47 lines
1.2 KiB
Java
47 lines
1.2 KiB
Java
package medic.gateway.alert;
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import android.app.ProgressDialog;
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import android.content.Context;
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/**
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* Handle the lifecycle of {@code ProgressDialog}s. These need a little bit of
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* care to make sure that:
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*
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* 1. they are dismissed when the parent {@code Context} is destroyed, and
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* 2. they are not dismissed when they are not being displayed
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*
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* If you create an instance of this class, be careful to call `.dismiss()` when
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* the parent {@code Context}'s {@code onDestroy()} method is called.
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*/
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final class Thinking {
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private final ProgressDialog dialog;
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private Thinking(ProgressDialog dialog) {
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this.dialog = dialog;
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}
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public void dismiss() {
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if(dialog.isShowing()) dialog.dismiss();
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}
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//> FACTORIES
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static Thinking show(Context ctx) {
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return show(ctx, null);
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}
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static Thinking show(Context ctx, int messageId) {
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return show(ctx, ctx.getString(messageId));
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}
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static Thinking show(Context ctx, String message) {
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ProgressDialog p = new ProgressDialog(ctx);
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p.setProgressStyle(ProgressDialog.STYLE_SPINNER);
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if(message != null) p.setMessage(message);
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p.setIndeterminate(true);
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p.setCanceledOnTouchOutside(false);
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p.show();
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return new Thinking(p);
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}
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}
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