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[英]How can I avoid java.lang.OutOfMemoryError: bitmap size exceeds VM budget in android while using a large bitmap?
[英]How can I avoid this error with while JAVA Android
我正在设计一个应用程序,它的作用是一种“秘密朋友”,我显然告诉该应用程序不要重复与所选人员一起玩的人,请参见:
if (lista2.isEmpty())
{
(Toast.makeText(getApplicationContext(), this.getString(R.string.nospace), Toast.LENGTH_LONG)).show();
return;
} else {
Random random = new Random();
int start2;
do
{
start2 = random.nextInt(lista2.size() - 0) + 0;
}
while (lista2.get(start2).equals(spinner1.getSelectedItem().toString()));
}
同时,有时应用程序崩溃,因为lista2
上没有更多项目,只是同一个人( spinner1.selectedItem
),我该如何解决呢?
你应该做的是
这样,您无需使用do-while循环
先检查一下
if (lista2.isEmpty())
{
(Toast.makeText(getApplicationContext(), this.getString(R.string.nospace), Toast.LENGTH_LONG)).show();
return;
} else {
//do a check here
for(int i = 0; i < lista2.size(); i++){
if(!lista2.get(start2).equals(spinner1.getSelectedItem().toString())){
break;
}
if(i == lista2.size() - 1){
Toast.makeText(getApplicationContext(), this.getString(R.string.nospace), Toast.LENGTH_LONG)).show();
return;
}
}
Random random = new Random();
int start2;
do
{
start2 = random.nextInt(lista2.size() - 0) + 0;
}
while (lista2.get(start2).equals(spinner1.getSelectedItem().toString()));
}
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