自定义组合控件
1. 自定义一个View, 继承ViewGroup,比如RelativeLayout，此文中是SettingItemView
2. 编写组合控件的布局文件,在自定义的View中加载
// 将自定义好的布局文件设置给当前的SettingItemView
View.inflate(getContext(), R.layout.view_setting_item, this);
3. 自定义属性
删除代码中对文本的动态设置，改为在布局文件中设置
在布局文件中增加新的命名空间
创建attrs.xml,定义相关属性
读取自定义的值，更新相关内容
activity_setting.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:mobilesafe="http://schemas.android.com/apk/res/com.mxn.mobilesafe"//自定义命名空间。。。在布局文件中增加新的命名空间 android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView style="@style/TitleStyle" android:text="设置中心" /> <com.mxn.mobilesafe.view.SettingItemView android:id="@+id/siv_update" android:layout_width="match_parent" android:layout_height="wrap_content"
//自定义属性，不用android默认的属性
//从命名空间中找 mobilesafe:title="自动更新设置" mobilesafe:desc_on="自动更新已开启" mobilesafe:desc_off="自动更新已关闭" > </com.mxn.mobilesafe.view.SettingItemView> <com.mxn.mobilesafe.view.SettingItemView android:id="@+id/siv_address" android:layout_width="match_parent" android:layout_height="wrap_content" mobilesafe:title="归属地显示设置" mobilesafe:desc_on="归属地显示已开启" mobilesafe:desc_off="归属地显示已关闭" > </com.mxn.mobilesafe.view.SettingItemView> <com.mxn.mobilesafe.view.SettingClickView android:id="@+id/scv_address_style" android:layout_width="match_parent" android:layout_height="wrap_content" > </com.mxn.mobilesafe.view.SettingClickView> <com.mxn.mobilesafe.view.SettingItemView android:id="@+id/siv_watchdog" android:layout_width="match_parent" android:layout_height="wrap_content" mobilesafe:title="看门狗设置" mobilesafe:desc_on="看门狗已开启" mobilesafe:desc_off="看门狗已关闭" > </com.mxn.mobilesafe.view.SettingItemView> </LinearLayout>
自定义属性 ： attrs.xml。。创建attrs.xml,定义相关属性
<?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="SettingItemView"> <attr name="title" format="string"></attr> <attr name="desc_on" format="string"></attr> <attr name="desc_off" format="string"></attr> </declare-styleable> </resources>
SettingItemView.java
/* * 设置中心的自定义控件,自定义View */ public class SettingItemView extends RelativeLayout { TextView tvTitle; TextView tvDesc; CheckBox cbStatus; private String mtitle; private String mdescon; private String mdescoff;
String namespace = "http://schemas.android.com/apk/res/com.mxn.mobilesafe";//命名空间 public SettingItemView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); // TODO Auto-generated constructor stub initView(); } public SettingItemView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); // TODO Auto-generated constructor stub initView(); // int attributeCount = attrs.getAttributeCount(); // for(int i=0;i<attributeCount;i++){ // String attrsname = attrs.getAttributeName(i); // String attrvalue = attrs.getAttributeValue(i); // System.out.println(attrsname+"="+attrvalue); // // } } public SettingItemView(Context context, AttributeSet attrs) { super(context, attrs); // TODO Auto-generated constructor stub
// 读取自定义的值，更新相关内容 //根据属性名称获取属性的值 mtitle = attrs.getAttributeValue(namespace , "title"); mdescon = attrs.getAttributeValue(namespace , "desc_on"); mdescoff = attrs.getAttributeValue(namespace , "desc_off");
initView(); } public SettingItemView(Context context) { super(context); // TODO Auto-generated constructor stub initView(); } // 初始化布局 private void initView() { // 把自定义好的布局设置给当前的SettingItemView View.inflate(getContext(), R.layout.view_setting_item, this);// this表示把view_setting_item布局塞给RelativeLayout tvTitle = (TextView) findViewById(R.id.tv_title); tvDesc = (TextView) findViewById(R.id.tv_desc); cbStatus = (CheckBox) findViewById(R.id.cb_status); setTitle(mtitle); } public void setTitle(String title) { tvTitle.setText(title); } public void setDesc(String desc) { tvDesc.setText(desc); } // 判断当前的勾选状态并返回 public boolean isChecked() { return cbStatus.isChecked(); } public void setChecked(boolean check){ cbStatus.setChecked(check); //根据选择的状态更新文本描述 if(check){ setDesc(mdescon); }else{ setDesc(mdescoff); } } }
view_setting_item.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="80dp" android:padding="10dp"> <TextView android:id="@+id/tv_title" android:layout_width="match_parent" android:layout_height="wrap_content" android:textColor="@color/black" android:textSize="20sp"/> <TextView android:id="@+id/tv_desc" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="5dp" android:textColor="#a000" android:layout_below="@id/tv_title" android:textSize="15sp"/> <CheckBox android:id="@+id/cb_status" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_centerVertical="true"
//要禁用某些事件，这三个搭配使用。 android:clickable="false"//表示不能点击 android:focusable="false"//不能获取焦点 android:focusableInTouchMode="false" /> <View android:layout_width="match_parent" android:layout_height="0.2dp" android:background="#a000" android:layout_alignParentBottom="true" /> </RelativeLayout>
SettingClickView.java
/* * 设置中心的自定义控件,自定义View */ public class SettingClickView extends RelativeLayout { private TextView tvTitle; private TextView tvDesc; public SettingClickView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); initView(); } public SettingClickView(Context context, AttributeSet attrs) { super(context, attrs); initView(); } public SettingClickView(Context context) { super(context); initView(); } /** * 初始化布局 */ private void initView() { // 将自定义好的布局文件设置给当前的SettingClickView View.inflate(getContext(), R.layout.view_setting_click, this); tvTitle = (TextView) findViewById(R.id.tv_title); tvDesc = (TextView) findViewById(R.id.tv_desc); } public void setTitle(String title) { tvTitle.setText(title); } public void setDesc(String desc) { tvDesc.setText(desc); } }
view_setting_click.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="80dp" android:padding="10dp"> <TextView android:id="@+id/tv_title" android:layout_width="match_parent" android:layout_height="wrap_content" android:textColor="@color/black" android:textSize="20sp"/> <TextView android:id="@+id/tv_desc" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="5dp" android:textColor="#a000" android:layout_below="@id/tv_title" android:textSize="15sp"/> <ImageView android:src="@drawable/jiantou1_pressed" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:id="@+id/iv_jt" /> <View android:layout_width="match_parent" android:layout_height="0.2dp" android:background="#a000" android:layout_alignParentBottom="true" /> </RelativeLayout>
运行界面：
SettingActivity.java
/**
* 设置中心
*
* @author mxn
*
*/
public class SettingActivity extends Activity {
private SettingItemView sivUpdate;// 设置自动更新
private SettingItemView sivAddress;// 设置归属地
private SettingClickView scvAddressStyle;// 修改风格
private SettingClickView scvAddressLocation;// 修改归属地位置
private SharedPreferences mPref;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_setting);
mPref = getSharedPreferences("config", MODE_PRIVATE);
//MODE_PRIVATE访问权限
initUpdateView();
initAddressView();
initAddressStyle();
}
/**
* 初始化自动更新开关
*/
private void initUpdateView() {
sivUpdate = (SettingItemView) findViewById(R.id.siv_update);
// sivUpdate.setTitle("自动更新设置");
//默认设置的开启，用户进入之后
boolean autoUpdate = mPref.getBoolean("auto_update", true);
if (autoUpdate) {
// sivUpdate.setDesc("自动更新已开启");
sivUpdate.setChecked(true);
} else {
// sivUpdate.setDesc("自动更新已关闭");
sivUpdate.setChecked(false);
}
sivUpdate.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// 判断当前的勾选状态
if (sivUpdate.isChecked()) {
// 设置不勾选
sivUpdate.setChecked(false);
// sivUpdate.setDesc("自动更新已关闭");
// 更新sp
mPref.edit().putBoolean("auto_update", false).commit();
} else {
sivUpdate.setChecked(true);
// sivUpdate.setDesc("自动更新已开启");
// 更新sp
mPref.edit().putBoolean("auto_update", true).commit();
}
}
});
}
/**
* 初始化归属地开关显示
*/
private void initAddressView() {
sivAddress = (SettingItemView) findViewById(R.id.siv_address);
// 根据归属地服务是否运行来更新checkbox
boolean serviceRunning = ServiceStatusUtils.isServiceRunning(this,
"com.itheima52.mobilesafe.service.AddressService");
if (serviceRunning) {
sivAddress.setChecked(true);
} else {
sivAddress.setChecked(false);
}
sivAddress.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (sivAddress.isChecked()) {
sivAddress.setChecked(false);
stopService(new Intent(SettingActivity.this,
AddressService.class));// 停止归属地服务
} else {
sivAddress.setChecked(true);
startService(new Intent(SettingActivity.this,
AddressService.class));// 开启归属地服务
}
}
});
}
final String[] items = new String[] { "半透明", "活力橙", "卫士蓝", "金属灰", "苹果绿" };
/**
* 修改归属地提示框显示风格
*/
private void initAddressStyle() {
scvAddressStyle = (SettingClickView) findViewById(R.id.scv_address_style);
scvAddressStyle.setTitle("归属地提示框风格");
int style = mPref.getInt("address_style", 0);// 读取保存的style
scvAddressStyle.setDesc(items[style]);
scvAddressStyle.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
showSingleChooseDailog();
}
});
}
/**
* 弹出选择风格的单选框
*/
protected void showSingleChooseDailog() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
// builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("归属地提示框风格");
int style = mPref.getInt("address_style", 0);// 读取保存的style
builder.setSingleChoiceItems(items, style,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
mPref.edit().putInt("address_style", which).commit();// 保存选择的风格
dialog.dismiss();// 让dialog消失
scvAddressStyle.setDesc(items[which]);// 更新组合控件的描述信息
}
});
builder.setNegativeButton("取消", null);
builder.show();
}
}