[英]Password protect android app
I have an application which I am developing. 我有一个正在开发的应用程序。 I need to password protect it, ie a password needs to be entered before allowing access to the main content.
我需要用密码保护它,即在允许访问主要内容之前需要输入密码。
Password can be stored locally in the Java file. 密码可以本地存储在Java文件中。
LoginActivity.java LoginActivity.java
package com.example.capitacustomerfactsheets;
import android.os.Bundle;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
public class LoginActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
setContentView(R.layout.activity_login);
final EditText passWord = (EditText) findViewById(R.id.editpassword);
final Button loginButton = (Button) findViewById(R.id.btn_submit);
loginButton .setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if(passWord.getText().toString().equals("123456")) {
final Intent myIntent = new Intent();
myIntent.setComponent(new ComponentName(LoginActivity.this,MainActivity.class));
startActivity(myIntent);
finish();
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.login, menu);
return true;
}
}
activity_login.xml activity_login.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".LoginActivity" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/password" />
<EditText
android:id="@+id/editpassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/textView1"
android:layout_centerHorizontal="true"
android:layout_marginTop="18dp"
android:ems="10"
android:inputType="textPassword" >
<requestFocus />
</EditText>
<Button
android:id="@+id/btn_submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/editText1"
android:layout_centerHorizontal="true"
android:layout_marginTop="18dp"
android:text="Login" />
</RelativeLayout>
try this one 试试这个
public void onCreate(Bundle savedInstanceState)
{
setContentView(R.layout.activity_login);
final EditText passWord = (EditText) findViewById(R.id.editpassword);
final Button loginButton = (Button) findViewById(R.id.btn_submit);
loginButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if(passWord.getText().toString().equals("123456")) {
final Intent myIntent = new Intent();
myIntent.setComponent(new ComponentName(LoginActivity.this,your new activity.class));
startActivity(myIntent);
finish();
}
}
});
}
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