Android Studio布局模板一之FloatButton和Toolbar_android studio ifroom

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:showIn="@layout/activity_main">
 
    <TextView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:textSize="30dp"
        android:text="@string/hejingzhoublog"
        android:id="@+id/textView" />
 
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TestButton"
        android:textAllCaps="false"
        android:id="@+id/button"
        android:layout_alignTop="@+id/textView"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="197dp" />
 
 
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:fitsSystemWindows="true"
    android:background="#cc33cc"
    tools:context="com.example.hejingzhou.floatbutton.MainActivity">
 
    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme">
 
        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="#778899"
            android:popupTheme="@style/AppTheme" />
    </android.support.design.widget.AppBarLayout>
 
    <include layout="@layout/content_layout" />
 
    <android.support.design.widget.FloatingActionButton
        android:id="@+id/flotButton"
        android:layout_width="50dp"
        android:layout_height="50dp"
        app:backgroundTint="#ff87ffeb"
        app:rippleColor="#708090"
        android:layout_gravity="bottom|end"
        android:layout_margin="13dp"
        android:src="@drawable/fly1" />
 
</android.support.design.widget.CoordinatorLayout>

三、menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
 
<!--
1.alaways:这个值会使菜单项一直显示在ActionBar上。
2.ifRoom:如果有足够的空间,这个值会使菜单显示在ActionBar上。
3.never:这个值菜单永远不会出现在ActionBar是。
4.withText:这个值使菜单和它的图标，菜单文本一起显示。
android:orderInCategory ="80"actionbar里每个item的优先级，
值越大优先级越低，actionbar地方不够就会放到overflow中
-->
    <item
        android:id="@+id/edit"
        android:title="编辑"
        android:orderInCategory ="60"
        android:icon="@drawable/bian"
        app:showAsAction="ifRoom"/>
    <!--
    查找有个问题 就是虽然设置了ifRoom但是 还是进入了never菜单中
    -->
    <item
        android:id="@+id/find"
        android:title="查找"
        android:orderInCategory ="60"
        android:icon="@drawable/cha"
        app:showAsAction="ifRoom"/>
 
    <item
        android:id="@+id/setMenu"
        android:orderInCategory="100"
        android:title="个性设置"
        app:showAsAction="never"/>
 
    <item
        android:id="@+id/messageMenu"
        android:orderInCategory="100"
        android:title="我的信息"
        app:showAsAction="never"/>
 
</menu>

package com.example.hejingzhou.floatbutton;
 
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
 
public class MainActivity extends AppCompatActivity {
    private String TAG = getClass().getSimpleName();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        Button buttonTest = (Button)findViewById(R.id.button);
        buttonTest.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(MainActivity.this,"TestActivity",Toast.LENGTH_SHORT).show();
            }
        });
 
        //工具条 并不是标题栏
        Toolbar toolbar = (Toolbar)findViewById(R.id.toolbar);
        toolbar.setNavigationIcon(R.drawable.fly1);
        toolbar.setTitle("主标题");
        toolbar.setLogo(R.drawable.xiao);
        toolbar.setSubtitle("副标题");
        Log.i(TAG, "" + toolbar.getContentInsetLeft());
        setSupportActionBar(toolbar);
        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(MainActivity.this,"单击了导航栏图标",Toast.LENGTH_SHORT).show();
            }
        });
 
 
        //浮动Button
        FloatingActionButton floatButton = (FloatingActionButton)findViewById(R.id.flotButton);
        floatButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Snackbar.make(v, "你点击了 FloatButton", Snackbar.LENGTH_SHORT)
                        .setAction("Action", null).show();
            }
        });
    }
 
    //菜单
    @Override
      public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu, menu);
        return true;
    }
 
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if(id == R.id.setMenu){
            Toast.makeText(MainActivity.this,"选择了设置菜单",Toast.LENGTH_SHORT).show();
        }else if(id == R.id.messageMenu){
            Toast.makeText(MainActivity.this,"选择了个人信息",Toast.LENGTH_SHORT).show();
        }else if(id == R.id.find){
            Toast.makeText(MainActivity.this,"选择了查找",Toast.LENGTH_SHORT).show();
        }else if(id == R.id.edit) {
            Toast.makeText(MainActivity.this,"编辑信息",Toast.LENGTH_SHORT).show();;
        }
        return super.onOptionsItemSelected(item);
    }
 
    @Override
    public void setSupportActionBar(Toolbar toolbar) {
        toolbar.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(MainActivity.this,"点击了Toolbar栏",Toast.LENGTH_SHORT).show();
            }
        });
        super.setSupportActionBar(toolbar);
    }
}

</pre><pre code_snippet_id="1626955" snippet_file_name="blog_20160328_6_5301894" name="code" class="java">/**
 * 设置NavigationIcon图标点击监听方法有两种
 * 1.setSupportActionBar(toolbar);
 * toolbar.setNavigationOnClickListener(this);
 * 方法1需要注意的是必须放在setSupportActionBar方法之后。
 *
 *2.在onOptionsItemSelected方法中判断
 * if(id==android.R.id.home){
 //Toast.makeText(MainActivity.this, "You Clicked Lock Icon", Toast.LENGTH_SHORT).show();
 }
 */