From aa9e46deb6961dc5e0a355f03e8bdeb81956a5d0 Mon Sep 17 00:00:00 2001 From: Dianne Hackborn Date: Thu, 12 Mar 2015 11:20:52 -0700 Subject: [PATCH] Add API demo for sharing. Change-Id: I8f65979ab67297932e82f26eba8c4729725ee6d5 --- samples/ApiDemos/AndroidManifest.xml | 9 +++ samples/ApiDemos/res/layout/share_content.xml | 34 +++++++++++ samples/ApiDemos/res/values/strings.xml | 5 ++ .../android/apis/content/FileProvider.java | 17 ++++-- .../android/apis/content/ShareContent.java | 59 +++++++++++++++++++ 5 files changed, 118 insertions(+), 6 deletions(-) create mode 100644 samples/ApiDemos/res/layout/share_content.xml create mode 100644 samples/ApiDemos/src/com/example/android/apis/content/ShareContent.java diff --git a/samples/ApiDemos/AndroidManifest.xml b/samples/ApiDemos/AndroidManifest.xml index b74e29051..180f7d06a 100644 --- a/samples/ApiDemos/AndroidManifest.xml +++ b/samples/ApiDemos/AndroidManifest.xml @@ -1237,6 +1237,13 @@ + + + + + + + @@ -1263,6 +1270,8 @@ diff --git a/samples/ApiDemos/res/layout/share_content.xml b/samples/ApiDemos/res/layout/share_content.xml new file mode 100644 index 000000000..e9d547968 --- /dev/null +++ b/samples/ApiDemos/res/layout/share_content.xml @@ -0,0 +1,34 @@ + + + + + + + + + + diff --git a/samples/ApiDemos/res/values/strings.xml b/samples/ApiDemos/res/values/strings.xml index 65bfba353..87e185a40 100644 --- a/samples/ApiDemos/res/values/strings.xml +++ b/samples/ApiDemos/res/values/strings.xml @@ -456,6 +456,11 @@ Pick a Phone Pick an Address + Content/Provider/Share Content + Share private data of the app by granting access + to a specific URI in its content provider. + Share Image + Content/Provider/Changed Contacts Content/Packages/Install Apk diff --git a/samples/ApiDemos/src/com/example/android/apis/content/FileProvider.java b/samples/ApiDemos/src/com/example/android/apis/content/FileProvider.java index f26bcdaf4..63d891d09 100644 --- a/samples/ApiDemos/src/com/example/android/apis/content/FileProvider.java +++ b/samples/ApiDemos/src/com/example/android/apis/content/FileProvider.java @@ -111,14 +111,19 @@ public class FileProvider extends ContentProvider } @Override - public AssetFileDescriptor openAssetFile(Uri uri, String mode) throws FileNotFoundException { + public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException { // Try to open an asset with the given name. try { - InputStream is = getContext().getAssets().open(uri.getPath()); - // Start a new thread that pipes the stream data back to the caller. - return new AssetFileDescriptor( - openPipeHelper(uri, null, null, is, this), 0, - AssetFileDescriptor.UNKNOWN_LENGTH); + String path = uri.getPath(); + int off = path.indexOf('/', 1); + if (off < 0 || off >= (path.length()-1)) { + throw new FileNotFoundException("Unable to open " + uri); + } + int cookie = Integer.parseInt(path.substring(1, off)); + String assetPath = path.substring(off+1); + AssetFileDescriptor asset = getContext().getAssets().openNonAssetFd(cookie, assetPath); + return new ParcelFileDescriptor(openPipeHelper(uri, null, null, + asset.createInputStream(), this)); } catch (IOException e) { FileNotFoundException fnf = new FileNotFoundException("Unable to open " + uri); throw fnf; diff --git a/samples/ApiDemos/src/com/example/android/apis/content/ShareContent.java b/samples/ApiDemos/src/com/example/android/apis/content/ShareContent.java new file mode 100644 index 000000000..247c7fc69 --- /dev/null +++ b/samples/ApiDemos/src/com/example/android/apis/content/ShareContent.java @@ -0,0 +1,59 @@ +/** + * Copyright (c) 2015, The Android Open Source Project + * + * 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.example.android.apis.content; + +import android.app.Activity; +import android.content.ClipData; +import android.content.Intent; +import android.net.Uri; +import android.os.Bundle; +import android.util.TypedValue; +import android.view.View; +import android.widget.Button; +import com.example.android.apis.R; + +/** + * Example of sharing content from a private content provider. + */ +public class ShareContent extends Activity { + @Override + protected void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + setContentView(R.layout.share_content); + + // Watch for button clicks. + ((Button)findViewById(R.id.share_image)).setOnClickListener(new View.OnClickListener() { + @Override public void onClick(View v) { + Intent intent = new Intent(Intent.ACTION_SEND); + intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); + Uri.Builder b = new Uri.Builder(); + b.scheme("content"); + b.authority("com.example.android.apis.content.FileProvider"); + TypedValue tv = new TypedValue(); + getResources().getValue(R.drawable.jellies, tv, true); + b.appendEncodedPath(Integer.toString(tv.assetCookie)); + b.appendEncodedPath(tv.string.toString()); + Uri uri = b.build(); + intent.setType("image/jpeg"); + intent.putExtra(Intent.EXTRA_STREAM, uri); + intent.setClipData(ClipData.newUri(getContentResolver(), "image", uri)); + startActivity(Intent.createChooser(intent, "Select share target")); + } + }); + } +}