Java &引用;resolveUri在错误的位图uri上失败:content://media/external/images/media/49644" 我无法查看图像
你好,我是开发android应用程序的初学者。我一直在做联系人应用程序。 这是我的java代码,在从gallery中选择image之后,我无法在gui上显示图像。 我在ANDROID KITKAT上测试过,它不显示图像。 但这段代码在安卓冰激凌三明治上成功运行,它在从图库中选择后显示图像Java &引用;resolveUri在错误的位图uri上失败:content://media/external/images/media/49644" 我无法查看图像,java,android,bitmap,Java,Android,Bitmap,你好,我是开发android应用程序的初学者。我一直在做联系人应用程序。 这是我的java代码,在从gallery中选择image之后,我无法在gui上显示图像。 我在ANDROID KITKAT上测试过,它不显示图像。 但这段代码在安卓冰激凌三明治上成功运行,它在从图库中选择后显示图像 contactimageview.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view)
contactimageview.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent= new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent,"select image"),1);
}
});
}
public void onActivityResult(int reqCode,int resCode,Intent data) {
if (resCode == RESULT_OK) {
if (reqCode==1){
imageUri = data.getData();
contactimageview.setImageURI(data.getData());
}}
}
在我选择图像后,我得到如下日志
我认为onActivityResult方法代码中存在问题
01-30 23:04:04.271 30813-30813/com.example.dell4.contact W/ResolverActivity﹕ mLaunchedFromPackage=com.example.dell4.contact
01-30 23:04:04.606 30813-30813/com.example.dell4.contact D/AbsListView﹕ Get MotionRecognitionManager
01-30 23:04:04.706 30813-30813/com.example.dell4.contact D/dalvikvm﹕ GC_FOR_ALLOC freed 144K, 9% free 13792K/15016K, paused 13ms, total 13ms
01-30 23:04:06.711 30813-30813/com.example.dell4.contact W/IInputConnectionWrapper﹕ showStatusIcon on inactive InputConnection
01-30 23:04:06.991 30813-30813/com.example.dell4.contact D/AbsListView﹕ onDetachedFromWindow
01-30 23:04:12.641 30813-30813/com.example.dell4.contact W/ImageView﹕ Unable to open content: content://media/external/images/media/49644
java.lang.SecurityException: Permission Denial: reading com.android.providers.media.MediaProvider uri content://media/external/images/media/49644 from pid=30813, uid=10020 requires android.permission.READ_EXTERNAL_STORAGE, or grantUriPermission()
at android.os.Parcel.readException(Parcel.java:1465)
at android.database.DatabaseUtils.readExceptionFromParcel(DatabaseUtils.java:185)
at android.database.DatabaseUtils.readExceptionWithFileNotFoundExceptionFromParcel(DatabaseUtils.java:148)
at android.content.ContentProviderProxy.openTypedAssetFile(ContentProviderNative.java:682)
at android.content.ContentResolver.openTypedAssetFileDescriptor(ContentResolver.java:1067)
at android.content.ContentResolver.openAssetFileDescriptor(ContentResolver.java:907)
at android.content.ContentResolver.openInputStream(ContentResolver.java:632)
at android.widget.ImageView.resolveUri(ImageView.java:674)
at android.widget.ImageView.setImageURI(ImageView.java:409)
at com.example.dell4.contact.MainActivity.onActivityResult(MainActivity.java:94)
at android.app.Activity.dispatchActivityResult(Activity.java:5643)
at android.app.ActivityThread.deliverResults(ActivityThread.java:3677)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3724)
at android.app.ActivityThread.access$1400(ActivityThread.java:175)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1356)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5602)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
at dalvik.system.NativeStart.main(Native Method)
01-30 23:04:12.641 30813-30813/com.example.dell4.contact I/System.out﹕ resolveUri failed on bad bitmap uri: content://media/external/images/media/49644
您需要将权限
添加到清单文件中