原文地址：http://blog.csdn.net/zhaokaiqiang1992
以下内容来自多个开源项目的整理和自己的项目积累
拨打电话
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public static void call(Context context, String phoneNumber) {context.startActivity(new Intent(Intent.ACTION_CALL, Uri.parse('tel:' + phoneNumber)));} |
跳转至拨号界面
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public static void callDial(Context context, String phoneNumber) {context.startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse('tel:' + phoneNumber)));} |
发送短信
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public static void sendSms(Context context, String phoneNumber,String content) {Uri uri = Uri.parse('smsto:'+ (TextUtils.isEmpty(phoneNumber) ? '' : phoneNumber));Intent intent = new Intent(Intent.ACTION_SENDTO, uri);intent.putExtra('sms_body', TextUtils.isEmpty(content) ? '' : content);context.startActivity(intent);} |
唤醒屏幕并解锁
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public static void wakeUpAndUnlock(Context context){KeyguardManager km= (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);KeyguardManager.KeyguardLock kl = km.newKeyguardLock('unLock');//解锁kl.disableKeyguard();//获取电源管理器对象PowerManager pm=(PowerManager) context.getSystemService(Context.POWER_SERVICE);//获取PowerManager.WakeLock对象,后面的参数|表示同时传入两个值,最后的是LogCat里用的TagPowerManager.WakeLock wl = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.SCREEN_DIM_WAKE_LOCK,'bright');//点亮屏幕wl.acquire();//释放wl.release();} |
需要添加权限
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<uses-permission android:name='android.permission.WAKE_LOCK' /><uses-permission android:name='android.permission.DISABLE_KEYGUARD' /> |
判断当前App处于前台还是后台状态
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public static boolean isApplicationBackground(final Context context) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);@SuppressWarnings('deprecation')List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);if (!tasks.isEmpty()) {ComponentName topActivity = tasks.get(0).topActivity;if (!topActivity.getPackageName().equals(context.getPackageName())) {return true;}}return false;} |
需要添加权限
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<uses-permission
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判断当前手机是否处于锁屏(睡眠)状态
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public static boolean isSleeping(Context context) {KeyguardManager kgMgr = (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);boolean isSleeping = kgMgr.inKeyguardRestrictedInputMode();return isSleeping;} |
判断当前是否有网络连接
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public static boolean isOnline(Context context) {ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Activity.CONNECTIVITY_SERVICE);NetworkInfo info = manager.getActiveNetworkInfo();if (info != null && info.isConnected()) {return true;}return false;} |
判断当前是否是WIFI连接状态
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public static boolean isWifiConnected(Context context) {ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);NetworkInfo wifiNetworkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);if (wifiNetworkInfo.isConnected()) {return true;}return false;} |
安装APK
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public static void installApk(Context context, File file) {Intent intent = new Intent();intent.setAction('android.intent.action.VIEW');intent.addCategory('android.intent.category.DEFAULT');intent.setType('application/vnd.android.package-archive');intent.setDataAndType(Uri.fromFile(file),'application/vnd.android.package-archive');intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);context.startActivity(intent);} |
判断当前设备是否为手机
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public static boolean isPhone(Context context) {TelephonyManager telephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);if (telephony.getPhoneType() == TelephonyManager.PHONE_TYPE_NONE) {return false;} else {return true;}} |
获取当前设备宽高，单位px
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@SuppressWarnings('deprecation')public static int getDeviceWidth(Context context) {WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);return manager.getDefaultDisplay().getWidth();}@SuppressWarnings('deprecation')public static int getDeviceHeight(Context context) {WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);return manager.getDefaultDisplay().getHeight();} |
获取当前设备的IMEI，需要与上面的isPhone()一起使用
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@TargetApi(Build.VERSION_CODES.CUPCAKE)public static String getDeviceIMEI(Context context) {String deviceId;if (isPhone(context)) {TelephonyManager telephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);deviceId = telephony.getDeviceId();} else {deviceId = Settings.Secure.getString(context.getContentResolver(),Settings.Secure.ANDROID_ID);}return deviceId;} |
获取当前设备的MAC地址
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public static String getMacAddress(Context context) {String macAddress;WifiManager wifi = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);WifiInfo info = wifi.getConnectionInfo();macAddress = info.getMacAddress();if (null == macAddress) {return '';}macAddress = macAddress.replace(':', '');return macAddress;} |
获取当前程序的版本号
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public static String getAppVersion(Context context) {String version = '0';try {version = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;} catch (PackageManager.NameNotFoundException e) {e.printStackTrace();}return version;} |