{Android}我可以從圖庫中選擇圖片並將其發送到一個按鈕中的新活動嗎？

Question

我試圖在主屏幕上創建圖像效果應用程序 有按鈕相機，畫圖，圖庫，設置 我想從圖庫中選擇圖像並將其發送到新的活動以在點擊圖庫按鈕後添加效果。 這是我的代碼

private static int RESULT_LOAD_IMAGE = 1; 
Bitmap temp; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 

    requestWindowFeature(Window.FEATURE_NO_TITLE); 
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN); 
    setContentView(R.layout.activity_main); 

    Button gal = (Button)findViewById(R.id.bgal); 

    gal.setOnClickListener(new OnClickListener() { 
     @Override 
     public void onClick(View v) { 
      Intent i = new Intent(
        Intent.ACTION_PICK, 
        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI); 
      startActivityForResult(i, RESULT_LOAD_IMAGE); 

      Intent intent = new Intent(getApplicationContext(), Gallery.class); 
      intent.putExtra("BitmapImage", temp); 
      startActivity(intent); 
     } 
    }); 
} 

@Override 
protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
    super.onActivityResult(requestCode, resultCode, data); 

    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.moveToFirst(); 

     int columnIndex = cursor.getColumnIndex(filePathColumn[0]); 
     String picturePath = cursor.getString(columnIndex); 
     cursor.close(); 

     temp = BitmapFactory.decodeFile(picturePath); 
    } 

} 

能解決這個問題？

Answer 1

試試這個

private static int RESULT_LOAD_IMAGE = 1; 
Bitmap temp; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
super.onCreate(savedInstanceState); 

requestWindowFeature(Window.FEATURE_NO_TITLE); 
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN); 
setContentView(R.layout.activity_main); 

Button gal = (Button)findViewById(R.id.bgal); 

gal.setOnClickListener(new OnClickListener() { 
    @Override 
    public void onClick(View v) { 
     Intent i = new Intent(
       Intent.ACTION_PICK, 
       android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI); 
     startActivityForResult(i, RESULT_LOAD_IMAGE); 

    } 
}); 
} 

@Override 
protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
super.onActivityResult(requestCode, resultCode, data); 

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.moveToFirst(); 

    int columnIndex = cursor.getColumnIndex(filePathColumn[0]); 
    String picturePath = cursor.getString(columnIndex); 
    cursor.close(); 

    temp = BitmapFactory.decodeFile(picturePath); 


     Intent intent = new Intent(getApplicationContext(), Gallery.class); 
     intent.putExtra("BitmapImage", temp); 
     startActivity(intent); 
} 
}