//注册这个接口
registerActivityLifecycleCallbacks(activityLifecycleCallbacks);
}
@Override
public void onTerminate() {
//注销这个接口。
unregisterActivityLifecycleCallbacks(activityLifecycleCallbacks);
super.onTerminate();
}
public static List<Activity> activitys = new ArrayList<>();
public static Activity showActivitys;
private ActivityLifecycleCallbacks activityLifecycleCallbacks = new ActivityLifecycleCallbacks() {
@Override
public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
activitys.add(activity);
}
@Override
public void onActivityDestroyed(Activity activity) {
activitys.remove(activity);
}
@Override
public void onActivityStarted(Activity activity) {
}
@Override
public void onActivityResumed(Activity activity) {
showActivitys = activity;
LgqLogPlus.e("当前打开的页面为："+activity.getClass().getSimpleName());
}
@Override
public void onActivityPaused(Activity activity) {
}
@Override
public void onActivityStopped(Activity activity) {
}
@Override
public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
}
};
}
、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、、
public class LgqLogPlus {
private static int sCurrentLogLevel = Log.DEBUG;
private static String sPrefix = null;
@IntDef({ Log.VERBOSE, Log.DEBUG, Log.INFO, Log.WARN, Log.ERROR })
@Retention(RetentionPolicy.SOURCE)
public @interface LogLevel {
}
/**
* 初始化LogPlus，可选
*
* @param prefix Tag前缀，可以防止 RIL，IMS，AT，GSM，STK，CDMA，SMS 开头的log不会被打印
* @param logLevel 打log等级
*/
public static void init(String prefix, @LogLevel int logLevel) {
if (prefix != null) {
prefix = prefix.trim();
if (prefix.length() > 0) {
sPrefix = prefix;
}
}
sCurrentLogLevel = logLevel;
}
public static void v(@Nullable String tag, String msg, @Nullable Throwable tr) {
log(Log.VERBOSE, tag, msg, tr);
}
public static void v(@Nullable String tag, String msg) {
log(Log.VERBOSE, tag, msg, null);
}
public static void v(String msg, @Nullable Throwable tr) {
log(Log.VERBOSE, null, msg, tr);
}
public static void v(String msg) {
log(Log.VERBOSE, null, msg, null);
}
public static void d(@Nullable String tag, String msg, @Nullable Throwable tr) {
log(Log.DEBUG, tag, msg, tr);
}
public static void d(@Nullable String tag, String msg) {
log(Log.DEBUG, "lgq---------"+tag, msg, null);
}
public static void d(String msg, @Nullable Throwable tr) {
log(Log.DEBUG, null, msg, tr);
}
public static void d(String msg) {
log(Log.DEBUG, null, "lgq---dcg------"+msg, null);
}
public static void i(@Nullable String tag, String msg, @Nullable Throwable tr) {
log(Log.INFO, tag, msg, tr);
}
public static void i(@Nullable String tag, String msg) {
log(Log.INFO, tag, msg, null);
}
public static void i(String msg, @Nullable Throwable tr) {
log(Log.INFO, null, msg, tr);
}
public static void i(String msg) {
log(Log.INFO, null, "lgq---dcgiii------"+msg, null);
// log(Log.INFO, null, msg, null);
}
public static void w(@Nullable String tag, String msg, @Nullable Throwable tr) {
log(Log.WARN, tag, msg, tr);
}
public static void w(@Nullable String tag, String msg) {
log(Log.WARN, tag, msg, null);
}
public static void w(String msg, @Nullable Throwable tr) {
log(Log.WARN, null, msg, tr);
}
public static void w(String msg) {
log(Log.WARN, null, msg, null);
}
public static void e(@Nullable String tag, String msg, @Nullable Throwable tr) {
log(Log.ERROR, tag, msg, tr);
}
public static void e(@Nullable String tag, String msg) {
log(Log.ERROR, tag, msg, null);
}
public static void e(String msg, @Nullable Throwable tr) {
log(Log.ERROR, null, msg, tr);
}
public static void e(String msg) {
log(Log.ERROR, null, "lgq---dcg错误------"+msg, null);
}
private static void log(int logLevel, String tag, String msg, Throwable tr) {
if (logLevel < sCurrentLogLevel) {
return;
}
StackTraceElement e = Thread.currentThread().getStackTrace()[4];
String fileName = e.getFileName();
int lineNum = e.getLineNumber();
String methodName = e.getMethodName();
StringBuilder sb = new StringBuilder();
sb.append(methodName)
.append('(')
.append(fileName)
.append(':')
.append(lineNum)
.append(')')
.append(msg);
msg = sb.toString();
sb.delete(0, sb.length());
// 注意，如果tag是"IMS"开头的(还有其他)，log会不打印，所以加个"前缀_"
// 参考这里 http://stackoverflow.com/a/36469141/5324526
if (sPrefix != null) {
sb.append(sPrefix).append('_');
}
if (tag == null || tag.length() == 0 || tag.trim().length() == 0) {
String className = e.getClassName();
int index = className.lastIndexOf('.') + 1;
sb.append(className, index, className.length());
} else {
sb.append(tag);
}
tag = sb.toString();
if (tr == null) {
switch (logLevel) {
case Log.VERBOSE:
Log.v(tag, msg);
break;
case Log.DEBUG:
Log.d(tag, msg);
break;
case Log.INFO:
Log.i(tag, msg);
break;
case Log.WARN:
Log.w(tag, msg);
break;
case Log.ERROR:
Log.e(tag, msg);
break;
}
} else {
switch (logLevel) {
case Log.VERBOSE:
Log.v(tag, msg, tr);
break;
case Log.DEBUG:
Log.d(tag, msg, tr);
break;
case Log.INFO:
Log.i(tag, msg, tr);
break;
case Log.WARN:
Log.w(tag, msg, tr);
break;
case Log.ERROR:
Log.e(tag, msg, tr);
break;
}
}
}
}
