本文转载自:
http://ww
w.cnblogs.com/ligang305/archive/2012/08/02/2619870.html
package com.chnfuture.scaletypeimageview;
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.LinearLayout;
public class MainActivity extends Activity implements OnClickListener{
private Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
LinearLayout layout=new LinearLayout(this);
LinearLayout.LayoutParams layoutParams=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,LinearLayout.LayoutParams.WRAP_CONTENT);
button=new Button(this);
button.setId(123);
button.setText("Hello GaoMatrix");
button.setOnClickListener(this);
layout.addView(button, layoutParams);
setContentView(layout);
/**
* 用一个定时器控制当打开这个Activity的时候就出现软键盘
*/
Timer timer=new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
InputMethodManager inputMethodManager=(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
}
}, 2000);
}
/**
* 当单击事件的时候触发显示软键盘
*/
@Override
public void onClick(View v) {
InputMethodManager inputMethodManager=(InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);
//该方法会自动判断当前屏幕上是否有
//软键盘,如果有,就隐藏,如没有,就显示软键盘
}
}
w.cnblogs.com/ligang305/archive/2012/08/02/2619870.html