2020-08-03 09:11:54 +08:00
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package imageselector;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.ObjectAnimator;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.graphics.Color;
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import android.graphics.drawable.BitmapDrawable;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.annotation.Nullable;
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import android.support.v4.view.ViewPager;
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import android.support.v7.app.AppCompatActivity;
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import android.view.View;
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import android.view.Window;
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import android.view.WindowManager;
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import android.widget.FrameLayout;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import com.sl.house_property.R;
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import java.util.ArrayList;
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import imageselector.adapter.ImagePagerAdapter;
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import imageselector.entry.Image;
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import imageselector.utils.ImageSelector;
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import imageselector.view.MyViewPager;
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import static android.animation.ObjectAnimator.ofFloat;
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public class PreviewActivity extends AppCompatActivity {
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private MyViewPager vpImage;
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private TextView tvIndicator;
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private TextView tvConfirm;
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private FrameLayout btnConfirm;
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private TextView tvSelect;
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private RelativeLayout rlTopBar;
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private RelativeLayout rlBottomBar;
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//tempImages和tempSelectImages用于图片列表数据的页面传输。
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//之所以不要Intent传输这两个图片列表，因为要保证两位页面操作的是同一个列表数据，同时可以避免数据量大时，
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// 用Intent传输发生的错误问题。
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private static ArrayList<Image> tempImages;
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private static ArrayList<Image> tempSelectImages;
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private ArrayList<Image> mImages;
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private ArrayList<Image> mSelectImages;
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private boolean isShowBar = true;
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private boolean isConfirm = false;
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private boolean isSingle;
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private int mMaxCount;
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private BitmapDrawable mSelectDrawable;
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private BitmapDrawable mUnSelectDrawable;
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public static void openActivity(Activity activity, ArrayList<Image> images,
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ArrayList<Image> selectImages, boolean isSingle,
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int maxSelectCount, int position) {
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tempImages = images;
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tempSelectImages = selectImages;
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Intent intent = new Intent(activity, PreviewActivity.class);
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intent.putExtra(ImageSelector.MAX_SELECT_COUNT, maxSelectCount);
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intent.putExtra(ImageSelector.IS_SINGLE, isSingle);
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intent.putExtra(ImageSelector.POSITION, position);
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activity.startActivityForResult(intent, ImageSelector.RESULT_CODE);
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}
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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2020-08-11 14:48:10 +08:00
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setContentView(R.layout.activity_preview2);
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2020-08-03 09:11:54 +08:00
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setStatusBarVisible(true);
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mImages = tempImages;
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tempImages = null;
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mSelectImages = tempSelectImages;
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tempSelectImages = null;
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Intent intent = getIntent();
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mMaxCount = intent.getIntExtra(ImageSelector.MAX_SELECT_COUNT, 0);
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isSingle = intent.getBooleanExtra(ImageSelector.IS_SINGLE, false);
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Resources resources = getResources();
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Bitmap selectBitmap = BitmapFactory.decodeResource(resources, R.drawable.icon_image_select);
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mSelectDrawable = new BitmapDrawable(resources, selectBitmap);
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mSelectDrawable.setBounds(0, 0, selectBitmap.getWidth(), selectBitmap.getHeight());
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Bitmap unSelectBitmap = BitmapFactory.decodeResource(resources, R.drawable.icon_image_un_select);
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mUnSelectDrawable = new BitmapDrawable(resources, unSelectBitmap);
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mUnSelectDrawable.setBounds(0, 0, unSelectBitmap.getWidth(), unSelectBitmap.getHeight());
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setStatusBarColor();
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initView();
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initListener();
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initViewPager();
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tvIndicator.setText(1 + "/" + mImages.size());
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changeSelect(mImages.get(0));
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vpImage.setCurrentItem(intent.getIntExtra(ImageSelector.POSITION, 0));
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}
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private void initView() {
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vpImage = (MyViewPager) findViewById(R.id.vp_image);
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tvIndicator = (TextView) findViewById(R.id.tv_indicator);
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tvConfirm = (TextView) findViewById(R.id.tv_confirm);
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btnConfirm = (FrameLayout) findViewById(R.id.btn_confirm);
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tvSelect = (TextView) findViewById(R.id.tv_select);
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rlTopBar = (RelativeLayout) findViewById(R.id.rl_top_bar);
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rlBottomBar = (RelativeLayout) findViewById(R.id.rl_bottom_bar);
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RelativeLayout.LayoutParams lp = (RelativeLayout.LayoutParams) rlTopBar.getLayoutParams();
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lp.topMargin = getStatusBarHeight(this);
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rlTopBar.setLayoutParams(lp);
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}
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private void initListener() {
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findViewById(R.id.btn_back).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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finish();
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}
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});
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btnConfirm.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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isConfirm = true;
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finish();
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}
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});
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tvSelect.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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clickSelect();
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}
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});
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}
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/**
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* 初始化ViewPager
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*/
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private void initViewPager() {
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ImagePagerAdapter adapter = new ImagePagerAdapter(this, mImages);
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vpImage.setAdapter(adapter);
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adapter.setOnItemClickListener(new ImagePagerAdapter.OnItemClickListener() {
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@Override
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public void onItemClick(int position, Image image) {
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if (isShowBar) {
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hideBar();
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} else {
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showBar();
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}
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}
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});
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vpImage.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
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@Override
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public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
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}
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@Override
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public void onPageSelected(int position) {
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tvIndicator.setText(position + 1 + "/" + mImages.size());
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changeSelect(mImages.get(position));
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}
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@Override
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public void onPageScrollStateChanged(int state) {
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}
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});
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}
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/**
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* 修改状态栏颜色
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*/
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private void setStatusBarColor() {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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Window window = getWindow();
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window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
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window.setStatusBarColor(Color.parseColor("#373c3d"));
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}
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}
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/**
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* 获取状态栏高度
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*
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* @param context
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* @return
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*/
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public static int getStatusBarHeight(Context context) {
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int result = 0;
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int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
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if (resourceId > 0) {
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result = context.getResources().getDimensionPixelSize(resourceId);
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}
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return result;
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}
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/**
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* 显示和隐藏状态栏
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*
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* @param show
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*/
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private void setStatusBarVisible(boolean show) {
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if (show) {
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getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
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} else {
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getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
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| View.SYSTEM_UI_FLAG_FULLSCREEN);
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}
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}
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/**
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* 显示头部和尾部栏
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*/
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private void showBar() {
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isShowBar = true;
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setStatusBarVisible(true);
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//添加延时，保证StatusBar完全显示后再进行动画。
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rlTopBar.postDelayed(new Runnable() {
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@Override
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public void run() {
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if (rlTopBar != null) {
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ObjectAnimator animator = ofFloat(rlTopBar, "translationY",
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rlTopBar.getTranslationY(), 0).setDuration(300);
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animator.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationStart(Animator animation) {
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super.onAnimationStart(animation);
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if (rlTopBar != null) {
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rlTopBar.setVisibility(View.VISIBLE);
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}
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}
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});
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animator.start();
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ofFloat(rlBottomBar, "translationY", rlBottomBar.getTranslationY(), 0)
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.setDuration(300).start();
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}
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}
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}, 100);
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}
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/**
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* 隐藏头部和尾部栏
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*/
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private void hideBar() {
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isShowBar = false;
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ObjectAnimator animator = ObjectAnimator.ofFloat(rlTopBar, "translationY",
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0, -rlTopBar.getHeight()).setDuration(300);
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animator.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationEnd(Animator animation) {
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super.onAnimationEnd(animation);
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if (rlTopBar != null) {
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rlTopBar.setVisibility(View.GONE);
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//添加延时，保证rlTopBar完全隐藏后再隐藏StatusBar。
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rlTopBar.postDelayed(new Runnable() {
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@Override
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public void run() {
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setStatusBarVisible(false);
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}
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}, 5);
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}
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}
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});
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animator.start();
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ofFloat(rlBottomBar, "translationY", 0, rlBottomBar.getHeight())
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.setDuration(300).start();
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}
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private void clickSelect() {
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int position = vpImage.getCurrentItem();
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if (mImages != null && mImages.size() > position) {
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Image image = mImages.get(position);
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if (mSelectImages.contains(image)) {
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mSelectImages.remove(image);
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} else if (isSingle) {
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mSelectImages.clear();
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mSelectImages.add(image);
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} else if (mMaxCount <= 0 || mSelectImages.size() < mMaxCount) {
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mSelectImages.add(image);
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}
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changeSelect(image);
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}
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}
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private void changeSelect(Image image) {
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tvSelect.setCompoundDrawables(mSelectImages.contains(image) ?
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mSelectDrawable : mUnSelectDrawable, null, null, null);
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setSelectImageCount(mSelectImages.size());
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}
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private void setSelectImageCount(int count) {
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|
if (count == 0) {
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|
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btnConfirm.setEnabled(false);
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|
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tvConfirm.setText("确定");
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} else {
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|
|
btnConfirm.setEnabled(true);
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|
|
if (isSingle) {
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|
|
tvConfirm.setText("确定");
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|
|
} else if (mMaxCount > 0) {
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|
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tvConfirm.setText("确定(" + count + "/" + mMaxCount + ")");
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} else {
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|
|
tvConfirm.setText("确定(" + count + ")");
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}
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}
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}
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@Override
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|
|
|
|
public void finish() {
|
|
|
|
|
|
//Activity关闭时，通过Intent把用户的操作(确定/返回)传给ImageSelectActivity。
|
|
|
|
|
|
Intent intent = new Intent();
|
|
|
|
|
|
intent.putExtra(ImageSelector.IS_CONFIRM, isConfirm);
|
|
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|
|
setResult(ImageSelector.RESULT_CODE, intent);
|
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|
|
super.finish();
|
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|
|
}
|
|
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|
|
@Override
|
|
|
|
|
|
public void onConfigurationChanged(Configuration newConfig) {
|
|
|
|
|
|
//非默认值
|
|
|
|
|
|
if (newConfig.fontScale != 1){
|
|
|
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|
|
getResources();
|
|
|
|
|
|
}
|
|
|
|
|
|
super.onConfigurationChanged(newConfig);
|
|
|
|
|
|
}
|
|
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|
|
|
|
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|
|
|
|
@Override
|
|
|
|
|
|
public Resources getResources() {//还原字体大小
|
|
|
|
|
|
Resources res = super.getResources();
|
|
|
|
|
|
//非默认值
|
|
|
|
|
|
if (res.getConfiguration().fontScale != 1) {
|
|
|
|
|
|
Configuration newConfig = new Configuration();
|
|
|
|
|
|
newConfig.setToDefaults();//设置默认
|
|
|
|
|
|
res.updateConfiguration(newConfig, res.getDisplayMetrics());
|
|
|
|
|
|
}
|
|
|
|
|
|
return res;
|
|
|
|
|
|
}
|
|
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|
|
|
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|
|
|
|
|
}
|
