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Android中FloatingActionButton實現(xiàn)懸浮按鈕實例

發(fā)布時間：2020-09-15 20:40:04 來源：腳本之家 閱讀：190 作者：ROOM先生 欄目：移動開發(fā)

Android中FloatingActionButton(懸浮按鈕) 使用不是特別多,常規(guī)性APP應(yīng)用中很少使用該控件. 當然他的使用方法其實很簡單.直接上代碼:

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="銷售單"
        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="銷售退貨"
        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="收款單"
        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;
  }
}

運行程序,就可以實現(xiàn)當前的效果.問題XML的圖片請自己替換一下,demo就不上傳了.

效果如下：

Android中FloatingActionButton實現(xiàn)懸浮按鈕實例

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