实验二任务1打招呼

来源：互联网发布：rcpp软件编辑：程序博客网时间：2024/06/06 03:05

实验运行效果图：

mainactivity.java代码如下：

package com.example.mfc;import android.app.Activity;import android.os.Bundle;import android.view.LayoutInflater;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{private Button button;private EditText eT1;protected void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);button = (Button) this.findViewById(R.id.button);eT1 = (EditText) findViewById(R.id.eT1);button.setOnClickListener(new View.OnClickListener(){@Overridepublic void onClick(View v){String name = eT1.getText().toString();View layout = LayoutInflater.from(MainActivity.this).inflate(R.layout.toast, null);Toast toast = new Toast(MainActivity.this);TextView textView = (TextView) layout.findViewById(R.id.text);textView.setText("holle ！！！！" + name);toast.setDuration(Toast.LENGTH_LONG);toast.setView(layout);toast.show();}});}}

activity_main.xml代码如下：

<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:background="@drawable/bg"    tools:context="com.example.b.shiyaner.renwuyi.dazhaohu.MainActivity" >    <EditText        android:id="@+id/eT1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentRight="true"        android:layout_alignParentTop="true"        android:layout_marginRight="37dp"        android:layout_marginTop="120dp"        android:background="@android:drawable/edit_text"        android:drawableLeft="@drawable/name"        android:ems="10"        android:hint="@string/et1" >        <requestFocus />    </EditText><Button    android:id="@+id/button"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:layout_below="@+id/eT1"    android:layout_centerHorizontal="true"    android:layout_marginTop="77dp"    android:text="@string/bu2" /></RelativeLayout>

toast.xml代码如下：

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/toast_layout_root"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:background="#AA6666"    android:orientation="horizontal"    android:padding="8dp" >    <ImageView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_marginRight="8dp" />    <TextView        android:id="@+id/text"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center_horizontal"        android:textColor="#114499" /></LinearLayout>

Andriodmanifest.xlm代码如下：

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.mfc"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="18" />    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.example.mfc.MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>

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