DateView.java revision d2bf42a96e052019d71f10cba652246fe09e09cb 
1package com.android.server.status;
2
3import android.content.BroadcastReceiver;
4import android.content.Context;
5import android.content.Intent;
6import android.content.IntentFilter;
7import android.util.AttributeSet;
8import android.util.Log;
9import android.widget.TextView;
10import android.view.MotionEvent;
11
12import java.text.DateFormat;
13import java.util.Date;
14
15public final class DateView extends TextView {
16    private static final String TAG = "DateView";
17
18    private boolean mUpdating = false;
19
20    private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
21        @Override
22        public void onReceive(Context context, Intent intent) {
23            String action = intent.getAction();
24            if (action.equals(Intent.ACTION_TIME_TICK)
25                    || action.equals(Intent.ACTION_TIMEZONE_CHANGED)) {
26                updateClock();
27            }
28        }
29    };
30
31    public DateView(Context context, AttributeSet attrs) {
32        super(context, attrs);
33    }
34
35    @Override
36    protected void onAttachedToWindow() {
37        super.onAttachedToWindow();
38    }
39
40    @Override
41    protected void onDetachedFromWindow() {
42        super.onDetachedFromWindow();
43        setUpdates(false);
44    }
45
46    @Override
47    protected int getSuggestedMinimumWidth() {
48        // makes the large background bitmap not force us to full width
49        return 0;
50    }
51
52    private final void updateClock() {
53        Date now = new Date();
54        setText(DateFormat.getDateInstance(DateFormat.LONG).format(now));
55    }
56
57    void setUpdates(boolean update) {
58        if (update != mUpdating) {
59            mUpdating = update;
60            if (update) {
61                // Register for Intent broadcasts for the clock and battery
62                IntentFilter filter = new IntentFilter();
63                filter.addAction(Intent.ACTION_TIME_TICK);
64                filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
65                mContext.registerReceiver(mIntentReceiver, filter, null, null);
66                updateClock();
67            } else {
68                mContext.unregisterReceiver(mIntentReceiver);
69            }
70        }
71    }
72}
73
74