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package com.example.mytest;
import java.util.Random;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Color;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.net.Uri;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.ViewParent;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.ScaleAnimation;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.VideoView;
import android.widget.ViewFlipper;
public class MainActivity extends Activity implements OnCompletionListener, OnPreparedListener {
private static MainActivity m_Activity;
private VideoView m_videoView;
private RelativeLayout m_rootLayout;
private boolean m_logoFinished;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
m_Activity = this;
m_Activity.runOnUiThread(new VideoSplashTask());
LayoutInflater inflater = LayoutInflater.from(m_Activity);
m_rootLayout = (RelativeLayout)inflater.inflate(R.layout.activity_main, null);
PrepareForStartLogo();
}
private class VideoSplashTask implements Runnable {
@Override
public void run() {
m_videoView = new VideoView((Context)m_Activity);
m_videoView.setOnCompletionListener(MainActivity.m_Activity);
m_videoView.setOnPreparedListener(MainActivity.m_Activity);
Uri uri= Uri.parse("android.resource://" + getPackageName() +"/"+ R.drawable.logo);
m_videoView.setVideoURI(uri);
LinearLayout ll = new LinearLayout(MainActivity.m_Activity);
ll.setGravity(Gravity.CENTER);
ll.setOrientation(LinearLayout.VERTICAL);
ll.setBackgroundColor(Color.WHITE);
ll.addView(m_videoView);
m_Activity.addContentView(ll, new LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT));
m_videoView.setZOrderOnTop(true);
m_videoView.requestFocus();
m_videoView.start();
}
}
@Override
public void onCompletion(MediaPlayer arg0) {
ViewParent layout = m_videoView.getParent();
((ViewGroup)layout.getParent()).removeView((View)layout);
m_videoView = null;
m_Activity.runOnUiThread(m_UiThreadStartLogo);
// destroy splash screen by view
m_rootLayout.postDelayed(m_UiThreadStopLogo, 3000);
}
@Override
public void onPrepared(MediaPlayer player) {
int width = player.getVideoWidth();
int height = player.getVideoHeight();
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
int screenWidth = dm.widthPixels;;
int screenHeight = dm.heightPixels;
// fill screen with the video
float scale = Math.max((float)screenWidth / width, (float)screenHeight / height);
LayoutParams lp = m_videoView.getLayoutParams();
lp.width = (int)Math.ceil(scale * width);
lp.height = (int)Math.ceil(scale * height);
m_videoView.setLayoutParams(lp);
m_videoView.start();
}
private void PrepareForStartLogo()
{
ViewFlipper mFlipper = (ViewFlipper)m_rootLayout.findViewById(R.id.flipper);
int[] imgResId = new int[] {R.drawable.a, R.drawable.b, R.drawable.c,
R.drawable.d, R.drawable.e };
for (int i = 0; i < imgResId.length; i++){
ImageView imageView = new ImageView(m_Activity);
imageView.setImageResource(imgResId[i]);
mFlipper.addView(imageView);
}
mFlipper.setDisplayedChild(new Random().nextInt(imgResId.length));
// viewFlipper animation
AnimationSet mFlipper_animSet_in = new AnimationSet(true);
TranslateAnimation mFlipper_animIn_t = new TranslateAnimation(
TranslateAnimation.RELATIVE_TO_SELF, 1f,
TranslateAnimation.RELATIVE_TO_SELF, 0f,
TranslateAnimation.RELATIVE_TO_SELF, 0f,
TranslateAnimation.RELATIVE_TO_SELF, 0f);
mFlipper_animIn_t.setDuration(300);
mFlipper_animSet_in.addAnimation(mFlipper_animIn_t);
AnimationSet mFlipper_animSet_out = new AnimationSet(true);
TranslateAnimation mFlipper_animOut_t = new TranslateAnimation(
TranslateAnimation.RELATIVE_TO_SELF, 0f,
TranslateAnimation.RELATIVE_TO_SELF, -1f,
TranslateAnimation.RELATIVE_TO_SELF, 0f,
TranslateAnimation.RELATIVE_TO_SELF, 0f);
mFlipper_animOut_t.setDuration(300);
mFlipper_animSet_out.addAnimation(mFlipper_animOut_t);
mFlipper.setInAnimation(mFlipper_animSet_in);
mFlipper.setOutAnimation(mFlipper_animSet_out);
mFlipper.setFlipInterval(4000);
mFlipper.startFlipping();
// image zz animation
final int animDuration = 1600;
TranslateAnimation mZZ_anim_translate = new TranslateAnimation(
TranslateAnimation.RELATIVE_TO_SELF, 0f,
TranslateAnimation.RELATIVE_TO_SELF, 1.8f,
TranslateAnimation.RELATIVE_TO_SELF, 0f,
TranslateAnimation.RELATIVE_TO_SELF, -1f);
mZZ_anim_translate.setDuration(animDuration);
mZZ_anim_translate.setInterpolator(new DecelerateInterpolator());
mZZ_anim_translate.setRepeatMode(Animation.RESTART);
mZZ_anim_translate.setRepeatCount(Integer.MAX_VALUE);
ScaleAnimation mZZ_anim_scale = new ScaleAnimation(1, 2, 1, 2,
Animation.RELATIVE_TO_SELF, 1f,
Animation.RELATIVE_TO_SELF, 1f);
mZZ_anim_scale.setDuration(animDuration);
mZZ_anim_scale.setInterpolator(new DecelerateInterpolator());
mZZ_anim_scale.setRepeatMode(Animation.RESTART);
mZZ_anim_scale.setRepeatCount(Integer.MAX_VALUE);
AlphaAnimation mZZ_anim_alpha = new AlphaAnimation(1, 0);
mZZ_anim_alpha.setDuration(animDuration);
mZZ_anim_alpha.setInterpolator(new DecelerateInterpolator());
mZZ_anim_alpha.setRepeatMode(Animation.RESTART);
mZZ_anim_alpha.setRepeatCount(Integer.MAX_VALUE);
AnimationSet mZZ_animSet = new AnimationSet(true);
mZZ_animSet.addAnimation(mZZ_anim_translate);
mZZ_animSet.addAnimation(mZZ_anim_scale);
mZZ_animSet.addAnimation(mZZ_anim_alpha);
ImageView zzImg = (ImageView)m_rootLayout.findViewById(R.id.zz);
zzImg.startAnimation(mZZ_animSet);
}
private final Runnable m_UiThreadStartLogo = new Runnable() {
public void run() {
m_Activity.addContentView(m_rootLayout, new LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
}
};
private final Runnable m_UiThreadStopLogo = new Runnable() {
public void run() {
m_rootLayout.clearAnimation();
ViewGroup vg = (ViewGroup) (m_rootLayout.getParent());
vg.removeView(m_rootLayout);
m_rootLayout = null;
// add text view
TextView text = new TextView(m_Activity);
text.setText("End");
text.setGravity(Gravity.CENTER);
m_Activity.addContentView(text, new LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
m_logoFinished = true;
}
};
@Override
public void onBackPressed() {
AlertDialog.Builder builder = new AlertDialog.Builder(m_Activity);
builder.setMessage("确定退出吗?");
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
m_Activity.finish();
}
});
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}
});
if (m_logoFinished){
builder.show();
}
};
@Override
protected void onResume() {
super.onResume();
if (m_videoView != null) {
m_videoView.resume();
}
}
@Override
protected void onPause() {
super.onPause();
if (m_videoView != null) {
m_videoView.pause();
}
}
}
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