MainActivity
package com.example.qwee; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button btn = (Button) findViewById(R.id.btn); } private TextView textView; public void click(View view) { Intent intent = new Intent(MainActivity.this, AnotherActivity.class); EditText et1 = (EditText) findViewById(R.id.editText1); EditText et2 = (EditText) findViewById(R.id.editText2); textView = (TextView) findViewById(R.id.tv); String s1 = et1.getText().toString(); String s2 = et2.getText().toString(); if (s1.equals("123456") && s2.equals("abc123")) { startActivity(intent); } else { Toast.makeText(MainActivity.this, "登录失败", 0).show(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }
AnotherActivity
package com.example.qwee; import android.net.Uri; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; public class AnotherActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_another); Button btn = (Button) findViewById(R.id.btn); } public void click(View view) { Intent intent=new Intent(); intent.setAction("android.intent.action.VIEW"); Uri u=Uri.parse("https://im.qq.com"); intent.setData(u); startActivity(intent); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.another, menu); return true; } }
acticity_main
<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=".MainActivity" > <ImageView android:id="@+id/picture" android:layout_width="80dp" android:layout_height="80dp" android:layout_centerHorizontal="true" android:layout_marginTop="58dp" android:src="@drawable/picture" /> <EditText android:id="@+id/editText2" android:layout_width="200dp" android:layout_height="wrap_content" android:layout_alignLeft="@+id/editText1" android:layout_below="@+id/editText1" android:layout_marginTop="19dp" android:ems="10" /> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignBaseline="@+id/editText2" android:layout_alignBottom="@+id/editText2" android:layout_alignLeft="@+id/textView1" android:text="密码:" android:textSize="20sp" /> <TextView android:id="@+id/tv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/btn" android:layout_centerHorizontal="true" android:layout_marginTop="29dp" /> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/editText2" android:layout_alignParentLeft="true" android:layout_marginLeft="30dp" android:text="账号:" android:textSize="20sp" /> <Button android:id="@+id/btn" android:layout_width="250dp" android:layout_height="wrap_content" android:layout_below="@+id/editText2" android:layout_centerHorizontal="true" android:layout_marginTop="50dp" android:background="#3A5FCD" android:onClick="click" android:text="登录" android:textColor="#FFFFFF" /> <EditText android:id="@+id/editText1" android:layout_width="200dp" android:layout_height="wrap_content" android:layout_below="@+id/picture" android:layout_marginTop="24dp" android:layout_toRightOf="@+id/textView1" android:ems="10" android:textColor="#000000" android:textSize="20sp" /> </RelativeLayout>
activity_another
<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=".AnotherActivity" > <Button android:id="@+id/btn" android:layout_width="250dp" android:layout_height="wrap_content" android:layout_below="@+id/textView1" android:layout_centerHorizontal="true" android:layout_marginTop="32dp" android:background="#3A5FCD" android:onClick="click" android:text="QQ" android:textSize="20sp" android:textColor="#FFFFFF" /> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="174dp" android:textSize="40sp" android:text="登录成功" /> </RelativeLayout>
截图1
截图2
截图3