79 lines
2.7 KiB
Java
79 lines
2.7 KiB
Java
package com.stardust.scriptdroid.runningservices;
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import android.annotation.TargetApi;
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import android.app.ActivityManager;
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import android.app.usage.UsageStats;
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import android.app.usage.UsageStatsManager;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Build;
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import android.provider.Settings;
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import java.util.Collections;
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import java.util.List;
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/**
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* Created by Stardust on 2017/1/20.
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*/
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public class RunningPackageTool {
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public static String getRunningPackage(Context context) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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return getRunningPackageLollipop(context);
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} else {
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return getRunningPackageBeforeLollipop(context);
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}
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}
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private static String getRunningPackageBeforeLollipop(Context context) {
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ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
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@SuppressWarnings("deprecation")
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ComponentName runningActivity = am.getRunningTasks(1).get(0).topActivity;
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return runningActivity.getPackageName();
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}
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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private static String getRunningPackageLollipop(Context context) {
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List<UsageStats> usageStats = getPastTwoSecondsUsageStats(context);
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UsageStats latestStats = findLatestUsageStats(usageStats);
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if (latestStats == null)
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return null;
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return latestStats.getPackageName();
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}
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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private static void goToUsageAccessSettings(Context context) {
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Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
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context.startActivity(intent);
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}
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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private static UsageStats findLatestUsageStats(List<UsageStats> usageStats) {
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UsageStats latestStats = null;
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for (UsageStats us : usageStats) {
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if (latestStats == null || latestStats.getLastTimeUsed() < us.getLastTimeUsed()) {
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latestStats = us;
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}
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}
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return latestStats;
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}
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@TargetApi(Build.VERSION_CODES.LOLLIPOP_MR1)
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@SuppressWarnings("unchecked")
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private static List<UsageStats> getPastTwoSecondsUsageStats(Context context) {
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long ts = System.currentTimeMillis();
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UsageStatsManager usageStatsManager = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
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List<UsageStats> usageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_BEST, ts - 2000, ts);
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if (usageStats == null) {
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usageStats = Collections.EMPTY_LIST;
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}
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return usageStats;
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}
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}
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