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原因:
觸發(fā)返回按鈕后跳轉(zhuǎn)到listview主界面,數(shù)據(jù)要重新加載,這時要想加載數(shù)據(jù),就要在啟動Activity的時候程序自動加載,而handler里面寫的是主線程,一定會執(zhí)行,所以在后面添加
/**
* 處理消息(主線程),更新適配器,如果在Thread里處理可能會出錯
* */
handler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case Util.DOWNLOAD_START:
progressDialog.show();
// progressDialog.SetMessage(msg.getData().get("text")
// .toString());
Toast.makeText(CheckOrderActivity.this, Util.CurrentMessage,
Toast.LENGTH_LONG).show();
break;
case Util.DOWNLOAD_END:
progressDialog.dismiss();
break;
case Util.DOWNLOAD_OK:
threadContinue=false;//結(jié)束線程
Toast.makeText(CheckOrderActivity.this, Util.CurrentMessage,
Toast.LENGTH_LONG).show();
SetDatatoUI();
progressDialog.dismiss();
break;
case Util.DOWNLOAD_ERROR:
progressDialog.dismiss();
Toast.makeText(CheckOrderActivity.this, "沒有賬單信息", Toast.LENGTH_LONG)
.show();
break;
case Util.DOWNLOAD_DISCONNECT:
progressDialog.dismiss();
AlertDialog.Builder builder = new Builder(CheckOrderActivity.this);
builder.setMessage("未連接上網(wǎng)絡(luò)!");
builder.setTitle("提示");
builder.setPositiveButton("確認",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
dialog.dismiss();
}
});
builder.create().show();
break;
}
super.handleMessage(msg);//執(zhí)行父類的方法
}
};
adapter = new MyAdapterr(CheckOrderActivity.this, Fieldlist);
search();//向服務(wù)請求數(shù)據(jù)
}
即可成功解決。
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