Java Android Studio:解析XML时出错，无法生成应用程序
当我试图构建我的应用程序时，它会给我以下错误 错误：（21）分析XML时出错：格式不正确（无效令牌） 错误：任务“：app:processDebugResources”的执行失败 com.android.ide.common.process.ProcessException:未能执行aapt 这是我的XML代码，这是唯一的XML代码，请帮助我Java Android Studio:解析XML时出错，无法生成应用程序,java,android,xml,Java,Android,Xml,当我试图构建我的应用程序时，它会给我以下错误 错误：（21）分析XML时出错：格式不正确（无效令牌） 错误：任务“：app:processDebugResources”的执行失败 com.android.ide.common.process.ProcessException:未能执行aapt 这是我的XML代码，这是唯一的XML代码，请帮助我 package com.example.madhur.calculator; import android.app.Activity; import a
package com.example.madhur.calculator;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class InnerWorkings extends Activity implements View.OnClickListener {
TextView tvvresults;
Button bvBackSpace, bvClear, bvPlusMinus, bvRoot, bvDivision, bvMultiply, bvSubtract, bvDot, bvEqual, bvAddition;
Button bv0, bv1, bv2, bv3, bv4, bv5, bv6, bv7, bv8, bv9;
int iResults, container, arithmaticCode, finalCalculation, remainder;
protected void onCreate(Bundle calculations) {
super.onCreate(calculations);
Initialization();
}
private void Initialization() {
tvvresults = (TextView) findViewById(R.id.tvResults);
bvBackSpace = (Button) findViewById(R.id.bBackSpace);
bvClear = (Button) findViewById(R.id.bClear);
bvPlusMinus = (Button) findViewById(R.id.bPlusMinus);
bvRoot = (Button) findViewById(R.id.bRoot);
bvDivision = (Button) findViewById(R.id.bDivision);
bvMultiply = (Button) findViewById(R.id.bMultiply);
bvSubtract = (Button) findViewById(R.id.bSubtract);
bvDot = (Button) findViewById(R.id.bDot);
bvEqual = (Button) findViewById(R.id.bEqual);
bvAddition = (Button) findViewById(R.id.bAddition);
bv0 = (Button) findViewById(R.id.b0);
bv1 = (Button) findViewById(R.id.b1);
bv2 = (Button) findViewById(R.id.b2);
bv3 = (Button) findViewById(R.id.b3);
bv4 = (Button) findViewById(R.id.b4);
bv5 = (Button) findViewById(R.id.b5);
bv6 = (Button) findViewById(R.id.b6);
bv7 = (Button) findViewById(R.id.b7);
bv8 = (Button) findViewById(R.id.b8);
bv9 = (Button) findViewById(R.id.b9);
bvBackSpace.setOnClickListener(this);
bvClear.setOnClickListener(this);
bvPlusMinus.setOnClickListener(this);
bvRoot.setOnClickListener(this);
bvDivision.setOnClickListener(this);
bvMultiply.setOnClickListener(this);
bvSubtract.setOnClickListener(this);
bvDot.setOnClickListener(this);
bvEqual.setOnClickListener(this);
bvAddition.setOnClickListener(this);
bv0.setOnClickListener(this);
bv1.setOnClickListener(this);
bv2.setOnClickListener(this);
bv3.setOnClickListener(this);
bv4.setOnClickListener(this);
bv5.setOnClickListener(this);
bv6.setOnClickListener(this);
bv7.setOnClickListener(this);
bv8.setOnClickListener(this);
bv9.setOnClickListener(this);
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.bBackSpace:
remainder = iResults % 10;
iResults = iResults - remainder;
tvvresults.setText(iResults);
break;
case R.id.bClear:
iResults = 0;
tvvresults.setText(iResults);
break;
case R.id.bPlusMinus:
iResults = iResults * (-1);
tvvresults.setText(iResults);
break;
case R.id.bRoot:
break;
case R.id.bDivision:
arithmaticCode = 1;
container = iResults;
iResults = 0;
break;
case R.id.bMultiply:
arithmaticCode = 2;
container = iResults;
iResults = 0;
break;
case R.id.bSubtract:
arithmaticCode = 3;
container = iResults;
iResults = 0;
break;
case R.id.bDot:
break;
case R.id.bEqual:
Calculations();
break;
case R.id.bAddition:
arithmaticCode = 4;
container = iResults;
iResults = 0;
break;
case R.id.b0:
iResults = (iResults * 10);
tvvresults.setText(iResults);
break;
case R.id.b1:
iResults = (iResults * 10) + 1;
tvvresults.setText(iResults);
break;
case R.id.b2:
iResults = (iResults * 10) + 2;
tvvresults.setText(iResults);
break;
case R.id.b3:
iResults = (iResults * 10) + 3;
tvvresults.setText(iResults);
break;
case R.id.b4:
iResults = (iResults * 10) + 4;
tvvresults.setText(iResults);
break;
case R.id.b5:
iResults = (iResults * 10) + 5;
tvvresults.setText(iResults);
break;
case R.id.b6:
iResults = (iResults * 10) + 6;
tvvresults.setText(iResults);
break;
case R.id.b7:
iResults = (iResults * 10) + 7;
tvvresults.setText(iResults);
break;
case R.id.b8:
iResults = (iResults * 10) + 8;
tvvresults.setText(iResults);
break;
case R.id.b9:
iResults = (iResults * 10) + 9;
tvvresults.setText(iResults);
break;
}
}
private void Calculations() {
if (arithmaticCode == 1) {
finalCalculation = container / iResults;
tvvresults.setText(finalCalculation);
}
if (arithmaticCode == 2) {
finalCalculation = container * iResults;
tvvresults.setText(finalCalculation);
}
if (arithmaticCode == 3){
finalCalculation = container - iResults;
tvvresults.setText(finalCalculation);
}
if (arithmaticCode == 4){
finalCalculation = container + iResults;
tvvresults.setText(finalCalculation);
}
}
}
android:text=“尝试将布局XML中的android:text=“替换为您正在使用的按钮之一
android:text=“在布局XML中使用您正在使用的按钮之一
android:text=“xml中有2个错误
1.使用“---”而不是“xml中有2个错误
1.使用“---”代替“由于android:text=”由于android:text=”完整错误：与元素类型“TextView”关联的属性“android:text”的值不得包含“完整错误：与元素类型“TextView”关联的属性“android:text”的值不得包含”
" "
' '
< <
> >
& &
There are 2 errors in xml
1. use "<---" instead of "<---"
2. in the id multiply, add, subtract, root add the "@+id/" before id ..
Solved xml for your problem.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="20dp">
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:gravity="center"
android:textSize="20dp"
android:text="0"
android:layout_width="match_parent"
android:layout_height="30dp"
android:id="@+id/tvResults" />
<Button
android:text="<---"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bBackSpace"
android:layout_marginTop="21dp"
android:layout_below="@id/tvResults"
android:layout_alignParentStart="true"
android:layout_marginStart="21dp"/>
<Button
android:text="C"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bClear"
android:layout_below="@id/tvResults"
android:layout_toEndOf="@id/bBackSpace"
android:layout_marginStart="20dp"
android:layout_marginTop="21dp"/>
<Button
android:text="+/-"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bPlusMinus"
android:layout_below="@id/tvResults"
android:layout_toStartOf="@+id/bRoot"
android:layout_marginEnd="20dp"
android:layout_marginTop="21dp" />
<Button
android:text="-v"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bRoot"
android:layout_marginEnd="21dp"
android:layout_marginTop="21dp"
android:layout_below="@id/tvResults"
android:layout_alignParentEnd="true" />
<Button
android:text="7"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b7"
android:layout_below="@id/bBackSpace"
android:layout_alignParentStart="true"
android:layout_marginStart="21dp"
android:layout_marginTop="20dp"/>
<Button
android:text="8"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b8"
android:layout_below="@id/bBackSpace"
android:layout_toEndOf="@id/bBackSpace"
android:layout_marginStart="20dp"
android:layout_marginTop="20dp" />
<Button
android:text="9"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b9"
android:layout_below="@id/bBackSpace"
android:layout_toStartOf="@+id/bDivision"
android:layout_marginEnd="20dp"
android:layout_marginTop="20dp" />
<Button
android:text="/"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bDivision"
android:layout_marginEnd="21dp"
android:layout_below="@+id/bBackSpace"
android:layout_alignParentEnd="true"
android:layout_marginTop="20dp"/>
<Button
android:text="4"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b4"
android:layout_below="@id/b7"
android:layout_alignParentStart="true"
android:layout_marginStart="21dp"
android:layout_marginTop="20dp"/>
<Button
android:text="5"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b5"
android:layout_below="@id/b8"
android:layout_toEndOf="@id/b4"
android:layout_marginStart="20dp"
android:layout_marginTop="20dp" />
<Button
android:text="6"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b6"
android:layout_below="@id/b9"
android:layout_toStartOf="@+id/bMultiply"
android:layout_marginEnd="20dp"
android:layout_marginTop="20dp" />
<Button
android:text="*"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bMultiply"
android:layout_marginEnd="21dp"
android:layout_below="@id/bDivision"
android:layout_alignParentEnd="true"
android:layout_marginTop="20dp"/>
<Button
android:text="1"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b1"
android:layout_below="@id/b4"
android:layout_alignParentStart="true"
android:layout_marginStart="21dp"
android:layout_marginTop="20dp"/>
<Button
android:text="2"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b2"
android:layout_below="@id/b5"
android:layout_toEndOf="@id/b4"
android:layout_marginStart="20dp"
android:layout_marginTop="20dp" />
<Button
android:text="3"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b3"
android:layout_below="@id/b6"
android:layout_toStartOf="@+id/bSubtract"
android:layout_marginEnd="20dp"
android:layout_marginTop="20dp" />
<Button
android:text="-"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bSubtract"
android:layout_marginEnd="21dp"
android:layout_below="@+id/bMultiply"
android:layout_alignParentEnd="true"
android:layout_marginTop="20dp"/>
<Button
android:text="0"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/b0"
android:layout_below="@id/b1"
android:layout_alignParentStart="true"
android:layout_marginStart="21dp"
android:layout_marginTop="20dp"/>
<Button
android:text="="
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bEqual"
android:layout_below="@id/b3"
android:layout_toStartOf="@+id/bAddition"
android:layout_marginEnd="20dp"
android:layout_marginTop="20dp" />
<Button
android:text="+"
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bAddition"
android:layout_marginEnd="21dp"
android:layout_below="@id/bSubtract"
android:layout_alignParentEnd="true"
android:layout_marginTop="20dp"/>
<Button
android:text="."
android:textStyle="bold"
android:layout_width="60dp"
android:layout_height="60dp"
android:id="@+id/bDot"
android:layout_below="@id/b2"
android:layout_toEndOf="@id/b1"
android:layout_marginStart="20dp"
android:layout_marginTop="20dp"/>
</RelativeLayout>
</LinearLayout>