[英]Custom font in widget
我試圖創建一個簡單的Android小部件,顯示時間,但使用自定義字體。 誰知道怎么做? 我試過這個: 使用自定義字體顯示時間的問題
但它不會起作用。 首先getAssets()將無法工作,因為它需要上下文,如果我在幾秒鍾后刪除設置自定義字體的行,我將獲得失敗的活頁夾事務錯誤。
任何人都可以幫助或給我一個教程的鏈接? 使用計時器更新時間也是一個好習慣嗎?
我的代碼LWidget.java
public class LWidget extends AppWidgetProvider {
//=============================================================================================
//On Update
//=============================================================================================
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager,
int[] appWidgetIds) {
Timer timer = new Timer();
timer.scheduleAtFixedRate(new MyTime(context, appWidgetManager), 1, 1000);
//views.setImageViewBitmap(R.id.TimeView, buildUpdate(time));
}
//=============================================================================================
//Timer class
//=============================================================================================
private class MyTime extends TimerTask {
RemoteViews remoteViews;
AppWidgetManager appWidgetManager;
ComponentName thisWidget;
DateFormat timeformat = new SimpleDateFormat("kk:mm");
public MyTime(Context context, AppWidgetManager appWidgetManager) {
this.appWidgetManager = appWidgetManager;
remoteViews = new RemoteViews(context.getPackageName(), R.layout.main);
thisWidget = new ComponentName(context, LWidget.class);
}
@Override
public void run() {
Calendar ci = Calendar.getInstance();
String time = timeformat.format(ci.getTime());
remoteViews.setTextViewText(R.id.widget_textview,"Time = " + time);
remoteViews.setImageViewBitmap(R.id.widget_imageview, buildUpdate(time));
appWidgetManager.updateAppWidget(thisWidget, remoteViews);
}
}
//=============================================================================================
//bitmap font
//=============================================================================================
public Bitmap buildUpdate(String time)
{
Bitmap myBitmap = Bitmap.createBitmap(160, 84, Bitmap.Config.ARGB_4444);
Canvas myCanvas = new Canvas(myBitmap);
Paint paint = new Paint();
//if I remove the comment here, getAssets() will not work
//Typeface clock = Typeface.createFromAsset(this.getAssets(),"fonts/Crysta.ttf");
paint.setAntiAlias(true);
paint.setSubpixelText(true);
// paint.setTypeface(clock);
paint.setStyle(Paint.Style.FILL);
paint.setColor(Color.WHITE);
paint.setTextSize(65);
paint.setTextAlign(Align.CENTER);
myCanvas.drawText(time, 80, 60, paint);
return myBitmap;
}
//=============================================================================================
//On receive
//=============================================================================================
@Override
public void onReceive(Context context, Intent intent) {
// v1.5 fix that doesn't call onDelete Action
final String action = intent.getAction();
if (AppWidgetManager.ACTION_APPWIDGET_DELETED.equals(action)) {
final int appWidgetId = intent.getExtras().getInt(
AppWidgetManager.EXTRA_APPWIDGET_ID,
AppWidgetManager.INVALID_APPWIDGET_ID);
if (appWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID) {
this.onDeleted(context, new int[] { appWidgetId });
}
} else {
super.onReceive(context, intent);
}
}
}
main.xml中
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:orientation="vertical"
android:layout_gravity="center"
android:layout_height="wrap_content">
<TextView android:id="@+id/widget_textview"
android:text="@string/widget_text"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_gravity="center_horizontal|center"
android:layout_marginTop="5dip"
android:padding="10dip"
android:textColor="@android:color/black"/>
<ImageView
android:id="@+id/widget_imageview"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</LinearLayout>
ltime_widget_provider.xml
<?xml version="1.0" encoding="utf-8"?>
<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
android:minWidth="146dip"
android:minHeight="72dip"
android:updatePeriodMillis="10000"
android:initialLayout="@layout/main"
/>
好吧試試這樣:
static Context con;
Typeface clock = Typeface.createFromAsset(con.getAssets(),"fonts/KacstLetter.ttf");
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.