Android核心技术-day03-02-ScrollView

版权声明：心灵泽尘 https://blog.csdn.net/github_38313789/article/details/83756918

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <Button
        android:id="@+id/bt"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="show"
        android:text="列表显示条目" />
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <LinearLayout
            android:id="@+id/ll_container"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

        </LinearLayout>
    </ScrollView>


</LinearLayout>

package com.gaozewen.list;

import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    private LinearLayout ll_container;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ll_container = (LinearLayout) findViewById(R.id.ll_container);
    }

    public void show(View view) {
        for (int i = 0; i < 50; i++) {
            TextView tv = new TextView(this);
            tv.setText("我是文本" + i);
            tv.setTextColor(Color.BLUE);
            tv.setTextSize(20);
            ll_container.addView(tv);
        }
    }
}