流式布局

最新推荐文章于 2024-11-24 15:52:40 发布

原创最新推荐文章于 2024-11-24 15:52:40 发布 · 121 阅读

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本文介绍了一个名为LiuView的自定义Android视图组件的实现细节，包括如何根据输入的数据动态调整布局和添加子视图。此外，还展示了如何通过ObjectAnimator实现平移动画效果，并为视图添加点击事件以启动新的活动。

package com.example.chenchong20190325;

import android.animation.ObjectAnimator;
import android.content.Context;
import android.content.Intent;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by ${}.
 * User:
 * Date: 2019/3/25
 * Time: 9:12
 */
public class LiuView extends LinearLayout {
    private Context context;
    private LinearLayout v_la;
    private LinearLayout h;

    public LiuView(Context context) {
        super(context);
        init(context);
    }

    public LiuView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(context);
    }

    private void init(Context context) {
        this.context=context;
        View view = View.inflate(context, R.layout.v, null);
        v_la = view.findViewById(R.id.v_layout);
        addView(view);
    }
    public List<String> list = new ArrayList<>();
    public void setData(List<String> list1) {
        v_la.removeAllViews();
        int len=0;
        list=list1;
        h = (LinearLayout) View.inflate(context,R.layout.h,null);
        v_la.addView(h);
        for (int i = 0;i<list.size();i++){
            String s = list.get(i);
            int length = s.length();
            len+=length;
            if (len>22){
                h = (LinearLayout) View.inflate(context,R.layout.h,null);
                v_la.addView(h);
                len=0;
            }
            RelativeLayout text_view = (RelativeLayout) View.inflate(context,R.layout.text_view,null);
            final TextView textv = text_view.findViewById(R.id.text_v);
            textv.setText(list.get(i));
            h.addView(text_view);
            LinearLayout.LayoutParams params = (LayoutParams) text_view.getLayoutParams();
            params.weight=1;
            params.setMargins(8,8,8,8);
            text_view.setLayoutParams(params);
            //判断
            if (i==list.size()-1){
                ObjectAnimator objectAnimator = ObjectAnimator.ofFloat(text_view,"translationX",980,0);
                objectAnimator.setDuration(5000);
                objectAnimator.start();
            }
            //点击事件
            textv.setOnClickListener(new OnClickListener() {
                @Override
                public void onClick(View v) {
                    String string = textv.getText().toString();
                    Intent intent = new Intent(context,ShowActivity.class);
                    intent.putExtra("name",string);
                    context.startActivity(intent);
                }
            });
        }
    }
}

=布局1=====

===================布局2================================ <?xml version="1.0" encoding="utf-8"?> =====================text_view============================= <?xml version="1.0" encoding="utf-8"?>