setOnLongClickListener 返回值的作用

直接说结果 ： 返回值是false（默认）  则长按时执行完长按监听之后会走点击的监听

返回值是true   则长按时只会执行setOnLongClickListener

下面是验证，可以不看- -。

布局文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.administrator.zzz.MainActivity">

    <Button
        android:id="@+id/btn1"
        android:text="返回值为false"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
    <Button
        android:id="@+id/btn2"
        android:text="返回值为true"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>

</LinearLayout>

MainActivity

public class MainActivity extends AppCompatActivity implements View.OnClickListener, View.OnLongClickListener {

    private Button btn1, btn2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btn1 = (Button) findViewById(R.id.btn1);
        btn2 = (Button) findViewById(R.id.btn2);

        btn1.setOnClickListener(this);
        btn2.setOnClickListener(this);
        btn1.setOnLongClickListener(this);
        btn2.setOnLongClickListener(this);
    }

    @Override
    public void onClick(View view) {
        Toast.makeText(this, "短按", Toast.LENGTH_SHORT).show();
    }

    @Override
    public boolean onLongClick(View view) {
        switch (view.getId()) {
            case R.id.btn1:
                Toast.makeText(this, "长按", Toast.LENGTH_SHORT).show();
                return false;
            case R.id.btn2:
                Toast.makeText(this, "长按", Toast.LENGTH_SHORT).show();
                return true;
        }
        return true;
    }
}