Android中FloatingActionButton实现悬浮

效果图.png

Android中FloatingActionButton(悬浮按钮) 使用不是特别多,常规性APP应用中很少使用该控件. 当然他的使用方法其实很简单.直接上代码:

xml:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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">

    <CheckBox
        android:id="@+id/cbDelay"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="10dp"
        android:layout_marginTop="10dp"
        android:text="delay" />

    <RelativeLayout
        android:id="@+id/rlAddBill"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentStart="true"
        android:layout_below="@+id/fab01Add"
        android:layout_marginLeft="10dp"
        android:background="#00000000"
        android:visibility="gone">

        <LinearLayout
            android:id="@+id/ll01"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentStart="true"
            android:layout_below="@+id/ll02"
            android:orientation="horizontal">

            <TextView
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:layout_toLeftOf="@+id/miniFab01"
                android:layout_weight="1"
                android:gravity="right"
                android:paddingBottom="5dp"
                android:text="销售单"
                android:textColor="@android:color/white"
                android:textSize="15sp"
                android:visibility="gone" />

            <android.support.design.widget.FloatingActionButton
                android:id="@+id/miniFab01"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="25dp"
                android:src="@mipmap/btn_play_normal"
                app:backgroundTint="@color/colorAccent"
                app:elevation="5dp"
                app:fabSize="mini" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/ll02"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentStart="true"
            android:layout_below="@+id/ll03"
            android:orientation="horizontal">

            <TextView
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:layout_toLeftOf="@+id/miniFab02"
                android:layout_weight="1"
                android:gravity="right"
                android:paddingBottom="5dp"
                android:text="销售退货"
                android:textColor="@android:color/white"
                android:textSize="15sp"
                android:visibility="gone" />

            <android.support.design.widget.FloatingActionButton
                android:id="@+id/miniFab02"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="25dp"
                android:src="@mipmap/btn_play_normal"
                app:backgroundTint="@color/colorAccent"
                app:elevation="5dp"
                app:fabSize="mini" />
        </LinearLayout>

        <LinearLayout
            android:id="@+id/ll03"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentStart="true"
            android:layout_alignParentTop="true"
            android:orientation="horizontal">

            <TextView
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:layout_toLeftOf="@+id/miniFab02"
                android:layout_weight="1"
                android:gravity="right"
                android:paddingBottom="5dp"
                android:text="收款单"
                android:textColor="@android:color/white"
                android:textSize="15sp"
                android:visibility="gone" />

            <android.support.design.widget.FloatingActionButton
                android:id="@+id/miniFab03"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="25dp"
                android:src="@mipmap/btn_play_normal"
                app:backgroundTint="@color/colorAccent"
                app:elevation="5dp"
                app:fabSize="mini" />
        </LinearLayout>
    </RelativeLayout>

    <android.support.design.widget.FloatingActionButton
        android:id="@+id/fab01Add"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentStart="true"
        android:layout_below="@+id/cbDelay"
        android:layout_marginRight="15dp"
        android:layout_marginTop="22dp"
        android:src="@mipmap/btn_play_normal"
        app:backgroundTint="#31bfcf"
        app:elevation="5dp"
        app:fabSize="normal"
        app:rippleColor="#e7d161" />
</RelativeLayout>

MainActivity:

package com.example.liupanpan.floatingactionbuttondemo;

import android.animation.AnimatorInflater;
import android.animation.AnimatorSet;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private CheckBox cbDelay;
    private FloatingActionButton fab01Add;
    private boolean isAdd = false;
    private RelativeLayout rlAddBill;
    private int[] llId = new int[]{R.id.ll01, R.id.ll02, R.id.ll03};
    private LinearLayout[] ll = new LinearLayout[llId.length];
    private int[] fabId = new int[]{R.id.miniFab01, R.id.miniFab02, R.id.miniFab03};
    private FloatingActionButton[] fab = new FloatingActionButton[fabId.length];
    private AnimatorSet addBillTranslate1;
    private AnimatorSet addBillTranslate2;
    private AnimatorSet addBillTranslate3;
    private AnimatorSet addBillTranslate4;
    private AnimatorSet addBillTranslate5;
    private AnimatorSet addBillTranslate6;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.basic_fab_activity);
        initView();
        setDefaultValues();
        bindEvents();
    }

    private void initView() {
        cbDelay = (CheckBox) findViewById(R.id.cbDelay);
        fab01Add = (FloatingActionButton) findViewById(R.id.fab01Add);
        rlAddBill = (RelativeLayout) findViewById(R.id.rlAddBill);
        for (int i = 0; i < llId.length; i++) {
            ll[i] = (LinearLayout) findViewById(llId[i]);
        }
        for (int i = 0; i < fabId.length; i++) {
            fab[i] = (FloatingActionButton) findViewById(fabId[i]);
        }
    }

    private void setDefaultValues() {
        addBillTranslate1 = (AnimatorSet) AnimatorInflater.loadAnimator(this, R.animator.add_bill_anim);
        addBillTranslate2 = (AnimatorSet) AnimatorInflater.loadAnimator(this, R.animator.add_bill_anim);
        addBillTranslate3 = (AnimatorSet) AnimatorInflater.loadAnimator(this, R.animator.add_bill_anim);
//        addBillTranslate4 = (AnimatorSet) AnimatorInflater.loadAnimator(this, R.animator.add_bill_anim);
//        addBillTranslate5 = (AnimatorSet) AnimatorInflater.loadAnimator(this, R.animator.add_bill_anim);
//        addBillTranslate6 = (AnimatorSet) AnimatorInflater.loadAnimator(this, R.animator.add_bill_anim);
    }

    private void bindEvents() {
        fab01Add.setOnClickListener(this);
        for (int i = 0; i < fabId.length; i++) {
            fab[i].setOnClickListener(this);
        }
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.fab01Add:
                fab01Add.setImageResource(isAdd ? R.mipmap.ic_launcher_round : R.mipmap.ic_launcher_round);
                isAdd = !isAdd;
                rlAddBill.setVisibility(isAdd ? View.VISIBLE : View.GONE);
                if (isAdd) {
                    addBillTranslate1.setTarget(ll[0]);
                    addBillTranslate1.start();
                    addBillTranslate2.setTarget(ll[1]);
                    addBillTranslate2.setStartDelay(cbDelay.isChecked() ? 50 : 0);
                    addBillTranslate2.start();
                    addBillTranslate3.setTarget(ll[2]);
                    addBillTranslate3.setStartDelay(cbDelay.isChecked() ? 100 : 0);
                    addBillTranslate3.start();
//                    addBillTranslate4.setTarget(ll[3]);
//                    addBillTranslate4.setStartDelay(cbDelay.isChecked() ? 250 : 0);
//                    addBillTranslate4.start();
//                    addBillTranslate5.setTarget(ll[4]);
//                    addBillTranslate5.setStartDelay(cbDelay.isChecked() ? 300 : 0);
//                    addBillTranslate5.start();
//                    addBillTranslate6.setTarget(ll[5]);
//                    addBillTranslate6.setStartDelay(cbDelay.isChecked() ? 350 : 0);
//                    addBillTranslate6.start();
                }
                break;
            case R.id.miniFab01:
                hideFABMenu();
                break;
            case R.id.miniFab02:

                hideFABMenu();
                break;
            case R.id.miniFab03:
                hideFABMenu();
                break;
            default:
                break;

        }
    }

    private void hideFABMenu() {
        rlAddBill.setVisibility(View.GONE);
        fab01Add.setImageResource(R.mipmap.ic_launcher_round);
        isAdd = false;
    }
}

运行程序,就可以实现当前的效果.问题XML的图片请自己替换一下,demo就不上传了.