图片预览页面新增分享以及保存本地功能

fmtjava · fmtjava · commit d56ed7e3dfd6 · 2020-10-20T16:38:24.000+08:00
diff --git a/app/build.gradle b/app/build.gradle
@@ -55,6 +55,7 @@ dependencies {
     //Androidx
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.2'
+    implementation project(path: ':common')
     testImplementation 'junit:junit:4.13'
     androidTestImplementation 'androidx.test:runner:1.3.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
diff --git a/app/src/main/java/com/fmt/github/App.kt b/app/src/main/java/com/fmt/github/App.kt
@@ -18,6 +18,7 @@ class App : Application() {
         TaskDispatcher.createInstance()
             .addTask(InitBuGlyTask())
             .addTask(InitKoInTask())
+            .addTask(InitImageLoaderTask())
             .addTask(InitLiveEventBusTask())
             .addTask(InitSmartRefreshLayoutTask())
             .start()
diff --git a/app/src/main/java/com/fmt/github/ext/DataBindExt.kt b/app/src/main/java/com/fmt/github/ext/DataBindExt.kt
@@ -9,19 +9,17 @@ import android.widget.ImageView
 import androidx.core.content.ContextCompat
 import androidx.databinding.BindingAdapter
 import androidx.databinding.BindingConversion
-import androidx.databinding.ViewDataBinding
 import com.fmt.github.AppContext
-import com.fmt.github.GlideApp
 import com.fmt.github.R
+import com.fmt.github.common.image.ImageLoader
 import com.fmt.github.home.model.ReceivedEventModel
 import com.fmt.github.repos.model.ReposItemModel
 
 //DataBinding自定义属性
 @BindingAdapter("url")
 fun loadImage(imageView: ImageView, url: String) {
-    GlideApp.with(AppContext).load(url)
-        .placeholder(R.mipmap.ic_github)
-        .into(imageView)
+    ImageLoader.LoaderOptions().setImageUrl(url).setPlaceholderId(R.mipmap.ic_github)
+        .setTargetView(imageView).build().load()
 }
 
 //DataBinding类型转换
diff --git a/app/src/main/java/com/fmt/github/tasks/InitImageLoaderTask.kt b/app/src/main/java/com/fmt/github/tasks/InitImageLoaderTask.kt
@@ -0,0 +1,53 @@
+package com.fmt.github.tasks
+
+import android.graphics.drawable.Drawable
+import android.view.View
+import android.widget.ImageView
+import com.bumptech.glide.Glide
+import com.bumptech.glide.request.RequestOptions
+import com.bumptech.glide.request.target.CustomViewTarget
+import com.bumptech.glide.request.transition.Transition
+import com.fmt.github.common.image.ImageLoadStrategyManager
+import com.fmt.github.common.image.ImageLoader
+import com.fmt.launch.starter.task.MainTask
+
+class InitImageLoaderTask : MainTask() {
+
+    override fun run() {
+        ImageLoadStrategyManager.init(GlideLoadStrategy())
+    }
+
+    class GlideLoadStrategy : ImageLoadStrategyManager.ILoaderStrategy {
+
+        override fun loadImage(options: ImageLoader.LoaderOptions) {
+
+            var requestOptions = RequestOptions()
+            if (options.placeholderId != null) {
+                requestOptions = requestOptions.placeholder(options.placeholderId!!)
+            }
+
+            options.targetView?.let { view ->
+                if (view is ImageView) {
+                    Glide.with(view.context).load(options.url).apply(requestOptions).into(view)
+                } else {
+                    Glide.with(view.context).load(options.url).apply(requestOptions).into(object :
+                        CustomViewTarget<View, Drawable>(view) {
+
+                        override fun onResourceReady(
+                            resource: Drawable,
+                            transition: Transition<in Drawable>?
+                        ) {
+                            view.background = resource
+                        }
+
+                        override fun onLoadFailed(errorDrawable: Drawable?) {
+                        }
+
+                        override fun onResourceCleared(placeholder: Drawable?) {
+                        }
+                    })
+                }
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/com/fmt/github/user/activity/PhotoPreviewActivity.kt b/app/src/main/java/com/fmt/github/user/activity/PhotoPreviewActivity.kt
@@ -1,15 +1,30 @@
 package com.fmt.github.user.activity
 
 import android.app.Activity
+import android.content.Intent
+import android.graphics.Bitmap
+import android.graphics.drawable.Drawable
+import android.net.Uri
+import android.os.Build
 import android.os.Bundle
+import androidx.core.content.FileProvider
+import com.bumptech.glide.Glide
+import com.bumptech.glide.request.target.CustomTarget
+import com.bumptech.glide.request.transition.Transition
 import com.fmt.github.R
 import com.fmt.github.base.activity.BaseDataBindActivity
 import com.fmt.github.databinding.ActivityPhotoPreviewBinding
 import com.fmt.github.ext.startActivity
+import com.fmt.github.utils.FileUtils
+import com.lxj.xpopup.XPopup
 import kotlinx.android.synthetic.main.activity_photo_preview.*
+import java.io.File
+import java.io.FileOutputStream
 
 class PhotoPreviewActivity : BaseDataBindActivity<ActivityPhotoPreviewBinding>() {
 
+    lateinit var mImageUrl: String
+
     companion object {
         private const val IMAGE_URL = "image_url"
 
@@ -24,9 +39,81 @@ class PhotoPreviewActivity : BaseDataBindActivity<ActivityPhotoPreviewBinding>()
     override fun getLayoutId(): Int = R.layout.activity_photo_preview
 
     override fun initView() {
-        mDataBind.url = intent.getStringExtra(IMAGE_URL)
+        mImageUrl = intent.getStringExtra(IMAGE_URL)
+        mDataBind.url = mImageUrl
+        mPhotoView.setOnLongClickListener {
+            showBottomDialog()
+            false
+        }
         mPhotoView.setOnClickListener {
             finish()
         }
     }
+
+    private fun showBottomDialog() {
+        XPopup.Builder(this)
+            .asBottomList(
+                getString(R.string.options), arrayOf(
+                    getString(R.string.share_picture),
+                    getString(R.string.save_picture)
+                )
+            ) { position, _ ->
+                run {
+                    when (position) {
+                        0 -> {
+                            share()
+                        }
+                        1 -> {
+                            savePic {
+                                FileUtils.saveFile(it)
+                            }
+                        }
+                    }
+                }
+
+            }.show()
+    }
+
+    private fun savePic(handle: (Bitmap) -> Unit) {
+        Glide.with(this@PhotoPreviewActivity).asBitmap().load(mImageUrl)
+            .into(object : CustomTarget<Bitmap>() {
+                override fun onResourceReady(
+                    resource: Bitmap,
+                    transition: Transition<in Bitmap>?
+                ) {
+                    handle(resource)
+                }
+
+                override fun onLoadCleared(placeholder: Drawable?) {
+                }
+            })
+    }
+
+    private fun share() {
+        val file = File(getExternalFilesDir("img_download"), "${IMAGE_URL}.jpg")
+        if (!file.exists()) {
+            savePic { bitmap ->
+                FileOutputStream(file).use { os ->
+                    bitmap.compress(Bitmap.CompressFormat.JPEG, 90, os)
+                }
+                sharePic(file)
+            }
+        } else {
+            sharePic(file)
+        }
+    }
+
+    private fun sharePic(file: File) {
+        val picUri: Uri = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            FileProvider.getUriForFile(this, "${packageName}.provider", file)
+        } else {
+            Uri.fromFile(file)
+        }
+        var shareIntent = Intent()
+        shareIntent.action = Intent.ACTION_SEND //设置分享行为
+        shareIntent.type = "image/*" //设置分享内容的类型
+        shareIntent.putExtra(Intent.EXTRA_STREAM, picUri)
+        shareIntent = Intent.createChooser(shareIntent, "")
+        startActivity(shareIntent)
+    }
 }
diff --git a/app/src/main/java/com/fmt/github/utils/FileUtils.kt b/app/src/main/java/com/fmt/github/utils/FileUtils.kt
@@ -0,0 +1,55 @@
+package com.fmt.github.utils
+
+import android.content.ContentResolver
+import android.content.ContentValues
+import android.content.Intent
+import android.graphics.Bitmap
+import android.net.Uri
+import android.os.Build
+import android.os.Environment
+import android.provider.MediaStore
+import com.fmt.github.AppContext
+import com.fmt.github.R
+import com.fmt.github.ext.successToast
+import java.io.*
+
+object FileUtils {
+
+    /**
+     * 保存图片到相册，适配Android Q以上
+     */
+    fun saveFile(bitmap: Bitmap) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            val fileName = "${System.currentTimeMillis()}.jpg"
+            val values = ContentValues()
+            values.put(MediaStore.MediaColumns.DISPLAY_NAME, fileName)
+            values.put(MediaStore.MediaColumns.MIME_TYPE, "image/JPEG")
+            values.put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DCIM + "/")
+            val contentResolver: ContentResolver = AppContext.contentResolver
+            val uri: Uri? =
+                contentResolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values)
+            uri?.let {
+                //若生成了uri，则表示该文件添加成功
+                //使用流将内容写入该uri中即可
+                contentResolver.openOutputStream(it).use { os ->
+                    bitmap.compress(Bitmap.CompressFormat.JPEG, 90, os)
+                    successToast(R.string.save_picture_success)
+                }
+            }
+        } else {
+            val picDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM)
+            val file = File(picDir, "${System.currentTimeMillis()}.jpg")
+            FileOutputStream(file).use { os ->
+                bitmap.compress(Bitmap.CompressFormat.JPEG, 90, os)
+            }
+            if (file.exists()) {
+                // 发送广播，通知刷新图库显示
+                val intent = Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE)
+                val uri = Uri.fromFile(file)
+                intent.data = uri
+                AppContext.sendBroadcast(intent)
+                successToast(R.string.save_picture_success)
+            }
+        }
+    }
+}
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -63,6 +63,13 @@
     <string name="retry_load">retry load</string>
     <string name="load_fail">Load Failed</string>
 
+    <string name="options">options</string>
+    <string name="save_picture">save picture</string>
+    <string name="save_picture_fail">save picture fail</string>
+    <string name="save_picture_success">save picture success</string>
+    <string name="save_picture_path">save picture success</string>
+    <string name="share_picture">share picture</string>
+
     <string name="no_browser_clients">There are no browser clients installed.</string>
 
     <string-array name="github_glyph_strings">
diff --git a/app/src/main/res/xml/file_paths.xml b/app/src/main/res/xml/file_paths.xml
@@ -9,5 +9,9 @@
         <external-files-path
             name="external-files-path"
             path="apk_download/"/>
+
+        <external-files-path
+            name="external-files-path"
+            path="img_download/"/>
     </paths>
 </resource>
diff --git a/common/.gitignore b/common/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/common/build.gradle b/common/build.gradle
@@ -0,0 +1,36 @@
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles "consumer-rules.pro"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: "libs", include: ["*.jar"])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.1.0'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+}
diff --git a/common/consumer-rules.pro b/common/consumer-rules.pro
diff --git a/common/proguard-rules.pro b/common/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/common/src/androidTest/java/com/fmt/github/common/ExampleInstrumentedTest.kt b/common/src/androidTest/java/com/fmt/github/common/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.fmt.github.common
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.fmt.github.common.test", appContext.packageName)
+    }
+}
diff --git a/common/src/main/AndroidManifest.xml b/common/src/main/AndroidManifest.xml
@@ -0,0 +1,5 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.fmt.github.common">
+
+    /
+</manifest>
diff --git a/common/src/main/java/com/fmt/github/common/image/ImageLoadStrategyManager.kt b/common/src/main/java/com/fmt/github/common/image/ImageLoadStrategyManager.kt
diff --git a/common/src/main/java/com/fmt/github/common/image/ImageLoader.kt b/common/src/main/java/com/fmt/github/common/image/ImageLoader.kt
diff --git a/common/src/test/java/com/fmt/github/common/ExampleUnitTest.kt b/common/src/test/java/com/fmt/github/common/ExampleUnitTest.kt
diff --git a/settings.gradle b/settings.gradle
