編輯:關於android開發
activity_main.xml:
1 <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" 2 xmlns:tools="http://schemas.android.com/tools" 3 xmlns:app="http://schemas.android.com/apk/res-auto" 4 android:id="@+id/main_content" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 android:fitsSystemWindows="true" > 8 9 <android.support.design.widget.AppBarLayout 10 android:id="@+id/appbar" 11 android:layout_width="match_parent" 12 android:layout_height="wrap_content" > 13 14 <!-- app:layout_scrollFlags="scroll|enterAlways" --> 15 <!-- 這句話的作用:向上滑動的時候Toolbar消失,向下滑的時候ToolBar立即出現 --> 16 <!-- 如果沒有scroll的話向上滑動Toolbar不會消失 --> 17 <!-- 如果沒有enterAlways的話向下滑動Toolbar不會立即出現,會有短暫的延遲 --> 18 19 20 <!-- android:minHeight="?attr/actionBarSize"(默認為此) 設置Toolbar的NavigationIcon位置 --> 21 22 <android.support.v7.widget.Toolbar 23 android:id="@+id/toolBar" 24 android:layout_width="match_parent" 25 android:layout_height="wrap_content" 26 app:layout_scrollFlags="scroll|enterAlways" 27 android:background="#9C27B0" 28 android:minHeight="?attr/actionBarSize" > 29 30 <TextView 31 android:layout_width="wrap_content" 32 android:layout_height="wrap_content" 33 android:text="可以添加多個view,會擠壓標題欄" 34 android:textColor="#E91E63" /> 35 </android.support.v7.widget.Toolbar> 36 37 <android.support.design.widget.TabLayout 38 android:id="@+id/tabLayout" 39 android:layout_width="match_parent" 40 android:layout_height="wrap_content" 41 android:background="#e0e0e0" 42 app:tabIndicatorColor="#ef5350" 43 app:tabSelectedTextColor="#1976d2" 44 app:tabTextColor="#90caf9" /> 45 </android.support.design.widget.AppBarLayout> 46 47 <!-- app:layout_behavior="@string/appbar_scrolling_view_behavior"的作用是使上方兩個數據不被AppBarLayout遮蓋 --> 48 49 <android.support.v7.widget.RecyclerView 50 android:id="@+id/recyclerView" 51 android:layout_width="match_parent" 52 android:layout_height="match_parent" 53 app:layout_behavior="@string/appbar_scrolling_view_behavior" /> 54 55 <android.support.design.widget.FloatingActionButton 56 android:layout_width="wrap_content" 57 android:layout_height="wrap_content" 58 android:layout_gravity="right|bottom" 59 android:layout_marginBottom="10dip" 60 android:layout_marginRight="10dip" 61 android:src="@drawable/ic_launcher" 62 app:backgroundTint="#e57373" 63 app:borderWidth="10dp" 64 app:elevation="10dip" 65 app:fabSize="normal" 66 app:pressedTranslationZ="10dp" 67 app:rippleColor="#c62828" /> 68 69 </android.support.design.widget.CoordinatorLayout>
MainActivity.java:
1 package com.example.testappbarlayout_zzw; 2 3 4 import android.app.Activity; 5 import android.content.Context; 6 import android.os.Bundle; 7 import android.support.design.widget.TabLayout; 8 import android.support.v7.widget.LinearLayoutManager; 9 import android.support.v7.widget.RecyclerView; 10 import android.support.v7.widget.RecyclerView.Adapter; 11 import android.support.v7.widget.Toolbar; 12 import android.support.v7.widget.RecyclerView.ViewHolder; 13 import android.view.LayoutInflater; 14 import android.view.View; 15 import android.view.ViewGroup; 16 import android.widget.LinearLayout; 17 import android.widget.TextView; 18 19 20 public class MainActivity extends Activity { 21 22 @Override 23 protected void onCreate(Bundle savedInstanceState) { 24 super.onCreate(savedInstanceState); 25 setContentView(R.layout.activity_main); 26 27 Toolbar mToolbar=(Toolbar) findViewById(R.id.toolBar); 28 mToolbar.setLogo(R.drawable.ic_launcher); 29 mToolbar.setNavigationIcon(R.drawable.ic_launcher); 30 mToolbar.setTitle("大家好"); 31 mToolbar.setSubtitle("我是xxx"); 32 33 TabLayout tabLayout = (TabLayout) findViewById(R.id.tabLayout); 34 for (int i = 0; i < 10; i++) 35 tabLayout.addTab(tabLayout.newTab().setText("選項" + i)); 36 tabLayout.setTabMode(TabLayout.MODE_SCROLLABLE); 37 38 RecyclerView mRecyclerView=(RecyclerView) findViewById(R.id.recyclerView); 39 LinearLayoutManager mLayoutManager=new LinearLayoutManager(this); 40 mLayoutManager.setOrientation(LinearLayout.VERTICAL); 41 mRecyclerView.setLayoutManager(mLayoutManager); 42 MyRecyclerViewAdapter adapter=new MyRecyclerViewAdapter(this); 43 mRecyclerView.setAdapter(adapter); 44 45 } 46 47 private class MyViewHolder extends ViewHolder{ 48 49 public TextView text; 50 51 public MyViewHolder(View itemView) { 52 super(itemView); 53 text=(TextView) itemView.findViewById(android.R.id.text1); 54 } 55 } 56 57 private class MyRecyclerViewAdapter extends Adapter<MyViewHolder>{ 58 59 private LayoutInflater inflater; 60 61 public MyRecyclerViewAdapter(Context context) { 62 inflater=LayoutInflater.from(context); 63 } 64 65 @Override 66 public int getItemCount() { 67 68 return 100; 69 } 70 71 @Override 72 public void onBindViewHolder(MyViewHolder viewHolder, int position) { 73 74 viewHolder.text.setText("測試數據:"+position); 75 } 76 77 @Override 78 public MyViewHolder onCreateViewHolder(ViewGroup viewGroup, int arg1) { 79 80 View v=inflater.inflate(android.R.layout.simple_list_item_1,null); 81 MyViewHolder holder=new MyViewHolder(v); 82 83 return holder; 84 } 85 86 } 87 88 }
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