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RSS订阅原创 MyDownloadManager 本地下载
public class MyDownloadManager { //下载器 private static DownloadManager downloadManager; //上下文 private static Context mcontext; private static final String TAG = “MyDownloadManager”; public static final String DATA_PATH = Environment.getExternalStorageDirect
2020-08-21 17:31:11
266
原创 Android 实现图片保存到本地并调用本地地址显示图片
话不多说上代码 public class MainActivity extends AppCompatActivity { private Button cunn; private Button xian; private ImageView ttt; //private EditText rrr; public static final int EXTERNAL_STORAGE_REQ_CODE = 10 ; @Override protected void onCreate(Bundle savedI.
2020-08-14 08:42:28
1925
原创 Android 出现open failed: EACCES (Permission denied)错误**
Android 出现open failed: EACCES (Permission denied)错误 首先考虑获得权限 <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" tools:ignore="ProtectedPermissions" /> 然后在mainacitvity中获得动态权限 public static final int EXTERNAL_S
2020-08-13 17:27:20
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