com.cleanwiz.applock.ui.activity.StepActivity.java Source code

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Here is the source code for com.cleanwiz.applock.ui.activity.StepActivity.java

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/*******************************************************************************
 * Copyright (c) 2015 btows.com.
 * <p>
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * <p>
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package com.cleanwiz.applock.ui.activity;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ImageView.ScaleType;

import com.cleanwiz.applock.R;
import com.cleanwiz.applock.ui.BaseActivity;
import com.cleanwiz.applock.utils.LangUtils;
import com.cleanwiz.applock.utils.ScreenUtil;
import com.cleanwiz.applock.utils.SharedPreferenceUtil;

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

public class StepActivity extends BaseActivity {

    private StepActivity mContext;

    private ViewPager viewPager;
    private PagerAdapter pAdapter;
    private LayoutInflater inflater;

    boolean isCn;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_step);
        setStatusBarMargin(findViewById(R.id.layout_setting));
        mContext = this;
        isCn = LangUtils.isChinese();
        inflater = LayoutInflater.from(this);
        viewPager = (ViewPager) findViewById(R.id.vp_step);
        pAdapter = new MyViewPagerAdapter();
        viewPager.setAdapter(pAdapter);
        initPoints(pAdapter.getCount());
        viewPager.setOnPageChangeListener(new PageListener());

    }

    @Override
    public void onClickEvent(View view) {
        switch (view.getId()) {
        case R.id.btn_step:
            goToPassword();
            break;
        case R.id.btn_skip:
            goToPassword();
            break;
        default:
            break;
        }
        super.onClickEvent(view);
    }

    private void goToPassword() {
        SharedPreferenceUtil.editIsFirst(false);
        if (SharedPreferenceUtil.readIsNumModel()) {
            startActivity(new Intent(this, NumberCheckActivity.class));
            finish();
        } else {
            startActivity(new Intent(this, GestureCheckActivity.class));
            finish();
        }

    }

    private LinearLayout layout_points;
    private List<ImageView> points;

    private void initPoints(int pagers) {

        layout_points = (LinearLayout) findViewById(R.id.layout_point);
        layout_points.removeAllViews();
        points = new ArrayList<ImageView>();
        int width = ScreenUtil.dip2px(mContext, 24);
        int height = ScreenUtil.dip2px(mContext, 16);
        for (int i = 0; i < pagers; i++) {
            ImageView iv = new ImageView(mContext);
            iv.setScaleType(ScaleType.CENTER_INSIDE);
            LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(width, height);
            if (i == 0) {
                iv.setImageResource(R.drawable.pager_point_white);
            } else {
                iv.setImageResource(R.drawable.pager_point_green);
            }
            layout_points.addView(iv, lp);
            points.add(iv);
        }

    }

    class PageListener implements ViewPager.OnPageChangeListener {

        @Override
        public void onPageScrollStateChanged(int arg0) {
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
        }

        @Override
        public void onPageSelected(int arg0) {
            for (ImageView iv : points) {
                iv.setImageResource(R.drawable.pager_point_green);
            }
            try {
                points.get(arg0).setImageResource(R.drawable.pager_point_white);
            } catch (Exception e) {
            }

        }

    }

    public class MyViewPagerAdapter extends PagerAdapter {

        private List<View> mListViews;

        public MyViewPagerAdapter() {
            mListViews = new ArrayList<View>();
            View step0 = inflater.inflate(R.layout.item_step1, null);
            ImageView iv0 = (ImageView) step0.findViewById(R.id.iv_step);
            iv0.setImageResource(isCn ? R.drawable.nav01 : R.drawable.nav01_e);
            View step1 = inflater.inflate(R.layout.item_step1, null);
            ImageView iv1 = (ImageView) step1.findViewById(R.id.iv_step);
            iv1.setImageResource(isCn ? R.drawable.nav02 : R.drawable.nav02_e);
            View step2 = inflater.inflate(R.layout.item_step1, null);
            ImageView iv2 = (ImageView) step2.findViewById(R.id.iv_step);
            iv2.setImageResource(isCn ? R.drawable.nav03 : R.drawable.nav03_e);

            step2.findViewById(R.id.btn_step).setVisibility(View.VISIBLE);
            mListViews.add(step0);
            mListViews.add(step1);
            mListViews.add(step2);
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView(mListViews.get(position));// ?
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) { // ??
            container.addView(mListViews.get(position), 0);// ?
            return mListViews.get(position);
        }

        @Override
        public int getCount() {
            return mListViews.size();// ??
        }

        @Override
        public boolean isViewFromObject(View arg0, Object arg1) {
            return arg0 == arg1;// ??
        }
    }

}