DigitalClock和AnalogClock两个时钟类

可以为DigitalClock设置背景图片,自定义时针，秒针，分针的样式

例子：

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

	android:orientation="vertical"

	android:layout_width="fill_parent"

	android:layout_height="fill_parent"

	android:gravity="center_horizontal"

	>

<!-- 定义模拟时钟 -->

<AnalogClock

	android:layout_width="wrap_content"

	android:layout_height="wrap_content"

	/>

<!-- 定义数字时钟 -->

<DigitalClock

	android:layout_width="wrap_content"

	android:layout_height="wrap_content"

	android:textSize="14pt"

	android:textColor="#f0f"

	android:drawableRight="@drawable/ic_launcher"

	/>

<!-- 定义模拟时钟,并使用自定义表盘、时针图片 -->

<AnalogClock

	android:layout_width="wrap_content"

	android:layout_height="wrap_content"

	android:dial="@drawable/watch"

	android:hand_minute="@drawable/hand"

	/>

</LinearLayout>

运行结果:

RadioGroup单选组RadioGroup.

OnCheckedChangeListener()监听单选按钮点击事件

注意:各个RadioButton之间的id不能重复,RadioButton的id与RadioGroup的id也不能重复.

RadioButton

android:button="@null"

去除RadioButton前面的圆点

ToggleButton

常用属性:

android:textOff未选中时按钮的文本

android:textOn选中时按钮的文本

android:checked="true"  该状态用于设置初始状态,true表示开,false表示关,若没有设置该状态则默认为关android:background="@drawable/toggleselector"  如果要想改变ToggleButton开和关的图片,则需要设置这个属性,toggleselector将放到下面,是一个selector配置文件监听事件：CompoundButton.OnCheckedChangeListener()

重要补充：在xml中设置文字有时候间距什么的不好控制,这个时候可以把文字写在图片里面,在xml中把texton和textoff都设置为“”

实例：

package com.light.study.android;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.CheckBox;

import android.widget.RadioGroup;

import android.widget.Toast;

public class MainActivity extends Activity {

	private RadioGroup gender;

	private CheckBox swimming, reading, basketball;

	@Override

	public void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		init();

		initListener();

	}

	private void init() {

		gender = (RadioGroup) findViewById(R.id.myRadioGroup);

		swimming = (CheckBox) findViewById(R.id.swimming);

		reading = (CheckBox) findViewById(R.id.reading);

		basketball = (CheckBox) findViewById(R.id.basketball);

	}

	private void initListener() {

		gender.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {

			@Override

			public void onCheckedChanged(RadioGroup group, int checkedId) {

				if (checkedId == R.id.female) {

					Toast.makeText(MainActivity.this, "性别:女", Toast.LENGTH_LONG)

							.show();

				} else if (checkedId == R.id.male) {

					Toast.makeText(MainActivity.this, "性别:男", Toast.LENGTH_LONG)

							.show();

				}

			}

		});

		swimming.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View v) {

				Toast.makeText(MainActivity.this, "爱好：游泳", Toast.LENGTH_LONG)

						.show();

			}

		});

		reading.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View v) {

				Toast.makeText(MainActivity.this, "爱好：阅读", Toast.LENGTH_LONG)

						.show();

			}

		});

		basketball.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View v) {

				Toast.makeText(MainActivity.this, "爱好：篮球", Toast.LENGTH_LONG)

						.show();

			}

		});

	}

}

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:gravity="center_horizontal"

    android:orientation="vertical" >

    <LinearLayout

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:orientation="horizontal" >

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="性别:" />

        <!-- 建立一个RadioGroup -->

        <RadioGroup

            android:id="@+id/myRadioGroup"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:orientation="horizontal" >

            <!-- 第一个RadioButton -->

            <RadioButton

                android:id="@+id/female"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="女" />

            <!-- 第二个RadioButton -->

            <RadioButton

                android:id="@+id/male"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:text="男" />

        </RadioGroup>

    </LinearLayout>

    <LinearLayout

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:orientation="horizontal" >

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="爱好:" />

        <CheckBox

            android:id="@+id/swimming"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="游泳" />

        <CheckBox

            android:id="@+id/basketball"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="篮球" />

        <CheckBox

            android:id="@+id/reading"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:text="阅读" />

    </LinearLayout>

</LinearLayout>

效果图：