Question

activity_verify.xml

    <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="16dp"
    android:paddingRight="16dp"
    android:background="#ffffff"
    android:gravity="center_vertical">
<TextView
        android:id="@+id/countdown"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:focusable="false"
        android:fontFamily="sans-serif"
     android:textAppearance="@style/TextAppearance.AppCompat.Display1"
        android:textColor="@android:color/black"
        android:textSize="30sp"
        android:textStyle="bold" />
    <EditText
        android:id="@+id/otp"
        style="@android:style/Widget.DeviceDefault.Light.EditText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="numberDecimal"
        android:maxLength="4"
        android:layout_below="@id/countdown"
        android:layout_marginTop="10dp"
        android:layout_marginBottom="30dp"
        android:hint="Enter 4 digit OTP sent to your phone"/>
    <Button
        android:id="@+id/verification"
        style="@style/Widget.AppCompat.Button.Borderless.Colored"
        android:layout_width="80dp"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:layout_marginBottom="60dp"
        android:background="@android:color/holo_blue_dark"
        android:fontFamily="sans-serif"
        android:text="@string/bttext"
        android:textAlignment="center"
        android:textColor="@android:color/white"
        android:textSize="18sp"
        android:textStyle="bold"
        android:layout_below="@id/otp"/>
    </RelativeLayout>

Verify.java

    package com.example.myapp.appfirst;

import android.app.Activity;
import android.content.Context;
import android.widget.Button;
import android.view.View.OnClickListener;
import android.view.View;
import android.widget.EditText;
.
.
.

public class Verify extends Activity{
    public Button bt;
    public EditText digits;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_verify);
        this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); //App with fullscreen
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        bt = (Button) findViewById(R.id.verification);
        digits = (EditText) findViewById(R.id.otp);
            getdata(); //This function sends otp to the phone and sets countdown timer for OTP verification
        Log.d("oncreate","Now going to buttonVerify()");
        buttonVerify();
    }

    public void buttonVerify() {
        Log.d("Button","Entered into buttonVerify");
        bt.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.d("Button clicked","yaah!!");
                Toast.makeText(getBaseContext(),"It's working",Toast.LENGTH_SHORT).show();
.
.
.
}
       });
    }
.
.
.

Logcat消息＆＃34;按钮点击/ yaah !!＆＃34;从未显示过，并且onClick方法中的toast消息永远不会显示。该按钮完全没有点击。我已经浏览了stackoverflow上的所有代码和问题，我不知道我的代码有什么问题，而在我之前创建的其他应用程序中，相同的代码运行得很好。

Answer 1

可以this.requestWindowFeature(Window.FEATURE_NO_TITLE);上面的setContentView(R.layout.test);

行

请参阅：http://prntscr.com/fn7zhe

您的活动

public class Verify extends Activity {
    public Button bt;
    public EditText digits;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_verify);
        this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); //App with fullscreen

        bt = (Button) findViewById(R.id.verification);
        digits = (EditText) findViewById(R.id.otp);
        //getdata(); //This function sends otp to the phone and sets countdown timer for OTP verification
        Log.d("oncreate", "Now going to buttonVerify()");
        buttonVerify();
    }

    public void buttonVerify() {
        Log.d("Button", "Entered into buttonVerify");
        bt.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.d("Button clicked", "yaah!!");
                Toast.makeText(getBaseContext(), "It's working", Toast.LENGTH_SHORT).show();

            }
        });
    }
}

请参阅：布局文件

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="16dp"
    android:paddingRight="16dp"
    android:background="#ffffff"
    android:gravity="center_vertical">
    <TextView
        android:id="@+id/countdown"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:focusable="false"
        android:fontFamily="sans-serif"
        android:textAppearance="@style/TextAppearance.AppCompat.Display1"
        android:textColor="@android:color/black"
        android:textSize="30sp"
        android:textStyle="bold" />
    <EditText
        android:id="@+id/otp"
        style="@android:style/Widget.DeviceDefault.Light.EditText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="numberDecimal"
        android:maxLength="4"
        android:layout_below="@id/countdown"
        android:layout_marginTop="10dp"
        android:layout_marginBottom="30dp"
        android:hint="Enter 4 digit OTP sent to your phone"/>
    <Button
        android:id="@+id/verification"
        style="@style/Widget.AppCompat.Button.Borderless.Colored"
        android:layout_width="80dp"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:layout_marginBottom="60dp"
        android:background="@android:color/holo_blue_dark"
        android:fontFamily="sans-serif"
        android:text="bttext"
        android:textAlignment="center"
        android:textColor="@android:color/white"
        android:textSize="18sp"
        android:textStyle="bold"
        android:layout_below="@id/otp"/>
</RelativeLayout>

Answer 2

删除buttonVerify（）方法...... 使用这个....

public class Verify extends Activity{
public Button bt;
public EditText digits;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_verify);
    this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); //App with fullscreen
    this.requestWindowFeature(Window.FEATURE_NO_TITLE);
    bt = (Button) findViewById(R.id.verification);
    digits = (EditText) findViewById(R.id.otp);
        getdata(); //This function sends otp to the phone and sets countdown timer for OTP verification
    Log.d("oncreate","Now going to buttonVerify()");
     bt.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Log.d("Button clicked","yaah!!");
            Toast.makeText(getBaseContext(),"It's working",Toast.LENGTH_SHORT).show();

     }
                 });
}

应用所有解决方案android后，按钮没有响应点击

2 个答案: