我正在关注教程,我有这个错误,请帮助
android.content.ActivityNotFoundException:找不到要处理的Activity
Intent { act=android.intent.action.OPEN_DOCUMENT cat=[android.intent.category.OPENABLE] typ=image/* }
"
我的班级
public class Load_Image_Activity extends AppCompatActivity {
private static final int REQUEST_OPEN_RESULT_CODE = 0;
ImageView image;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_load__image_);
image=(ImageView)findViewById(R.id.imageView2);
Intent intent=new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/*");
startActivityForResult(intent,REQUEST_OPEN_RESULT_CODE);
}
}
清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.app.soulhi.slider">
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".Load_Image_Activity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
答案 0 :(得分:3)
ACTION_OPEN_DOCUMENT
仅添加到Android 4.4的Android SDK(API级别19)。在旧设备上使用ACTION_GET_CONTENT
。