1. <string name="loading">离下班回家还剩%1$s分钟</string>

   ...

   String temp = getResources().getString(R.string.loading);

   String timeTip = String.format(temp,38);

   结果：离下班回家还剩38分钟

2. <string name="loading">离下班回家还剩%1$3s分钟</string>

   ...

   String temp = getResources().getString(R.string.loading);

   String timeTip = String.format(temp,38);

   结果：离下班回家还剩 38分钟

   注：m设置为3只有1个空格

3. <string name="loading">离下班回家还剩%1$3s分钟</string>

   ...

   String temp = getResources().getString(R.string.loading);

   String timeTip = String.format(temp,38);

   结果：离下班回家还剩 38分钟

   注：m设置为10，有8个空格

4. <string name="loading">离下班回家还剩%1$#4s分钟</string>

   ...

   String temp = getResources().getString(R.string.loading);

   String timeTip = String.format(temp,60);

   结果：app崩溃，抛出异常信息：java.lang.RuntimeException: Unable to start activity ComponentInfo{com.samson.test/com.samson.test.TestActivity}: java.util.FormatFlagsConversionMismatchException: %s does not support '#'

   注：%s不支持设置#

5. <string name="loading">离下班回家还剩%1$4d分钟</string>

   ...

   String temp = getResources().getString(R.string.loading);

   String timeTip = String.format(temp,38);

   结果：离下班回家还剩 38分钟

   注：m设置为4，有2个空格

6.<string name="loading">离下班回家还剩%1$3.3f分钟</string>

...

String temp = getResources().getString(R.string.loading);

String timeTip = String.format(temp,123321.1234567);

结果：离下班回家还剩123321.123分钟

注：m设置为3.3，小数位只取3位