实现后的效果如图:
布局很简单,在IM项目中已经介绍了,这里直接拿来用。
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="300dp"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/title"
android:layout_width="match_parent"
android:layout_height="46dp"
android:background="#2FD5B9"
android:gravity="center"
android:text="设置"
android:textColor="#ffffff"
android:textSize="20sp" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="38dp"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
android:layout_marginTop="10dp" >
<ImageView
android:id="@+id/iv_password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:src="@drawable/icon_pwd" />
<EditText
android:id="@+id/password"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:layout_marginLeft="11dp"
android:layout_toRightOf="@id/iv_password"
android:background="@null"
android:hint="密码"
android:inputType="textPassword"
android:singleLine="true"
android:textSize="18sp" />
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_alignParentBottom="true"
android:background="#b3b3b3" />
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="38dp"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
android:layout_marginTop="10dp" >
<ImageView
android:id="@+id/iv_password2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:src="@drawable/icon_pwd" />
<EditText
android:id="@+id/confirm_password"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:layout_marginLeft="11dp"
android:layout_toRightOf="@id/iv_password2"
android:background="@null"
android:hint="确认密码"
android:inputType="textPassword"
android:singleLine="true"
android:textSize="18sp" />
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_alignParentBottom="true"
android:background="#b3b3b3" />
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="13sp"
android:layout_marginRight="13sp"
android:layout_marginTop="16sp"
android:orientation="horizontal" >
<Button
android:id="@+id/cancel"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="10dip"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dip"
android:layout_marginTop="10dp"
android:layout_weight="1"
android:background="@drawable/button_register_bg"
android:gravity="center"
android:paddingBottom="7dp"
android:paddingTop="7dp"
android:text="取消"
android:textColor="@android:color/white"
android:textSize="18sp" />
<Button
android:id="@+id/ok"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="10dip"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dip"
android:layout_marginTop="10dp"
android:layout_weight="1"
android:background="@drawable/button_login_bg"
android:gravity="center"
android:paddingBottom="7dp"
android:paddingTop="7dp"
android:text="确认"
android:textColor="@android:color/white"
android:textSize="18sp" />
</LinearLayout>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="300dp"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/title"
android:layout_width="match_parent"
android:layout_height="46dp"
android:background="#2FD5B9"
android:gravity="center"
android:text="设置"
android:textColor="#ffffff"
android:textSize="20sp" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="38dp"
android:layout_marginLeft="28dp"
android:layout_marginRight="28dp"
android:layout_marginTop="10dp" >
<ImageView
android:id="@+id/iv_password"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:src="@drawable/icon_pwd" />
<EditText
android:id="@+id/password"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerVertical="true"
android:layout_marginLeft="11dp"
android:layout_toRightOf="@id/iv_password"
android:background="@null"
android:hint="请输入密码"
android:inputType="textPassword"
android:singleLine="true"
android:textSize="18sp" />
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_alignParentBottom="true"
android:background="#b3b3b3" />
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="13sp"
android:layout_marginRight="13sp"
android:layout_marginTop="16sp"
android:orientation="horizontal" >
<Button
android:id="@+id/cancel"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="10dip"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dip"
android:layout_marginTop="10dp"
android:layout_weight="1"
android:background="@drawable/button_register_bg"
android:gravity="center"
android:paddingBottom="7dp"
android:paddingTop="7dp"
android:text="取消"
android:textColor="@android:color/white"
android:textSize="18sp" />
<Button
android:id="@+id/ok"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="10dip"
android:layout_marginLeft="5dp"
android:layout_marginRight="5dip"
android:layout_marginTop="10dp"
android:layout_weight="1"
android:background="@drawable/button_login_bg"
android:gravity="center"
android:paddingBottom="7dp"
android:paddingTop="7dp"
android:text="确认"
android:textColor="@android:color/white"
android:textSize="18sp" />
</LinearLayout>
</LinearLayout>
使用AlertDialog,用View的inflate方法将布局转换为view对象,然后;builder.setView(view);
list_home.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
switch (position) {
case 0://进入手机防盗界面
showLostFindDialog();
break;
case 8://进入设置中心
Intent intent = new Intent(HomeActivity.this, SettingActivity.class);
startActivity(intent);
break;
default:
break;
}
}
});
protected void showLostFindDialog() {
//判断是否设置过密码
if (isSetupPwd()) {
//已经设置密码了,弹出的是输入对话框
showEnterDialog();
}else {
//没有设置过密码,弹出的是设置密码的对话框
showSetupPwdDialog();
}
}
private EditText password;
private EditText confirm_password;
private Button ok;
private Button cancel;
private AlertDialog dialog;
/**
*
* 设置密码对话框
*/
private void showSetupPwdDialog() {
AlertDialog.Builder builder = new Builder(HomeActivity.this);
//自定义一个布局文件
View view = View.inflate(this, R.layout.dialog_setup_dialog, null);
password = (EditText) view.findViewById(R.id.password);
confirm_password = (EditText) view.findViewById(R.id.confirm_password);
ok = (Button) view.findViewById(R.id.ok);
cancel = (Button) view.findViewById(R.id.cancel);
cancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//取消掉对话框
dialog.dismiss();
}
});
ok.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//取出密码
String password1 = password.getText().toString().trim();
String password2 = confirm_password.getText().toString().trim();
if (TextUtils.isEmpty(password1) || TextUtils.isEmpty(password2)) {
Toast.makeText(HomeActivity.this, "密码不能为空!", Toast.LENGTH_SHORT).show();
return;
}
//判断是否一致
if (password1.equals(password2)) {
//一致的话,就保存密码,把对话框消掉,还要进入手机防盗页面
Editor editor = sp.edit();
editor.putString("password", password1);
editor.commit();
dialog.dismiss();
Log.i(TAG, "一致的话,就保存密码,把对话框消掉,还要进入手机防盗页面");
}else {
Toast.makeText(HomeActivity.this, "两次输入的密码不一致!", Toast.LENGTH_SHORT).show();
return;
}
}
});
builder.setView(view);
dialog = builder.show();
}
/**
*
* 输入密码对话框
*
*/
private void showEnterDialog() {
AlertDialog.Builder builder = new Builder(HomeActivity.this);
//自定义一个布局文件
View view = View.inflate(this, R.layout.dialog_enter_dialog, null);
password = (EditText) view.findViewById(R.id.password);
ok = (Button) view.findViewById(R.id.ok);
cancel = (Button) view.findViewById(R.id.cancel);
cancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//取消掉对话框
dialog.dismiss();
}
});
ok.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String password1 = password.getText().toString().trim();
String savedPassword = sp.getString("password", null);
if (TextUtils.isEmpty(password1)) {
Toast.makeText(HomeActivity.this, "密码不能为空!", Toast.LENGTH_SHORT).show();
return;
}
if (password1.equals(savedPassword)) {
//输入的密码是之前设置的密码,如果不相同则提示用户并返回
//把对话框消掉,进入主页面
dialog.dismiss();
Log.i(TAG, "把对话框消掉,进入主页面");
}else {
Toast.makeText(HomeActivity.this, "密码错误!", Toast.LENGTH_SHORT).show();
}
}
});
builder.setView(view);
dialog = builder.show();
}
/**
* 判断是否设置过密码
*
* @return
*/
private boolean isSetupPwd(){
String password = sp.getString("password", null);
// if (TextUtils.isEmpty(password)) {
// return false;
// }else {
// return true;
// }
return !TextUtils.isEmpty(password);
}