MainActivity.java

package com.example.mr_wrong.androidstudioproject;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Button;

import com.com.mr_wrong.Actionbar.ActionbarActivity;
import com.com.mr_wrong.AsyncTask.AsyncTaskActivity;
import com.com.mr_wrong.Bezier.BezierActivity;
import com.com.mr_wrong.CustomView.PickerView;
import com.com.mr_wrong.ImageLoaderWithCaches.ImageLoaderActivity;
import com.com.mr_wrong.NumberProgressBar.NumberProgressBarActivity;
import com.com.mr_wrong.PopButton.PopButtonActivity;
import com.com.mr_wrong.RecyclerView.RecyclerViewActivity;
import com.com.mr_wrong.RecyclerViewItemAnimator.ItemAnimatorActivity;
import com.com.mr_wrong.Scroller.ScrollActivity;
import com.com.mr_wrong.SlideView.SlideActivity;
import com.com.mr_wrong.VolleyAndGson.VolleyActivity;

import java.util.ArrayList;
import java.util.List;


public class MainActivity extends Activity implements View.OnClickListener {

    private Button bt_BezierActivity;
    private Button bt_AsyncTaskActivity;
    private Button bt_ImageLoaderActivity;
    private Button bt_RecyclerViewActivity;
    private Button bt_ScrollActivity;
    private Button bt_ItemAnimatorActivity;
    private Button bt_VolleyActivity;
    private Button bt_NumberProgressBarActivity;
    private Button bt_DragViewHelperActivity;
    private Button bt_PopButtonActivity;
    private Button bt_SlideActivity;
    private Button bt_ActionbarActivity;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        bt_BezierActivity = (Button) findViewById(R.id.BezierActivity);
        bt_AsyncTaskActivity = (Button) findViewById(R.id.AsyncTaskActivity);
        bt_ImageLoaderActivity = (Button) findViewById(R.id.ImageLoaderActivity);
        bt_RecyclerViewActivity = (Button) findViewById(R.id.RecyclerViewActivity);
        bt_ScrollActivity = (Button) findViewById(R.id.ScrollActivity);
        bt_ItemAnimatorActivity = (Button) findViewById(R.id.ItemAnimatorActivity);
        bt_VolleyActivity = (Button) findViewById(R.id.VolleyActivity);
        bt_NumberProgressBarActivity = (Button) findViewById(R.id.NumberProgressBarActivity);
        bt_DragViewHelperActivity = (Button) findViewById(R.id.DragViewHelperActivity);
        bt_PopButtonActivity = (Button) findViewById(R.id.PopButtonActivity);
        bt_SlideActivity = (Button) findViewById(R.id.SlideActivity);
        bt_ActionbarActivity = (Button) findViewById(R.id.ActionbarActivity);

        bt_AsyncTaskActivity.setOnClickListener(this);
        bt_BezierActivity.setOnClickListener(this);
        bt_ImageLoaderActivity.setOnClickListener(this);
        bt_RecyclerViewActivity.setOnClickListener(this);
        bt_ScrollActivity.setOnClickListener(this);
        bt_ItemAnimatorActivity.setOnClickListener(this);
        bt_VolleyActivity.setOnClickListener(this);
        bt_NumberProgressBarActivity.setOnClickListener(this);
        bt_DragViewHelperActivity.setOnClickListener(this);
        bt_PopButtonActivity.setOnClickListener(this);
        bt_SlideActivity.setOnClickListener(this);
        bt_ActionbarActivity.setOnClickListener(this);



        List<String> data = new ArrayList<String>();
        for (int i = 0; i < 10; i++)
        {
            data.add("0" + i);
        }
        PickerView pv = (PickerView) findViewById(R.id.pv);
        pv.setData(data);
    }

    @Override
    public void onClick(View v) {
        Intent intent = null;
        switch (v.getId()) {
            case R.id.BezierActivity:
                intent = new Intent(this, BezierActivity.class);
                startActivity(intent);
                break;
            case R.id.AsyncTaskActivity:
                intent = new Intent(this, AsyncTaskActivity.class);
                startActivity(intent);
                break;
            case R.id.ImageLoaderActivity:
                intent = new Intent(this, ImageLoaderActivity.class);
                startActivity(intent);
                break;
            case R.id.RecyclerViewActivity:
                intent = new Intent(this, RecyclerViewActivity.class);
                startActivity(intent);
                break;
            case R.id.ScrollActivity:
                intent = new Intent(this, ScrollActivity.class);
                startActivity(intent);
                break;
            case R.id.ItemAnimatorActivity:
                intent = new Intent(this, ItemAnimatorActivity.class);
                startActivity(intent);
                break;
            case R.id.VolleyActivity:
                intent = new Intent(this, VolleyActivity.class);
                startActivity(intent);
                break;
            case R.id.NumberProgressBarActivity:
                intent = new Intent(this, NumberProgressBarActivity.class);
                startActivity(intent);
                break;
            case R.id.DragViewHelperActivity:
                intent = new Intent(this, com.com.mr_wrong.ViewDraghelper.MainActivity.class);
                startActivity(intent);
                break;
            case R.id.PopButtonActivity:
                intent = new Intent(this, PopButtonActivity.class);
                startActivity(intent);
                break;
            case R.id.SlideActivity:
                intent = new Intent(this, SlideActivity.class);
                startActivity(intent);
                break;
            case R.id.ActionbarActivity:
                intent = new Intent(this, ActionbarActivity.class);
                startActivity(intent);
                break;

        }
    }

    float DownX, DownY, CurrentX, CurrentY;

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN:
                DownX = event.getX();//float DownX
                DownY = event.getY();//float DownY
                break;
            case MotionEvent.ACTION_MOVE:
                float moveX = event.getX() - DownX;//X轴距离
                float moveY = event.getY() - DownY;//y轴距离
                bt_ScrollActivity.setTranslationX(moveX + CurrentX);
                bt_ScrollActivity.setTranslationY(moveY + CurrentY);
                break;
            case MotionEvent.ACTION_UP:
                CurrentX = bt_ScrollActivity.getTranslationX();
                CurrentY = bt_ScrollActivity.getTranslationY();
                break;
        }
        return super.onTouchEvent(event);
    }

}