UI今天给了个需求，把乱序的单词拼成一句话，如下图：
前期的思路是这样的：
1.测量每个单词的高度和宽度，计算出所有单词排列后的高*2，就是view 的高度
2.把文字写上去
哈哈，这个的确就是当时的想法，不要怂就是干~
那就来试试吧，话不多说，直接上代码：
package com.meetime.etherflyer.page;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.meetime.etherflyer.R;
import com.meetime.etherflyer.tools.AppConfigUtil;
import com.meetime.etherflyer.tools.AppLanguage;
import com.meetime.etherflyer.tools.SPUtils;
import com.meetime.etherflyer.tools.ToastUtils;
import com.per.flowlayout.AddTagActivity;
import com.per.flowlayout.FlowLayout;
import com.per.flowlayout.FlowLayoutAdapter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class MnHellpWordAcextends Activity {
private TextViewtv_remind,tv_copy_label,tv_copy_tip,tv_etherflyer_desc,tv_confirm;
private FlowLayouttcy_my_label, tcy_hot_label;
private FlowLayoutAdaptermMyLabelAdapter, mHotLabelAdapter;
private ListHotLabelLists;
private ArrayListlistArr =new ArrayList();
private RelativeLayoutnext;
private Stringmnemonic;
private ListMyLabelLists =new ArrayList<>();
private static int TAG_REQUESTCODE =0x101;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layout_mn_hellp_word);
initView();
initData();
}
private void initView() {
next = findViewById(R.id.next);
tv_remind = findViewById(R.id.tv_remind);
tcy_my_label = findViewById(R.id.tcy_my_label);
tcy_hot_label = findViewById(R.id.tcy_hot_label);
setLanguage();
}
private void initData() {
Intent intent = getIntent();
mnemonic = intent.getStringExtra("mnemonic");
HotLabelLists =new ArrayList<>();
String[] splits =mnemonic.split(" ");
for (int i =0; i < splits.length; i++) {
listArr.add(splits[i]);
}
String[] split =mnemonic.split(" ");
for (int i =0; i < split.length; i++) {
HotLabelLists.add(split[i]);
Collections.shuffle(HotLabelLists);
}
mHotLabelAdapter =new FlowLayoutAdapter(this, HotLabelLists);
tcy_hot_label.setAdapter(mHotLabelAdapter);
tcy_hot_label.setItemClickListener(new TagCloudLayoutItemOnClick(1));
mMyLabelAdapter =new FlowLayoutAdapter(this, MyLabelLists);
tcy_my_label.setAdapter(mMyLabelAdapter);
tcy_my_label.setItemClickListener(new TagCloudLayoutItemOnClick(0));
String labels = String.valueOf(getIntent().getStringExtra("labels"));
if (!TextUtils.isEmpty(labels) && labels.length() >0 && !labels.equals("null")) {
String[] temp = labels.split(" ");
for (int i =0; i < temp.length; i++) {
if (!MyLabelLists.contains(temp[i])){
MyLabelLists.add(temp[i]);
ChangeMyLabels();
}
}
}
next.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (MyLabelLists.isEmpty()){
ToastUtils.toast("请您按顺序选择上一页的助记词");
}else {
if (MyLabelLists.equals(listArr)){
for (String mn:listArr){
SPUtils.putStringValue("mnemonic", mn);
}
Intent intent =new Intent(getApplication(),CreateWalletSAc.class);startActivity(intent);
}else {
ToastUtils.toast("请您按顺序选择上一页的助记词");
}
}
}
});
}
/**
* 刷新我的标签数据
* @author dongwenlong
*/
private void ChangeMyLabels() {
tv_remind.setVisibility(MyLabelLists.size() >0 ? View.GONE
: View.VISIBLE);
tcy_my_label.setVisibility(MyLabelLists.size() >0 ? View.VISIBLE
: View.GONE);
mMyLabelAdapter.notifyDataSetChanged();
}
/**
* 标签的点击事件
*
* @author dongwenlong
*/
class TagCloudLayoutItemOnClickimplements FlowLayout.TagItemClickListener {
int index;
public TagCloudLayoutItemOnClick(int index) {
this.index = index;
}
@Override
public void itemClick(int position) {
switch (index) {
case 0:
MyLabelLists.remove(MyLabelLists.get(position));
ChangeMyLabels();
break;
case 1:
if (MyLabelLists.size() <12) {
if (HotLabelLists.get(position).equals("自定义")) {
startActivityForResult(
new Intent(MnHellpWordAc.this,
AddTagActivity.class),
TAG_REQUESTCODE);
}else {
Boolean isExits =isExist(MyLabelLists,
HotLabelLists.get(position));
if (isExits) {
ToastUtils.toast("此助记词已经添加啦");
return;
}else {
MyLabelLists.add(HotLabelLists.get(position));
ChangeMyLabels();
}
}
}else {
ToastUtils.toast("最多只能添加12个助记词哦");
}
break;
default:
break;
}
}
}
/**
* 将数组里面的字符串遍历一遍，看是否存在相同标签
* @param str
* @param compareStr
* @author dongwenlong
* @return
*/
public static BooleanisExist(List str, String compareStr) {
Boolean isExist =false;//默认沒有相同标签
for (int i =0; i < str.size(); i++) {
if (compareStr.equals(str.get(i))) {
isExist =true;
}
}
return isExist;
}
/**
* 回传数据
*@author dongwenlong
@Override*/
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
String label = data.getStringExtra("tags");
MyLabelLists.add(label);
ChangeMyLabels();
}
private void setLanguage() {
tv_copy_label = findViewById(R.id.tv_copy_label);
tv_copy_tip = findViewById(R.id.tv_copy_tip);
tv_etherflyer_desc = findViewById(R.id.tv_etherflyer_desc);
tv_confirm = findViewById(R.id.tv_confirm);
if (AppConfigUtil.getInstance().currentLanguage == AppLanguage.CN){
tv_copy_label.setText(AppConfigUtil.getInstance().localizedString("请立即抄写下你的备份助记词！"));
tv_copy_tip.setText(AppConfigUtil.getInstance().localizedString("助记词可替代输入钱包私钥的方式导入钱包。请将它准确抄下并熟记，且存放到只有你知道的安全地方。"));
tv_etherflyer_desc.setText(AppConfigUtil.getInstance().localizedString("ETHERFLYER是基于以太坊去中心化交易平台"));
tv_confirm.setText(AppConfigUtil.getInstance().localizedString("确认"));
}else {
tv_copy_label.setText(AppConfigUtil.getInstance().localizedString("Please copy down your backup mnemonics immediately!"));
tv_copy_tip.setText(AppConfigUtil.getInstance().localizedString("Mnemonic words can be imported into a wallet instead of entering the private key of the wallet. Please copy it down accurately and memorize it, and store it in a safe place only you know."));
tv_etherflyer_desc.setText(AppConfigUtil.getInstance().localizedString("ETHERFLYER is Decentralized trading platform based on ETF"));
tv_confirm.setText(AppConfigUtil.getInstance().localizedString("confirm"));
}
}
}
对于这么简单的需求来说这个代码量稍微有点多~ 里面有很多可以优化的地方，等有时间再来改改吧。
欢迎线下交流 wx：dwl-1591293009