1、在build.gradle中dependencies下添加依赖
compile 'com.github.lovetuzitong:MultiImageSelector:1.2'
2、完整activity代码
public class MainActivity extends AppCompatActivity { private static final int REQUEST_IMAGE3 = 5; private ArrayList<String> strings =new ArrayList<>(); private static final String[] authBaseArr = { Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE }; private static final int authBaseRequestCode = 1; private ImageView imageView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initNavi();//权限方法 imageView = (ImageView)findViewById(R.id.testimage); imageView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { MultiImageSelector.create(MainActivity.this) .showCamera(true) // 是否显示相机. 默认为显示 .count(9) // 最大选择图片数量, 默认为9. 只有在选择模式为多选时有效 .single() // 单选模式 .multi() // 多选模式, 默认模式; .origin(strings) // 默认已选择图片. 只有在选择模式为多选时有效 .start(MainActivity.this, REQUEST_IMAGE3); } }); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == RESULT_OK) { switch (requestCode) { case 5: if (requestCode == REQUEST_IMAGE3) { if (resultCode == RESULT_OK) { // List<String> pathImage = data.getStringArrayListExtra(MultiImageSelectorActivity.EXTRA_RESULT); strings = data.getStringArrayListExtra(MultiImageSelectorActivity.EXTRA_RESULT); } } break; } } } private boolean hasBasePhoneAuth() { PackageManager pm = getPackageManager(); for (String auth : authBaseArr) { if (pm.checkPermission(auth, getPackageName()) != PackageManager.PERMISSION_GRANTED) { return false; } } return true; } private void initNavi() { StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder(); StrictMode.setVmPolicy(builder.build()); builder.detectFileUriExposure(); // 申请权限 if (android.os.Build.VERSION.SDK_INT >= 23) { if (!hasBasePhoneAuth()) { this.requestPermissions(authBaseArr, authBaseRequestCode); return; } } } }