java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mymail/com.example.mymail.AddcontantsActivity}: java.lang.IllegalArgumentException: the bind value at index 1 is null
在点击按钮用对话框添加邮件联系人时候报错,第二次点击后就连界面都无法启动了。。
public void addcontants(){
AlertDialog.Builder builder=new Builder(AddcontantsActivity.this);
Context mContext = AddcontantsActivity.this;
LayoutInflater inflater = getLayoutInflater();
mContext.getSystemService(LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.mycustom_dialog,null);
final EditText name=(EditText) layout.findViewById(R.id.addcontantsname);
final EditText addr=(EditText) layout.findViewById(R.id.addcontantsemail);
System.out.println(addr_str);
builder.setView(layout);
builder.setPositiveButton("确定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
name_str=name.getText().toString().trim();
addr_str=addr.getText().toString().trim();
System.out.println(name_str+"////"+addr_str);
if(TextUtils.isEmpty(name_str)){
Toast.makeText(AddcontantsActivity.this, "用户名不能为空", Toast.LENGTH_SHORT).show();
}else{
if(!Emailcheck.isEmail(addr_str)){
Toast.makeText(AddcontantsActivity.this, "邮箱格式不正确", Toast.LENGTH_SHORT).show();
}else{
Uri uri=Uri.parse("content://com.example.mymail.provider.EmailConstantProv");
ContentValues values=new ContentValues();
values.put("mailfrom", MyApplication.info.getUserName());
values.put("name", name_str);
values.put("address", addr_str);
getContentResolver().insert(uri, values);
Toast.makeText(AddcontantsActivity.this, "添加数据成功", Toast.LENGTH_SHORT).show();
}
}
}
});
builder.setNegativeButton("取消", null);
builder.show();
}
数据库信息
db.execSQL("create table email(id INTEGER PRIMARY KEY AUTOINCREMENT,mailfrom varchar(20),name varchar(20),address varchar(20))");