ComUtil.java

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package my.home.common.util;

import android.app.ActivityManager;
import android.content.Context;
import android.hardware.display.DisplayManager;
import android.os.Build;
import android.os.PowerManager;
import android.view.Display;

import java.util.List;

public class ComUtil {
    public static String readFileContent(String fileName) {
        return null;
    }

    public static String DateToCmdString(int year, int month, int day) {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append(year);
        stringBuilder.append("年");
        stringBuilder.append(month);
        stringBuilder.append("月");
        stringBuilder.append(day);
        stringBuilder.append("日");
        return stringBuilder.toString();
    }

    public static String TimeToCmdString(int hourOfDay, int minute) {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append(hourOfDay);
        stringBuilder.append("点");
        stringBuilder.append(minute);
        stringBuilder.append("分");
        return stringBuilder.toString();
    }

    public static String getTimestamp() {
        Long tsLong = System.currentTimeMillis() / 1000;
        return tsLong.toString();
    }

    public static boolean isServiceRunning(Context context, Class<?> serviceClass) {
        ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
            if (serviceClass.getName().equals(service.service.getClassName())) {
                return true;
            }
        }
        return false;
    }

    public static boolean isScreenOn(Context context) {
        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
            DisplayManager dm = (DisplayManager) context.getSystemService(Context.DISPLAY_SERVICE);
            boolean screenOn = false;
            for (Display display : dm.getDisplays()) {
                if (display.getState() != Display.STATE_OFF) {
                    screenOn = true;
                }
            }
            return screenOn;
        } else {
            PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
            //noinspection deprecation
            return pm.isScreenOn();
        }
    }

    public static String getProcessName(Context context) {
        String currentProcName = "";
        int pid = android.os.Process.myPid();
        ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        for (ActivityManager.RunningAppProcessInfo processInfo : manager.getRunningAppProcesses()) {
            if (processInfo.pid == pid) {
                currentProcName = processInfo.processName;
                break;
            }
        }
        return currentProcName;
    }

    public static boolean isMainProcess(Context context) {
        ActivityManager am = ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE));
        List<ActivityManager.RunningAppProcessInfo> processInfos = am.getRunningAppProcesses();
        String mainProcessName = context.getPackageName();
        int myPid = android.os.Process.myPid();
        for (ActivityManager.RunningAppProcessInfo info : processInfos) {
            if (info.pid == myPid && mainProcessName.equals(info.processName)) {
                return true;
            }
        }
        return false;
    }
}