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:
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xml:
<?xml version="1.0" encoding="utf-8"?>
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.
效果如下：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
