Android 快速实现 ViewStub的使用

一、概述

ViewStub 是用来做 View延迟加载 的 .

源码Demo下载链接–>点我~!
码云使用方法点我~!

二、实现

public class MainActivity extends AppCompatActivity {

    private ViewStub mVsContent;        // 正文view

    Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            mVsContent.inflate();


            TextView mTvContent = findViewById(R.id.tv_content);
            mTvContent.setText(mTvContent.getText().toString() + ",,,,findviewbyid ");
        }
    };

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

        mVsContent.setLayoutResource(R.layout.layout_content);


        new Thread() {
            @Override
            public void run() {
                super.run();
                try {
                    sleep(3 * 1000);
                    handler.sendEmptyMessage(0);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }.start();

    }
}

关键代码:

mVsContent.setLayoutResource(R.layout.layout_content);
mVsContent.inflate();

实现非常简单.
inflate() 执行之后,才开始真正的加载view.可以用作延迟加载view