Android:一段时间后禁用按钮

Question

我正在创建一个应用程序，当按下按钮时，它会在“for 循环”中生成一些啁啾声，我想在循环期间阻止按钮，并在循环结束时释放它们。

我试过了，但是应用程序崩溃了:

package android.nacho.UltraSoundSender;


import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class UltraSoundSender extends Activity {

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


        Button btnCode = (Button) findViewById(R.id.btnCode);
        btnCode.setOnClickListener(new OnClickListener() {

            //@Override
            public void onClick(View arg0) {            

                enableButton(false);

                new Thread( new Runnable( ) 
                {
                   public void run( )
                   {   

                       //working=false;
                      // int Code=Integer.parseInt(((EditText)findViewById(R.id.Code)).getText().toString());
                       //((EditText)findViewById(R.id.Code)).setText("");
                       String word= ((EditText)findViewById(R.id.Code)).getText().toString();
                       Integer digits[]= new Integer[64];
                       int NumChar= word.length();

                       //This split the string in chars
                       for(int i = 0; i <  NumChar ; i++){

                           digits[i]=(int)word.charAt(i);

                            }

                      //Values of the chirp
                       int startFreq = 3000;
                       int endFreq = 7000;
                       double impulseDuration = 50;



                       for(int IndexChar= 0; IndexChar< NumChar ; IndexChar++)
                       {

                            new ChirpGenerator().playDOWN(startFreq, endFreq, impulseDuration, digits[IndexChar]);
                            try {
                                Thread.sleep(500);
                            } catch (InterruptedException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                            }
                       }


                       enableButton(true);
                   }

                } ).start();

            }
        });


}

    //Enable/disable button
    private void enableButton(boolean isEnable)
    {
        ((Button)findViewById(R.id.btnCode)).setEnabled(isEnable);

}



    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_ultra_sound_sender, menu);
        return true;


    }
}

我在 logcat 中得到这个错误:

06-19 11:15:00.852: E/AndroidRuntime(29419): FATAL EXCEPTION: Thread-5516 06-19 11:15:00.852: E/AndroidRuntime(29419): android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views. 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.view.ViewRootImpl.checkThread(ViewRootImpl.java:4746) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.view.ViewRootImpl.invalidateChildInParent(ViewRootImpl.java:854) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.view.ViewGroup.invalidateChild(ViewGroup.java:4077) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.view.View.invalidate(View.java:10322) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.widget.TextView.invalidateDrawable(TextView.java:4601) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.graphics.drawable.DrawableContainer.invalidateDrawable(DrawableContainer.java:250) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.graphics.drawable.Drawable.invalidateSelf(Drawable.java:338) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.graphics.drawable.Drawable.setVisible(Drawable.java:549) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.graphics.drawable.DrawableContainer.selectDrawable(DrawableContainer.java:307) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.graphics.drawable.StateListDrawable.onStateChange(StateListDrawable.java:106) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.graphics.drawable.Drawable.setState(Drawable.java:465) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.view.View.drawableStateChanged(View.java:14281) 06-19 11:15:00.852: E/AndroidRuntime(29419): at android.widget.TextView.drawableStateChanged(TextView.java:3184)

我应该在哪里调用启用函数？我想超出了主题，但是如何呢？

Answer 1

当按钮被点击时...直到再过 5 秒它才可点击

btnCode.setOnClickListener(new OnClickListener()
            {
                public void onClick(final View v)
                {
                    v.setClickable(false);
                    new Handler().postDelayed(new Runnable() 
                    {
                        public void run() 
                        {
                            v.setClickable(true);
                        }
                    }, 500);

                }
            });

在 for 循环中用你的估计替换时间