statusbar上根据不同语言，添加PM,AM，或者上下午

Android原生的系统，在statusbar里的系统时间，用12小时制来显示时，是没有上下午的。现在就是跟他添加这个功能，当中文时候，添加在左边，当其他语言时候，添加在右边。

系统原生图片：

修改后的样式：

如果要上下午跟时间的字体大小一样，可以直接在

platform\frameworks\base\packages\SystemUI\src\com\android\systemui\statusbar\Clock.java

这个代码里修改输出结果。

不过要是想让上下午显示的比时间稍微小点，用户看起来舒服些，可以修改布局文件，添加2个布局，分别用来显示中文和英文。

platform\frameworks\base\packages\SystemUI\res\layout\status_bar.xml

        <com.android.systemui.statusbar.IconMerger android:id="@+id/notificationIcons"            android:layout_width="0dip"            android:layout_weight="1"            android:layout_height="match_parent"            android:layout_alignParentLeft="true"            android:paddingLeft="6dip"            android:gravity="center_vertical"            android:orientation="horizontal"/>                      <LinearLayout android:id="@+id/statusIcons"            android:layout_width="wrap_content"            android:layout_height="match_parent"            android:layout_alignParentRight="true"            android:paddingRight="6dip"            android:gravity="center_vertical"            android:orientation="horizontal"/>    <com.android.systemui.statusbar.ChineseTextClock

android:layout_width="wrap_content"android:layout_height="match_parent"android:textSize="14sp"android:gravity="bottom"/>        <com.android.systemui.statusbar.Clock            android:textAppearance="@*android:style/TextAppearance.StatusBar.Icon"            android:layout_width="wrap_content"            android:layout_height="match_parent"            android:singleLine="true"            android:paddingRight="6dip"            android:gravity="center_vertical|left"            /><com.android.systemui.statusbar.EnglishTextClockandroid:layout_width="wrap_content"android:layout_height="match_parent"android:textSize="14sp"android:gravity="bottom"/>    </LinearLayout>

然后在代码里去判断是12小时制还是24小时制，并且更加不同语言，不同时区来显示时间，实时刷新。

public class ChineseTextClock extends TextView {private boolean mAttached;private String tz;private Time t;private Calendar mCalendar;private String mClockFormatString;private SimpleDateFormat mClockFormat;private static final int AM_PM_STYLE_NORMAL = 0;private static final int AM_PM_STYLE_SMALL = 1;private static final int AM_PM_STYLE_GONE = 2;private static final int AM_PM_STYLE = AM_PM_STYLE_GONE;public ChineseTextClock(Context context) {this(context, null);}public ChineseTextClock(Context context, AttributeSet attrs) {this(context, attrs, 0);}public ChineseTextClock(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);}@Overrideprotected void onAttachedToWindow() {super.onAttachedToWindow();if (!mAttached) {mAttached = true;IntentFilter filter = new IntentFilter();filter.addAction(Intent.ACTION_TIME_TICK);filter.addAction(Intent.ACTION_TIME_CHANGED);filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);filter.addAction(Intent.ACTION_CONFIGURATION_CHANGED);filter.addAction(Intent.ACTION_LOCALE_CHANGED);                           //根据时区，时间变化，配置变化，语言变化来改变显示的字符串

getContext().registerReceiver(mIntentReceiver, filter, null,getHandler());}mCalendar = Calendar.getInstance(TimeZone.getDefault());updateClock();}@Overrideprotected void onDetachedFromWindow() {super.onDetachedFromWindow();if (mAttached) {getContext().unregisterReceiver(mIntentReceiver);mAttached = false;}}private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {@Overridepublic void onReceive(Context context, Intent intent) {String action = intent.getAction();if (action.equals(Intent.ACTION_TIMEZONE_CHANGED)) {String tz = intent.getStringExtra("time-zone");mCalendar = Calendar.getInstance(TimeZone.getTimeZone(tz));if (mClockFormat != null) {mClockFormat.setTimeZone(mCalendar.getTimeZone());}updateClock();} else if (action.equals(Intent.ACTION_TIME_CHANGED)) {updateClock();} else if (action.equals(Intent.ACTION_LOCALE_CHANGED)) {updateClock();}else if(action.equals(Intent.ACTION_TIME_TICK)){updateClock();}}};final void updateClock() {             //获取系统里的时间显示模式，是12小时还是24小时制

Context context = getContext();boolean b24 = DateFormat.is24HourFormat(context);

mCalendar.setTimeInMillis(System.currentTimeMillis());Locale locale = Locale.getDefault();String strLocale = "" + locale;if(strLocale.equals("zh_CN")){if(!b24){if (tz != null) {t = new Time(tz);} else {t = new Time();}t.setToNow();int hourTime = t.hour;if(hourTime<=11){setText(R.string.am);}else{setText(R.string.pm);}}else{setText("");}}else{setText("");}}}

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