手机页面的切换

来源：互联网发布：matlab 2017b mac 编辑：程序博客网时间：2024/05/02 00:55

package com.wzc.ex03_08;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        Button b1= (Button) findViewById(R.id.bt_1);        b1.setOnClickListener(new Button.OnClickListener(){            @Override            public void onClick(View view) {                jumpToLayout2();            }        });    }    private void jumpToLayout2() {        setContentView(R.layout.mylayout);        Button b2 = (Button) findViewById(R.id.bt_2);        b2.setOnClickListener(new Button.OnClickListener() {            @Override            public void onClick(View view) {                jumpToLayout1();            }        });    }    private void jumpToLayout1() {        setContentView(R.layout.activity_main);        Button b1 = (Button) findViewById(R.id.bt_1);        b1.setOnClickListener(new Button.OnClickListener() {            @Override            public void onClick(View view) {                jumpToLayout2();            }        });    }}

<?xml version="1.0" encoding="utf-8"?><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"    android:background="@drawable/black"    tools:context="com.wzc.ex03_08.MainActivity">    <TextView        android:id="@+id/tv_1"        android:textSize="24sp"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/layout1" />    <Button        android:id="@+id/bt_1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Go to layout2"        android:layout_below="@+id/tv_1"        android:layout_alignParentStart="true"        /></RelativeLayout>
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="@drawable/white"    android:orientation="vertical"    >    <TextView        android:id="@+id/tv_2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/layout2"        android:textSize="24sp"        />    <Button        android:id="@+id/bt_2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:textColor="@drawable/black"        android:text="Go to layout1"        /></LinearLayout>

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