Java tutorial
/* * Copyright 2013 - learnNcode (learnncode@gmail.com) * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.dazone.crewchat.libGallery.activity; import android.annotation.SuppressLint; import android.app.Activity; import android.app.AlertDialog; import android.content.Intent; import android.graphics.Color; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.provider.MediaStore; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTabHost; import android.support.v4.app.FragmentTransaction; import android.support.v4.content.ContextCompat; import android.view.Gravity; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.widget.ImageView; import android.widget.ImageView.ScaleType; import android.widget.LinearLayout; import android.widget.RelativeLayout; import android.widget.TabHost.OnTabChangeListener; import android.widget.TextView; import android.widget.Toast; import com.dazone.crewchat.libGallery.MediaChooser; import com.dazone.crewchat.libGallery.MediaChooserConstants; import com.dazone.crewchat.libGallery.fragment.BucketImageFragment; import com.dazone.crewchat.libGallery.fragment.BucketVideoFragment; import com.dazone.crewchat.R; import java.io.File; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; public class BucketHomeFragmentActivity extends FragmentActivity { private FragmentTabHost mTabHost; private TextView headerBarTitle; private ImageView headerBarCamera; private ImageView headerBarBack; private TextView headerBarDone; public static BucketHomeFragmentActivity Instance = null; private static Uri fileUri; private ArrayList<String> mSelectedVideo = new ArrayList<>(); private ArrayList<String> mSelectedImage = new ArrayList<>(); private final Handler handler = new Handler(); @SuppressLint("ResourceAsColor") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Instance = this; requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_home_media_chooser); headerBarTitle = (TextView) findViewById(R.id.titleTextViewFromMediaChooserHeaderBar); headerBarCamera = (ImageView) findViewById(R.id.cameraImageViewFromMediaChooserHeaderBar); headerBarBack = (ImageView) findViewById(R.id.backArrowImageViewFromMediaChooserHeaderView); headerBarDone = (TextView) findViewById(R.id.doneTextViewViewFromMediaChooserHeaderView); mTabHost = (FragmentTabHost) findViewById(android.R.id.tabhost); headerBarTitle.setText(getResources().getString(R.string.app_name)); headerBarCamera.setBackgroundResource(R.drawable.ic_camera_unselect_from_media_chooser_header_bar); headerBarCamera.setTag(getResources().getString(R.string.image)); headerBarBack.setOnClickListener(clickListener); headerBarCamera.setOnClickListener(clickListener); headerBarDone.setOnClickListener(clickListener); if (!MediaChooserConstants.showCameraVideo) { headerBarCamera.setVisibility(View.GONE); } mTabHost.setup(this, getSupportFragmentManager(), R.id.realTabcontent); if (MediaChooserConstants.showVideo) { mTabHost.addTab( mTabHost.newTabSpec("tab2") .setIndicator(getResources().getString(R.string.videos_tab) + " "), BucketVideoFragment.class, null); } if (MediaChooserConstants.showImage) { mTabHost.addTab( mTabHost.newTabSpec("tab1") .setIndicator(getResources().getString(R.string.images_tab) + " "), BucketImageFragment.class, null); } mTabHost.getTabWidget().setBackgroundColor(getResources().getColor(R.color.tabs_color)); mTabHost.getTabWidget().getChildAt(0).setVisibility(View.GONE); for (int i = 0; i < mTabHost.getTabWidget().getChildCount(); i++) { View childView = mTabHost.getTabWidget().getChildAt(i); TextView textView = (TextView) childView.findViewById(android.R.id.title); if (textView.getLayoutParams() instanceof RelativeLayout.LayoutParams) { RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) textView.getLayoutParams(); params.addRule(RelativeLayout.CENTER_HORIZONTAL); params.addRule(RelativeLayout.CENTER_VERTICAL); params.height = RelativeLayout.LayoutParams.MATCH_PARENT; params.width = RelativeLayout.LayoutParams.WRAP_CONTENT; textView.setLayoutParams(params); } else if (textView.getLayoutParams() instanceof LinearLayout.LayoutParams) { LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) textView.getLayoutParams(); params.gravity = Gravity.CENTER; textView.setLayoutParams(params); } textView.setTextColor(ContextCompat.getColor(this, R.color.tabs_title_color)); textView.setTextSize(convertDipToPixels(10)); } /* ((TextView)(mTabHost.getTabWidget().getChildAt(1).findViewById(android.R.id.title))).setTextColor(getResources().getColor(R.color.headerbar_selected_tab_color)); ((TextView)(mTabHost.getTabWidget().getChildAt(0).findViewById(android.R.id.title))).setTextColor(Color.WHITE);*/ mTabHost.setOnTabChangedListener(new OnTabChangeListener() { @Override public void onTabChanged(String tabId) { FragmentManager fragmentManager = getSupportFragmentManager(); BucketImageFragment imageFragment = (BucketImageFragment) fragmentManager.findFragmentByTag("tab1"); BucketVideoFragment videoFragment = (BucketVideoFragment) fragmentManager.findFragmentByTag("tab2"); FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction(); if (tabId.equalsIgnoreCase("tab1")) { headerBarTitle.setText(getResources().getString(R.string.image)); headerBarCamera.setBackgroundResource(R.drawable.selector_camera_button); headerBarCamera.setTag(getResources().getString(R.string.image)); if (imageFragment == null) { BucketImageFragment newImageFragment = new BucketImageFragment(); fragmentTransaction.add(R.id.realTabcontent, newImageFragment, "tab1"); } else { if (videoFragment != null) { fragmentTransaction.hide(videoFragment); } fragmentTransaction.show(imageFragment); } ((TextView) (mTabHost.getTabWidget().getChildAt(0).findViewById(android.R.id.title))) .setTextColor(getResources().getColor(R.color.headerbar_selected_tab_color)); ((TextView) (mTabHost.getTabWidget().getChildAt(1).findViewById(android.R.id.title))) .setTextColor(Color.WHITE); } else { headerBarTitle.setText(getResources().getString(R.string.video)); headerBarCamera.setBackgroundResource(R.drawable.selector_video_button); headerBarCamera.setTag(getResources().getString(R.string.video)); if (videoFragment == null) { final BucketVideoFragment newVideoFragment = new BucketVideoFragment(); fragmentTransaction.add(R.id.realTabcontent, newVideoFragment, "tab2"); } else { if (imageFragment != null) { fragmentTransaction.hide(imageFragment); } fragmentTransaction.show(videoFragment); } ((TextView) (mTabHost.getTabWidget().getChildAt(0).findViewById(android.R.id.title))) .setTextColor(Color.WHITE); ((TextView) (mTabHost.getTabWidget().getChildAt(1).findViewById(android.R.id.title))) .setTextColor(getResources().getColor(R.color.headerbar_selected_tab_color)); } fragmentTransaction.commit(); } }); RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) headerBarCamera.getLayoutParams(); params.height = convertDipToPixels(40); params.width = convertDipToPixels(40); headerBarCamera.setLayoutParams(params); headerBarCamera.setScaleType(ScaleType.CENTER_INSIDE); headerBarCamera.setPadding(convertDipToPixels(15), convertDipToPixels(15), convertDipToPixels(15), convertDipToPixels(15)); } OnClickListener clickListener = new OnClickListener() { @Override public void onClick(View view) { if (view == headerBarCamera) { if (view.getTag().toString().equals(getResources().getString(R.string.video))) { Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE); fileUri = getOutputMediaFileUri(MediaChooserConstants.MEDIA_TYPE_VIDEO); // create a file to save the image intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); // set the image file name // start the image capture Intent startActivityForResult(intent, MediaChooserConstants.CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE); } else { Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); fileUri = getOutputMediaFileUri(MediaChooserConstants.MEDIA_TYPE_IMAGE); // create a file to save the image intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); // set the image file name // start the image capture Intent startActivityForResult(intent, MediaChooserConstants.CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE); } } else if (view == headerBarDone) { if (mSelectedImage.size() == 0 && mSelectedVideo.size() == 0) { Toast.makeText(BucketHomeFragmentActivity.this, getString(R.string.please_select_file), Toast.LENGTH_SHORT).show(); } else { if (mSelectedVideo.size() > 0) { Intent videoIntent = new Intent(); videoIntent.setAction(MediaChooser.VIDEO_SELECTED_ACTION_FROM_MEDIA_CHOOSER); videoIntent.putStringArrayListExtra("list", mSelectedVideo); sendBroadcast(videoIntent); } if (mSelectedImage.size() > 0) { Intent imageIntent = new Intent(); imageIntent.setAction(MediaChooser.IMAGE_SELECTED_ACTION_FROM_MEDIA_CHOOSER); imageIntent.putStringArrayListExtra("list", mSelectedImage); sendBroadcast(imageIntent); } finish(); } } else if (view == headerBarBack) { finish(); } } }; /** * Create a file Uri for saving an image or video */ private Uri getOutputMediaFileUri(int type) { return Uri.fromFile(getOutputMediaFile(type)); } /** * Create a File for saving an image or video */ private static File getOutputMediaFile(int type) { File mediaStorageDir = new File( Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), MediaChooserConstants.folderName); if (!mediaStorageDir.exists()) { if (!mediaStorageDir.mkdirs()) { return null; } } // Create a media file name String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()); File mediaFile; if (type == MediaChooserConstants.MEDIA_TYPE_IMAGE) { mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg"); } else if (type == MediaChooserConstants.MEDIA_TYPE_VIDEO) { mediaFile = new File(mediaStorageDir.getPath() + File.separator + "VID_" + timeStamp + ".mp4"); } else { return null; } return mediaFile; } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == Activity.RESULT_OK) { if (requestCode == MediaChooserConstants.BUCKET_SELECT_IMAGE_CODE) { addMedia(mSelectedImage, data.getStringArrayListExtra("list")); } else if (requestCode == MediaChooserConstants.BUCKET_SELECT_VIDEO_CODE) { addMedia(mSelectedVideo, data.getStringArrayListExtra("list")); } else if (requestCode == MediaChooserConstants.CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) { sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, fileUri)); final AlertDialog alertDialog = MediaChooserConstants.getDialog(BucketHomeFragmentActivity.this) .create(); alertDialog.show(); handler.postDelayed(new Runnable() { @Override public void run() { //Do something after 2000ms String fileUriString = fileUri.toString().replaceFirst("file:///", "/").trim(); android.support.v4.app.FragmentManager fragmentManager = getSupportFragmentManager(); BucketImageFragment bucketImageFragment = (BucketImageFragment) fragmentManager .findFragmentByTag("tab1"); if (bucketImageFragment != null) { bucketImageFragment.getAdapter().addLatestEntry(fileUriString); bucketImageFragment.getAdapter().notifyDataSetChanged(); } alertDialog.dismiss(); } }, 5000); } else if (requestCode == MediaChooserConstants.CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE) { sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, fileUri)); final AlertDialog alertDialog = MediaChooserConstants.getDialog(BucketHomeFragmentActivity.this) .create(); alertDialog.show(); handler.postDelayed(new Runnable() { @Override public void run() { //Do something after 2000ms String fileUriString = fileUri.toString().replaceFirst("file:///", "/").trim(); android.support.v4.app.FragmentManager fragmentManager = getSupportFragmentManager(); BucketVideoFragment bucketVideoFragment = (BucketVideoFragment) fragmentManager .findFragmentByTag("tab2"); if (bucketVideoFragment != null) { bucketVideoFragment.getAdapter().addLatestEntry(fileUriString); bucketVideoFragment.getAdapter().notifyDataSetChanged(); } alertDialog.dismiss(); } }, 5000); } } } private void addMedia(ArrayList<String> list, ArrayList<String> input) { for (String string : input) { list.add(string); } } public int convertDipToPixels(float dips) { return (int) (dips * BucketHomeFragmentActivity.this.getResources().getDisplayMetrics().density + 0.5f); } }