应用在平板电脑或移动设备旋转后重启时崩溃。
我将仅以横屏模式开发应用程序,并在layout-land中创建了名为activity_main的布局,我的应用程序中没有任何纵向布局和布局文件夹,我还在清单活动中添加了screenOrientation="landscape"。
活动代码如下:
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
}
}
以下是Manifest.xml代码:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.yasir.sample">
<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=".MainActivity"
android:screenOrientation="landscape">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
项目结构:
该项目的结构如上图所示。FATAL EXCEPTION: main
Process: com.example.yasir.sample, PID: 12611
java.lang.RuntimeException: Unable to start activity
ComponentInfo{com.example.yasir.sample/com.example.yasir.sample.MainActivity}:
android.content.res.Resources$NotFoundException: Resource ID #0x7f04001b
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3151)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3261)
at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:5205)
at android.app.ActivityThread.access$1100(ActivityThread.java:219)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1741)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6939)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)
Caused by: android.content.res.Resources$NotFoundException: Resource ID #0x7f04001b
at android.content.res.Resources.getValue(Resources.java:2495)
at android.content.res.Resources.loadXmlResourceParser(Resources.java:4236)
at android.content.res.Resources.getLayout(Resources.java:2311)
at android.view.LayoutInflater.inflate(LayoutInflater.java:413)
at android.view.LayoutInflater.inflate(LayoutInflater.java:366)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:289)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
at com.example.yasir.sample.MainActivity.onCreate(MainActivity.java:12)
at android.app.Activity.performCreate(Activity.java:6609)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1134)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3104)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3261)
at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:5205)
at android.app.ActivityThread.access$1100(ActivityThread.java:219)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1741)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:6939)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1404)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1199)