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.AlertDialog; import android.content.Intent; import android.graphics.Color; import android.graphics.drawable.Drawable; 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.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.ImageFragment; import com.dazone.crewchat.libGallery.fragment.VideoFragment; import com.dazone.crewchat.R; import com.dazone.crewchat.utils.Utils; import java.io.File; import java.text.SimpleDateFormat; import java.util.Date; public class HomeFragmentActivity extends FragmentActivity implements ImageFragment.OnImageSelectedListener, VideoFragment.OnVideoSelectedListener, OnClickListener { private FragmentTabHost mTabHost; private TextView headerBarTitle; private ImageView headerBarCamera; private ImageView headerBarBack; private TextView headerBarDone; private static Uri fileUri; private final Handler handler = new Handler(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); 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); mTabHost.setup(this, getSupportFragmentManager(), R.id.realTabcontent); headerBarBack.setOnClickListener(this); headerBarCamera.setOnClickListener(this); headerBarDone.setOnClickListener(this); if (!MediaChooserConstants.showCameraVideo) { headerBarCamera.setVisibility(View.GONE); } if (getIntent() != null && (getIntent().getBooleanExtra("isFromBucket", false))) { if (getIntent().getBooleanExtra("image", false)) { headerBarTitle.setText(getResources().getString(R.string.image)); setHeaderBarCameraBackground(getResources().getDrawable(R.drawable.selector_camera_button)); headerBarCamera.setTag(getResources().getString(R.string.image)); Bundle bundle = new Bundle(); bundle.putString("name", getIntent().getStringExtra("name")); mTabHost.addTab( mTabHost.newTabSpec("tab1") .setIndicator(getResources().getString(R.string.images_tab) + " "), ImageFragment.class, bundle); } else { headerBarTitle.setText(getResources().getString(R.string.video)); setHeaderBarCameraBackground(getResources().getDrawable(R.drawable.selector_video_button)); headerBarCamera.setTag(getResources().getString(R.string.video)); Bundle bundle = new Bundle(); bundle.putString("name", getIntent().getStringExtra("name")); mTabHost.addTab( mTabHost.newTabSpec("tab2") .setIndicator(getResources().getString(R.string.videos_tab) + " "), VideoFragment.class, bundle); } } else { if (MediaChooserConstants.showVideo) { mTabHost.addTab( mTabHost.newTabSpec("tab2") .setIndicator(getResources().getString(R.string.videos_tab) + " "), VideoFragment.class, null); } if (MediaChooserConstants.showImage) { headerBarTitle.setText(getResources().getString(R.string.image)); setHeaderBarCameraBackground(getResources().getDrawable(R.drawable.selector_camera_button)); headerBarCamera.setTag(getResources().getString(R.string.image)); mTabHost.addTab( mTabHost.newTabSpec("tab1") .setIndicator(getResources().getString(R.string.images_tab) + " "), ImageFragment.class, null); } if (MediaChooserConstants.showVideo) { headerBarTitle.setText(getResources().getString(R.string.video)); setHeaderBarCameraBackground(getResources().getDrawable(R.drawable.selector_video_button)); headerBarCamera.setTag(getResources().getString(R.string.video)); } } mTabHost.getTabWidget().getChildAt(0).setVisibility(View.GONE); for (int i = 0; i < mTabHost.getTabWidget().getChildCount(); i++) { TextView textView = (TextView) mTabHost.getTabWidget().getChildAt(i).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(getResources().getColor(R.color.tabs_title_color)); textView.setTextSize(Utils.convertDipToPixels(this, 10)); } if ((mTabHost.getTabWidget().getChildAt(0) != null)) { ((TextView) (mTabHost.getTabWidget().getChildAt(0).findViewById(android.R.id.title))) .setTextColor(Color.WHITE); } if ((mTabHost.getTabWidget().getChildAt(1) != null)) { ((TextView) (mTabHost.getTabWidget().getChildAt(1).findViewById(android.R.id.title))) .setTextColor(getResources().getColor(R.color.headerbar_selected_tab_color)); } mTabHost.setOnTabChangedListener(new OnTabChangeListener() { @Override public void onTabChanged(String tabId) { android.support.v4.app.FragmentManager fragmentManager = getSupportFragmentManager(); ImageFragment imageFragment = (ImageFragment) fragmentManager.findFragmentByTag("tab1"); VideoFragment videoFragment = (VideoFragment) fragmentManager.findFragmentByTag("tab2"); android.support.v4.app.FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction(); if (tabId.equalsIgnoreCase("tab1")) { headerBarTitle.setText(getResources().getString(R.string.image)); setHeaderBarCameraBackground(getResources().getDrawable(R.drawable.selector_camera_button)); headerBarCamera.setTag(getResources().getString(R.string.image)); if (imageFragment != null) { 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)); setHeaderBarCameraBackground(getResources().getDrawable(R.drawable.selector_video_button)); headerBarCamera.setTag(getResources().getString(R.string.video)); if (videoFragment != null) { if (imageFragment != null) { fragmentTransaction.hide(imageFragment); } fragmentTransaction.show(videoFragment); if (videoFragment.getAdapter() != null) { videoFragment.getAdapter().notifyDataSetChanged(); } } ((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 = Utils.convertDipToPixels(this, 40); params.width = Utils.convertDipToPixels(this, 40); headerBarCamera.setLayoutParams(params); headerBarCamera.setScaleType(ScaleType.CENTER_INSIDE); headerBarCamera.setPadding(Utils.convertDipToPixels(this, 15), Utils.convertDipToPixels(this, 15), Utils.convertDipToPixels(this, 15), Utils.convertDipToPixels(this, 15)); } /** * 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) { if (requestCode == MediaChooserConstants.CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE) { if (resultCode == RESULT_OK) { sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, fileUri)); final AlertDialog alertDialog = MediaChooserConstants.getDialog(HomeFragmentActivity.this).create(); alertDialog.show(); handler.postDelayed(new Runnable() { @Override public void run() { //Do something after 5000ms String fileUriString = fileUri.toString().replaceFirst("file:///", "/").trim(); FragmentManager fragmentManager = getSupportFragmentManager(); VideoFragment videoFragment = (VideoFragment) fragmentManager.findFragmentByTag("tab2"); // if (videoFragment == null) { VideoFragment newVideoFragment = new VideoFragment(); newVideoFragment.addItem(fileUriString); } else { videoFragment.addItem(fileUriString); } alertDialog.cancel(); } }, 5000); } else if (resultCode == RESULT_CANCELED) { // User cancelled the video capture } else { // Video capture failed, advise user } } else if (requestCode == MediaChooserConstants.CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) { if (resultCode == RESULT_OK) { sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, fileUri)); final AlertDialog alertDialog = MediaChooserConstants.getDialog(HomeFragmentActivity.this).create(); alertDialog.show(); handler.postDelayed(new Runnable() { @Override public void run() { //Do something after 5000ms String fileUriString = fileUri.toString().replaceFirst("file:///", "/").trim(); FragmentManager fragmentManager = getSupportFragmentManager(); ImageFragment imageFragment = (ImageFragment) fragmentManager.findFragmentByTag("tab1"); if (imageFragment == null) { ImageFragment newImageFragment = new ImageFragment(); newImageFragment.addItem(fileUriString); } else { imageFragment.addItem(fileUriString); } alertDialog.cancel(); } }, 5000); } } } @Override public void onImageSelected(int count) { if (mTabHost.getTabWidget().getChildAt(1) != null) { if (count != 0) { ((TextView) mTabHost.getTabWidget().getChildAt(1).findViewById(android.R.id.title)) .setText(getResources().getString(R.string.images_tab) + " " + count); } else { ((TextView) mTabHost.getTabWidget().getChildAt(1).findViewById(android.R.id.title)) .setText(getResources().getString(R.string.image)); } } else { if (count != 0) { ((TextView) mTabHost.getTabWidget().getChildAt(0).findViewById(android.R.id.title)) .setText(getResources().getString(R.string.images_tab) + " " + count); } else { ((TextView) mTabHost.getTabWidget().getChildAt(0).findViewById(android.R.id.title)) .setText(getResources().getString(R.string.image)); } } } @Override public void onVideoSelected(int count) { if (count != 0) { ((TextView) mTabHost.getTabWidget().getChildAt(0).findViewById(android.R.id.title)) .setText(getResources().getString(R.string.videos_tab) + " " + count); } else { ((TextView) mTabHost.getTabWidget().getChildAt(0).findViewById(android.R.id.title)) .setText(getResources().getString(R.string.video)); } } @SuppressLint("NewApi") @SuppressWarnings("deprecation") private void setHeaderBarCameraBackground(Drawable drawable) { int sdk = android.os.Build.VERSION.SDK_INT; if (sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) { headerBarCamera.setBackgroundDrawable(drawable); } else { headerBarCamera.setBackground(drawable); } } @Override public void onClick(View v) { switch (v.getId()) { case R.id.cameraImageViewFromMediaChooserHeaderBar: if (v.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); } break; case R.id.doneTextViewViewFromMediaChooserHeaderView: FragmentManager fragmentManager = getSupportFragmentManager(); ImageFragment imageFragment = (ImageFragment) fragmentManager.findFragmentByTag("tab1"); VideoFragment videoFragment = (VideoFragment) fragmentManager.findFragmentByTag("tab2"); if (videoFragment != null || imageFragment != null) { if (videoFragment != null) { if (videoFragment.getSelectedVideoList() != null && videoFragment.getSelectedVideoList().size() > 0) { Intent videoIntent = new Intent(); videoIntent.setAction(MediaChooser.VIDEO_SELECTED_ACTION_FROM_MEDIA_CHOOSER); videoIntent.putStringArrayListExtra("list", videoFragment.getSelectedVideoList()); sendBroadcast(videoIntent); } else { Toast.makeText(HomeFragmentActivity.this, getString(R.string.please_select_file), Toast.LENGTH_SHORT).show(); return; } } if (imageFragment != null) { if (imageFragment.getSelectedImageList() != null && imageFragment.getSelectedImageList().size() > 0) { Intent imageIntent = new Intent(); imageIntent.setAction(MediaChooser.IMAGE_SELECTED_ACTION_FROM_MEDIA_CHOOSER); imageIntent.putStringArrayListExtra("list", imageFragment.getSelectedImageList()); sendBroadcast(imageIntent); } else { Toast.makeText(HomeFragmentActivity.this, getString(R.string.please_select_file), Toast.LENGTH_SHORT).show(); return; } } if (BucketHomeFragmentActivity.Instance != null) { BucketHomeFragmentActivity.Instance.finish(); } finish(); } else { Toast.makeText(HomeFragmentActivity.this, getString(R.string.please_select_file), Toast.LENGTH_SHORT).show(); } break; case R.id.backArrowImageViewFromMediaChooserHeaderView: finish(); break; default: break; } } }