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Merge pull request Blankj#62 from onlylemi/patch-2
see 10/15 log
2 parents 71c7499 + 1b99535 commit 03fba42

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+207
-11
lines changed

2 files changed

+207
-11
lines changed

‎utilcode/src/main/java/com/blankj/utilcode/utils/AppUtils.java

Lines changed: 27 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -427,17 +427,33 @@ public static String getAppSignatureSHA1(Context context, String packageName) {
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* @return {@code true}: 是<br>{@code false}: 否
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*/
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public static boolean isAppForeground(Context context) {
430-
ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
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List<ActivityManager.RunningAppProcessInfo> processInfos = am.getRunningAppProcesses();
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if (processInfos != null) {
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for (ActivityManager.RunningAppProcessInfo processInfo : processInfos) {
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if (processInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND
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&& Arrays.asList(processInfo.pkgList).contains(context.getPackageName())) {
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return true;
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}
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}
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}
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return false;
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return ProcessUtils.isAppForeground(context);
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}
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/**
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* 判断某个App是否处于前台（系统应用调用）
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* <p>API < 21，需要添加 {@code <uses-permission android:name="android.permission.GET_TASKS"/>} 权限</p>
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* <p>API >= 22，需要添加　{@code <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>} 权限</p>
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*
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* @param context 上下文
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* @param packageName 包名
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* @return {@code true}: 是<br>{@code false}: 否
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*/
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@Deprecated
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public static boolean isAppForeground(Context context, String packageName) {
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return ProcessUtils.isAppForeground(context, packageName);;
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}
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/**
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* 获取前台应用包名（系统应用调用）
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* <p>API < 21，需要添加 {@code <uses-permission android:name="android.permission.GET_TASKS"/>} 权限</p>
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* <p>API >= 22，需要添加　{@code <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>} 权限</p>
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*
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* @param context 上下文
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* @return 前台应用包名
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*/
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public String getForegroundApp(Context context) {
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return ProcessUtils.getForegroundPackage(context);
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}
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/**

‎utilcode/src/main/java/com/blankj/utilcode/utils/ProcessUtils.java

Lines changed: 180 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,180 @@
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package com.blankj.utilcode.utils;
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import android.annotation.TargetApi;
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import android.app.ActivityManager;
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import android.app.usage.UsageEvents;
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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.Context;
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import android.os.Build;
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import android.text.TextUtils;
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import java.util.Arrays;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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/**
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* <pre>
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* author: onlylemi
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* blog : https://github.com/onlylemi
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* time : 2016/10/14
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* desc : 前台进程信息获取相关
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* </pre>
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*/
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public class ProcessUtils {
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private static UsageStats recentStats;
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private static String result;
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private ProcessUtils() {
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}
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/**
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* 判断应用是否处于前台
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*
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* @param context
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* @return
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*/
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public static boolean isAppForeground(Context context) {
40+
ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
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List<ActivityManager.RunningAppProcessInfo> runningAppProcessInfos = manager.getRunningAppProcesses();
42+
if (runningAppProcessInfos == null || runningAppProcessInfos.size() == 0) {
43+
return false;
44+
}
45+
for (ActivityManager.RunningAppProcessInfo ra : runningAppProcessInfos) {
46+
if (ra.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND
47+
&& Arrays.asList(ra.pkgList).contains(context.getPackageName())) {
48+
return true;
49+
}
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}
51+
return false;
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}
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/**
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* 判断某个应用是否处于前台（系统应用调用）
56+
* <p>API < 21，需要添加 {@code <uses-permission android:name="android.permission.GET_TASKS"/>} 权限</p>
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* <p>API >= 22，需要添加　{@code <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>} 权限</p>
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*
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* @param context
60+
* @param packageName
61+
* @return
62+
*/
63+
public static boolean isAppForeground(Context context, String packageName) {
64+
return TextUtils.equals(packageName, getForegroundPackage(context));
65+
}
66+
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/**
68+
* 获取前台应用包名（系统应用调用）
69+
* <p>API < 21，需要添加 {@code <uses-permission android:name="android.permission.GET_TASKS"/>} 权限</p>
70+
* <p>API >= 22，需要添加　{@code <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>} 权限</p>
71+
*
72+
* @param context
73+
* @return
74+
*/
75+
public static String getForegroundPackage(Context context) {
76+
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
77+
return getForegroundPackage1(context);
78+
} else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP_MR1) {
79+
return getForegroundPackage2(context);
80+
} else {
81+
return getForegroundPackage3(context);
82+
}
83+
}
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85+
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/**
87+
* 获取前台应用包名（API < 21，已被遗弃，不能使用）
88+
* <p>需要添加　{@code <uses-permission android:name="android.permission.GET_TASKS"/>} 权限</p>
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*
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* @param context
91+
* @return
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*/
93+
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
94+
private static String getForegroundPackage1(Context context) {
95+
ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
96+
List<ActivityManager.RunningTaskInfo> runningTaskInfos = manager.getRunningTasks(1);
97+
if (runningTaskInfos == null || runningTaskInfos.size() == 0
98+
|| runningTaskInfos.get(0) == null) {
99+
return null;
100+
}
101+
102+
return runningTaskInfos.get(0).topActivity.getPackageName();
103+
}
104+
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/**
106+
* 获取前台应用包名（在 API 22 开始仅可以获取自己的应用，其他应用位于前台时获取到为 null，但可以通过此方式判断自己的应用是否处于前台）
107+
*
108+
* @param context
109+
* @return
110+
*/
111+
@TargetApi(Build.VERSION_CODES.LOLLIPOP_MR1)
112+
private static String getForegroundPackage2(Context context) {
113+
ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
114+
List<ActivityManager.RunningAppProcessInfo> runningAppProcessInfos = manager.getRunningAppProcesses();
115+
if (runningAppProcessInfos == null || runningAppProcessInfos.size() == 0) {
116+
return null;
117+
}
118+
for (ActivityManager.RunningAppProcessInfo ra : runningAppProcessInfos) {
119+
if (ra.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
120+
return ra.processName;
121+
}
122+
}
123+
return null;
124+
}
125+
126+
/**
127+
* 获取前台应用包名（API >= 22）
128+
* <p>需要添加　{@code <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>} 权限</p>
129+
*
130+
* @param context
131+
* @return
132+
*/
133+
@TargetApi(Build.VERSION_CODES.LOLLIPOP_MR1)
134+
public static String getForegroundPackage3(Context context) {
135+
UsageStatsManager usageStatsManager = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
136+
137+
Calendar calendar = Calendar.getInstance();
138+
calendar.setTime(new Date());
139+
long endTime = calendar.getTimeInMillis();// 结束时间
140+
calendar.add(Calendar.DAY_OF_MONTH, -1);// 时间间隔为一个月
141+
long beginTime = calendar.getTimeInMillis();// 开始时间
142+
// 获取一个月内的信息
143+
List<UsageStats> usageStatses = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_MONTHLY, beginTime, endTime);
144+
if (usageStatses == null || usageStatses.size() == 0) {
145+
return null;
146+
}
147+
for (UsageStats usageStats : usageStatses) {
148+
if (recentStats == null || usageStats.getLastTimeUsed() > recentStats.getLastTimeUsed()) {
149+
recentStats = usageStats;
150+
}
151+
}
152+
153+
return recentStats.getPackageName();
154+
}
155+
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/**
157+
* 获取前台应用包名（API >= 22）
158+
* <p>需要添加　{@code <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>} 权限</p>
159+
*
160+
* @param context
161+
* @return
162+
*/
163+
@TargetApi(Build.VERSION_CODES.LOLLIPOP_MR1)
164+
private static String getForegroundPackage4(Context context) {
165+
UsageStatsManager usageStatsManager = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
166+
167+
long endTime = System.currentTimeMillis();
168+
long beginTime = endTime - 10 * 1000;
169+
UsageEvents.Event event = new UsageEvents.Event();
170+
UsageEvents usageEvents = usageStatsManager.queryEvents(beginTime, endTime);
171+
while (usageEvents.hasNextEvent()) {
172+
usageEvents.getNextEvent(event);
173+
if (event.getEventType() == UsageEvents.Event.MOVE_TO_FOREGROUND) {
174+
result = event.getPackageName();
175+
}
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}
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return result;
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}
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}

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