java.lang.NullPointerException:尝试在空对象引用上调用虚方法'android.text.Editable android.widget.EditText.getText()'

时间:2017-04-04 21:09:25

标签: android validation camera android-camera butterknife

我想把edittext从第一个活动放到新的第二个活动视图文本。

当我在Android监视器中显示如下错误时该怎么办:

$("#carpet_cleaning option:selected").val()

也: 渲染问题: 无法解析资源@id / visible
提示:尝试刷新布局。

DrawerAddAd类代码:

$("#carpet_cleaning").change(function () {
  UpdateResult();
});

$("#dining_rooms").change(function () {
    UpdateResult();
});

function UpdateResult()
{
    var result = 'Your price quote is: ' + (($("#carpet_cleaning option:selected").val() * 10) + ($("#dining_rooms option:selected").val() * 20))
    $("#output1").text(result).fadeIn();
}

ProductDetails类代码:

com.example.xx.DrawerAddAd.seeAdd(DrawerAddAd.java:129)

com.example.xx.DrawerAddAd.access$100(DrawerAddAd.java:40)

com.example.xx.DrawerAddAd$2.onClick(DrawerAddAd.java:116)

我不知道该怎么做......

谢谢,Slawek。

2 个答案:

答案 0 :(得分:0)

表示Sub rar() Dim i As Long, rng As Range With Worksheets("Sheet1") 'DEFINES WHICH SHEET TO USE' For i = 3 to .Cells(.Rows.Count, "A").End(xlUp).Row If .Cells(i, 1).Value = .Cells(i - 1, 1).Value Then If rng Is Nothing Then Set rng = .Rows(i - 2 & ":" & i) Else Set rng = Union(rng, .Rows(i - 2 & ":" & i)) End If End If Next i End With rng.Delete End Sub 为空。 检查您的xml文件和title_Ad_editText变量。

答案 1 :(得分:0)

我能看到的几件事情,重做一遍:

private void seeAdd() {

    Intent intent = new Intent(getApplicationContext(), ProductDetails.class);
    intent.putExtra("title",titleAd_editText.getText().toString());
    intent.putExtra("text", textAd_editText.getText().toString());

到此:

private void seeAdd() {

    Intent intent = new Intent(DrawerAddAd.this, ProductDetails.class);
    intent.putExtra("title",titleAd_editText.getText().toString());
    intent.putExtra("text", textAd_editText.getText().toString());

然后在你的意图中,你需要完全按照设定调用额外的,改变它:

   Intent intent = getIntent();
//        Bundle bundle = getIntent().getExtras();

    String title_textView = intent.getStringExtra("titleAdd");
    String text_textView = intent.getStringExtra("textAdd");

到此:

   Intent intent = getIntent();
//        Bundle bundle = getIntent().getExtras();

    String title_textView = intent.getStringExtra("title");
    String text_textView = intent.getStringExtra("text");