Material Design實戰

時間  2019-11-17
標籤 material design 實戰 简体版
原文   原文鏈接

Material Design簡介

Material Design是谷歌設計師基於傳統的設計原則，結合豐富的創意和科學技術所發明的一套全新的界面設計語言，包含了視覺、運動、互動效果等特性javascript

Toolbar

建立項目時，默認顯示ActionBar。咱們用Toolbar來代替ActionBar，所以須要指定一個不帶ActionBar的主題java

有兩種：android

  • Theme.AppCompat.NoActionBar:深色主題，將界面主體顏色設成深色，襯托顏色設爲淡色
  • Theme.AppCompat.Light.NoActionBar:淡色主體，將界面主體顏色設成淡色，襯托顏色設爲深色

activity_main.xmlgit

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent"> <android.support.v7.widget.Toolbar android:id="@+id/toolbar" android:layout_width="match_parent" android:layout_height="?attr/actionBarSize" android:background="?attr/colorPrimary" app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar" app:popupTheme="@style/ThemeOverlay.AppCompat.Light"/> </LinearLayout>複製代碼

MainActivity.javagithub

package com.zhoujian.materialdesign;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar)findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.toolbar,menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {
            case R.id.backup:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.delete:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.settings:
                break;

            default:
        }
        return true;
    }
}複製代碼

這裏寫圖片描述

DrawerLayout

DrawerLayout是一個佈局，能夠直接放入兩個直接子控件，第一個是主屏幕的內容，第二個是滑動菜單中的內容app

activity_main.xmlide

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
            app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>

    </FrameLayout>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:background="#fff"
        android:text="menu菜單"/>
</android.support.v4.widget.DrawerLayout>複製代碼

MainActivity.java佈局

package com.zhoujian.materialdesign;

import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private  Toolbar toolbar;
    private   DrawerLayout  mDrawerLayout;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        toolbar = (Toolbar)findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        mDrawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout);
        ActionBar mActionBar = getSupportActionBar();

        if(mActionBar!=null)
        {
            mActionBar.setDisplayHomeAsUpEnabled(true);
            mActionBar.setHomeAsUpIndicator(R.mipmap.ic_menu);
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.toolbar,menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {

            case android.R.id.home:
                mDrawerLayout.openDrawer(GravityCompat.START);
                break;
            case R.id.backup:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.delete:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.settings:
                break;

            default:
        }
        return true;
    }
}複製代碼

這裏寫圖片描述

activity_main.xmlui

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
            app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>

    </FrameLayout>

    <android.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        app:headerLayout="@layout/nav_header"
        app:menu="@menu/nav_menu" />

</android.support.v4.widget.DrawerLayout>複製代碼

MainActivity.javathis

package com.zhoujian.materialdesign;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private  Toolbar toolbar;
    private   DrawerLayout  mDrawerLayout;

    private NavigationView mNavigationView;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        toolbar = (Toolbar)findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        mDrawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout);
        ActionBar mActionBar = getSupportActionBar();

        if(mActionBar!=null)
        {
            mActionBar.setDisplayHomeAsUpEnabled(true);
            mActionBar.setHomeAsUpIndicator(R.mipmap.ic_menu);
        }

        mNavigationView = (NavigationView)findViewById(R.id.nav_view);


        mNavigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem item) {

                mDrawerLayout.closeDrawers();

                return true;
            }
        });

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.toolbar,menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {

            case android.R.id.home:
                mDrawerLayout.openDrawer(GravityCompat.START);
                break;
            case R.id.backup:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.delete:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.settings:
                break;

            default:
        }
        return true;
    }
}複製代碼

這裏寫圖片描述

FloatingActionButton:懸浮按鈕

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
            app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>


        <!--elevation:指定懸浮高度，高度越大，投影效果越談-->
        <android.support.design.widget.FloatingActionButton
            android:id="@+id/fab"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|end"
            android:layout_margin="16dp"
            app:elevation="5dp"
            android:src="@mipmap/ic_done" />

    </FrameLayout>

    <android.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        app:headerLayout="@layout/nav_header"
        app:menu="@menu/nav_menu" />

</android.support.v4.widget.DrawerLayout>複製代碼

MainActivity.java

package com.zhoujian.materialdesign;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private  Toolbar toolbar;
    private   DrawerLayout  mDrawerLayout;

    private NavigationView mNavigationView;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        toolbar = (Toolbar)findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        mDrawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout);
        ActionBar mActionBar = getSupportActionBar();

        if(mActionBar!=null)
        {
            mActionBar.setDisplayHomeAsUpEnabled(true);
            mActionBar.setHomeAsUpIndicator(R.mipmap.ic_menu);
        }

        mNavigationView = (NavigationView)findViewById(R.id.nav_view);


        mNavigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem item) {

                mDrawerLayout.closeDrawers();

                return true;
            }
        });




        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view)
            {
                Toast.makeText(MainActivity.this, "懸浮按鈕被點擊了", Toast.LENGTH_SHORT).show();

            }
        });

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.toolbar,menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {

            case android.R.id.home:
                mDrawerLayout.openDrawer(GravityCompat.START);
                break;
            case R.id.backup:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.delete:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.settings:
                break;

            default:
        }
        return true;
    }
}複製代碼

這裏寫圖片描述

CoordinatorLayout

CoordinatorLayout是一個增強版的FrameLayout

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <android.support.design.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
            app:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"/>


        <!--elevation:指定懸浮高度，高度越大，投影效果越談-->
        <android.support.design.widget.FloatingActionButton
            android:id="@+id/fab"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|end"
            android:layout_margin="16dp"
            app:elevation="5dp"
            android:src="@mipmap/ic_done" />

    </android.support.design.widget.CoordinatorLayout>

    <android.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        app:headerLayout="@layout/nav_header"
        app:menu="@menu/nav_menu" />

</android.support.v4.widget.DrawerLayout>複製代碼

MainActivity.java

package com.zhoujian.materialdesign;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.NavigationView;
import android.support.design.widget.Snackbar;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private  Toolbar toolbar;

    private   DrawerLayout  mDrawerLayout;

    private NavigationView mNavigationView;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        toolbar = (Toolbar)findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        mDrawerLayout = (DrawerLayout)findViewById(R.id.drawer_layout);
        ActionBar mActionBar = getSupportActionBar();

        if(mActionBar!=null)
        {
            mActionBar.setDisplayHomeAsUpEnabled(true);
            mActionBar.setHomeAsUpIndicator(R.mipmap.ic_menu);
        }

        mNavigationView = (NavigationView)findViewById(R.id.nav_view);


        mNavigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem item) {

                mDrawerLayout.closeDrawers();

                return true;
            }
        });




        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view)
            {
                //Toast.makeText(MainActivity.this, "懸浮按鈕被點擊了", Toast.LENGTH_SHORT).show();

                Snackbar.make(view, "你好！", Snackbar.LENGTH_SHORT)
                        .setAction("發送", new View.OnClickListener()
                        {
                            @Override
                            public void onClick(View v) {
                                Toast.makeText(MainActivity.this, "消息已發送！", Toast.LENGTH_SHORT).show();
                            }
                        }).show();
            }
        });

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu)
    {
        getMenuInflater().inflate(R.menu.toolbar,menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {

            case android.R.id.home:
                mDrawerLayout.openDrawer(GravityCompat.START);
                break;
            case R.id.backup:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.delete:
                Toast.makeText(this, "按鈕被點擊了", Toast.LENGTH_SHORT).show();
                break;
            case R.id.settings:
                break;

            default:
        }
        return true;
    }
}複製代碼

這裏寫圖片描述

CardView

用於實現卡片式佈局效果，能夠實現圓角和陰影效果，看上去有立體的效果。

picture_item.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="5dp"
    app:cardCornerRadius="4dp">

    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <ImageView
            android:id="@+id/picture_image"
            android:layout_width="match_parent"
            android:layout_height="250dp"
            android:scaleType="centerCrop" />

        <TextView
            android:id="@+id/picture_name"
            android:layout_width="wrap_content"
            android:paddingTop="15dp"
            android:paddingBottom="15dp"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:layout_margin="5dp"
            android:textSize="16sp" />
    </LinearLayout>

</android.support.v7.widget.CardView>複製代碼

實現的效果：

這裏寫圖片描述

每個item都是一個CardView

AppBarLayout

AppBarLayout其實是一個線性佈局，內部封裝了不少的滾動事件

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <android.support.design.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <android.support.design.widget.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="?attr/colorPrimary"
                android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                app:layout_scrollFlags="scroll|enterAlways|snap" />
        </android.support.design.widget.AppBarLayout>

        <android.support.v4.widget.SwipeRefreshLayout
            android:id="@+id/swipe_refresh"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior">

            <android.support.v7.widget.RecyclerView
                android:id="@+id/recycler_view"
                android:layout_width="match_parent"
                android:layout_height="match_parent" />
        </android.support.v4.widget.SwipeRefreshLayout>

        <android.support.design.widget.FloatingActionButton
            android:id="@+id/fab"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|end"
            android:layout_margin="16dp"
            android:src="@mipmap/ic_done" />
    </android.support.design.widget.CoordinatorLayout>



    <android.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        app:headerLayout="@layout/nav_header"
        app:menu="@menu/nav_menu" />

</android.support.v4.widget.DrawerLayout>複製代碼

將Toolbal放在了AppBarLayout裏面，而後在RecycleView對應的下拉刷新控件中使用了 app:layout_behavior="@string/appbar_scrolling_view_behavior"這個屬性，appbar_scrolling_view_behavior這個字符串是由Design庫提供的。

當AppBarLayout接收到滾動事件時，它內部的子控件能夠指定如何去影響這些事件，經過app:layout_scrollFlags屬性就能實現。
app:layout_scrollFlags="scroll|enterAlways|snap"

scroll：表示當RecycleView向上滾動的時候，Toolbar會隨着一塊兒向上滾動並實現隱藏

enterAlways：表示當RecycleView向下滾動的時候，Toolbar會隨着一塊兒向下滾動並從新顯示

snap：表示當Toolbar尚未徹底隱藏或顯示的時候，會根據當前滾動的距離，自動選擇隱藏仍是顯示。

這裏寫圖片描述

CollapsingToolbarLayout

CollapsingToolbarLayout是一個做用於Toolbar基礎之上的佈局，CollapsingToolbarLayout是不能獨立存在的，只能做爲AppBarLayout的直接子佈局來使用，AppBarLayout又必須是CoordinatorLayout的子佈局

activity_picture.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appBar"
        android:layout_width="match_parent"
        android:layout_height="300dp"
        android:fitsSystemWindows="true">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsing_toolbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
            android:fitsSystemWindows="true"
            app:contentScrim="?attr/colorPrimary"
            app:layout_scrollFlags="scroll|exitUntilCollapsed">

            <ImageView
                android:id="@+id/image_view"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="centerCrop"
                android:fitsSystemWindows="true"
                app:layout_collapseMode="parallax" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                app:layout_collapseMode="pin" />
        </android.support.design.widget.CollapsingToolbarLayout>
    </android.support.design.widget.AppBarLayout>

    <android.support.v4.widget.NestedScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <LinearLayout
            android:orientation="vertical"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <android.support.v7.widget.CardView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="15dp"
                android:layout_marginLeft="15dp"
                android:layout_marginRight="15dp"
                android:layout_marginTop="35dp"
                app:cardCornerRadius="4dp">

                <TextView
                    android:id="@+id/fruit_content_text"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:textSize="16sp"
                    android:text="@string/content"
                    android:layout_margin="5dp" />
            </android.support.v7.widget.CardView>
        </LinearLayout>
    </android.support.v4.widget.NestedScrollView>

    <android.support.design.widget.FloatingActionButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="16dp"
        android:src="@mipmap/ic_comment"
        app:layout_anchor="@id/appBar"
        app:layout_anchorGravity="bottom|end" />
</android.support.design.widget.CoordinatorLayout>複製代碼

實現的效果：

這裏寫圖片描述

總結

以上就是關於Material Design實戰的內容，最後給出一個完整的demo

Demo的效果：

這裏寫圖片描述

源碼下載：

源碼下載：https://github.com/zeke123/MaterialDesign

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