Snackbar 提醒

类似于Toast，属于design包，不要忘记导入design

package com.xiaozhuyisheng.jinjiedemos.activity;

import android.support.design.widget.Snackbar;
import android.view.View;

import com.xiaozhuyisheng.jinjiedemos.BaseActivity;
import com.xiaozhuyisheng.jinjiedemos.R;

import butterknife.BindView;


// implementation 'com.android.support:design:28.0.0'

public class SnackbarDemoActivity extends BaseActivity {
    @BindView(R.id.testView)
    View testView;

    @Override
    protected int initLayoutID() {
        return R.layout.activity_snacker;
    }

    @Override
    protected void initLogic() {
        findViewById(R.id.btnHint).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                showSnackbar();
            }
        });
    }

    private void showSnackbar() {
        Snackbar.make(testView,"标题",Snackbar.LENGTH_SHORT)
                .setAction("点击事件", new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {

                    }
                }).setDuration(Snackbar.LENGTH_LONG).show();
    }
}

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

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="提示"
        android:id="@+id/btnHint"
        />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:id="@+id/testView"
        >

    </LinearLayout>

</android.support.constraint.ConstraintLayout>