3.1学习总结

今天学习了控件7Toolbar

xml

<?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"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical">

<androidx.appcompat.widget.Toolbar
    android:id="@+id/tb"
    android:background="#ffff00"
    app:navigationIcon="@drawable/ic_launcher_foreground"
    app:title="标题"
    app:titleTextColor="#ff0000"
    app:titleMarginStart="90dp"
    app:subtitle="子标题"
    app:subtitleTextColor="#00ff00"
    app:logo="@mipmap/ic_launcher"
    android:layout_width="match_parent"
    android:layout_height="?attr/actionBarSize"/>
    <androidx.appcompat.widget.Toolbar
        android:id="@+id/tb2"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        app:titleMarginStart="10dp"
        android:background="#ffff00"
        />
    <androidx.appcompat.widget.Toolbar

        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        app:titleMarginStart="10dp"
        android:background="#ffff00"/>
        <TextView
            android:text="BT"
            android:layout_gravity="center"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center"/>
        />
</LinearLayout>

activity

package com.example.mytoolbar;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.util.Log;
import android.view.View;

public class MainActivity extends AppCompatActivity {
    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar =findViewById(R.id.tb);
        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Log.e("JY", "onClick:toolbar被点击了 ");
            }
        });
        Toolbar toolbar2 =findViewById(R.id.tb2);
        toolbar2.setNavigationIcon(R.drawable.ic_launcher_background);
        toolbar2.setTitle("bt");
        toolbar2.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Log.e("JY", "onClick:toolbar2被点击了 ");
            }
        });
    }
}