我在世界模拟时钟工作我使用android模拟时钟，它在活动中工作，但我不能在小部件上使用它，我累了谷歌搜索有人知道吗？
问问题
2347 次
3 回答
0
/**
* * 这个小部件显示一个模拟时钟，用两只手表示小时和 * * 分钟。*/
@RemoteView 公共类 AnalogClock2 扩展视图 {
public AnalogClock2(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
private Time mCalendar;
private Drawable mHourHand;
private Drawable mMinuteHand;
private Drawable mSecondHand;
private Drawable mDial;
private int mDialWidth;
private int mDialHeight;
private boolean mAttached;
private final Handler mHandler = new Handler();
private float mMinutes;
private float mHour;
private boolean mChanged;
Context mContext;
public static String mtimezone="Asia/Calcutta";
public AnalogClock2(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public AnalogClock2(Context context, AttributeSet attrs,
int defStyle) {
super(context, attrs, defStyle);
Resources r = context.getResources();
// TypedArray a =
// context.obtainStyledAttributes(
// attrs, R.styleable.AnalogClock, defStyle, 0);
mContext = context;
// mDial =
// a.getDrawable(com.android.internal.R.styleable.AnalogClock_dial);
// if (mDial == null) {
mDial = r.getDrawable(R.drawable.widgetdial);
// }
// mHourHand =
// a.getDrawable(com.android.internal.R.styleable.AnalogClock_hand_hour);
// if (mHourHand == null) {
mHourHand = r.getDrawable(R.drawable.widgethour);
// }
// mMinuteHand =
// a.getDrawable(com.android.internal.R.styleable.AnalogClock_hand_minute);
// if (mMinuteHand == null) {
mMinuteHand = r.getDrawable(R.drawable.widgetminute);
mSecondHand = r.getDrawable(R.drawable.widgetminute);
// }
mCalendar = new Time();
mDialWidth = mDial.getIntrinsicWidth();
mDialHeight = mDial.getIntrinsicHeight();
}
public static void timezone(String timezone){
mtimezone=timezone;
}
@Override
protected 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);
getContext().registerReceiver(mIntentReceiver, filter, null, mHandler);
}
// NOTE: It's safe to do these after registering the receiver since the
// receiver always runs
// in the main thread, therefore the receiver can't run before this
// method returns.
// The time zone may have changed while the receiver wasn't registered,
// so update the Time
//mCalendar = new Time();
mCalendar = new Time(mtimezone);
// Make sure we update to the current time
onTimeChanged();
counter.start();
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (mAttached) {
counter.cancel();
getContext().unregisterReceiver(mIntentReceiver);
mAttached = false;
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int widthSize = MeasureSpec.getSize(widthMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int heightSize = MeasureSpec.getSize(heightMeasureSpec);
float hScale = 1.0f;
float vScale = 1.0f;
if (widthMode != MeasureSpec.UNSPECIFIED && widthSize < mDialWidth) {
hScale = (float) widthSize / (float) mDialWidth;
}
if (heightMode != MeasureSpec.UNSPECIFIED && heightSize < mDialHeight) {
vScale = (float) heightSize / (float) mDialHeight;
}
System.out.println("***********************HAI****************");
float scale = Math.min(hScale, vScale);
setMeasuredDimension(resolveSize((int) (mDialWidth * scale), widthMeasureSpec),
resolveSize((int) (mDialHeight * scale), heightMeasureSpec));
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
mChanged = true;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// // here changes on every tick//////
// / ////
// / //
// //////
// // ///
// //
boolean changed = mChanged;
if (changed) {
mChanged = false;
}
boolean seconds = mSeconds;
if (seconds) {
mSeconds = false;
}
int availableWidth = 100;
int availableHeight = 200;
int x = availableWidth / 2;
int y = availableHeight / 2;
final Drawable dial = mDial;
int w = dial.getIntrinsicWidth();
int h = dial.getIntrinsicHeight();
boolean scaled = false;
if (availableWidth < w || availableHeight < h) {
scaled = true;
float scale = Math.min((float) availableWidth / (float) w,
(float) availableHeight / (float) h);
canvas.save();
canvas.scale(scale, scale, x, y);
}
if (changed) {
dial.setBounds(x - (w / 2), y - (h / 2), x + (w / 2), y + (h / 2));
}
dial.draw(canvas);
canvas.save();
canvas.rotate(mHour / 12.0f * 360.0f, x, y);
final Drawable hourHand = mHourHand;
if (changed) {
w = hourHand.getIntrinsicWidth();
h = hourHand.getIntrinsicHeight();
hourHand.setBounds(x - (w / 2), y - (h / 3), x + (w / 2), y + (h / 3));
}
hourHand.draw(canvas);
canvas.restore();
canvas.save();
canvas.rotate(mMinutes / 60.0f * 360.0f, x, y);
// canvas.rotate(mSecond, x, y);
final Drawable minuteHand = mMinuteHand;
if (changed) {
w = minuteHand.getIntrinsicWidth();
h = minuteHand.getIntrinsicHeight();
minuteHand.setBounds(x - (w / 2), y - (h / 3), x + (w / 2), y + (h / 3));
}
minuteHand.draw(canvas);
canvas.restore();
canvas.save();
canvas.rotate(mSecond, x, y);
// minuteHand = mMinuteHand;
if (seconds) {
w = mSecondHand.getIntrinsicWidth();
h = mSecondHand.getIntrinsicHeight();
mSecondHand.setBounds(x - (w / 2), y - (h / 3), x + (w / 2), y + (h / 3));
}
mSecondHand.draw(canvas);
canvas.restore();
if (scaled) {
canvas.restore();
}
}
MyCount counter = new MyCount(10000, 1000);
public class MyCount extends CountDownTimer {
public MyCount(long millisInFuture, long countDownInterval) {
super(millisInFuture, countDownInterval);
}
@Override
public void onFinish() {
counter.start();
}
@Override
public void onTick(long millisUntilFinished) {
mCalendar.setToNow();
int hour = mCalendar.hour;
int minute = mCalendar.minute;
int second = mCalendar.second;
mSecond = 6.0f * second;
mSeconds = true;
// mChanged = true;
AnalogClock2.this.invalidate();
// Toast.makeText(mContext, "text", Toast.LENGTH_LONG).show();
}
}
boolean mSeconds = false;
float mSecond = 0;
private void onTimeChanged() {
mCalendar.setToNow();
int hour = mCalendar.hour+4;
int minute = mCalendar.minute+15;
int second = mCalendar.second;
mMinutes = minute + second / 60.0f;
mHour = hour + mMinutes / 60.0f;
mChanged = true;
}
private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_TIMEZONE_CHANGED)) {
String tz = intent.getStringExtra("time-zone");
mCalendar = new Time(TimeZone.getTimeZone(tz).getID());
}
mCalendar = new Time(mtimezone);
onTimeChanged();
invalidate();
}
};
}
于 2012-05-15T08:42:56.197 回答
0
您必须基于 ImageView 创建自己的小部件并创建后台服务来创建位图并定期将它们推送到小部件。
于 2012-04-11T09:13:25.253 回答
0
您可以在主屏幕小部件中使用以下小部件类：
* AnalogClock
* Button
* Chronometer
* ImageButton
* ImageView
* ProgressBar
* TextView
不支持这些类的后代
在此处查看我们如何在主屏幕小部件中使用 AnalogClock 小部件的示例
于 2012-04-11T08:25:59.303 回答