android camer 图片回显界面照片分享到微博、人人、彩信、蓝牙的功能实现
当然，分享到人人需要安装人人客户端，其他也是一样。代码如下：
BackDisplay.java
/**
* Add by Liuzw for pic back display
*/
package com.android.camera.ui;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import com.android.camera.R;
import com.android.camera.Thumbnail;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class BackDisplay extends Activity implements View.OnClickListener, OnItemClickListener{
private static final String TAG = "lxy";
private boolean menuLayoutShowing;
private boolean rowsShowing;
private Button btnShare;
private Button btnEdit;
private Button btnDelete;
private ImageView mImageView;
private Thumbnail mThumbnail;
private LinearLayout functionButtons;
private ListView mShareList;
private String mMimeType;
private static final String ADAPTER_COLUMN_ICON = "icon";
private ArrayList<ComponentName> mComponent = new ArrayList<ComponentName>();
@Override
protected void onCreate(Bundle arg0) {
// TODO Auto-generated method stub
super.onCreate(arg0);
setContentView(R.layout.back_display);
initUI();
}
private void initUI(){
// Load the thumbnail from the disk.
mThumbnail = Thumbnail.loadFrom(new File(getFilesDir(), Thumbnail.LAST_THUMB_FILENAME));
mImageView = (ImageView) findViewById(R.id.photos_pic);
mImageView.setImageBitmap(mThumbnail.getBitmap());
//Drawable d = Drawable.createFromPath("/sdcard/DCIM/Camera/IMG_20000101_091249.jpg");
//mImageView.setImageBitmap(((BitmapDrawable)d).getBitmap());
mImageView.setOnClickListener(this);
functionButtons = (LinearLayout) findViewById(R.id.funtion_buttons);
mShareList = (ListView) findViewById(R.id.shared_items);
btnShare = (Button) findViewById(R.id.btn_share);
btnEdit = (Button) findViewById(R.id.btn_edit);
btnDelete = (Button) findViewById(R.id.btn_delete);
btnEdit.setOnClickListener(this);
btnShare.setOnClickListener(this);
btnDelete.setOnClickListener(this);
mMimeType = this.getContentResolver().getType(mThumbnail.getUri());
createShareMenu();
}
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
switch(arg0.getId()){
case R.id.photos_pic:
clickPhotosPic();
break;
case R.id.btn_share:
clickSharedButton();
break;
case R.id.btn_edit:
//Toast.makeText(BackDisplay.this, "Edit", Toast.LENGTH_SHORT).show();
break;
case R.id.btn_delete:
Toast.makeText(BackDisplay.this, "Delete", Toast.LENGTH_SHORT).show();
break;
default:
break;
}
}
private void clickPhotosPic(){
if(menuLayoutShowing){
if(rowsShowing){
rowsShowing = false;
mShareList.setVisibility(View.GONE);
}
menuLayoutShowing = false;
functionButtons.setVisibility(View.GONE);
} else{
menuLayoutShowing = true;
functionButtons.setVisibility(View.VISIBLE);
}
}
private void clickSharedButton(){
if(rowsShowing){
rowsShowing = false;
mShareList.setVisibility(View.GONE);
} else{
rowsShowing = true;
mShareList.setVisibility(View.VISIBLE);
}
}
private final SimpleAdapter.ViewBinder mViewBinder =
new SimpleAdapter.ViewBinder() {
@Override
public boolean setViewValue(final View view, final Object data,
final String text) {
if (view instanceof ImageView) {
((ImageView) view).setImageDrawable((Drawable) data);
return true;
}
return false;
}
};
public void createShareMenu() {
PackageManager packageManager = getPackageManager();
List<ResolveInfo> infos = packageManager.queryIntentActivities(
new Intent(Intent.ACTION_SEND).setType(mMimeType), 0);
ArrayList<HashMap<String, Object>> items = new ArrayList<HashMap<String, Object>>();
for (ResolveInfo info : infos) {
ComponentName component = new ComponentName(
info.activityInfo.packageName, info.activityInfo.name);
HashMap<String, Object> map = new HashMap<String, Object>();
map.put(ADAPTER_COLUMN_ICON, info.loadIcon(packageManager));
items.add(map);
mComponent.add(component);
}
SimpleAdapter listItemAdapter = new SimpleAdapter(this, items,
R.layout.share_icon,
new String[] {ADAPTER_COLUMN_ICON},
new int[] {R.id.icon});
listItemAdapter.setViewBinder(mViewBinder);
mShareList.setAdapter(listItemAdapter);
mShareList.setOnItemClickListener(this);
}
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int index, long arg3) {
// TODO Auto-generated method stub
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType(mMimeType);
intent.putExtra(Intent.EXTRA_STREAM, mThumbnail.getUri());
intent.setComponent(mComponent.get(index));
startActivity(intent);
}
}
布局文件 back_display.xml：
<!-- Add by Liuzw for show back display interface. -->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:camera="http://schemas.android.com/apk/res/com.android.camera"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="bottom" >
<ImageView
android:id="@+id/photos_pic"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="center" />
<ListView
android:id="@+id/shared_items"
android:layout_width="130dip"
android:layout_height="wrap_content"
android:layout_marginLeft="100dip"
android:visibility="gone"
android:layout_above="@+id/funtion_buttons"/>
<LinearLayout
android:id="@+id/funtion_buttons"
android:layout_width="fill_parent"
android:layout_height="40dip"
android:orientation="horizontal"
android:layout_marginLeft="100dip"
android:layout_marginRight="100dip"
android:layout_marginBottom="20dip"
android:background="#88FFFF00"
android:layout_alignParentBottom="true"
android:visibility="gone" >
<Button
android:id="@+id/btn_share"
style="@style/picBackDisplayButton"
android:text="@string/back_display_button_share" />
<Button
android:id="@+id/btn_edit"
style="@style/picBackDisplayButton"
android:text="@string/back_display_button_edit" />
<Button
android:id="@+id/btn_delete"
style="@style/picBackDisplayButton"
android:text="@string/back_display_button_delete" />
</LinearLayout>
</RelativeLayout>
其中：
<style name="picBackDisplayButton">
<item name="android:background">#AA836FFF</item>
<item name="android:textSize">15pt</item>
<item name="android:layout_height">40dip</item>
<item name="android:layout_width">fill_parent</item>
<item name="android:layout_weight">1</item>
</style>
布局文件share_icon.xml:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_height="40dip"
android:layout_width="fill_parent"
android:background="#AA836FFF">
<ImageView android:id="@+id/icon"
android:layout_height="wrap_content"
android:layout_width="fill_parent"/>
</FrameLayout>
