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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(Context context, String phoneNumber) {context.startActivity(new Intent(Intent.ACTION_CALL, Uri.parse(“tel:” + phoneNumber)));}跳转至拨号界面(Context context, String phoneNumber) {context.startActivity(new Intent(Intent.ACTION_DIAL, Uri.parse(“tel:” + phoneNumber)));}发送短信(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
=”android.permission.DISABLE_KEYGUARD” />判断当前App处于前台还是后台状态(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
<uses-permissionandroid:name=”android.permission.GET_TASKS” />判断当前手机是否处于锁屏(睡眠)状态(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(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 (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 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 (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 @SuppressWarnings(“deprecation”)(Context context) {WindowManager manager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);return manager.getDefaultDisplay().getWidth();}@SuppressWarnings(“deprecation”)(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 @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 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 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;}
，那些无法讲述的悲伤和苍凉，
