├── .github └── workflows │ └── ci.yml ├── .gitignore ├── CHANGELOG.md ├── LICENSE ├── README.md ├── RELEASING.md ├── ViewPumpSample ├── build.gradle └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── io │ │ └── github │ │ └── inflationx │ │ └── viewpump │ │ └── sample │ │ ├── CustomTextView.java │ │ ├── CustomTextViewInterceptor.java │ │ ├── MainActivity.java │ │ ├── SampleApplication.java │ │ ├── SampleFragment.java │ │ └── TextUpdatingInterceptor.java │ └── res │ ├── layout │ ├── activity_main.xml │ └── fragment_sample.xml │ └── values │ ├── strings.xml │ └── styles.xml ├── build.gradle ├── gradle.properties ├── gradle ├── libs.versions.toml └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── viewpump ├── Module.md ├── build.gradle.kts └── src ├── main ├── java │ └── io │ │ └── github │ │ └── inflationx │ │ └── viewpump │ │ ├── FallbackViewCreator.kt │ │ ├── InflateRequest.kt │ │ ├── InflateResult.kt │ │ ├── Interceptor.kt │ │ ├── ViewPump.kt │ │ ├── ViewPumpContextWrapper.kt │ │ └── internal │ │ ├── -FallbackViewCreationInterceptor.kt │ │ ├── -InterceptorChain.kt │ │ ├── -ReflectionUtils.kt │ │ ├── -ReflectiveFallbackViewCreator.kt │ │ ├── -ViewPumpActivityFactory.kt │ │ └── -ViewPumpLayoutInflater.kt └── res │ └── values │ └── ids.xml └── test └── java └── io └── github └── inflationx └── viewpump ├── test └── ViewPumpTest.java └── util ├── AnotherTestView.java ├── AnotherTestViewNewingPreInflationInterceptor.java ├── NameChangingPreInflationInterceptor.java ├── SingleConstructorTestView.java ├── TestFallbackViewCreator.java ├── TestPostInflationInterceptor.java └── TestView.java /.github/workflows/ci.yml: -------------------------------------------------------------------------------- 1 | name: CI 2 | 3 | on: 4 | # Only run push on main 5 | push: 6 | branches: 7 | - main 8 | paths-ignore: 9 | - '**/*.md' 10 | # Always run on PRs 11 | pull_request: 12 | branches: [ main ] 13 | merge_group: 14 | 15 | concurrency: 16 | group: 'ci-${{ github.head_ref }}-${{ github.workflow }}' 17 | cancel-in-progress: true 18 | 19 | jobs: 20 | build: 21 | runs-on: ubuntu-latest 22 | steps: 23 | - name: Checkout 24 | uses: actions/checkout@v3 25 | 26 | - name: Gradle Wrapper Validation 27 | uses: gradle/wrapper-validation-action@v1 28 | 29 | - name: Install JDK 30 | uses: actions/setup-java@v3 31 | with: 32 | distribution: 'zulu' 33 | java-version: '19' 34 | 35 | - name: Build and run tests 36 | id: gradle 37 | uses: gradle/gradle-build-action@v2 38 | with: 39 | arguments: check 40 | gradle-home-cache-cleanup: true 41 | cache-read-only: false 42 | 43 | - name: (Fail-only) Upload build reports 44 | if: failure() 45 | uses: actions/upload-artifact@v3 46 | with: 47 | name: reports 48 | path: | 49 | **/build/reports/** 50 | 51 | - name: Publish snapshot (main branch only) 52 | if: github.repository == 'inflationx/viewpump' && github.ref == 'refs/heads/main' 53 | run: ./gradlew publishRelease -PSONATYPE_USERNAME=${{ secrets.SONATYPE_USERNAME }} -PSONATYPE_USERNAME=${{ secrets.SONATYPE_PASSWORD }} --no-configuration-cache 54 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the ART/Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | out/ 15 | 16 | # Gradle files 17 | .gradle/ 18 | build/ 19 | 20 | # Local configuration file (sdk path, etc) 21 | local.properties 22 | 23 | # Proguard folder generated by Eclipse 24 | proguard/ 25 | 26 | # Log Files 27 | *.log 28 | 29 | # Android Studio Navigation editor temp files 30 | .navigation/ 31 | 32 | # Android Studio captures folder 33 | captures/ 34 | 35 | # Intellij 36 | *.iml 37 | .idea/workspace.xml 38 | .idea 39 | 40 | # Keystore files 41 | *.jks 42 | 43 | # OSX 44 | .DS_Store -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | # Changelog 2 | 3 | ## Version 2.1.1 *(2023-04-05)* 4 | - Fix nullability issues - @ZacSweers 5 | 6 | ## Version 2.1.0 *(2023-03-30)* 7 | - Deprecate static `init`, `get`, and related APIs in favor of instance-based use. Instead, install local `ViewPump` instances as needed via `ViewPumpContextWrapper.wrap(context, viewPump)`. 8 | - Optimize internal `cloneInContext()` calls. 9 | - Update to Kotlin `1.8.10`. 10 | - Update to Android compile SDK 33. Note this is a source breaking change in some places where new nullability annotations on `AttributeSet` are used. These are propagated as needed. 11 | - Build against `androidx.appcompat:appcompat` to `1.6.1`. 12 | - Use new `maven-publish` plugin. 13 | 14 | ## Version 2.0.3 *(2019-06-07)* 15 | - Update the LayoutInflater to be compatible with Android Q 16 | 17 | ## Version 2.0.2 *(2019-04-16)* 18 | 19 | - Fix SAM invocation of Interceptor instances via `operator fun invoke()` extension 20 | - Add `Builder.addInterceptor()` convenience extension function that accepts a `(Chain) -> InflateResult` parameter 21 | 22 | ## Version 2.0.1 *(2019-04-03)* 23 | 24 | - Fix nullability and reflection field name 25 | - Disabled generation of unused BuildConfig 26 | - Cleaned up consumer proguard rules 27 | - Update Kotlin to 1.3.21 and use it as `api` dependency 28 | - Add proper Dokka support 29 | 30 | ## Version 2.0.0 *(2019-01-28)* 31 | 32 | - **Breaking change:** Project migrated to [AndroidX](https://developer.android.com/jetpack/androidx/). See the [class and package mappings](https://developer.android.com/jetpack/androidx/migrate) for help migrating 33 | - **Breaking change:** The previously `public` `ReflectionUtils` class is now internal only, and inaccessible to Java users. This class should never have been used anyway though, so ideally should not be a breaking change to most. 34 | - Migrated library to Kotlin. Aside from the two breaking changes listed above, this should otherwise be a non-breaking API change for Java users. 35 | 36 | ## Version 1.0.0 *(2017-05-01)* 37 | 38 | - Initial Release 39 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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The text should be enclosed in the appropriate 184 | comment syntax for the file format. We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ViewPump 2 | ======== 3 | 4 | View inflation you can intercept. 5 | 6 | ViewPump installs a custom `LayoutInflater` via a `ContextThemeWrapper` and provides an API of pre/post-inflation interceptors. 7 | 8 | ## Getting started 9 | 10 | ### Dependency 11 | 12 | Include the dependency [Download (.aar)](http://search.maven.org/remotecontent?filepath=io/github/inflationx/viewpump/2.1.0/viewpump-2.1.0.aar) : 13 | 14 | ```groovy 15 | dependencies { 16 | implementation 'io.github.inflationx:viewpump:2.1.0' 17 | } 18 | ``` 19 | 20 | ### Usage 21 | 22 | Define your interceptor. Below is a somewhat arbitrary example of a post-inflation interceptor that prefixes the text in a TextView. 23 | 24 | ```java 25 | public class TextUpdatingInterceptor implements Interceptor { 26 | @Override 27 | public InflateResult intercept(Chain chain) { 28 | InflateResult result = chain.proceed(chain.request()); 29 | if (result.view() instanceof TextView) { 30 | // Do something to result.view() 31 | // You have access to result.context() and result.attrs() 32 | TextView textView = (TextView) result.view(); 33 | textView.setText("[Prefix] " + textView.getText()); 34 | } 35 | return result; 36 | } 37 | } 38 | ``` 39 | 40 | Below is an example of a pre-inflation interceptor that returns a CustomTextView when a TextView was defined in the layout's XML. 41 | 42 | ```java 43 | public class CustomTextViewInterceptor implements Interceptor { 44 | @Override 45 | public InflateResult intercept(Chain chain) { 46 | InflateRequest request = chain.request(); 47 | if (request.name().endsWith("TextView")) { 48 | CustomTextView view = new CustomTextView(request.context(), request.attrs()); 49 | return InflateResult.builder() 50 | .view(view) 51 | .name(view.getClass().getName()) 52 | .context(request.context()) 53 | .attrs(request.attrs()) 54 | .build(); 55 | } else { 56 | return chain.proceed(request); 57 | } 58 | } 59 | } 60 | ``` 61 | 62 | ## Installation 63 | 64 | Create a `ViewPump` instance via `ViewPump.builder()` and add your interceptors. The order of the interceptors is important since they form the interceptor chain of requests and results. 65 | 66 | An interceptor may choose to return a programmatically instantiated view rather than letting the default inflation occur, in which case interceptors added after it will be skipped. For this reason, it is better to add your post-inflation interceptors before the pre-inflation interceptors 67 | 68 | ```java 69 | ViewPump viewPump = ViewPump.builder() 70 | .addInterceptor(new TextUpdatingInterceptor()) 71 | .addInterceptor(new CustomTextViewInterceptor()) 72 | .build() 73 | ``` 74 | 75 | Once the instance is created (via dependency injection or otherwise), provide it to your relevant context via wrapping the `Activity` context: 76 | 77 | ```java 78 | @Override 79 | protected void attachBaseContext(Context newBase) { 80 | super.attachBaseContext(ViewPumpContextWrapper.wrap(newBase, viewPump)); 81 | } 82 | ``` 83 | 84 | _You're good to go!_ 85 | 86 | To see more ideas for potential use cases, check out the [Recipes](https://github.com/InflationX/ViewPump/wiki/Recipes) wiki page. 87 | 88 | ## Testing 89 | 90 | If you need to test views in isolation (i.e. not under the indirect umbrella of an `Activity`), you need to set `factory2` manually in order for `ViewPump` to work. 91 | 92 | ```kotlin 93 | val context = ViewPumpContextWrapper.wrap(textContext, viewPump) 94 | LayoutInflater.from(context).factory2 = FakeFactory2() // Can be a stub that just returns null 95 | 96 | // Now inflate your view 97 | val view = LayoutInflater.from(context).inflate(R.layout.view, null) 98 | ``` 99 | 100 | Otherwise, no `factory2` instance will be set in the underlying `LayoutInflater` and subsequently `ViewPump` will never be called during inflation. 101 | 102 | ## Collaborators 103 | 104 | - [@jbarr21](https://github.com/jbarr21) 105 | - [@chrisjenx](https://github.com/chrisjenx) 106 | 107 | ## Licence 108 | 109 | Copyright 2017 InflationX 110 | 111 | Licensed under the Apache License, Version 2.0 (the "License"); 112 | you may not use this file except in compliance with the License. 113 | You may obtain a copy of the License at 114 | 115 | http://www.apache.org/licenses/LICENSE-2.0 116 | 117 | Unless required by applicable law or agreed to in writing, software 118 | distributed under the License is distributed on an "AS IS" BASIS, 119 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 120 | See the License for the specific language governing permissions and 121 | limitations under the License. 122 | -------------------------------------------------------------------------------- /RELEASING.md: -------------------------------------------------------------------------------- 1 | Releasing 2 | ========= 3 | 4 | 1. Change the version in `gradle.properties` to a non-SNAPSHOT version. 5 | 2. Update the `CHANGELOG.md` for the impending release 6 | 3. Update the `README.md` with the new version. 7 | 4. `git checkout -b release/X.Y.0` 8 | 6. `git tag -a X.Y.Z -m "Version X.Y.Z"` (where X.Y.Z is the new version) 9 | 7. `./gradlew clean publishRelease` 10 | 8. `git push --tags` 11 | 10. Update the `gradle.properties` to the next SNAPSHOT version. 12 | 11. `git commit -am "Prepare next development version"` 13 | 12. `git push -u origin release/X.Y.0` 14 | 13. Visit [Sonatype Nexus](https://oss.sonatype.org/) and promote the artifact. 15 | 14. Merge `release/X.Y.0` Pull-Request 16 | -------------------------------------------------------------------------------- /ViewPumpSample/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | alias(libs.plugins.agp.application) 3 | } 4 | 5 | android { 6 | compileSdk 33 7 | namespace = "io.github.inflationx.viewpump.sample" 8 | 9 | defaultConfig { 10 | minSdkVersion 14 11 | targetSdkVersion 33 12 | versionCode 1 13 | versionName "1" 14 | } 15 | 16 | compileOptions { 17 | sourceCompatibility JavaVersion.VERSION_1_8 18 | targetCompatibility JavaVersion.VERSION_1_8 19 | } 20 | 21 | buildTypes { 22 | debug { 23 | matchingFallbacks = ['release'] 24 | minifyEnabled true 25 | proguardFiles getDefaultProguardFile('proguard-android.txt') 26 | } 27 | release { 28 | minifyEnabled true 29 | proguardFiles getDefaultProguardFile('proguard-android.txt') 30 | } 31 | } 32 | 33 | lintOptions { 34 | // we don't need to be indexed by firebase and we don't have a custom icon for our sample app 35 | disable 'GoogleAppIndexingWarning', 'MissingApplicationIcon' 36 | textReport System.getenv('CI') == 'true' 37 | } 38 | } 39 | 40 | dependencies { 41 | implementation project(':viewpump') 42 | implementation libs.androidx.appcompat 43 | 44 | debugImplementation libs.leakcanary.android 45 | } 46 | -------------------------------------------------------------------------------- /ViewPumpSample/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 10 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /ViewPumpSample/src/main/java/io/github/inflationx/viewpump/sample/CustomTextView.java: -------------------------------------------------------------------------------- 1 | package io.github.inflationx.viewpump.sample; 2 | 3 | import android.annotation.SuppressLint; 4 | import android.content.Context; 5 | import android.util.AttributeSet; 6 | import android.widget.TextView; 7 | 8 | @SuppressLint("AppCompatCustomView") 9 | public class CustomTextView extends TextView { 10 | 11 | public CustomTextView(Context context) { 12 | super(context); 13 | } 14 | 15 | public CustomTextView(Context context, AttributeSet attrs) { 16 | super(context, attrs); 17 | } 18 | 19 | public CustomTextView(Context context, AttributeSet attrs, int defStyleAttr) { 20 | super(context, attrs, defStyleAttr); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /ViewPumpSample/src/main/java/io/github/inflationx/viewpump/sample/CustomTextViewInterceptor.java: -------------------------------------------------------------------------------- 1 | package io.github.inflationx.viewpump.sample; 2 | 3 | import android.content.Context; 4 | import android.util.AttributeSet; 5 | import android.view.View; 6 | 7 | import androidx.annotation.Nullable; 8 | import io.github.inflationx.viewpump.InflateRequest; 9 | import io.github.inflationx.viewpump.InflateResult; 10 | import io.github.inflationx.viewpump.Interceptor; 11 | 12 | /** 13 | * This is an example of a pre-inflation interceptor that returns programmatically instantiated 14 | * CustomTextViews instead of inflating TextViews. 15 | */ 16 | public class CustomTextViewInterceptor implements Interceptor { 17 | 18 | @Override 19 | public InflateResult intercept(Chain chain) { 20 | InflateRequest request = chain.request(); 21 | View view = inflateView(request.name(), request.context(), request.attrs()); 22 | 23 | if (view != null) { 24 | return InflateResult.builder() 25 | .view(view) 26 | .name(view.getClass().getName()) 27 | .context(request.context()) 28 | .attrs(request.attrs()) 29 | .build(); 30 | } else { 31 | return chain.proceed(request); 32 | } 33 | } 34 | 35 | @Nullable 36 | private View inflateView(String name, Context context, AttributeSet attrs) { 37 | if ("TextView".equals(name)) { 38 | return new CustomTextView(context, attrs); 39 | } 40 | return null; 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /ViewPumpSample/src/main/java/io/github/inflationx/viewpump/sample/MainActivity.java: -------------------------------------------------------------------------------- 1 | package io.github.inflationx.viewpump.sample; 2 | 3 | import android.content.Context; 4 | import android.os.Bundle; 5 | 6 | import androidx.appcompat.app.AppCompatActivity; 7 | import androidx.appcompat.widget.Toolbar; 8 | 9 | import io.github.inflationx.viewpump.ViewPump; 10 | import io.github.inflationx.viewpump.ViewPumpContextWrapper; 11 | 12 | 13 | public class MainActivity extends AppCompatActivity { 14 | 15 | private final ViewPump pump = ViewPump.builder() 16 | .addInterceptor(new TextUpdatingInterceptor()) 17 | .addInterceptor(new CustomTextViewInterceptor()) 18 | .build(); 19 | 20 | @Override 21 | protected void onCreate(Bundle savedInstanceState) { 22 | super.onCreate(savedInstanceState); 23 | setContentView(R.layout.activity_main); 24 | final Toolbar toolbar = findViewById(R.id.toolbar); 25 | setSupportActionBar(toolbar); 26 | toolbar.setTitle(R.string.app_name); 27 | } 28 | 29 | /* 30 | Uncomment if you disable PrivateFactory injection. See ViewPumpConfig#setPrivateFactoryInjectionEnabled(boolean) 31 | */ 32 | // @Override 33 | // @TargetApi(Build.VERSION_CODES.HONEYCOMB) 34 | // public View onCreateView(View parent, String name, @NonNull Context context, @NonNull AttributeSet attrs) { 35 | // return ViewPumpContextWrapper.onActivityCreateView(this, parent, super.onCreateView(parent, name, context, attrs), name, context, attrs); 36 | // } 37 | 38 | @Override 39 | protected void attachBaseContext(Context newBase) { 40 | // This is the new way 41 | super.attachBaseContext(ViewPumpContextWrapper.wrap(newBase, pump)); 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /ViewPumpSample/src/main/java/io/github/inflationx/viewpump/sample/SampleApplication.java: -------------------------------------------------------------------------------- 1 | package io.github.inflationx.viewpump.sample; 2 | 3 | import android.app.Application; 4 | 5 | public class SampleApplication extends Application { 6 | } 7 | -------------------------------------------------------------------------------- /ViewPumpSample/src/main/java/io/github/inflationx/viewpump/sample/SampleFragment.java: -------------------------------------------------------------------------------- 1 | package io.github.inflationx.viewpump.sample; 2 | 3 | import androidx.fragment.app.Fragment; 4 | 5 | public class SampleFragment extends Fragment { 6 | 7 | public SampleFragment() { 8 | super(R.layout.fragment_sample); 9 | } 10 | 11 | } 12 | -------------------------------------------------------------------------------- /ViewPumpSample/src/main/java/io/github/inflationx/viewpump/sample/TextUpdatingInterceptor.java: -------------------------------------------------------------------------------- 1 | package io.github.inflationx.viewpump.sample; 2 | 3 | import android.content.res.TypedArray; 4 | 5 | import io.github.inflationx.viewpump.InflateResult; 6 | import io.github.inflationx.viewpump.Interceptor; 7 | 8 | /** 9 | * This is an example of a post-inflation interceptor that modifies the properties of a view 10 | * after it has been created. Here we prefix the text for any view that has been replaced with 11 | * a custom version by the {@link CustomTextViewInterceptor}. 12 | */ 13 | public class TextUpdatingInterceptor implements Interceptor { 14 | 15 | @Override 16 | public InflateResult intercept(Chain chain) { 17 | InflateResult result = chain.proceed(chain.request()); 18 | if (result.view() instanceof CustomTextView) { 19 | CustomTextView textView = (CustomTextView) result.view(); 20 | 21 | TypedArray a = result.context().obtainStyledAttributes(result.attrs(), new int[]{android.R.attr.text}); 22 | try { 23 | CharSequence text = a.getText(0); 24 | if (text != null && text.length() > 0) { 25 | if (text.toString().startsWith("\n")) { 26 | text = text.toString().substring(1); 27 | } 28 | textView.setText(textView.getContext().getString(R.string.custom_textview_prefixed_text, text)); 29 | } 30 | } finally { 31 | a.recycle(); 32 | } 33 | } 34 | return result; 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /ViewPumpSample/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 7 | 8 | 15 | 16 | 23 | 24 | 28 | 29 |