package com.brome.usbnet;
/**
* 设置界面活动类
* 功能：管理应用的偏好设置，支持AP配置、路由设置、DNS设置和功耗控制
* 界面类型：单窗格列表（强制简化模式，不支持平板双面板）
*/
import
android.annotation.TargetApi;
import
android.content.Context;
import
android.content.Intent;
import
android.content.Shared
Preferences;
import
android.content.res.Configuration;
import
android.media.Ringtone;
import
android.media.RingtoneManager;
import
android.net.Uri;
import
android.os.Build;
import
android.os.Bundle;
import
android.
preference.CheckBox
Preference;
import
android.
preference.
EditTextPreference;
import
android.
preference.List
Preference;
import
android.
preference.
Preference;
import
android.
preference.
PreferenceActivity;
import
android.
preference.
PreferenceCategory;
import
android.
preference.
PreferenceFragment;
import
android.
preference.
PreferenceManager;
import
android.
preference.
RingtonePreference;
import
android.text.TextUtils;
import
android.
preference.Switch
Preference; // 使用标准库中的 Switch
Preference
import java.util.List;
import
android.content.ServiceConnection;
import
android.util.Log;
/**
* A {@link
PreferenceActivity} that presents a set of application settings. On
* handset devices, settings are presented as a single list. On tablets,
* settings are split by category, with category headers shown to the left of
* the list of settings.
* <p>
* See <a href="http://developer.
android.com/design/patterns/settings.html">
*
Android Design: Settings</a> for design guidelines and the <a
* href="http://developer.
android.com/guide/topics/ui/settings.html">Settings
* API Guide</a> for more information on developing a Settings UI.
*/
public class SettingsActivity extends
PreferenceActivity {
private CheckBox
Preference powerControlSwitch;
private List
Preference powerControlOptions;
private PowerControl powerControl;
private usbNetService mService; // 新增：用于存储 usbNetService 实例;
private static final String TAG = "SettingsActivity";
/**
* Determines whether to always show the simplified settings UI, where
* settings are presented in a single list. When false, settings are shown
* as a master/detail two-pane view on tablets. When true, a single pane is
* shown on tablets.
*/
private static final boolean ALWAYS_SIMPLE_PREFS = false;
///////////////////////////////////////////////
@Override
protected void onPostCreate
(Bundle savedInstanceState
) {
super.onPostCreate
(savedInstanceState
);
setupSimple
PreferencesScreen
();
}
@Override
protected void onCreate
(Bundle savedInstanceState
) {
super.onCreate
(savedInstanceState
);
// 获取 usbNetService 实例
Intent intent = getIntent
();
if
(intent != null
) {
mService =
(usbNetService
) intent.getSerializableExtra
("usbNetService"
); // 假设通过 Intent 传递了 usbNetService 实例
}
if
(mService != null
) {
// 获取 AccessoryForwarder 实例
AccessoryForwarder forwarder = mService.getAccessoryForwarder
(); // 假设 usbNetService 有 getAccessoryForwarder
() 方法
// 初始化 PowerControl 类
powerControl = new PowerControl
(this, forwarder
);
}
}
/**
* Shows the simplified settings UI if the device configuration if the
* device configuration dictates that a simplified, single-pane UI should be
* shown.
*/
private void setupSimple
PreferencesScreen
() {
//if
(!isSimple
Preferences(this
)) {
// return;
//}
Intent intent = getIntent
();
int ApEnable = intent.getIntExtra
("ApEnable",-1
);
String ApSSID = intent.getStringExtra
("ApSSID"
);
String ApPasswd = intent.getStringExtra
("ApPasswd"
);
//add
PreferencesFromResource
(R.xml.pref_sleep
);
if
(ApEnable >= 0 && ApEnable <=1
)
{
Shared
Preferences preferences =
PreferenceManager.getDefaultShared
Preferences(this
);
preferences.edit
()
.putBoolean
("pref_enable_ap", ApEnable==1?true:false
)
.putString
("pref_ap_ssid",ApSSID
)
.putString
("pref_ap_passwd",ApPasswd
)
.commit
();
add
PreferencesFromResource
(R.xml.pref_ap
);
bind
PreferenceSummaryToValue
(find
Preference("pref_ap_ssid"
));
bind
PreferenceSummaryToValue
(find
Preference("pref_ap_passwd"
));
}
add
PreferencesFromResource
(R.xml.pref_route
);
add
PreferencesFromResource
(R.xml.pref_dns
);
bind
PreferenceSummaryToValue
(find
Preference("pref_enable_default"
));
bind
PreferenceSummaryToValue
(find
Preference("pref_enable_dns"
));
bind
PreferenceSummaryToValue
(find
Preference("static_route0"
));
bind
PreferenceSummaryToValue
(find
Preference("static_route1"
));
bind
PreferenceSummaryToValue
(find
Preference("static_route2"
));
bind
PreferenceSummaryToValue
(find
Preference("static_dns0"
));
// 加载功耗控制布局文件的代码
add
PreferencesFromResource
(R.xml.pref_power_control
);
bind
PreferenceSummaryToValue
(find
Preference("pref_enable_power_control"
));
bind
PreferenceSummaryToValue
(find
Preference("pref_power_control_options"
));
/////////////////////////////////////////////////////////////////////
// 获取功耗控制开关和自动休眠时间设置
Preference powerControlSwitchPref = find
Preference("pref_enable_power_control"
);
Preference powerControlOptionsPref = find
Preference("pref_power_control_options"
);
// 检查偏好设置是否存在
if
(powerControlSwitchPref == null || powerControlOptionsPref == null
) {
Log.e
(TAG, "
Preference not found: powerControlSwitch=" +
(powerControlSwitchPref == null
) + ", powerControlOptions=" +
(powerControlOptionsPref == null
));
return;
}
// 安全地转换类型
try {
powerControlSwitch =
(CheckBox
Preference) powerControlSwitchPref;
powerControlOptions =
(List
Preference) powerControlOptionsPref;
} catch
(ClassCastException e
) {
Log.e
(TAG, "Error casting
preferences", e
);
return;
}
//////////////////20250610///////////////////////
// 设置监听
powerControlSwitch.setOn
PreferenceChangeListener
(powerControlChangeListener
);
powerControlOptions.setOn
PreferenceChangeListener
(powerControlChangeListener
);
// 触发初始值监听
powerControlChangeListener.on
PreferenceChange
(powerControlSwitch,
PreferenceManager.getDefaultShared
Preferences(this
)
.getBoolean
(powerControlSwitch.getKey
(), false
));
powerControlChangeListener.on
PreferenceChange
(powerControlOptions,
PreferenceManager.getDefaultShared
Preferences(this
)
.getString
(powerControlOptions.getKey
(), null
));
//////////////////20250610///////////////////////
}
//////////////////20250610///////////////////////
private
Preference.On
PreferenceChangeListener powerControlChangeListener = new
Preference.On
PreferenceChangeListener
() {
@Override
public boolean on
PreferenceChange
(Preference preference, Object newValue
) {
if
(preference.getKey
().equals
("pref_enable_power_control"
)) {
boolean isEnabled =
(boolean
) newValue;
powerControlOptions.setEnabled
(isEnabled
);
if
(isEnabled
) {
// 启用功耗控制，触发获取休眠时间
powerControl.getAutoSleepTime
();
}
} else if
(preference.getKey
().equals
("pref_power_control_options"
)) {
if
(powerControlSwitch.isChecked
()) {
// 启用功耗控制且自动休眠时间改变，触发获取休眠时间
powerControl.getAutoSleepTime
();
}
}
return true;
}
};
//////////////////20250610///////////////////////
/** {@inheritDoc} */
@Override
public boolean onIsMultiPane
() {
return isXLargeTablet
(this
) && !isSimple
Preferences(this
);
}
/**
* Helper method to determine if the device has an extra-large screen. For
* example, 10" tablets are extra-large.
*/
private static boolean isXLargeTablet
(Context context
) {
return
(context.getResources
().getConfiguration
().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK
) >= Configuration.SCREENLAYOUT_SIZE_XLARGE;
}
/**
* Determines whether the simplified settings UI should be shown. This is
* true if this is forced via {@link #ALWAYS_SIMPLE_PREFS}, or the device
* doesn't have newer APIs like {@link
PreferenceFragment}, or the device
* doesn't have an extra-large screen. In these cases, a single-pane
* "simplified" settings UI should be shown.
*/
private static boolean isSimple
Preferences(Context context
) {
return ALWAYS_SIMPLE_PREFS;
//|| Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB ;
//|| !isXLargeTablet
(context
);
}
/** {@inheritDoc} */
@Override
@TargetApi
(Build.VERSION_CODES.HONEYCOMB
)
public void onBuildHeaders
(List<Header> target
) {
if
(!isSimple
Preferences(this
)) {
//loadHeadersFromResource
(R.xml.pref_headers, target
);
}
}
private void bind
PreferenceSummaryToValue
(Preference preference) {
// Set the listener to watch for value changes.
preference
.setOn
PreferenceChangeListener
(sBind
PreferenceSummaryToValueListener
);
// Trigger the listener immediately with the
preference's
// current value.
if
(preference instanceof CheckBox
Preference)
{
sBind
PreferenceSummaryToValueListener.on
PreferenceChange
(
preference,
PreferenceManager
.getDefaultShared
Preferences(preference.getContext
())
.getBoolean
(preference.getKey
(),false
)
);
}
else if
(preference instanceof
EditTextPreference)
{
sBind
PreferenceSummaryToValueListener.on
PreferenceChange
(
preference,
PreferenceManager
.getDefaultShared
Preferences(preference.getContext
())
.getString
(preference.getKey
(),""
)
);
}
}
/**
* A
preference value change listener that updates the
preference's summary
* to reflect its new value.
*/
private
Preference.On
PreferenceChangeListener sBind
PreferenceSummaryToValueListener = new
Preference.On
PreferenceChangeListener
() {
@Override
public boolean on
PreferenceChange
(Preference preference, Object value
) {
String stringValue = value.toString
();
if
(preference instanceof CheckBox
Preference)
{
if
(preference.getKey
().equals
("pref_enable_default"
))
{
boolean enable =
(Boolean
)value;
find
Preference("static_route0"
).setEnabled
(!enable
);
find
Preference("static_route1"
).setEnabled
(!enable
);
find
Preference("static_route2"
).setEnabled
(!enable
);
}
else if
(preference.getKey
().equals
("pref_enable_dns"
))
{
boolean enable =
(Boolean
)value;
find
Preference("static_dns0"
).setEnabled
(enable
);
}
}else {
preference.setSummary
(stringValue
);
}
return true;
}
};
/**
* This fragment shows general
preferences only. It is used when the
* activity is showing a two-pane settings UI.
*/
@TargetApi
(Build.VERSION_CODES.HONEYCOMB
)
public static class General
PreferenceFragment extends
PreferenceFragment {
@Override
public void onCreate
(Bundle savedInstanceState
) {
super.onCreate
(savedInstanceState
);
add
PreferencesFromResource
(R.xml.pref_route
);
add
PreferencesFromResource
(R.xml.pref_dns
);
add
PreferencesFromResource
(R.xml.pref_power_control
);
}
}
}<
PreferenceScreen xmlns:
android="http://schemas.
android.com/apk/res/
android">
<
PreferenceCategory
android:title="@string/pref_title_power_control_setting" />
<CheckBox
Preference
android:defaultValue="false"
android:key="pref_enable_power_control"
android:summary="@string/pref_description_enable_power_control"
android:title="@string/pref_title_enable_power_control" />
<List
Preference
android:entries="@array/pref_power_control_entries"
android:entryValues="@array/pref_power_control_values"
android:key="pref_power_control_options"
android:title="@string/pref_title_power_control_options" />
</
PreferenceScreen>当我勾选启用能耗控制的
选项时候程序崩溃了帮我分析代码价检查原因
本文详细介绍了EditTextPreference和RingtonePreference的使用方法，包括它们的代码实现和存储方式。
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