package com.example.gaopeng_10_15_01;
import android.app.Activity;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
private Button bt;
private TextView tv1;
private EditText ed1,ed2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt=(Button) findViewById(R.id.bt1);
tv1=(TextView) findViewById(R.id.tv1);
ed1=(EditText) findViewById(R.id.edt1);
ed2=(EditText) findViewById(R.id.edt2);
bt.setOnClickListener(new ButtononClick());
}
class ButtononClick implements View.OnClickListener{
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String user=ed1.getText().toString();
String password=ed2.getText().toString();
if(user.equals("qwe")&&password.equals("123"))
{
tv1.setText("welcome");
}
else if(user.equals("qwe"))
tv1.setText("password is wrong");
else
tv1.setText("not found this account");
}
}
}
<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="com.example.gaopeng_10
.MainActivity" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="用户名" />
<EditText
android:id="@+id/edt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
>
</EditText>>
</LinearLayout>
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密码" />
<EditText
android:id="@+id/edt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPassword"
></EditText>>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<Button
android:id="@+id/bt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="登录"
></Button>
<Button
android:id="@+id/bt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="取消"
></Button>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/tv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=" "
></TextView>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
package com.example.gaopeng_10_15_02;
import android.app.Activity;
import android.os.Bundle;
import android.view.*;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
private Button bt;
private TextView tv1;
private EditText ed1,ed2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt=(Button) findViewById(R.id.bt1);
tv1=(TextView) findViewById(R.id.tv1);
ed1=(EditText) findViewById(R.id.edt1);
ed2=(EditText) findViewById(R.id.edt2);
bt.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String user=ed1.getText().toString();
String password=ed2.getText().toString();
if(user.equals("qwe")&&password.equals("123"))
{
tv1.setText("welcome");
}
else if(user.equals("qwe"))
tv1.setText("password is wrong");
else
tv1.setText("not found this account");
}
});
}
}
package com.example.gaopeng_10_15_02;
import android.app.Activity;
import android.os.Bundle;
import android.view.*;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity implements View.OnClickListener{
private Button bt;
private TextView tv1;
private EditText ed1,ed2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt=(Button) findViewById(R.id.bt1);
tv1=(TextView) findViewById(R.id.tv1);
ed1=(EditText) findViewById(R.id.edt1);
ed2=(EditText) findViewById(R.id.edt2);
bt.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String user=ed1.getText().toString();
String password=ed2.getText().toString();
if(user.equals("qwe")&&password.equals("123"))
{
tv1.setText("welcome");
}
else if(user.equals("qwe"))
tv1.setText("password is wrong");
else
tv1.setText("not found this account");
}
}
<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="com.example.gaopeng_10_15_02.MainActivity" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="用户名" />
<EditText
android:id="@+id/edt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
>
</EditText>>
</LinearLayout>
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密码" />
<EditText
android:id="@+id/edt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPassword"
></EditText>>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<Button
android:id="@+id/bt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="登录"
></Button>
<Button
android:id="@+id/bt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="取消"
></Button>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/tv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=" "
></TextView>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
<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="com.example.gaopeng_10_15_02.MainActivity" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="用户名" />
<EditText
android:id="@+id/edt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
>
</EditText>>
</LinearLayout>
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密码" />
<EditText
android:id="@+id/edt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPassword"
></EditText>>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<Button
android:id="@+id/bt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="登录"
></Button>
<Button
android:id="@+id/bt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="取消"
></Button>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/tv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=" "
></TextView>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
package com.example.gaopeng_10_15_02;
import android.app.Activity;
import android.os.Bundle;
import android.view.*;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
private Button bt;
private TextView tv1;
private EditText ed1,ed2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt=(Button) findViewById(R.id.bt1);
tv1=(TextView) findViewById(R.id.tv1);
ed1=(EditText) findViewById(R.id.edt1);
ed2=(EditText) findViewById(R.id.edt2);
}
public void Clickit(View view)
{
String user=ed1.getText().toString();
String password=ed2.getText().toString();
if(user.equals("qwe")&&password.equals("123"))
{
tv1.setText("welcome");
}
else if(user.equals("qwe"))
tv1.setText("password is wrong");
else
tv1.setText("not found this account");
}
}
<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="com.example.gaopeng_10_15_02.MainActivity" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="用户名" />
<EditText
android:id="@+id/edt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
>
</EditText>>
</LinearLayout>
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密码" />
<EditText
android:id="@+id/edt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPassword"
></EditText>>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<Button
android:id="@+id/bt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="登录"
android:onClick="Clickit"
></Button>
<Button
android:id="@+id/bt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="取消"
></Button>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/tv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=" "
></TextView>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
三:
package com.example.gaopeng_10_15_02;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.*;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
private Button bt;
private TextView tv1;
private EditText ed1,ed2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bt=(Button) findViewById(R.id.bt1);
tv1=(TextView) findViewById(R.id.tv1);
ed1=(EditText) findViewById(R.id.edt1);
ed2=(EditText) findViewById(R.id.edt2);
}
public void Clickit(View view)
{
String user=ed1.getText().toString();
String password=ed2.getText().toString();
if(user.equals("qwe")&&password.equals("123"))
{
Intent myintent=new Intent();
myintent.setClass(MainActivity.this, SecondActivity.class);
startActivity(myintent);
}
else if(user.equals("qwe"))
tv1.setText("password is wrong");
else
tv1.setText("not found this account");
}
}
package com.example.gaopeng_10_15_02;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
public class SecondActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.second, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
<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="com.example.gaopeng_10_15_02.MainActivity" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="用户名" />
<EditText
android:id="@+id/edt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
>
</EditText>>
</LinearLayout>
<LinearLayout android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/t2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="密码" />
<EditText
android:id="@+id/edt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPassword"
></EditText>>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<Button
android:id="@+id/bt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="登录"
android:onClick="Clickit"
></Button>
<Button
android:id="@+id/bt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="取消"
></Button>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
<TextView
android:id="@+id/tv1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=" "
></TextView>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
<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="com.example.gaopeng_10_15_02.SecondActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="登陆成功" />
</RelativeLayout>
安卓第二次实验课记录
最新推荐文章于 2023-11-13 17:36:43 发布