我正在从相机拍摄3张图像但是当我尝试在图像视图中显示它时，首先屏幕进入横向模式然后它消失并且图像视图变为空白。我甚至做过“screenOrientation：portrait”仍然只在三星galaxy tab3 lite设备上出现问题。这是我的代码：
public class xxxxxx2 extends Activity{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_lodge_complaints2);
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);}
mHelper=new DatabaseHelper(this);
imgVw1=(ImageView)findViewById(R.id.imgComp1);
imgVw2=(ImageView)findViewById(R.id.imgComp2);
imgVw3=(ImageView)findViewById(R.id.imgComp3);
SharedPreferences prefReq=PreferenceManager.getDefaultSharedPreferences(xxx2.this);
String reqcode2=prefReq.getString("REQ_CODE", "");
if(thumb2==null && reqcode2.equals("1"))
{
thumb2=retreivePic1();
}
if(thumb3==null && reqcode2.equals("2"))
{
thumb3=retreivePic2();
}
if(thumb4==null && reqcode2.equals("3"))
{
thumb4=retreivePic3();
}
appLocprov=new ApplicationLocationProvider(LodgeComplaints2.this);
//btnImage=(Button)findViewById(R.id.btnClick);
btnSend=(Button)findViewById(R.id.btnSend);
btncap1=(Button)findViewById(R.id.btnCap1);
btncap2=(Button)findViewById(R.id.btnCap2);
btncap3=(Button)findViewById(R.id.btnCap3);
btncap1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
SharedPreferences prefReq1=PreferenceManager.getDefaultSharedPreferences(xxxxxx2.this);
SharedPreferences.Editor editor =prefReq1.edit();
editor.putString("REQ_CODE", "1");
editor.apply();
final CharSequence[] items={"Choose from Gallery","Capture an Image"};
AlertDialog.Builder builder=new AlertDialog.Builder(LodgeComplaints2.this);
builder.setTitle("Make your Selection");
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
if(items[which].equals("Choose from Gallery"))
{
Intent inGal=new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(inGal,RESULT_LOAD_IMAGE);
}
else if(items[which].equals("Capture an Image"))
{
Intent inCap=new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
//final String Comp_Name2=txtComplCat.getText().toString();
//final String Comp_Name2=Comp_Name;
// inCap.putExtra("Complaint", val2);
startActivityForResult(inCap, CAMERA_PIC_REQUEST);
}
}
});
AlertDialog alert=builder.create();
alert.show();
}
});
btncap2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
SharedPreferences prefReq1=PreferenceManager.getDefaultSharedPreferences(LodgeComplaints2.this);
SharedPreferences.Editor editor =prefReq1.edit();
editor.putString("REQ_CODE", "2");
editor.apply();
final CharSequence[] items={"Choose from Gallery","Capture an Image"};
AlertDialog.Builder builder=new AlertDialog.Builder(LodgeComplaints2.this);
builder.setTitle("Make your Selection");
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
if(items[which].equals("Choose from Gallery"))
{
Intent inGal=new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(inGal,RESULT_LOAD_IMAGE);
}
else if(items[which].equals("Capture an Image"))
{
Intent inCap=new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
//final String Comp_Name2=txtComplCat.getText().toString();
//final String Comp_Name2=Comp_Name;
// inCap.putExtra("Complaint", val2);
startActivityForResult(inCap, CAMERA_PIC_REQUEST);
}
}
});
AlertDialog alert=builder.create();
alert.show();
}
});
btncap3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
SharedPreferences prefReq1=PreferenceManager.getDefaultSharedPreferences(xxxxxx2.this);
SharedPreferences.Editor editor =prefReq1.edit();
editor.putString("REQ_CODE", "3");
editor.apply();
// TODO Auto-generated method stub
final CharSequence[] items={"Choose from Gallery","Capture an Image"};
AlertDialog.Builder builder=new AlertDialog.Builder(LodgeComplaints2.this);
builder.setTitle("Make your Selection");
builder.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
if(items[which].equals("Choose from Gallery"))
{
Intent inGal=new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(inGal,RESULT_LOAD_IMAGE);
}
else if(items[which].equals("Capture an Image"))
{
Intent inCap=new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
//final String Comp_Name2=txtComplCat.getText().toString();
//final String Comp_Name2=Comp_Name;
// inCap.putExtra("Complaint", val2);
startActivityForResult(inCap, CAMERA_PIC_REQUEST);
}
}
});
AlertDialog alert=builder.create();
alert.show();
}
});
//deleteFiles("image1.jpg");
//deleteFiles("image2.jpg");
//deleteFiles("image3.jpg");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.lodge_complaints2, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
if(requestCode==CAMERA_PIC_REQUEST && resultCode==RESULT_OK && data!=null)
{
Bitmap thumb=(Bitmap)data.getExtras().get("data");
//img.setImageBitmap(thumb);
ByteArrayOutputStream bytes=new ByteArrayOutputStream();
thumb.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
/**if(countImage==1)
{
imgVw1.setImageBitmap(thumb);
}
else if(countImage==2)
{
imgVw2.setImageBitmap(thumb);
}
else if(countImage==3)
{
imgVw3.setImageBitmap(thumb);
}
countImage++; **/
SharedPreferences prefReq=PreferenceManager.getDefaultSharedPreferences(LodgeComplaints2.this);
String reqcode=prefReq.getString("REQ_CODE", "");
if(reqcode.equals("1"))
{
thumb2=thumb;
ByteArrayOutputStream bos1=new ByteArrayOutputStream();
thumb2.compress(CompressFormat.JPEG, 100, bos1);
imgByte1=bos1.toByteArray();
File file=new File(Environment.getExternalStorageDirectory()+File.separator+"image1.jpg");
try{
file.createNewFile();
FileOutputStream fo=new FileOutputStream(file);
fo.write(bytes.toByteArray());
fo.close();
}
catch(Exception exc)
{
exc.printStackTrace();
}
//imgVw1.setImageBitmap(retreivePic1());
}
else if(reqcode.equals("2"))
{
thumb3=thumb;
ByteArrayOutputStream bos2=new ByteArrayOutputStream();
thumb3.compress(CompressFormat.JPEG, 100, bos2);
imgByte2=bos2.toByteArray();
File file=new File(Environment.getExternalStorageDirectory()+File.separator+"image2.jpg");
try{
file.createNewFile();
FileOutputStream fo=new FileOutputStream(file);
fo.write(bytes.toByteArray());
fo.close();
}
catch(Exception exc)
{
exc.printStackTrace();
}
//imgVw2.setImageBitmap(retreivePic2());
}
else if(reqcode.equals("3"))
{
thumb4=thumb;
ByteArrayOutputStream bos3=new ByteArrayOutputStream();
thumb4.compress(CompressFormat.JPEG, 100, bos3);
imgByte3=bos3.toByteArray();
File file=new File(Environment.getExternalStorageDirectory()+File.separator+"image3.jpg");
try{
file.createNewFile();
FileOutputStream fo=new FileOutputStream(file);
fo.write(bytes.toByteArray());
fo.close();
}
catch(Exception exc)
{
exc.printStackTrace();
}
//imgVw3.setImageBitmap(retreivePic3());
}
//imgVw1.setImageBitmap(thumb);
/** File file=new File(Environment.getExternalStorageDirectory()+File.separator+"image.jpg");
try{
file.createNewFile();
FileOutputStream fo=new FileOutputStream(file);/..
fo.write(bytes.toByteArray());
fo.close();
}
catch(Exception exc)
{
exc.printStackTrace();
} **/
}
else if(requestCode==RESULT_LOAD_IMAGE && resultCode==RESULT_OK && null!=data)
{
Uri selectedImage=data.getData();
String [] filepathColumn={MediaStore.Images.Media.DATA};
Cursor cursor=getContentResolver().query(selectedImage, filepathColumn, null, null, null);
cursor.moveToLast();
int columnIndex=cursor.getColumnIndex(filepathColumn[0]);
String picturePath=cursor.getString(columnIndex);
cursor.close();
thumbnail=(BitmapFactory.decodeFile(picturePath));
/**if(countImage==1){
imgVw1.setImageBitmap(thumbnail);
}
else if(countImage==2)
{
imgVw2.setImageBitmap(thumbnail);
}
else if(countImage==3)
{
imgVw3.setImageBitmap(thumbnail);
}
countImage++; **/
SharedPreferences prefReq=PreferenceManager.getDefaultSharedPreferences(LodgeComplaints2.this);
String reqcode=prefReq.getString("REQ_CODE", "");
if(reqcode.equals("1"))
{
thumb2=thumbnail;
ByteArrayOutputStream bos1=new ByteArrayOutputStream();
thumb2.compress(CompressFormat.JPEG, 100, bos1);
imgByte1=bos1.toByteArray();
//imgVw1.setImageBitmap(thumb2);
}
else if(reqcode.equals("2"))
{
thumb3=thumbnail;
ByteArrayOutputStream bos2=new ByteArrayOutputStream();
thumb3.compress(CompressFormat.JPEG, 100, bos2);
imgByte2=bos2.toByteArray();
//imgVw2.setImageBitmap(thumb3);
}
else if(reqcode.equals("3"))
{
thumb4=thumbnail;
ByteArrayOutputStream bos3=new ByteArrayOutputStream();
thumb4.compress(CompressFormat.JPEG, 100, bos3);
imgByte3=bos3.toByteArray();
//imgVw3.setImageBitmap(thumb4);
}
}
}
}
public String getPath(Uri uri) {
String[] projection = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(uri, projection, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
public Bitmap retreivePic()
{
File f=new File(Environment.getExternalStorageDirectory()+File.separator+"image.jpg");
Bitmap bmp=BitmapFactory.decodeFile(f.getAbsolutePath());
return bmp;
}
public Bitmap retreivePic1()
{
File f=new File(Environment.getExternalStorageDirectory()+File.separator+"image1.jpg");
Bitmap bmp=BitmapFactory.decodeFile(f.getAbsolutePath());
return bmp;
}
public Bitmap retreivePic2()
{
File f=new File(Environment.getExternalStorageDirectory()+File.separator+"image2.jpg");
Bitmap bmp=BitmapFactory.decodeFile(f.getAbsolutePath());
return bmp;
}
public Bitmap retreivePic3()
{
File f=new File(Environment.getExternalStorageDirectory()+File.separator+"image3.jpg");
Bitmap bmp=BitmapFactory.decodeFile(f.getAbsolutePath());
return bmp;
}
}