我有4个按钮,其工作方式类似于用户在单击按钮2之前需要单击按钮1的过程。为了能够单击按钮3,用户需要在按钮3之后才能单击按钮,然后单击按钮2,按钮4也是如此,即当用户单击按钮4时,所有按钮都可以在最后单击我设法使按钮1和按钮2正常工作,但是在用户单击按钮2后,按钮3无法单击。
这是XML文件:
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
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:id="@+id/linearLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:id="@+id/button2"
android:layout_width="174dp"
android:layout_height="41dp"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="60dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="280dp"
android:onClick="goToAnotherActivity1"
android:enabled="true"
android:text="@string/reconnaissance"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/button3"
android:layout_width="174dp"
android:layout_height="41dp"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="50dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="150dp"
android:onClick="goToAnotherActivity2"
android:enabled="false"
android:text="@string/scanning"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/button4"
android:layout_width="174dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="50dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="20dp"
android:onClick="goToAnotherActivity3"
android:enabled="false"
android:text="@string/gaining_and_maintaining_access"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/button5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:layout_marginTop="180dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:layout_marginBottom="8dp"
android:onClick="goToAnotherActivity4"
android:enabled="false"
android:text="@string/report"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
这是Java代码:
package com.example.ProPentest;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import androidx.appcompat.app.AppCompatActivity;
public class phase_list extends AppCompatActivity implements
View.OnClickListener {
Button button2, button3, button4, button5;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.phase_list);
button2 = findViewById(R.id.button2);
button3 = findViewById(R.id.button3);
button4 = findViewById(R.id.button4);
button5 = findViewById(R.id.button5);
button2.setOnClickListener(this);
}
public void goToAnotherActivity1(View view) {
Intent intent = new Intent(this, web_net.class);
startActivity(intent);
}
public void goToAnotherActivity2(View view) {
Intent intent = new Intent(this, web_net2.class);
startActivity(intent);
}
public void goToAnotherActivity3(View view) {
Intent intent = new Intent(this, webnet3.class);
startActivity(intent);
}
public void goToAnotherActivity4(View view) {
Intent intent = new Intent(this, report.class);
startActivity(intent);
}
@Override
public void onClick(View v) {
if (v==button2){
Intent myIntent = new Intent(phase_list.this, web_net.class);
phase_list.this.startActivity(myIntent);
button3.setEnabled(true);
button4.setEnabled(false);
button5.setEnabled(false);
}
if (v==button3) {
Intent myIntent = new Intent(phase_list.this, web_net2.class);
phase_list.this.startActivity(myIntent);
button4.setEnabled(true);
button5.setEnabled(false);
}
if (v==button4){
Intent myIntent = new Intent(phase_list.this, webnet3.class);
phase_list.this.startActivity(myIntent);
button5.setEnabled(true);
}
}
}
结果应该类似于用户需要逐步单击按钮以启用下一个按钮的过程。
答案 0 :(得分:0)
您同时定义了android:onClick
和setOnClickListener
来同时执行不同的任务。我不确定您可以做到。
我认为您应该在听众中进行管理。
答案 1 :(得分:0)
在为变量分配ID后,只需为button3,4和5添加 setOnClickListener(this); 。
赞:-`
button2.setOnClickListener(this);
button3.setOnClickListener(this);
button4.setOnClickListener(this);
button5.setOnClickListener(this);`
建议:-为获得更好的编码,请使用onClick(View v)方法内部的switch语句来处理特定的按钮单击。
答案 2 :(得分:0)
删除此部分
@Override
public void onClick(View v) {
if (v==button2){
Intent myIntent = new Intent(phase_list.this, web_net.class);
phase_list.this.startActivity(myIntent);
button3.setEnabled(true);
button4.setEnabled(false);
button5.setEnabled(false);
}
if (v==button3) {
Intent myIntent = new Intent(phase_list.this, web_net2.class);
phase_list.this.startActivity(myIntent);
button4.setEnabled(true);
button5.setEnabled(false);
}
if (v==button4){
Intent myIntent = new Intent(phase_list.this, webnet3.class);
phase_list.this.startActivity(myIntent);
button5.setEnabled(true);}
}
更新本节
public void goToAnotherActivity1(View view) {
Intent intent = new Intent(this, web_net.class);
startActivity(intent);
}
public void goToAnotherActivity2(View view) {
button3.setEnabled(true);
button4.setEnabled(false);
button5.setEnabled(false);
Intent intent = new Intent(this, web_net2.class);
startActivity(intent);
}
public void goToAnotherActivity3(View view) {
button4.setEnabled(true);
button5.setEnabled(false);
Intent intent = new Intent(this, webnet3.class);
startActivity(intent);
}
public void goToAnotherActivity4(View view) {
button5.setEnabled(true);
Intent intent = new Intent(this, report.class);
startActivity(intent);
}
我还注意到您只是以编程方式仅在onCreate方法中的按钮2上实现了点击侦听器,因此只有调用将返回到按钮2的onClick()覆盖方法
答案 3 :(得分:0)
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button1 = findViewById(R.id.button1);
Button button2 = findViewById(R.id.button2);
Button button3 = findViewById(R.id.button3);
Button button4 = findViewById(R.id.button4);
Button button5 = findViewById(R.id.button5);
button1.setOnClickListener(this);
button2.setOnClickListener(this);
button3.setOnClickListener(this);
button4.setOnClickListener(this);
button5.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:
// you can put your code hear. As per button SetEnabled and Intent
Toast.makeText(this, "Button 1 clicked", Toast.LENGTH_SHORT).show();
break;
case R.id.button2:
Toast.makeText(this, "Button 2 clicked", Toast.LENGTH_SHORT).show();
break;
case R.id.button3:
Toast.makeText(this, "Button 3 clicked", Toast.LENGTH_SHORT).show();
break;
case R.id.button4:
Toast.makeText(this, "Button 4 clicked", Toast.LENGTH_SHORT).show();
break;
case R.id.button5:
Toast.makeText(this, "Button 5 clicked", Toast.LENGTH_SHORT).show();
break;
}
}
}
注意: 删除xml文件中的按钮属性android:onClick
,因为在代码中,您覆盖了onClick
方法和goToAnotherActivity1/2/3/4
两者都是同一回事。
我希望它能帮助您...!