Android实现注册登录界面的实例代码实现注册登录界面的实例代码
主要介绍了Android实现注册登录界面的实例代码,小编觉得挺不错的,现在分享给大家,也给大家做个参考。
一起跟随小编过来看看吧
本文讲述了在linux命令下导出导入.sql文件的方法。分享给大家供大家参考,具体如下:
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="online.geekgalaxy.layoutlearn">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".login">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
</intent-filter>
</activity>
<activity android:name=".register">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
</intent-filter>
</activity>
</application>
</manifest>
MainActivity.java
package online.geekgalaxy.layoutlearn;
import android.content.DialogInterface;
import android.content.Intent;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//login button
final Button login = (Button) findViewById(R.id.button);
final String user = "admin";
final String pass = "hello";
login.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
String username = "";
EditText editText1 = (EditText)findViewById(R.id.editText);
username = editText1.getText().toString();
String password = "";
EditText editText2 = (EditText)findViewById(R.id.editText2);
password = editText2.getText().toString();
if (username.equals(user) & password.equals(pass)) {
Intent intent = new Intent(MainActivity.this, login.class);
startActivity(intent);
}
else {
new AlertDialog.Builder(MainActivity.this).setTitle("Error!").setMessage("Wrong username or password.")
.setNegativeButton("OK",null)
.show();
}
}
});
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