AutoCompleteTextView,Spinner,消息提示

package com.example.wang.testapp2;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Spinner;
import android.widget.Toast;

public class TestActivity11 extends AppCompatActivity {

    AutoCompleteTextView at_1;
    Spinner sp_1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test11);

        at_1=(AutoCompleteTextView)findViewById(R.id.at_1);

        sp_1=(Spinner)findViewById(R.id.sp_1);

        //1-准备数据源

        String[] strings={"abc","and","Aea","car","aBcde","aAaa","AAddd"};

        //2-准备适配器
        ArrayAdapter<String> aa=new ArrayAdapter<String>(this,
                R.layout.array_adapter,strings);

        //3-给组件设置适配器
        at_1.setAdapter(aa);

        //下拉列表
       final String[] xl={"高中","专科","本科","硕士","博士"};

        ArrayAdapter<String>  sp=new ArrayAdapter<String>(this,
               R.layout.array_adapter,xl);

        sp_1.setAdapter(sp);

        //监听器
        sp_1.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                Toast.makeText(TestActivity11.this, "选中的项目是"+xl[position], Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {

                Toast.makeText(TestActivity11.this, "什么也没选", Toast.LENGTH_SHORT).show();

            }
        });

    }

    //发送状态栏消息
    public void bt_OnClick(View v)
    {

        //1-得到状态栏消息管理器

        NotificationManager nm=(NotificationManager)getSystemService(NOTIFICATION_SERVICE);

        //准备一个PendingIntent
        //1)创建一个普通的Intent
        Intent intent=new Intent(this,TestActivity1.class);

        //2)生成
       PendingIntent pi= PendingIntent.getActivity(this, 0, intent, 0);

        //2-构建状态栏信息
        Notification nt=new Notification.Builder(this)
                .setContentTitle("天气预报")
                .setContentText("明天晴，气温30度")
                .setSmallIcon(R.drawable.aaa)
                .setTicker("新的天气预报")
                .setDefaults(Notification.DEFAULT_SOUND)
                .setAutoCancel(false)
                .setContentIntent(pi)
                .build();

        //3-由管理器发送消息
        nm.notify(0,nt);
    }
}

java

package com.example.wang.testapp2;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Switch;
import android.widget.Toast;
import android.widget.ToggleButton;

public class TestActivity1 extends AppCompatActivity {

    RadioGroup rg_1;
    RadioButton nan;
    RadioButton nv;
    CheckBox cb_1;
    CheckBox cb_2;

    ToggleButton tb_1;
    Switch sw_1;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test1);

        rg_1=(RadioGroup)findViewById(R.id.rg_1);
        nan=(RadioButton)findViewById(R.id.nan);
        nv=(RadioButton)findViewById(R.id.nv);

        cb_1=(CheckBox)findViewById(R.id.cb_1);
        cb_2=(CheckBox)findViewById(R.id.cb_2);
        tb_1=(ToggleButton)findViewById(R.id.tb_1);
        sw_1=(Switch)findViewById(R.id.sw_1);

        tb_1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

                Toast.makeText(TestActivity1.this, "ToggleButton开关状态="+(isChecked?"开":"关"), Toast.LENGTH_SHORT).show();
            }
        });

        sw_1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

                Toast.makeText(TestActivity1.this, "Switch开关状态="+(isChecked?"开":"关"), Toast.LENGTH_SHORT).show();

            }
        });

        //监听器的实例
        CB_OnCheckedChangeListener cb1=new CB_OnCheckedChangeListener();

        //监听器绑定
        cb_1.setOnCheckedChangeListener(cb1);
        cb_2.setOnCheckedChangeListener(cb1);

        rg_1.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            //int checkedId 被选中的RadioButton的id
            public void onCheckedChanged(RadioGroup group, int checkedId) {

                //提示选中的内容
                //判断谁被选中了
                if (checkedId==nan.getId())
                {
                    Toast.makeText(TestActivity1.this, "选中的是="+nan.getText(), Toast.LENGTH_SHORT).show();
                }
                else if(checkedId==nv.getId())
                {
                    Toast.makeText(TestActivity1.this, "选中的是="+nv.getText(), Toast.LENGTH_SHORT).show();
                }

            }
        });
    }

    //公共的复选按钮的监听器
    class CB_OnCheckedChangeListener implements CompoundButton.OnCheckedChangeListener
    {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

            CheckBox cb=(CheckBox)buttonView;

            String str =cb.getText().toString();

            if (isChecked)
            {
                Toast.makeText(TestActivity1.this, str+"被选中", Toast.LENGTH_SHORT).show();
            }
            else
            {
                Toast.makeText(TestActivity1.this, str+"被取消选中", Toast.LENGTH_SHORT).show();
            }
        }
    }

}

TestActivity1

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.wang.testapp2.TestActivity1"
    android:orientation="vertical">

<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal">
    <ImageButton
        android:layout_width="100dp"
        android:layout_height="wrap_content"
        android:src="@drawable/aaa"/>
    <ImageButton
        android:layout_width="100dp"
        android:layout_height="wrap_content"
        android:src="@drawable/bbb"/>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/aaa"
        android:text="普通按钮"/>

</LinearLayout>
    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <ImageView
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:src="@drawable/ccc"
            android:background="#f00"
            android:alpha="0.7"
            android:scaleType="center"/>
        <ImageView
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:src="@drawable/ccc"
            android:background="#f00"
            android:alpha="0.7"
            android:scaleType="centerCrop"/>
        <ImageView
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:src="@drawable/ccc"
            android:background="#f00"
            android:alpha="0.7"
            android:scaleType="centerInside"/>

    </LinearLayout>

    <ImageView
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:src="@drawable/ccc"
        android:background="#f00"
        android:alpha="0.7"
        android:scaleType="center"/>
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">
    <RadioGroup
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/rg_1"
        android:orientation="horizontal">

    <RadioButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/nan"
        android:text="男"/>
    <RadioButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="女"
        android:checked="true"
        android:id="@+id/nv"/>
    </RadioGroup>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
        <CheckBox
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="范冰冰"
            android:id="@+id/cb_1"
            android:checked="true"/>
        <CheckBox
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="章子怡"
            android:id="@+id/cb_2"
            android:checked="true"/>
</LinearLayout>
</LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <ToggleButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textOn="开"
            android:textOff="关"
            android:id="@+id/tb_1"/>
        <Switch
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textOn="打开"
            android:text="开关"
            android:id="@+id/sw_1"
            android:textOff="关闭"/>
    </LinearLayout>

</LinearLayout>

activity_test1

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.wang.testapp2.TestActivity11"
    android:orientation="vertical">
    <AutoCompleteTextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="请输入..."
        android:id="@+id/at_1"
        android:completionThreshold="1"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="学历："/>
        <Spinner
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:id="@+id/sp_1"
            android:layout_weight="1"></Spinner>

    </LinearLayout>

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="发送状态栏消息"
        android:onClick="bt_OnClick"/>

</LinearLayout>

activity_test11

<?xml version="1.0" encoding="utf-8"?>

<TextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="20sp"
android:paddingTop="10dp"
android:paddingBottom="10dp"/>

array_adapter