To request permissions and startActivityForResult by Fragment without UI
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
dependencies {
implementation 'com.github.lvleo:ResultHelper:1.0.1'
}
//申请相机权限
ResultHelper.with(MainActivity.this).requestPermissions(new String[]{Manifest.permission.CAMERA}, new OnPermissionResultListener() {
@Override
public void onResult(boolean isGrant) {
if (isGrant) {
//所申请的权限已经获取成功，可进行下一步操作
Toast.makeText(context, "相机权限已经获取", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(context, "权限获取失败，请去应用权限管理界面手动开启", Toast.LENGTH_LONG).show();
}
}
});
//不传递任何数据
ResultHelper.with(this).startForResult(TestActivity.class, new OnActivityResultListener() {
@Override
public void onResult(int resultCode, Intent data) {
//处理测试页面回传的数据
if (resultCode == Activity.RESULT_OK && data != null) {
String resultStr = data.getStringExtra("testData");
Toast.makeText(context, "返回的数据为：" + resultStr, Toast.LENGTH_LONG).show();
}
}
});
//数据用 Intent 包装传递
Intent intent = new Intent();
intent.putExtra("type", "1");
ResultHelper.with(MainActivity.this).startForResult(TestActivity.class, intent, (resultCode, data) -> {
String resultStr = data.getStringExtra("testData");
Toast.makeText(context, "返回的数据为：" + resultStr, Toast.LENGTH_LONG).show();
});
//数据用 Bundle 包装传递
Bundle bundle = new Bundle();
bundle.putString("type", "2");
ResultHelper.with(MainActivity.this).startForResult(TestActivity.class, bundle, (resultCode, data) -> {
String resultStr = data.getStringExtra("testData");
Toast.makeText(context, "返回的数据为：" + resultStr, Toast.LENGTH_LONG).show();
});
//跳转系统 Intent（比如拍照）
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.addCategory(Intent.CATEGORY_DEFAULT);
//...其他相关参数 参见 app module 里 MainActivity 类中 takePhoto() 示例代码
ResultHelper.with((FragmentActivity) activity).startForResult(intent, (resultCode, data) -> {
if (resultCode == RESULT_OK) {
Log.e(TAG, "onResult: data------" + data.toString());
}
});