base/AndroidBaseFrameMVVM
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反射初始化ViewBinding和ViewModel

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This commit is contained in:
Dboy
2020-09-26 15:53:27 +08:00
parent b247b44f50
commit f14f5e9b32
9 changed files with 61 additions and 80 deletions
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24
Lib_Base/src/main/java/com/quyunshuo/base/mvvm/v/BaseFrameActivity.kt
View File

@ -1,6 +1,7 @@
package com.quyunshuo.base.mvvm.v
import android.os.Bundle
import android.view.LayoutInflater
import androidx.appcompat.app.AppCompatActivity
import androidx.lifecycle.ViewModel
import androidx.lifecycle.ViewModelProvider
@ -8,6 +9,7 @@ import androidx.viewbinding.ViewBinding
import com.alibaba.android.arouter.launcher.ARouter
import com.quyunshuo.base.utils.EventBusRegister
import com.quyunshuo.base.utils.EventBusUtils
import java.lang.reflect.ParameterizedType
/**
* @Author: QuYunShuo
@ -15,19 +17,33 @@ import com.quyunshuo.base.utils.EventBusUtils
* @Class: BaseFrameActivity
* @Remark: Activity基类 与项目无关
*/
abstract class BaseFrameActivity<VB : ViewBinding, VM : ViewModel>(private val vmClass: Class<VM>) :
abstract class BaseFrameActivity<VB : ViewBinding, VM : ViewModel> :
AppCompatActivity() {
protected val mViewModel: VM by lazy(mode = LazyThreadSafetyMode.NONE) {
ViewModelProvider(this).get(vmClass)
//init ViewModel | getActualTypeArguments [0]=是第一个泛型参数 | [1] = 是类的第二个泛型参数
val tClass: Class<VM> =
(javaClass.genericSuperclass as ParameterizedType).actualTypeArguments[1] as Class<VM>
ViewModelProvider(this).get(tClass)
}
protected val mBinding: VB by lazy(mode = LazyThreadSafetyMode.NONE) { initViewBinding() }
protected val mBinding: VB by lazy(mode = LazyThreadSafetyMode.NONE) {
getViewBindingReflex()
}
protected abstract fun initViewBinding(): VB
protected abstract fun initView()
protected abstract fun initViewObserve()
/**
* 反射初始化ViewBinding
*/
private fun getViewBindingReflex(): VB {
val tClass: Class<VB> =
(javaClass.genericSuperclass as ParameterizedType).actualTypeArguments[0] as Class<VB>
val infater = tClass.getMethod("inflate", LayoutInflater::class.java)
return infater.invoke(null,layoutInflater) as VB
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(mBinding.root)

25
Lib_Base/src/main/java/com/quyunshuo/base/mvvm/v/MyActivity.java
View File

@ -1,25 +0,0 @@
package com.quyunshuo.base.mvvm.v;
import android.view.LayoutInflater;
import com.quyunshuo.base.databinding.MyActivityBinding;
import org.jetbrains.annotations.NotNull;
/**
* @author DBoy
* @date 2020/9/26
* Class 描述 :
*/
public class MyActivity extends MyBaseActivity<MyActivityBinding, MyViewModel> {
@Override
protected MyActivityBinding getViewBinding(LayoutInflater from) {
return MyActivityBinding.inflate(from);
}
@Override
protected void initViewAndData() {
mViewModel.test();
}
}

43
Lib_Base/src/main/java/com/quyunshuo/base/mvvm/v/MyBaseActivity.java
View File

@ -1,43 +0,0 @@
package com.quyunshuo.base.mvvm.v;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.lifecycle.ViewModel;
import androidx.lifecycle.ViewModelProvider;
import androidx.viewbinding.ViewBinding;
import java.lang.reflect.ParameterizedType;
/**
* @author DBoy
* @date 2020/9/26
* Class 描述 :
*/
public abstract class MyBaseActivity<V extends ViewBinding, M extends ViewModel> extends AppCompatActivity {
protected V viewBinding;
protected M mViewModel;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
viewBinding = getViewBinding(LayoutInflater.from(this));
setContentView(viewBinding.getRoot());
//init ViewModel | getActualTypeArguments[0] =是第一个泛型参数 [1] = 是类的第二个泛型参数
Class<M> tClass = (Class<M>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[1];
mViewModel = new ViewModelProvider(this).get(tClass);
initViewAndData();
}
protected abstract V getViewBinding(LayoutInflater from);
protected abstract void initViewAndData();
}

4
Lib_Common/src/main/java/com/quyunshuo/common/ui/BaseActivity.kt
View File

@ -10,5 +10,5 @@ import com.quyunshuo.base.mvvm.v.BaseFrameActivity
* @Class: BaseActivity
* @Remark: 项目相关的Activity基类
*/
abstract class BaseActivity<VB : ViewBinding, VM : ViewModel>(vmClass: Class<VM>) :
BaseFrameActivity<VB, VM>(vmClass)
abstract class BaseActivity<VB : ViewBinding, VM : ViewModel> :
BaseFrameActivity<VB, VM>()

3
app/build.gradle
View File

@ -65,6 +65,9 @@ android {
kotlinOptions {
jvmTarget = JavaVersion.VERSION_1_8.toString()
}
buildFeatures {
viewBinding = true
}
}
dependencies {

2
app/src/main/AndroidManifest.xml
View File

@ -22,7 +22,7 @@
android:theme="@style/base_AppTheme"
tools:ignore="UnusedAttribute">
<activity
android:name="com.quyunshuo.base.mvvm.v.MyActivity"
android:name=".MyActivity"
android:screenOrientation="portrait"
android:theme="@style/base_AppTheme">
<intent-filter>

27
app/src/main/java/com/quyunshuo/androidbaseframemvvm/MyActivity.java Normal file
View File

@ -0,0 +1,27 @@
package com.quyunshuo.androidbaseframemvvm;
import com.quyunshuo.androidbaseframemvvm.databinding.MyActivityLayoutBinding;
import com.quyunshuo.base.mvvm.v.BaseFrameActivity;
import org.jetbrains.annotations.NotNull;
/**
* @author DBoy
* @date 2020/9/26
* Class 描述 :
*/
public class MyActivity extends BaseFrameActivity<MyActivityLayoutBinding, MyViewModel> {
@Override
protected void initView() {
getMViewModel().test();
getMBinding().testTv.setText("反射初始化 ViewBinding");
}
@Override
protected void initViewObserve() {
}
}

2
Lib_Base/src/main/java/com/quyunshuo/base/mvvm/v/MyViewModel.java → app/src/main/java/com/quyunshuo/androidbaseframemvvm/MyViewModel.java
View File

@ -1,4 +1,4 @@
package com.quyunshuo.base.mvvm.v;
package com.quyunshuo.androidbaseframemvvm;
import android.util.Log;

11
Lib_Base/src/main/res/layout/my_activity.xml → app/src/main/res/layout/my_activity_layout.xml
View File

@ -1,12 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
android:layout_height="match_parent"
android:background="#fff">
<TextView
android:text="my"
android:gravity="center"
android:id="@+id/test_Tv"
android:layout_width="match_parent"
android:layout_height="match_parent" />
android:layout_height="match_parent"
android:gravity="center"
android:textColor="#000"
android:textSize="20sp" />
</androidx.constraintlayout.widget.ConstraintLayout>