由于某种原因，在新项目中，当设备被锁定/解锁时，“活动”和“片段”的生命周期表现得不太正确。阻止时，仅调用onPause。解锁时，不会调用任何内容。如何解决？
apply plugin: 'com.android.application'
android {
compileSdkVersion 27
defaultConfig {
applicationId "com.iteco.testfragmentactivity"
minSdkVersion 21
targetSdkVersion 27
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
ndk {
abiFilters "armeabi-v7a", "x86", 'armeabi', 'arm64-v8a'
}
packagingOptions {
exclude '/lib/mips64/**'
exclude '/lib/arm64-v8a/**'
exclude '/lib/x86_64/**'
exclude 'META-INF/rxjava.properties'
}
javaCompileOptions {
annotationProcessorOptions {
arguments = ["room.schemaLocation": "$projectDir/schemas".toString()]
}
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
testOptions {
unitTests {
returnDefaultValues = true
}
}
lintOptions {
abortOnError false
}
aaptOptions {
cruncherEnabled = true
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
def android_rx_version = '2.1.1'
def retrofit_version = '2.3.0'
implementation "android.arch.persistence.room:runtime:1.0.0"
annotationProcessor "android.arch.persistence.room:compiler:1.0.0"
implementation 'com.android.support:support-annotations:27.1.0'
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation 'com.github.traphan:material-calendarview:1.19'
implementation 'com.android.support:appcompat-v7:27.1.0'
implementation 'com.android.support:support-v4:27.1.0'
implementation 'com.android.support:design:27.1.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
testImplementation 'junit:junit:4.12'
implementation 'com.jakewharton:butterknife:8.8.1'
annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
implementation 'com.github.traphan:PinBlockLib:1.1'
implementation 'com.android.support:recyclerview-v7:27.1.0'
implementation 'com.jakewharton.timber:timber:4.6.0'
implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
implementation 'com.squareup.okhttp3:okhttp:3.9.1'
implementation group: 'io.reactivex.rxjava2', name: 'rxjava', version: "$android_rx_version"
implementation 'com.squareup.okhttp3:logging-interceptor:3.8.0'
implementation 'com.squareup.retrofit2:adapter-rxjava:2.1.0'
implementation 'io.reactivex:rxandroid:1.2.1'
implementation "android.arch.lifecycle:extensions:1.1.0"
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
implementation 'com.android.support:cardview-v7:27.1.0'
}
import android.arch.lifecycle.Lifecycle;
import android.arch.lifecycle.LifecycleOwner;
import android.arch.lifecycle.LifecycleRegistry;
import android.arch.lifecycle.ViewModelProviders;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import static com.iteco.testfragmentactivity.MainActivity.TAG_LOG;
public class CommonFragment extends Fragment implements LifecycleOwner {
private LifecycleRegistry lifecycleRegistry;
private CommonViewModel mViewModel;
public static CommonFragment newInstance() {
return new CommonFragment();
}
public CommonFragment() {
lifecycleRegistry = new LifecycleRegistry(this);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d(TAG_LOG, this.toString() + "onCreate");
lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_CREATE);
}
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
Log.d(TAG_LOG, this.toString() + "onCreateView");
return inflater.inflate(R.layout.common_fragment, container, false);
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
Log.d(TAG_LOG, this.toString() + "onActivityCreated");
mViewModel = ViewModelProviders.of(this).get(CommonViewModel.class);
// TODO: Use the ViewModel
}
@Override
public void onDestroyView() {
Log.d(TAG_LOG, this.toString() + "onDestroyView");
mViewModel.onCleared();
super.onDestroyView();
}
@NonNull
@Override
public Lifecycle getLifecycle() {
return lifecycleRegistry;
}
@Override
public void onStart() {
super.onStart();
//more code here
Log.d(TAG_LOG, this.toString() + "onStart");
lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_START);
}
@Override
public void onResume() {
super.onResume();
//more code here
Log.d(TAG_LOG, this.toString() + "onResume");
lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_RESUME);
}
@Override
public void onPause() {
super.onPause();
//more code here
Log.d(TAG_LOG, this.toString() + "onPause");
lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_PAUSE);
}
@Override
public void onStop() {
super.onStop();
//more code here
Log.d(TAG_LOG, this.toString() + "onStop");
lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_STOP);
}
@Override
public void onDestroy() {
super.onDestroy();
//more code here
Log.d(TAG_LOG, this.toString() + "onDestroy");
lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_DESTROY);
}
}
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import butterknife.ButterKnife;
import static com.iteco.testfragmentactivity.MainActivity.TAG_LOG;
public class HostActivity extends AppCompatActivity {
private FragmentTransaction fragmentTransaction;
private FragmentManager fragmentManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_host);
ButterKnife.bind(this);
fragmentManager = getSupportFragmentManager();
fragmentTransaction = fragmentManager.beginTransaction();
commitRegisterOfTaskFragment();
}
public void commitRegisterOfTaskFragment() {
CommonFragment commonFragment = new CommonFragment();
fragmentTransaction.replace(R.id.host, commonFragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}
}
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.iteco.testfragmentactivity">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".HostActivity"
android:configChanges="orientation"></activity>
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
它是测试代码。代码对我来说不正确。这个问题对我来说至关重要。