iOS仿微信添加标签效果(shape实现)

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public class MainActivity extends AppCompatActivity {
private FlowLayout flowLayout;//上面的flowLayout
private TagFlowLayout allFlowLayout;//所有标签的TagFlowLayout
private List label_list = new ArrayList<>();//上面的标签列表
private List all_label_List = new ArrayList<>();//所有标签列表
final List labels = new ArrayList<>();//存放标签
final List labelStates = new ArrayList<>();//存放标签状态
final Set set = new HashSet<>();//存放选中的
private TagAdapter tagAdapter;//标签适配器
private LinearLayout.LayoutParams params;
private EditText editText;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
initData();
initEdittext();
initAllLeblLayout();
}
/**
* 初始化View
*/
private void initView() {
flowLayout = (FlowLayout) findViewById(R.id.id_flowlayout);
allFlowLayout = (TagFlowLayout) findViewById(R.id.id_flowlayout_two);
params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
params.setMargins(20, 20, 20, 20);
flowLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String editTextCOntent= editText.getText().toString();
if (TextUtils.isEmpty(editTextContent)) {
tagNormal();
} else {
addLabel(editText);
}
}
});
}
/**
* 初始化数据
*/
private void initData(){
//初始化上面标签
label_list.add("同事");
label_list.add("亲人");
label_list.add("同学");
label_list.add("朋友");
label_list.add("知己");
//初始化下面标签列表
all_label_List.addAll(label_list);
all_label_List.add("异性朋友");
all_label_List.add("高中同学");
all_label_List.add("大学同学");
all_label_List.add("社会朋友");
for (int i = 0; i (all_label_List) {
@Override
public View getView(FlowLayout parent, int position, String s) {
TextView tv = (TextView) getLayoutInflater().inflate(R.layout.flag_adapter,
allFlowLayout, false);
tv.setText(s);
return tv;
}
};
allFlowLayout.setAdapter(tagAdapter);
//根据上面标签来判断下面的标签是否含有上面的标签
for (int i = 0; i  list = new ArrayList<>();
for (int i = 0; i  selectPosSet) {
set.clear();
set.addAll(selectPosSet);
}
});
}
/**
* 添加标签
* @param editText
* @return
*/
private boolean addLabel(EditText editText) {
String editTextCOntent= editText.getText().toString();
//判断输入是否为空
if (editTextContent.equals(""))
return true;
//判断是否重复
for (TextView tag : labels) {
String tempStr = tag.getText().toString();
if (tempStr.equals(editTextContent)) {
editText.setText("");
editText.requestFocus();
return true;
}
}
//添加标签
final TextView temp = getTag(editText.getText().toString());
labels.add(temp);
labelStates.add(false);
//添加点击事件，点击变成选中状态，选中状态下被点击则删除
temp.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int curIndex = labels.indexOf(temp);
if (!labelStates.get(curIndex)) {
//显示 ×号删除
temp.setText(temp.getText() + " ×");
temp.setBackgroundResource(R.drawable.label_del);
temp.setTextColor(Color.parseColor("#ffffff"));
//修改选中状态
labelStates.set(curIndex, true);
} else {
delByTest(temp.getText().toString());
flowLayout.removeView(temp);
labels.remove(curIndex);
labelStates.remove(curIndex);
for (int i = 0; i