动态显示和隐藏软键盘

package oyc.com;
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class hello extends Activity {
    private TextView mTextView01;
    private EditText mEditText01;
    private InputMethodManager m;
    private Timer timer;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        mTextView01 = (TextView)findViewById(R.id.myTextView);
        mEditText01 = (EditText)findViewById(R.id.myEditText);
        mEditText01.setVisibility(View.GONE);
        m = (InputMethodManager)mEditText01.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
        timer = new Timer();
        timer.schedule(new TimerTask(){
            @Override
            public void run() {
                m.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
                //Toast.makeText(hello.this, "show", Toast.LENGTH_SHORT).show();
            }
        }, 1000);
        //显示键盘
        findViewById(R.id.button_show_keyboard).setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                //m.showSoftInput(mEditText01, InputMethodManager.HIDE_NOT_ALWAYS);
                m.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
                /*timer.purge();
                timer.schedule(new TimerTask(){
                    @Override
                    public void run() {
                        m.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
                        //Toast.makeText(hello.this, "show", Toast.LENGTH_SHORT).show();
                    }
                }, 1000);*/
            }
        });
        //隐藏键盘
        findViewById(R.id.button_hide_keyboard).setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                ((InputMethodManager)getSystemService(INPUT_METHOD_SERVICE))
                .hideSoftInputFromWindow(
                        mEditText01.getWindowToken(),
                        InputMethodManager.HIDE_NOT_ALWAYS);
            }
        });
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        mTextView01.setText("" + keyCode);
        switch (keyCode) {
        case KeyEvent.KEYCODE_0:
            break;
        default:
            break;
        }
        return super.onKeyDown(keyCode, event);
    }
}

package oyc.com;import java.util.Timer;import java.util.TimerTask;import android.app.Activity;import android.content.Context;import android.os.Bundle;import android.view.KeyEvent;import android.view.View;import android.view.View.OnClickListener;import android.view.inputmethod.InputMethodManager;import android.widget.EditText;import android.widget.TextView;import android.widget.Toast;public class hello extends Activity {private TextView mTextView01;private EditText mEditText01;private InputMethodManager m;private Timer timer;/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);mTextView01 = (TextView)findViewById(R.id.myTextView);mEditText01 = (EditText)findViewById(R.id.myEditText);mEditText01.setVisibility(View.GONE);m = (InputMethodManager)mEditText01.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);timer = new Timer();timer.schedule(new TimerTask(){@Overridepublic void run() {m.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);//Toast.makeText(hello.this, "show", Toast.LENGTH_SHORT).show();}}, 1000);//显示键盘findViewById(R.id.button_show_keyboard).setOnClickListener(new OnClickListener() {public void onClick(View v) {//m.showSoftInput(mEditText01, InputMethodManager.HIDE_NOT_ALWAYS);m.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);/*timer.purge();timer.schedule(new TimerTask(){@Overridepublic void run() {m.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);//Toast.makeText(hello.this, "show", Toast.LENGTH_SHORT).show();}}, 1000);*/}});//隐藏键盘findViewById(R.id.button_hide_keyboard).setOnClickListener(new OnClickListener() {public void onClick(View v) {((InputMethodManager)getSystemService(INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(mEditText01.getWindowToken(),InputMethodManager.HIDE_NOT_ALWAYS); }});}@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {mTextView01.setText("" + keyCode);switch (keyCode) {case KeyEvent.KEYCODE_0:break;default:break;}return super.onKeyDown(keyCode, event);}}