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呼叫系統相簿

protected void gotoXC() {
        Intent intent=new Intent(Intent.ACTION_GET_CONTENT);
        intent.addCategory(Intent.CATEGORY_OPENABLE);
        intent.setType("image/*");
        intent.putExtra("crop", "true");
        intent.putExtra("aspectX", 1);
        intent.putExtra
 
("aspectY", 1);
        intent.putExtra("outputX", 80);
        intent.putExtra("outputY", 80);
        intent.putExtra("return-data", true);

        startActivityForResult(intent, 0);

    }

呼叫照相機

protected void gotoXJ() {
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);  

        startActivityForResult(intent, 1
 
); 

    }

獲取圖片儲存到本地 並顯示到imageview

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode==Activity.RESULT_OK){
Log.e(“onActivityResult”, resultCode+”“);
String sdStatus = Environment.getExternalStorageState();
if (!sdStatus.equals(Environment.MEDIA_MOUNTED)) { // 檢測sd是否可用
Log.i(“TestFile”,
“SD card is not avaiable/writeable right now.”);
Log.e(“onActivityResult”, “SD card is not avaiable/writeable right now”);
return;
}

            String name = new DateFormat().format("yyyyMMdd_hhmmss",Calendar.getInstance(Locale.CHINA)) + ".jpg";     

            Bundle bundle = data.getExtras();  
            Bitmap bitmap = (Bitmap) bundle.get("data");// 獲取相機返回的資料，並轉換為Bitmap圖片格式  

            FileOutputStream b = null;  

            File file = new File("/sdcard/myImage/");  
            file.mkdirs();// 建立資料夾  
            String fileName = "/sdcard/myImage/"+name;  

            try {  
                b = new FileOutputStream(fileName);  
                bitmap.compress(Bitmap.CompressFormat.JPEG, 100, b);// 把資料寫入檔案  
            } catch (FileNotFoundException e) {  
                e.printStackTrace();  
            } finally {  
                try {  
                    b.flush();  
                    b.close();  
                } catch (IOException e) {  
                    e.printStackTrace();  
                }  
            }  
            Log.e("onActivityResult", "----------------001");
            //===呼叫介面儲存頭像 成功更換頭像
            if(true){
                 Log.e("onActivityResult", "---------------------002");
                Drawable drawable =new BitmapDrawable(bitmap);
                image_avtr.setBackground(null);
                image_avtr.setImageBitmap(null);
                image_avtr.setImageDrawable(null);
                image_avtr.setBackgroundDrawable(null);
                image_avtr.setBackground(drawable);
            }else{
                ToastUtils.Toas(getApplicationContext(), "上傳頭像失敗，請稍後再試");

    }else{
        ToastUtils.Toas(getApplicationContext(), "照片獲取失敗，請稍後再試");
    }

}

許可權

<!-- 呼叫系統相機許可權 -->
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> 
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> 
<uses-permission android:name="android.permission.CAMERA" /> 
<uses-permission android:name="android.permission.RECORD_AUDIO" /> 
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />