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Android 按钮无法单击_Android_Button - Fatal编程技术网

Android 按钮无法单击

Android 按钮无法单击,android,button,Android,Button,我的按钮有问题,无法点击,我不知道为什么。有人能帮忙/告诉我吗 以下是我使用的代码: package com.example.randallinho.saling_wika; import android.app.Activity; import android.media.MediaPlayer; import android.media.MediaRecorder; import android.os.Bundle; import android.os.Environment; impo

我的按钮有问题,无法点击,我不知道为什么。有人能帮忙/告诉我吗

以下是我使用的代码:

package com.example.randallinho.saling_wika;


import android.app.Activity;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import java.io.IOException;

public class RecordModule extends Activity {

Button SpeakBtn, StopBtn;
private MediaRecorder myAudioRecorder;
private String outputFile = null;

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.recordmodule);

    SpeakBtn = (Button) findViewById(R.id.SpeakBtn);
    StopBtn = (Button) findViewById(R.id.StopBtn);

    StopBtn.setEnabled(false);
    SpeakBtn.setEnabled(false);
    outputFile = Environment.getExternalStorageDirectory().getAbsolutePath() + "/recording.3gp";

    myAudioRecorder= new MediaRecorder();
    myAudioRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    myAudioRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    myAudioRecorder.setAudioEncoder(MediaRecorder.OutputFormat.AMR_NB);
    myAudioRecorder.setOutputFile(outputFile);

    SpeakBtn.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            try {
                myAudioRecorder.prepare();
                myAudioRecorder.start();
            }

            catch (IllegalStateException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            SpeakBtn.setEnabled(false);
            StopBtn.setEnabled(true);

            Toast.makeText(getApplicationContext(), "Recording started", Toast.LENGTH_LONG).show();
        }
    });

    StopBtn.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            myAudioRecorder.stop();
            myAudioRecorder.release();
            myAudioRecorder = null;

            StopBtn.setEnabled(false);
            SpeakBtn.setEnabled(true);

            Toast.makeText(getApplicationContext(), "Audio recorded successfully", Toast.LENGTH_LONG).show();
        }
    });

    SpeakBtn.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) throws IllegalArgumentException,SecurityException,IllegalStateException {
            MediaPlayer m = new MediaPlayer();

            try {
                m.setDataSource(outputFile);
            }

            catch (IOException e) {
                e.printStackTrace();
            }

            try {
                m.prepare();
            }

            catch (IOException e) {
                e.printStackTrace();
            }

            m.start();
            Toast.makeText(getApplicationContext(), "Playing audio", Toast.LENGTH_LONG).show();
        }
    });
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.menu_record_module, menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.

    int id = item.getItemId();

    //noinspection SimplifiableIfStatement
    if (id == R.id.action_settings) {
        return true;
    }
    return super.onOptionsItemSelected(item);
}
我不知道为什么我的按钮无法点击,请有人帮我一下。

是你自己做的

StopBtn.setEnabled(false);
SpeakBtn.setEnabled(false);
您正在禁用它并在该
按钮的
onClick
中启用它,如果
按钮被禁用,将如何调用
onClick


至少启用一个按钮,这样其他代码将得到执行,因为您正在禁用按钮,所以请将其中一个按钮设置为true

SpeakBtn = (Button) findViewById(R.id.SpeakBtn);
StopBtn = (Button) findViewById(R.id.StopBtn);

StopBtn.setEnabled(true);
SpeakBtn.setEnabled(false);

因此,您的代码将得到执行。

只有在按钮启用时,单击按钮才能工作。首先在要单击按钮的位置启用按钮。 从下面拆下最后两行

SpeakBtn = (Button) findViewById(R.id.SpeakBtn);
StopBtn = (Button) findViewById(R.id.StopBtn);

StopBtn.setEnabled(false);
SpeakBtn.setEnabled(false);

您的逻辑不正确,最初至少启用一个按钮。这有帮助。我忘了启用那个SpeakBtn,谢谢你提醒我!