @Override
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        boolean b = mHelper.onKeyUp(keyCode, event);
        if (b) return b;
        return super.onKeyUp(keyCode, event);
    }

    //滑動全然打開菜單後結束掉當前的Activity
    @Override
    public void onOpened() {
        this.finish();
    }

    @Override
    public void finish() {
        super.finish();
        this.overridePendingTransition(0, R.anim.slide_out_right);
    }
}

這裏須要註意的是。你假設想要邊緣滑動返回,僅僅須要將SlidingMenu的滑動模式改成TOUCHMODE_MARGIN就能夠了,全屏幕滑動的話改成TOUCHMODE_FULLSCREEN就OK了


寫到這基本上就差點兒相同了,我感覺沒啥難度的,就是把Activity的樣式改成透明,抽取出一個父類BaseSwipeBackActivity。在父類裏面加入SlidingMenu。將左菜單設置成透明,然後菜單全然打開後finish掉當前的Activity


最後附上github源代碼下載地址github

Android-通過SlidingMenu高仿微信6.2最新版手勢滑動返回(二)