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
转载于:https://www.cnblogs.com/wangchuanqi/p/5515111.html
