HouseProperty/app/src/main/java/com/sl/house_property/MainActivity.java

package com.sl.house_property;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.GestureDetector;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;

import java.util.ArrayList;

import adapter.StartViewpagerAdapter;
import tools.Config;
import utils.ConfigTitiles;
import utils.SetBigMap;
/*gradlew compileDebug --stacktrace*/
/*gradlew compileDebugSources --stacktrace -info*/
public class MainActivity extends Activity {

    private GestureDetector mGestureDetector;
    private float FLING_MIN_DISTANCE = 70;//手势滑动
    public float FLING_MIN_VELOCITY = 20;
    private ViewPager welcomepage;

    private ImageView point1;
    private ImageView point2;
    // private ImageView point3;
    public double getPagerScroCHaged() {
        return pagerScroCHaged;}
    public void setPagerScroCHaged(double pagerScroCHaged) {
        this.pagerScroCHaged = pagerScroCHaged;
    }
    private double pagerScroCHaged = 0.0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);
        Log.d("Main","main");

        onceOrNot();
    }
    private Handler mHandler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            switch (msg.what) {
                case 20000:

                    if (welcomepage.getCurrentItem() == 1) {
                        startActivity(new Intent( MainActivity.this,LogoActivity.class));
                        finish();
                    }
                    break;
            }
        }
    };
    private void onceOrNot() {
        // TODO Auto-generated method stub
        int once = Config.getInstance(MainActivity.this).getInt(ConfigTitiles.ONCEORNOT, 0);
        if (once == 0) {
            Config.getInstance(getApplicationContext()).put(ConfigTitiles.ONCEORNOT, 1);
            onceStart();
            return;
        } else {
            //onceStart();
            otherStart();
          return;
        }

    }
    private void onceStart() {
        // TODO Auto-generated method stub
        mGestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {


            public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
                                   float velocityY) {

                if (e1.getX() - e2.getX() > FLING_MIN_DISTANCE
                        && Math.abs(velocityX) > FLING_MIN_VELOCITY) {// move to left
                    {
                        if (Math.abs(e1.getX() - e2.getX()) > Math.abs(e1.getY() - e2.getY())) {
                            if ((welcomepage.getCurrentItem() == 1) && (getPagerScroCHaged() == 0.0)) {

                                Message msg = new Message();
                                msg.what = 20000;
                                mHandler.sendMessage(msg);
                                return true;

                            }

                            //TODO 左滑动

                        } else if (e2.getX() - e1.getX() > FLING_MIN_DISTANCE
                                && Math.abs(velocityX) > FLING_MIN_VELOCITY) {
                            if (Math.abs(e1.getX() - e2.getX()) > Math.abs(e1.getY() - e2.getY())) {
                                return false;
                            }
                        }
                    }
                    // TODO 右滑动
                } else {
                    return false;
                }
                return false;
            }
        });
        point1 = (ImageView) findViewById(R.id.point1);
        point2 = (ImageView) findViewById(R.id.point2);
        //point3 = (ImageView) findViewById(R.id.point3);
        welcomepage = (ViewPager) findViewById(R.id.startPager);
        LayoutInflater inflater = getLayoutInflater();

        View view1 = inflater.inflate(R.layout.welcome_image, null);
        ImageView image1 = (ImageView) view1.findViewById(R.id.myImage);
       /* DisplayImageOptions options0 = new DisplayImageOptions.Builder()
                .cacheInMemory(true)
                .cacheOnDisk(true)
                .displayer(new CircleDisplayer())

                .showImageForEmptyUri(R.drawable.ice_test_person)
                .showImageOnFail(R.drawable.ice_test_person)
                .showImageOnLoading(R.drawable.ic_circle_progress_imageloading)
                .build();
        ImageLoader.getInstance().*/
        Bitmap bitmap= SetBigMap.readBitMap(MainActivity.this,R.drawable.welcome1);
        image1.setImageBitmap(bitmap);
        View view2 = inflater.inflate(R.layout.welcome_image, null);
        final ImageView image2 = (ImageView) view2.findViewById(R.id.myImage);
        image2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(MainActivity.this, LogoActivity.class));
                finish();
            }
        });
        ArrayList<View> viewlist = new ArrayList<View>();
        viewlist.add(view1);
        viewlist.add(view2);

        new Runnable(){
            @Override
            public void run() {
                Bitmap  bitmap2= SetBigMap.readBitMap(MainActivity.this,R.drawable.welcome2);
                image2.setImageBitmap(bitmap2);
            }
        }.run();

        StartViewpagerAdapter adapter = new StartViewpagerAdapter(viewlist);
        welcomepage.setAdapter(adapter);
        welcomepage.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

            @Override
            public void onPageSelected(int arg0) {
                // TODO Auto-generated method stub
                switch (arg0) {
                    case 0:
                        point1.setAlpha(1.0F);
                        point2.setAlpha(0.5F);
                        //point3.setAlpha(0.5F);
                        break;
                    case 1:
                        point2.setAlpha(1.0F);
                        point1.setAlpha(0.5F);
                        //point3.setAlpha(0.5F);

                        break;
                   /* case 2:
                        point3.setAlpha(1.0F);
                        point2.setAlpha(0.5F);
                        //point1.setAlpha(0.5F);


                        break;*/
                }
			/*	Message message = new Message();
				message.what =arg0;
				handler.sendMessageDelayed(message,2000);*/
            }

            @Override
            public void onPageScrolled(int arg0, float arg1, int arg2) {
                // TODO Auto-generated method stub
                pagerScroCHaged = arg0;//pagerScroCHagedarg0 :当前页面，及你点击滑动的页面
                //arg1:当前页面偏移的百分比
                //arg2:当前页面偏移的像素位置


                setPagerScroCHaged(arg1);

            }

            @Override
            public void onPageScrollStateChanged(int arg0) {
                // TODO Auto-generated method stub

            }
        });

    }

    private void otherStart() {
        // TODO Auto-generated method stub
        Intent intent = new Intent(       MainActivity.this, LogoActivity.class);
        startActivity(intent);
        finish();
    }
    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {//分发事件
        super.dispatchTouchEvent(ev);
        //productGestureDetector 是 GestureDetector对象
        return mGestureDetector.onTouchEvent(ev);
    }
}