即時通訊設法在我的代碼中發現錯誤。我不知道爲什麼我的應用程序保持崩潰。我試圖增加用戶單選按鈕的值。但是當我點擊提交按鈕時,我的應用程序不幸停止。並假設單選按鈕只能在收音機組中點擊一次,但是我的所有按鈕都可以點擊。你能幫我嗎?如何將單選按鈕的浮點值一起添加?
p/s im這個東西還是新的,所以請不要嘲笑我的編碼。我真的不知道從哪裏開始,這已經過去兩週了,所以如果您就此向我提供一些反饋,我將不勝感激。
這裏是我的xml
<TextView android:id="@+id/tv2" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:fontFamily="serif" android:paddingTop="10dp" android:text=" 1. INTRODUCTION (Problem statement, research
objectives, research questions, hypothesis, limitation of the
study, significance of the study)" android:textAppearance="@style/TextAppearance.AppCompat" />
<RadioGroup android:id="@+id/rg1" android:layout_width="match_parent" android:layout_height="wrap_content" android:paddingTop="10dp">
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal">
<RadioButton android:id="@+id/rb1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:checked="false" android:text="@string/_1" />
<RadioButton android:id="@+id/rb2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:checked="false" android:text="@string/_2" />
<RadioButton android:id="@+id/rb3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:checked="false" android:text="@string/_3" />
<RadioButton android:id="@+id/rb4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:checked="false" android:text="@string/_4" />
<RadioButton android:id="@+id/rb5" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:checked="false" android:text="@string/_5" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginTop="10dp" android:orientation="vertical">
<TextView android:id="@+id/tv3" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:fontFamily="serif" android:paddingTop="10dp" android:text=" 2. LITERATURE REVIEW (Relevant literature)" android:textAppearance="@style/TextAppearance.AppCompat"
/>
<RadioGroup android:id="@+id/rg2" android:layout_width="match_parent" android:layout_height="match_parent">
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:paddingTop="10dp">
<RadioButton android:id="@+id/rb6" style="@style/Widget.AppCompat.CompoundButton.RadioButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="1" />
<RadioButton android:id="@+id/rb7" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="2" />
<RadioButton android:id="@+id/rb8" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="3" />
<RadioButton android:id="@+id/rb9" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="4" />
<RadioButton android:id="@+id/rb10" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="5" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginTop="10dp" android:orientation="vertical">
<TextView android:id="@+id/tv4" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:fontFamily="serif" android:paddingTop="10dp" android:text=" 3. RESEARCH METHODOLOGY (Research design, research context, data collection, data analysis)"
android:textAppearance="@style/TextAppearance.AppCompat" />
<RadioGroup android:id="@+id/rg3" android:layout_width="match_parent" android:layout_height="match_parent">
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:paddingTop="10dp">
<RadioButton android:id="@+id/rb11" style="@android:style/Widget.CompoundButton.RadioButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="1" />
<RadioButton android:id="@+id/rb12" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="2" />
<RadioButton android:id="@+id/rb13" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="3" />
<RadioButton android:id="@+id/rb14" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="4" />
<RadioButton android:id="@+id/rb15" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="5" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical">
<TextView android:id="@+id/tv5" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:fontFamily="serif" android:paddingTop="10dp" android:text=" 4. RESULT AND FEASIBILITY OF STUDY (Justification of the result, implication of the study, recommendation for future research"
android:textAppearance="@style/TextAppearance.AppCompat" />
<RadioGroup android:id="@+id/rg4" android:layout_width="match_parent" android:layout_height="match_parent">
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:paddingTop="10dp">
<RadioButton android:id="@+id/rb16" style="@android:style/Widget.DeviceDefault.CompoundButton.RadioButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="1" />
<RadioButton android:id="@+id/rb17" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="2" />
<RadioButton android:id="@+id/rb18" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="3" />
<RadioButton android:id="@+id/rb19" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="4" />
<RadioButton android:id="@+id/rb20" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="5" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical">
<TextView android:id="@+id/tv6" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:fontFamily="serif" android:paddingTop="10dp" android:text=" 5. POSTER PRESENTATION (Type size and type face are easily read, aesthetically pleasing layout, appropriate pictures, and colour is strategically used)"
android:textAppearance="@style/TextAppearance.AppCompat" />
<RadioGroup android:id="@+id/rg5" android:layout_width="match_parent" android:layout_height="match_parent">
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:paddingTop="10dp">
<RadioButton android:id="@+id/rb21" style="@android:style/Widget.DeviceDefault.Light.CompoundButton.RadioButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="1" />
<RadioButton android:id="@+id/rb22" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="2" />
<RadioButton android:id="@+id/rb23" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="3" />
<RadioButton android:id="@+id/rb24" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="4" />
<RadioButton android:id="@+id/rb25" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="5" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical">
<TextView android:id="@+id/tv7" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:fontFamily="serif" android:paddingTop="10dp" android:text=" 6. PRESENTATION SKILLS (Smooth transition, eye contact, voice and pacing, enthusiasm, body language)"
android:textAppearance="@style/TextAppearance.AppCompat" />
<RadioGroup android:id="@+id/rg6" android:layout_width="match_parent" android:layout_height="match_parent">
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:orientation="horizontal" android:paddingTop="10dp">
<RadioButton android:id="@+id/rb26" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="1" />
<RadioButton android:id="@+id/rb27" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="2" />
<RadioButton android:id="@+id/rb28" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="3" />
<RadioButton android:id="@+id/rb29" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="4" />
<RadioButton android:id="@+id/rb30" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="5" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical">
<TextView android:id="@+id/tv8" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:fontFamily="serif" android:paddingTop="10dp" android:text=" 7. CONCLUSION (End argument, defend the research, able to answer questions based on research)"
android:textAppearance="@style/TextAppearance.AppCompat" />
<RadioGroup android:id="@+id/rg7" android:layout_width="match_parent" android:layout_height="match_parent">
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:orientation="horizontal" android:paddingTop="10dp">
<RadioButton android:id="@+id/rb31" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="1" />
<RadioButton android:id="@+id/rb32" android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_weight="1" android:text="2" />
<RadioButton android:id="@+id/rb33" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="3" />
<RadioButton android:id="@+id/rb34" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="4" />
<RadioButton android:id="@+id/rb35" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="5" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginTop="10dp" android:orientation="vertical" android:weightSum="1">
<TextView android:id="@+id/tv_comment" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:fontFamily="serif" android:paddingBottom="10dp" android:paddingTop="10dp" android:text="Comment" android:textAppearance="@style/TextAppearance.AppCompat"
android:textSize="18sp" android:textStyle="bold" />
<EditText android:id="@+id/et_comment" android:layout_width="match_parent" android:layout_height="0dp" android:layout_marginTop="10dp" android:ems="10" android:fontFamily="serif" android:gravity="top" android:inputType="textMultiLine" android:lines="5"
android:paddingTop="20dp" android:text="Please Enter Your Comment Here" android:layout_weight="0.85" />
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal">
<Button android:id="@+id/btn_submit" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="Submit" />
</LinearLayout>
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal">
<TextView android:id="@+id/tv_outcome" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</ScrollView>
,這裏是我的編碼
package com.example.posterevaluation;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Button;
import android.widget.TextView;
public class FormActivity extends AppCompatActivity {
//RadioGroup rg1,rg2,rg3,rg4,rg5,rg6,rg7;
// RadioButton rb1, rb2,rb3,rb4,rb5,rb6,rb7;
// EditText et1;
Button btn_submit;
TextView tv_outcome;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_form);
final RadioGroup rg1 = (RadioGroup) findViewById(R.id.rg1);
final RadioGroup rg2 = (RadioGroup) findViewById(R.id.rg2);
final RadioGroup rg3 = (RadioGroup) findViewById(R.id.rg3);
final RadioGroup rg4 = (RadioGroup) findViewById(R.id.rg4);
final RadioGroup rg5 = (RadioGroup) findViewById(R.id.rg5);
final RadioGroup rg6 = (RadioGroup) findViewById(R.id.rg6);
final RadioGroup rg7 = (RadioGroup) findViewById(R.id.rg7);
//et1 = (EditText) findViewById (R.id.et1);
tv_outcome = (TextView) findViewById(R.id.tv_outcome);
btn_submit = (Button) findViewById(R.id.btn_submit);
btn_submit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
String value1 = ((RadioButton) findViewById(rg1.getCheckedRadioButtonId())).getText().toString();
String value2 = ((RadioButton) findViewById(rg2.getCheckedRadioButtonId())).getText().toString();
String value3 = ((RadioButton) findViewById(rg3.getCheckedRadioButtonId())).getText().toString();
String value4 = ((RadioButton) findViewById(rg4.getCheckedRadioButtonId())).getText().toString();
String value5 = ((RadioButton) findViewById(rg5.getCheckedRadioButtonId())).getText().toString();
String value6 = ((RadioButton) findViewById(rg6.getCheckedRadioButtonId())).getText().toString();
String value7 = ((RadioButton) findViewById(rg7.getCheckedRadioButtonId())).getText().toString();
float marks = Float.parseFloat(value1 + value2 + value3 + value4 + value5 + value6 + value7);
//calculate total
float total = makeCalculations(marks);
tv_outcome.setText(String.valueOf(total));
}
});
}
private float makeCalculations(float marks) {
return ((marks/35) * 100);
}
}
>檢查這個【答案】(http://stackoverflow.com/questions/11194515/android-get-value-of-the-selected-radio-button ) –
if(rg.isChecked()),把它放在值中。然後添加它。 –
我需要爲我的每個無線電組編碼嗎? – lyle