以下是源代码,那个button按钮怎么美化呢?,请大家帮帮我吧。
比方说如何让button按钮有按下的效果,如何让button按钮实现颜色的渐变。
package com.edu.ytu.cn;import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;public class MyLoginActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);//设置窗口无标题
setContentView(R.layout.login);
final EditText username_et = (EditText) findViewById(R.id.username_edit);
final EditText password_et = (EditText) findViewById(R.id.password_edit);
final TextView regist_tv = (TextView) findViewById(R.id.register_link);
Button log_bt = (Button) findViewById(R.id.signin_button);
log_bt.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
final String username_str = username_et.getText().toString();
final String password_str = password_et.getText().toString();
// TODO Auto-generated method stub
if(username_str.equals("admin") && password_str.equals("123")){
Intent intent = new Intent(MyLoginActivity.this, MenuActivity.class);
startActivity(intent);
}
else{
Toast.makeText(MyLoginActivity.this,
"账号或密码错误,请重新输入!",Toast.LENGTH_SHORT).show();
}
}
});
regist_tv.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
LayoutInflater inflater = getLayoutInflater();
View layout = inflater.inflate(R.layout.regist,
(ViewGroup) findViewById(R.id.rg_dialog));
AlertDialog.Builder builder = new Builder(MyLoginActivity.this);
builder.setTitle("请认真填写您的信息")
.setView(layout)
.setPositiveButton("注册", null)
.setNegativeButton("取消", null).show();
}
});
}
}大家一定要帮帮我呀,谢谢大家了。
比方说如何让button按钮有按下的效果,如何让button按钮实现颜色的渐变。
package com.edu.ytu.cn;import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;public class MyLoginActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);//设置窗口无标题
setContentView(R.layout.login);
final EditText username_et = (EditText) findViewById(R.id.username_edit);
final EditText password_et = (EditText) findViewById(R.id.password_edit);
final TextView regist_tv = (TextView) findViewById(R.id.register_link);
Button log_bt = (Button) findViewById(R.id.signin_button);
log_bt.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
final String username_str = username_et.getText().toString();
final String password_str = password_et.getText().toString();
// TODO Auto-generated method stub
if(username_str.equals("admin") && password_str.equals("123")){
Intent intent = new Intent(MyLoginActivity.this, MenuActivity.class);
startActivity(intent);
}
else{
Toast.makeText(MyLoginActivity.this,
"账号或密码错误,请重新输入!",Toast.LENGTH_SHORT).show();
}
}
});
regist_tv.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
LayoutInflater inflater = getLayoutInflater();
View layout = inflater.inflate(R.layout.regist,
(ViewGroup) findViewById(R.id.rg_dialog));
AlertDialog.Builder builder = new Builder(MyLoginActivity.this);
builder.setTitle("请认真填写您的信息")
.setView(layout)
.setPositiveButton("注册", null)
.setNegativeButton("取消", null).show();
}
});
}
}大家一定要帮帮我呀,谢谢大家了。
http://blog.csdn.net/aminfo/article/details/7782253