package me.nereo.multi_image_selector;
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import android.content.Intent;
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import android.graphics.Color;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.v4.app.Fragment;
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import android.support.v4.content.FileProvider;
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import android.support.v7.app.ActionBar;
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import android.support.v7.app.AppCompatActivity;
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import android.support.v7.widget.Toolbar;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.Button;
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import java.io.File;
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import java.util.ArrayList;
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/**
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* Multi image selector
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* Created by Nereo on 2015/4/7.
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* Updated by nereo on 2016/1/19.
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* Updated by nereo on 2016/5/18.
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*/
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public class MultiImageSelectorActivity extends AppCompatActivity
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implements MultiImageSelectorFragment.Callback{
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// Single choice
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public static final int MODE_SINGLE = 0;
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// Multi choice
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public static final int MODE_MULTI = 1;
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/** Max image size，int，{@link #DEFAULT_IMAGE_SIZE} by default */
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public static final String EXTRA_SELECT_COUNT = "max_select_count";
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/** Select mode，{@link #MODE_MULTI} by default */
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public static final String EXTRA_SELECT_MODE = "select_count_mode";
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/** Whether show camera，true by default */
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public static final String EXTRA_SHOW_CAMERA = "show_camera";
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/** Result data set，ArrayList<String>*/
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public static final String EXTRA_RESULT = "select_result";
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/** Original data set */
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public static final String EXTRA_DEFAULT_SELECTED_LIST = "default_list";
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// Default image size
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private static final int DEFAULT_IMAGE_SIZE = 9;
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private ArrayList<String> resultList = new ArrayList<>();
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private Button mSubmitButton;
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private int mDefaultCount = DEFAULT_IMAGE_SIZE;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setTheme(R.style.MIS_NO_ACTIONBAR);
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setContentView(R.layout.mis_activity_default);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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getWindow().setStatusBarColor(Color.BLACK);
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}
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Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
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if(toolbar != null){
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setSupportActionBar(toolbar);
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}
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final ActionBar actionBar = getSupportActionBar();
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if (actionBar != null) {
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actionBar.setDisplayHomeAsUpEnabled(true);
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}
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final Intent intent = getIntent();
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mDefaultCount = intent.getIntExtra(EXTRA_SELECT_COUNT, DEFAULT_IMAGE_SIZE);
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final int mode = intent.getIntExtra(EXTRA_SELECT_MODE, MODE_MULTI);
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final boolean isShow = intent.getBooleanExtra(EXTRA_SHOW_CAMERA, true);
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if(mode == MODE_MULTI && intent.hasExtra(EXTRA_DEFAULT_SELECTED_LIST)) {
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resultList = intent.getStringArrayListExtra(EXTRA_DEFAULT_SELECTED_LIST);
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}
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mSubmitButton = (Button) findViewById(R.id.commit);
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if(mode == MODE_MULTI){
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updateDoneText(resultList);
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mSubmitButton.setVisibility(View.VISIBLE);
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mSubmitButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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if(resultList != null && resultList.size() >0){
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// Notify success
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Intent data = new Intent();
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data.putStringArrayListExtra(EXTRA_RESULT, resultList);
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setResult(RESULT_OK, data);
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}else{
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setResult(RESULT_CANCELED);
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}
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finish();
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}
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});
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}else{
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mSubmitButton.setVisibility(View.GONE);
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}
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if(savedInstanceState == null){
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Bundle bundle = new Bundle();
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bundle.putInt(MultiImageSelectorFragment.EXTRA_SELECT_COUNT, mDefaultCount);
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bundle.putInt(MultiImageSelectorFragment.EXTRA_SELECT_MODE, mode);
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bundle.putBoolean(MultiImageSelectorFragment.EXTRA_SHOW_CAMERA, isShow);
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bundle.putStringArrayList(MultiImageSelectorFragment.EXTRA_DEFAULT_SELECTED_LIST, resultList);
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getSupportFragmentManager().beginTransaction()
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.add(R.id.image_grid, Fragment.instantiate(this, MultiImageSelectorFragment.class.getName(), bundle))
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.commit();
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}
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case android.R.id.home:
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setResult(RESULT_CANCELED);
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finish();
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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/**
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* Update done button by select image data
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* @param resultList selected image data
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*/
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private void updateDoneText(ArrayList<String> resultList){
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int size = 0;
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if(resultList == null || resultList.size()<=0){
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mSubmitButton.setText(R.string.mis_action_done);
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mSubmitButton.setEnabled(false);
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}else{
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size = resultList.size();
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mSubmitButton.setEnabled(true);
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}
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mSubmitButton.setText(getString(R.string.mis_action_button_string,
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getString(R.string.mis_action_done), size, mDefaultCount));
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}
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@Override
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public void onSingleImageSelected(String path) {
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Intent data = new Intent();
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resultList.add(path);
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data.putStringArrayListExtra(EXTRA_RESULT, resultList);
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setResult(RESULT_OK, data);
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finish();
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}
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@Override
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public void onImageSelected(String path) {
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if(!resultList.contains(path)) {
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resultList.add(path);
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}
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updateDoneText(resultList);
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}
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@Override
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public void onImageUnselected(String path) {
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if(resultList.contains(path)){
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resultList.remove(path);
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}
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updateDoneText(resultList);
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}
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@Override
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public void onCameraShot(File imageFile) {
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if(imageFile != null) {
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// notify system the image has change
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Uri uri;
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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uri = FileProvider.getUriForFile(this, "cn.flightfeather.thirdapp.fileProvider", imageFile);
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} else {
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uri = Uri.fromFile(imageFile);
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}
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sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri));
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Intent data = new Intent();
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resultList.add(imageFile.getAbsolutePath());
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data.putStringArrayListExtra(EXTRA_RESULT, resultList);
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setResult(RESULT_OK, data);
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finish();
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}
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}
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}
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