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  • LinearLayout使用简单实例

    1.代码

    import android.annotation.SuppressLint;
    import android.app.Activity;
    import android.app.ActionBar.LayoutParams;
    import android.os.Bundle;
    import android.widget.LinearLayout;
    import android.widget.TextView;
    
    //完全通过代码,来实现界面
    public class LayoutOne extends Activity {
        private LinearLayout nameContainer = null;
        private LinearLayout addressContainer = null;
        private LinearLayout parentContainer = null;
    
        // 重写方法
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
    
            createNameContainer();
            createAddressContainer();
            createParentContainer();
            setContentView(parentContainer);
        }
    
        // 创建nameContainer
        @SuppressLint("NewApi")
        private void createNameContainer() {
            nameContainer = new LinearLayout(this);
            // layout带有布局功能,例如设置横排、竖排,可以包含View,也可以包括替他layout,所以它同时也是一个容器
            // 在Android学习中,我们使用fill_parent,包括xml中使用fill_parent,在API Level 8(Android
            // 2.2)后,改为match_parent
            LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT,
                    LayoutParams.WRAP_CONTENT);
            nameContainer.setLayoutParams(layoutParams);
            nameContainer.setOrientation(LinearLayout.HORIZONTAL);
            // 设置内部View
            TextView txtView = new TextView(this);
            txtView.setText("姓名:");
            TextView valueView = new TextView(this);
            valueView.setText("张三");
    
            nameContainer.addView(txtView);
            nameContainer.addView(valueView);
        }
    
        // 创建addressContainer
        @SuppressLint("NewApi")
        private void createAddressContainer() {
            addressContainer = new LinearLayout(this);
            LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT,
                    LayoutParams.WRAP_CONTENT);
            addressContainer.setLayoutParams(layoutParams);
            addressContainer.setOrientation(LinearLayout.VERTICAL);
    
            TextView nameTextView = new TextView(this);
            nameTextView.setText("详细地址:");
            TextView valueTextView = new TextView(this);
            valueTextView.setText("化纤长路---丁家庄");
    
            addressContainer.addView(nameTextView);
            addressContainer.addView(valueTextView);
        }
    
        // 创建rootView,和前面两个container相似,不同的事addView不是加入普通的view,而是加入layout
        @SuppressLint("NewApi")
        private void createParentContainer() {
            parentContainer = new LinearLayout(this);
            LayoutParams lParams = new LayoutParams(LayoutParams.MATCH_PARENT,
                    LayoutParams.WRAP_CONTENT);
            parentContainer.setLayoutParams(lParams);
            parentContainer.setOrientation(LinearLayout.VERTICAL);
    
            parentContainer.addView(nameContainer);
            parentContainer.addView(addressContainer);
        }
    }

    2.结果:

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  • 原文地址:https://www.cnblogs.com/tianma3798/p/4083937.html
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