手机状态工具类,此工具类不是网上大家用烂的那一份，是博主亲自编写，亲自测试，代码简洁清晰，可满足日常开发。
- 申请权限
<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
- 工具类
import android.annotation.TargetApi;
import android.os.Build;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
import android.media.AudioManager;
import android.os.Build;
import android.provider.Settings;
import android.view.Window;
import android.view.WindowManager;
/**
* Created on 2021/4/2 13:54
* 手机状态工具类 主要包括网络、蓝牙、屏幕亮度、飞行模式、音量等
* @author Gong Youqiang
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public class DeviceStatusUtils {
/**
* Don't let anyone instantiate this class.
*/
private DeviceStatusUtils() {
throw new Error("Do not need instantiate!");
}
/**
* 获取系统屏幕亮度模式的状态，需要WRITE_SETTINGS权限
*
* @param context
* 上下文
* @return System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC：自动；System.
* SCREEN_BRIGHTNESS_MODE_AUTOMATIC
* ：手动；默认：System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC
*/
public static int getScreenBrightnessModeState(Context context) {
return Settings.System.getInt(context.getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS_MODE,
Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
}
/**
* 判断系统屏幕亮度模式是否是自动，需要WRITE_SETTINGS权限
*
* @param context
* 上下文
* @return true：自动；false：手动；默认：true
*/
public static boolean isScreenBrightnessModeAuto(Context context) {
return getScreenBrightnessModeState(context) == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC ? true
: false;
}
/**
* 设置系统屏幕亮度模式，需要WRITE_SETTINGS权限
*
* @param context
* 上下文
* @param auto
* 自动
* @return 是否设置成功
*/
public static boolean setScreenBrightnessMode(Context context, boolean auto) {
boolean result = true;
if (isScreenBrightnessModeAuto(context) != auto) {
result = Settings.System.putInt(context.getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS_MODE,
auto ? Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC
: Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
}
return result;
}
/**
* 获取系统亮度，需要WRITE_SETTINGS权限
*
* @param context
* 上下文
* @return 亮度，范围是0-255；默认255
*/
public static int getScreenBrightness(Context context) {
return Settings.System.getInt(context.getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS, 255);
}
/**
* 设置系统亮度（此方法只是更改了系统的亮度属性，并不能看到效果。要想看到效果可以使用setWindowBrightness()方法设置窗口的亮度），
* 需要WRITE_SETTINGS权限
*
* @param context
* 上下文
* @param screenBrightness
* 亮度，范围是0-255
* @return 设置是否成功
*/
public static boolean setScreenBrightness(Context context,
int screenBrightness) {
int brightness = screenBrightness;
if (screenBrightness < 1) {
brightness = 1;
} else if (screenBrightness > 255) {
brightness = screenBrightness % 255;
if (brightness == 0) {
brightness = 255;
}
}
boolean result = Settings.System.putInt(context.getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS, brightness);
return result;
}
/**
* 设置给定Activity的窗口的亮度（可以看到效果，但系统的亮度属性不会改变）
*
* @param activity
* 要通过此Activity来设置窗口的亮度
* @param screenBrightness
* 亮度，范围是0-255
*/
public static void setWindowBrightness(Activity activity,
float screenBrightness) {
float brightness = screenBrightness;
if (screenBrightness < 1) {
brightness = 1;
} else if (screenBrightness > 255) {
brightness = screenBrightness % 255;
if (brightness == 0) {
brightness = 255;
}
}
Window window = activity.getWindow();
WindowManager.LayoutParams localLayoutParams = window.getAttributes();
localLayoutParams.screenBrightness = (float) brightness / 255;
window.setAttributes(localLayoutParams);
}
/**
* 设置系统亮度并实时可以看到效果，需要WRITE_SETTINGS权限
*
* @param activity
* 要通过此Activity来设置窗口的亮度
* @param screenBrightness
* 亮度，范围是0-255
* @return 设置是否成功
*/
public static boolean setScreenBrightnessAndApply(Activity activity,
int screenBrightness) {
boolean result = true;
result = setScreenBrightness(activity, screenBrightness);
if (result) {
setWindowBrightness(activity, screenBrightness);
}
return result;
}
/**
* 获取屏幕休眠时间，需要WRITE_SETTINGS权限
*
* @param context
* 上下文
* @return 屏幕休眠时间，单位毫秒，默认30000
*/
public static int getScreenDormantTime(Context context) {
return Settings.System.getInt(context.getContentResolver(),
Settings.System.SCREEN_OFF_TIMEOUT, 30000);
}
/**
* 设置屏幕休眠时间，需要WRITE_SETTINGS权限
*
* @param context
* 上下文
* @param millis 时间
* @return 设置是否成功
*/
public static boolean setScreenDormantTime(Context context, int millis) {
return Settings.System.putInt(context.getContentResolver(),
Settings.System.SCREEN_OFF_TIMEOUT, millis);
}
/**
* 获取飞行模式的状态，需要WRITE_APN_SETTINGS权限
*
* @param context
* 上下文
* @return 1：打开；0：关闭；默认：关闭
*/
@SuppressWarnings("deprecation")
public static int getAirplaneModeState(Context context) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
return Settings.System.getInt(context.getContentResolver(),
Settings.System.AIRPLANE_MODE_ON, 0);
} else {
return Settings.Global.getInt(context.getContentResolver(),
Settings.Global.AIRPLANE_MODE_ON, 0);
}
}
/**
* 判断飞行模式是否打开，需要WRITE_APN_SETTINGS权限
*
* @param context
* 上下文
* @return true：打开；false：关闭；默认关闭
*/
public static boolean isAirplaneModeOpen(Context context) {
return getAirplaneModeState(context) == 1 ? true : false;
}
/**
* 设置飞行模式的状态，需要WRITE_APN_SETTINGS权限
*
* @param context
* 上下文
* @param enable
* 飞行模式的状态
* @return 设置是否成功
*/
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) @SuppressWarnings("deprecation")
public static boolean setAirplaneMode(Context context, boolean enable) {
boolean result = true;
// 如果飞行模式当前的状态与要设置的状态不一样
if (isAirplaneModeOpen(context) != enable) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
result = Settings.System.putInt(context.getContentResolver(),
Settings.System.AIRPLANE_MODE_ON, enable ? 1 : 0);
} else {
result = Settings.Global.putInt(context.getContentResolver(),
Settings.Global.AIRPLANE_MODE_ON, enable ? 1 : 0);
}
// 发送飞行模式已经改变广播
context.sendBroadcast(new Intent(
Intent.ACTION_AIRPLANE_MODE_CHANGED));
}
return result;
}
/**
* 获取蓝牙的状态
*
* @return 取值为BluetoothAdapter的四个静态字段：STATE_OFF, STATE_TURNING_OFF,
* STATE_ON, STATE_TURNING_ON
* @throws Exception
* 没有找到蓝牙设备
*/
public static int getBluetoothState() throws Exception {
BluetoothAdapter bluetoothAdapter = BluetoothAdapter
.getDefaultAdapter();
if (bluetoothAdapter == null) {
throw new Exception("bluetooth device not found!");
} else {
return bluetoothAdapter.getState();
}
}
/**
* 判断蓝牙是否打开
*
* @return true：已经打开或者正在打开；false：已经关闭或者正在关闭
* 没有找到蓝牙设备
*/
public static boolean isBluetoothOpen() {
int bluetoothStateCode = 0;
try {
bluetoothStateCode = getBluetoothState();
return bluetoothStateCode == BluetoothAdapter.STATE_ON
|| bluetoothStateCode == BluetoothAdapter.STATE_TURNING_ON ? true
: false;
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* 设置蓝牙状态
*
* @param enable
* 打开
* 没有找到蓝牙设备
*/
public static void setBluetooth(boolean enable) {
// 如果当前蓝牙的状态与要设置的状态不一样
if (isBluetoothOpen() != enable) {
// 如果是要打开就打开，否则关闭
if (enable) {
BluetoothAdapter.getDefaultAdapter().enable();
} else {
BluetoothAdapter.getDefaultAdapter().disable();
}
}
}
/**
* 获取铃声音量，需要WRITE_APN_SETTINGS权限
*
* @param context
* 上下文
* @return 铃声音量，取值范围为0-7；默认为0
*/
public static int getRingVolume(Context context) {
return ((AudioManager) context.getSystemService(Context.AUDIO_SERVICE)).getStreamVolume(AudioManager.STREAM_RING);
}
/**
* 获取媒体音量
*
* @param context
* 上下文
* @param ringVloume 音量
*/
public static void setRingVolume(Context context, int ringVloume) {
if (ringVloume < 0) {
ringVloume = 0;
} else if (ringVloume > 7) {
ringVloume = ringVloume % 7;
if (ringVloume == 0) {
ringVloume = 7;
}
}
((AudioManager) context.getSystemService(Context.AUDIO_SERVICE)).setStreamVolume(AudioManager.STREAM_RING,
ringVloume, AudioManager.FLAG_PLAY_SOUND);
}
}
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