- Util 工具類
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Handler;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
public class DialogQueueUtils {
private static final String TAG = "DialogQueueUtils";
private Queue<Dialog> dialogQueue;
private Dialog mCurrentDialog = null;//當(dāng)前顯示的Dialog
private DialogQueueUtils() {
dialogQueue = new LinkedList<>();
}
public static DialogQueueUtils getInstance() {
return DialogQueueHolder.singleton;
}
/**
* 單例模式->靜態(tài)內(nèi)部類<br/>
* 多線程情況下构灸，使用合理一些,推薦
*/
static class DialogQueueHolder {
private static DialogQueueUtils singleton = new DialogQueueUtils();
}
public void addDialog(List<Dialog> dialogs){
for (Dialog dialog : dialogs) {
if (dialog != null){
dialogQueue.offer(dialog);
}
}
}
public void addDialog(Dialog dialog){
if (dialog != null){
dialogQueue.offer(dialog);
}
}
public void show(){
if (mCurrentDialog == null){
//從隊(duì)列中拿出一個(gè)Dialog實(shí)例,并從列表中移除
mCurrentDialog = dialogQueue.poll();
//當(dāng)隊(duì)列為空的時(shí)候拿出來的會(huì)是null
if (mCurrentDialog != null){
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
mCurrentDialog.show();
mCurrentDialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
//這邊設(shè)置了dismiss監(jiān)聽,在監(jiān)聽回調(diào)中再次調(diào)用show方法,可以獲取下一個(gè)彈窗
mCurrentDialog = null;
show();
}
});
}
}, 500);
}
}
}
}
- 如何使用
DialogQueueUtils.getInstance().addDialog(q1)
DialogQueueUtils.getInstance().show()
