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我想改变点击按钮时的活动,并根据哪个单选按钮打开新的布局。我有三个单选按钮。我想根据选中的单选按钮更改布局,然后单击下一个按钮。这里是我的代码如何根据单选按钮更改按钮单击的布局?
package com.edkul.vimal.edkul;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;
import android.app.Activity;
import android.content.Intent;
public class Join_AS_A extends AppCompatActivity {
private RadioGroup radioGroup;
private RadioButton radioButton;
private Button btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_join__as_);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
radioGroup = (RadioGroup) findViewById(R.id.joinGroup);
radioGroup.clearCheck();
int selectedId = radioGroup.getCheckedRadioButtonId();
radioButton = (RadioButton) findViewById(selectedId);
btn = (Button)findViewById(R.id.nextButton);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String selection = (String) radioButton.getText();
Log.i("Print here", selection);
if (selection.equals("Student") && view ==btn){
Intent intentMain = new Intent(Join_AS_A.this, Student_Signup.class);
Join_AS_A.this.startActivity(intentMain);
Log.i("Content ", " Main layout ");
}
}
});
}
}
下面是XML代码
Here is the xml file :
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.edkul.vimal.edkul.Join_AS_A"
tools:showIn="@layout/activity_join__as_">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="@string/joinAsA"
android:textSize="30sp"
android:id="@+id/textView2"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<RadioGroup
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/textView2"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="47dp"
android:layout_alignRight="@+id/textView2"
android:layout_alignEnd="@+id/textView2"
android:id="@+id/joinGroup">
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/joinasaStudent"
android:textSize="20sp"
android:textColor="#33b5e5"
android:id="@+id/radioButton"
android:checked="false" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/joinasaTeacher"
android:textSize="20sp"
android:textColor="#33b5e5"
android:id="@+id/radioButton2"
android:checked="false" />
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/joinasaparent"
android:textSize="20sp"
android:textColor="#33b5e5"
android:id="@+id/radioButton3"
android:checked="false" />
</RadioGroup>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/joinNext"
android:id="@+id/nextButton"
android:background="@drawable/custom_button"
android:layout_alignBottom="@+id/joinGroup"
android:layout_centerHorizontal="true"
android:layout_marginBottom="79dp" />
</RelativeLayout>
感谢您的回复。我已将相同的代码复制到mine.But,但仍无法更改layout.sorry。 –
你得到了什么错误? –
我没有看到任何错误..甚至我的日志语句不打印...你可以请建议如何检查错误..我非常新的android这是我的第一个应用程序 –