android 启动页面的设置

来源：互联网发布：maya动漫软件编辑：程序博客网时间：2024/06/16 00:08

展示启动界面，可自定义，其中R.layout.login可以放一张图片

StartActivity.java

package com.example.usinglistview;/** * @projectname UsingListView   * @author Jo Jo_feng * @foundtime 2016-1-5 下午9:33:28 * @theme 启动界面的设置 */import android.app.Activity;import android.content.Intent;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.pm.PackageManager.NameNotFoundException;import android.graphics.PixelFormat;import android.os.Bundle;import android.os.Handler;import android.view.WindowManager;import android.widget.TextView;public class StartActivity extends Activity {@SuppressWarnings("deprecation")@Override    public void onCreate(Bundle icicle) {        super.onCreate(icicle);        getWindow().setFormat(PixelFormat.RGBA_8888);        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DITHER);        setContentView(R.layout.activity_start);        //Display the current version number        PackageManager pm = getPackageManager();        try {            PackageInfo pi = pm.getPackageInfo("com.example.usinglistview", 0);//设置程序版本            TextView versionNumber = (TextView) findViewById(R.id.textView1);            versionNumber.setText("Version 版本 " + pi.versionName);//在启动页面显示文本        } catch (NameNotFoundException e) {            e.printStackTrace();        }        new Handler().postDelayed(new Runnable() {            public void run() {                /* Create an Intent that will start the Main WordPress Activity. */                Intent mainIntent = new Intent(StartActivity.this, MainActivity.class);                StartActivity.this.startActivity(mainIntent);                StartActivity.this.finish();            }        }, 2900); //2900 for release    }  }

activity_start.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"    android:background="@drawable/ic_launcher"    tools:context=".StartActivity" >    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentBottom="true"        android:layout_centerHorizontal="true"        android:layout_marginBottom="69dp"        android:text="TextView" /></RelativeLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.usinglistview"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="14"        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.usinglistview.MainActivity"            android:label="@string/app_name" >                  </activity>        <activity            android:name="com.example.usinglistview.StartActivity"            android:label="@string/title_activity_start" >             <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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