我使用的启动活动结果开始一个新的活动来选择库中的形象,它会返回一个图像路径我的主要活动,使之在我的主要活动中插入图像,
这是我的code
意向意图=新的意图(getApplicationContext(),Image.class);
intent.putExtra(UUID,image.getUuid()的toString());
startActivityForResult(意向,PICK_IMAGE);
@覆盖
保护无效onActivityResult(INT申请code,INT结果code,意图数据){
开关(要求code){
案例PICK_IMAGE:
如果(结果code!= RESULT_OK)
返回;
字符串uuidStr = data.getStringExtra(UUID);
log.v(图片网址,uuiStr);
打破;
}
}
但我发现下面的崩溃
了java.lang.RuntimeException:无法恢复活动
java.lang.RuntimeException的:不提供结果ResultInfo {谁= NULL,请求= 2,
结果= -1,数据= {意向(有临时演员)}}到活动
{com.write.example / com.write.example.MainWriterActivity}:显示java.lang.NullPointerException
解决方案
开始活动
私有静态最终诠释PICK_IMAGE = 1;
意向意图=新的意图();
intent.setType(图像/ *);
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(意向,选择图片),PICK_IMAGE);
取结果
@覆盖
保护无效onActivityResult(INT申请code,INT结果code,意图数据)
{
如果(要求code == PICK_IMAGE和放大器;&放大器;数据= NULL和放大器;!&安培;!data.getData()= NULL)
{
乌里_uri = data.getData();
//用户必须选择一个图像。
光标光标= getContentResolver()查询(_uri,新的String [] {
android.provider.MediaStore.Images.ImageColumns.DATA},NULL,NULL,NULL);
cursor.moveToFirst();
//链接到图片
最后弦乐imageFilePath = cursor.getString(0);
cursor.close();
}
super.onActivityResult(要求code,因此code,数据);
}
I'm using start Activity result for starting a new activity to select a image from gallery and it will return a image path to my main activity to , so that it will insert image in my main activity,
here is my code
Intent intent = new Intent(getApplicationContext(), Image.class);
intent.putExtra(UUID, image.getUuid().toString());
startActivityForResult(intent, PICK_IMAGE);
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case PICK_IMAGE:
if (resultCode != RESULT_OK)
return;
String uuidStr = data.getStringExtra(UUID);
log.v("image url",uuiStr);
break;
}
}
but i'm getting following crashes
java.lang.RuntimeException: Unable to resume activity
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=2,
result=-1,data=Intent { (has extras) }} to activity
{com.write.example/com.write.example.MainWriterActivity}: java.lang.NullPointerException
解决方案
Start Activity
private static final int PICK_IMAGE = 1;
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
startActivityForResult(Intent.createChooser(intent, "Select Picture"), PICK_IMAGE);
Take Result
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if(requestCode == PICK_IMAGE && data != null && data.getData() != null)
{
Uri _uri = data.getData();
//User had pick an image.
Cursor cursor = getContentResolver().query(_uri, new String[] {
android.provider.MediaStore.Images.ImageColumns.DATA }, null, null, null);
cursor.moveToFirst();
//Link to the image
final String imageFilePath = cursor.getString(0);
cursor.close();
}
super.onActivityResult(requestCode, resultCode, data);
}