Android获取设备隐私 忽略6.0权限管理

@Override 
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { 
  super.onRequestPermissionsResult(requestCode, permissions, grantResults); 
 
  if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { 
    //TODO:已授权 
  } else { 
    //TODO:用户拒绝 
  } 
} 

(4).封装

public class BaseActivity extends AppCompatActivity { 
  private Map<Integer, Runnable> allowablePermissionRunnables = new HashMap<>(); 
  private Map<Integer, Runnable> disallowablePermissionRunnables = new HashMap<>(); 
 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
  } 
 
  /** 
   * 请求权限 
   * @param id 请求授权的id 唯一标识即可 
   * @param permission 请求的权限 
   * @param allowableRunnable 同意授权后的操作 
   * @param disallowableRunnable 禁止权限后的操作 
   */ 
  protected void requestPermission(int id, String permission, Runnable allowableRunnable, Runnable disallowableRunnable) { 
    if (allowableRunnable == null) { 
      throw new IllegalArgumentException("allowableRunnable == null"); 
    } 
 
    allowablePermissionRunnables.put(id, allowableRunnable); 
    if (disallowableRunnable != null) { 
      disallowablePermissionRunnables.put(id, disallowableRunnable); 
    } 
 
    //版本判断 
    if (Build.VERSION.SDK_INT >= 23) { 
      //减少是否拥有权限 
      int checkCallPhonePermission = ContextCompat.checkSelfPermission(getApplicationContext(), permission); 
      if (checkCallPhonePermission != PackageManager.PERMISSION_GRANTED) { 
        //弹出对话框接收权限 
        ActivityCompat.requestPermissions(BaseActivity.this, new String[]{permission}, id); 
        return; 
      } else { 
        allowableRunnable.run(); 
      } 
    } else { 
      allowableRunnable.run(); 
    } 
  } 
 
  @Override 
  public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { 
    super.onRequestPermissionsResult(requestCode, permissions, grantResults); 
 
    if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { 
      Runnable allowRun = allowablePermissionRunnables.get(requestCode); 
      allowRun.run(); 
    } else { 
      Runnable disallowRun = disallowablePermissionRunnables.get(requestCode); 
      disallowRun.run(); 
    } 
  } 
} 

public class MainActivity extends BaseActivity implements View.OnClickListener{ 
  private Button btCallPhone; 
  private Button btContact; 
 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
 
    btCallPhone = (Button) findViewById(R.id.call_phone); 
    btContact = (Button) findViewById(R.id.contact); 
 
    btCallPhone.setOnClickListener(this); 
    btContact.setOnClickListener(this); 
  } 
 
  @Override 
  public void onClick(View v) { 
    if(v == btCallPhone){ 
      //拨打电话 
      requestPermission(1, Manifest.permission.CALL_PHONE, new Runnable() { 
        @Override 
        public void run() { 
          callPhone(); 
        } 
      }, new Runnable() { 
        @Override 
        public void run() { 
          callPhoneDenied(); 
        } 
      }); 
    }else if(v == btContact){ 
      //读取联系人信息 
      requestPermission(2, Manifest.permission.WRITE_CONTACTS, new Runnable() { 
        @Override 
        public void run() { 
          readContact(); 
        } 
      }, new Runnable() { 
        @Override 
        public void run() { 
          readContactDenied(); 
        } 
      }); 
    } 
  } 
 
  private void callPhone() { 
    Toast.makeText(MainActivity.this, "CALL_PHONE OK", Toast.LENGTH_SHORT) 
        .show(); 
  } 
 
  private void callPhoneDenied() { 
    Toast.makeText(MainActivity.this, "CALL_PHONE Denied", Toast.LENGTH_SHORT) 
        .show(); 
  } 
 
  private void readContact() { 
    ContentResolver cr = getContentResolver(); 
    String str[] = {ContactsContract.CommonDataKinds.Phone.CONTACT_ID, ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME, ContactsContract.CommonDataKinds.Phone.NUMBER, 
        ContactsContract.CommonDataKinds.Phone.PHOTO_ID}; 
    Cursor cur = cr.query( 
        ContactsContract.CommonDataKinds.Phone.CONTENT_URI, str, null, 
        null, null); 
    int count = cur.getCount(); 
    cur.close(); 
 
    Toast.makeText(MainActivity.this, String.format("发现%s条", count), Toast.LENGTH_SHORT) 
        .show(); 
  } 
 
  private void readContactDenied() { 
    Toast.makeText(MainActivity.this, "Contact Denied", Toast.LENGTH_SHORT) 
        .show(); 
  } 
} 
								 
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