lvshuchengyin opened a new issue #2846: weex_sdk:0.26 show white screen URL: https://github.com/apache/incubator-weex/issues/2846 I try to use weex_sdk:0.26 to run a android demo, but the android app show nothing, just a white screen which mean after SplashActivity, the WXPageActivity show empty content. I think maybe initialization doesn't correct. I try to find some demo but doesn't get it, only can find weex_sdk:0.16 version but not 0.26, and the api has been change in 0.26. So I copy the code from weex_playground try to make it work, but fail. Could someone help me do some check? Thanks! WXPageActivity.java ``` java package com.simpledao.book; import android.app.Activity; import android.app.AlertDialog; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.graphics.PixelFormat; import android.graphics.Rect; import android.net.Uri; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v7.app.ActionBar; import android.text.TextUtils; import android.util.Log; import android.view.KeyEvent; import android.view.View; import android.widget.FrameLayout; import android.widget.Toast; import com.simpledao.book.util.AppConfig; import com.taobao.weex.IWXRenderListener; import com.taobao.weex.RenderContainer; import com.taobao.weex.WXSDKInstance; import com.taobao.weex.common.WXRenderStrategy; import com.taobao.weex.ui.component.NestedContainer; import com.taobao.weex.utils.WXFileUtils; import java.io.File; import java.util.HashMap; public class WXPageActivity extends WXBaseActivity implements IWXRenderListener, WXSDKInstance.NestedInstanceInterceptor { private static final String TAG = "WXPageActivity"; private FrameLayout mContentView; private BroadcastReceiver mReceiver; private Uri mUri; private WXSDKInstance mInstance; private HashMap<String, Object> mConfigMap = new HashMap<>(); private WXAnalyzerDelegate mWxAnalyzerDelegate; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_wxpage); // WXSDKEngine.setActivityNavBarSetter(new NavigatorAdapter()); getWindow().setFormat(PixelFormat.TRANSLUCENT); mUri = Uri.parse(AppConfig.getLaunchUrl()); initUIViews(); loadPageFromUri(); } private void loadPageFromUri() { loadWXFromLocal(false); mInstance.onActivityCreate(); registerBroadcastReceiver(); mWxAnalyzerDelegate = new WXAnalyzerDelegate(this); mWxAnalyzerDelegate.onCreate(); } private void loadWXFromLocal(boolean reload) { if (reload && mInstance != null) { mInstance.destroy(); mInstance = null; } if (mInstance == null) { RenderContainer renderContainer = new RenderContainer(this); mInstance = new WXSDKInstance(this); mInstance.setRenderContainer(renderContainer); mInstance.registerRenderListener(this); mInstance.setNestedInstanceInterceptor(this); mInstance.setTrackComponent(true); } mContentView.post(new Runnable() { @Override public void run() { Activity ctx = WXPageActivity.this; Rect outRect = new Rect(); ctx.getWindow().getDecorView().getWindowVisibleDisplayFrame(outRect); mConfigMap.put(WXSDKInstance.BUNDLE_URL, mUri.toString()); String path = "file".equals(mUri.getScheme()) ? assembleFilePath(mUri) : mUri.toString(); mInstance.render(path, WXFileUtils.loadAsset(path, ctx), mConfigMap, null, WXRenderStrategy.APPEND_ASYNC); } }); } private String assembleFilePath(Uri uri) { if (uri != null && uri.getPath() != null) { return uri.getPath().replaceFirst("/", ""); } return ""; } private void initUIViews() { mContentView = findViewById(R.id.container); ActionBar actionBar = getSupportActionBar(); if (actionBar != null) { actionBar.setDisplayHomeAsUpEnabled(true); String title = mUri.toString().substring(mUri.toString() .lastIndexOf(File.separator) + 1); actionBar.setTitle(title); } } private void registerBroadcastReceiver() { mReceiver = new RefreshBroadcastReceiver(); IntentFilter filter = new IntentFilter(); filter.addAction(WXSDKInstance.ACTION_DEBUG_INSTANCE_REFRESH); filter.addAction(WXSDKInstance.ACTION_INSTANCE_RELOAD); registerReceiver(mReceiver, filter); } private void unregisterBroadcastReceiver() { if (mReceiver != null) { unregisterReceiver(mReceiver); } mReceiver = null; } @Override public void onStart() { super.onStart(); if (mInstance != null) { mInstance.onActivityStart(); } if (mWxAnalyzerDelegate != null) { mWxAnalyzerDelegate.onStart(); } } @Override public void onResume() { super.onResume(); if (mInstance != null) { mInstance.onActivityResume(); } if (mWxAnalyzerDelegate != null) { mWxAnalyzerDelegate.onResume(); } } @Override protected void onPause() { super.onPause(); if (mInstance != null) { mInstance.onActivityPause(); } if (mWxAnalyzerDelegate != null) { mWxAnalyzerDelegate.onPause(); } } @Override protected void onStop() { super.onStop(); if (mInstance != null) { mInstance.onActivityStop(); } if (mWxAnalyzerDelegate != null) { mWxAnalyzerDelegate.onStop(); } } @Override public void onBackPressed() { if (!mInstance.onBackPressed()) { super.onBackPressed(); } } @Override public void onDestroy() { if (mInstance != null) { mInstance.onActivityDestroy(); } mContentView = null; unregisterBroadcastReceiver(); if (mWxAnalyzerDelegate != null) { mWxAnalyzerDelegate.onDestroy(); } super.onDestroy(); } @Override public boolean onKeyUp(int keyCode, KeyEvent event) { return (mWxAnalyzerDelegate != null && mWxAnalyzerDelegate.onKeyUp(keyCode, event)) || super.onKeyUp(keyCode, event); } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); if (mInstance != null) { mInstance.onRequestPermissionsResult(requestCode, permissions, grantResults); } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (mInstance != null) { mInstance.onActivityResult(requestCode, resultCode, data); } } @Override public void onViewCreated(WXSDKInstance instance, View view) { View wrappedView = null; if (mWxAnalyzerDelegate != null) { wrappedView = mWxAnalyzerDelegate.onWeexViewCreated(instance, view); } if (wrappedView != null) { view = wrappedView; } if (view.getParent() == null) { mContentView.addView(view); } mContentView.requestLayout(); } @Override public void onRenderSuccess(WXSDKInstance instance, int width, int height) { if (mWxAnalyzerDelegate != null) { mWxAnalyzerDelegate.onWeexRenderSuccess(instance); } } @Override public void onRefreshSuccess(WXSDKInstance instance, int width, int height) { } @Override public void onException(WXSDKInstance instance, String errCode, String msg) { if (mWxAnalyzerDelegate != null) { mWxAnalyzerDelegate.onException(instance, errCode, msg); } if (!TextUtils.isEmpty(errCode) && errCode.contains("|")) { String[] errCodeList = errCode.split("\\|"); String code = errCodeList[1]; String codeType = errCode.substring(0, errCode.indexOf("|")); if (TextUtils.equals("1", codeType)) { String errMsg = "codeType:" + codeType + "\n" + " errCode:" + code + "\n" + " ErrorInfo:" + msg; degradeAlert(errMsg); } else { Toast.makeText(getApplicationContext(), "errCode:" + errCode + " Render ERROR:" + msg, Toast.LENGTH_SHORT).show(); } } } private void degradeAlert(String errMsg) { new AlertDialog.Builder(this) .setTitle("Downgrade success") .setMessage(errMsg) .setPositiveButton("OK", null) .show(); } @Override public void onCreateNestInstance(WXSDKInstance instance, NestedContainer container) { Log.d(TAG, "Nested Instance created."); } public class RefreshBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if (WXSDKInstance.ACTION_INSTANCE_RELOAD.equals(intent.getAction()) || WXSDKInstance.ACTION_DEBUG_INSTANCE_REFRESH.equals(intent.getAction())) { String myUrl = intent.getStringExtra("url"); if (mUri != null) { loadWXFromLocal(true); } } } } } ``` ``` xml <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"; xmlns:app="http://schemas.android.com/apk/res-auto"; xmlns:tools="http://schemas.android.com/tools"; android:layout_width="match_parent" android:layout_height="match_parent" android:fitsSystemWindows="true" tools:context="com.simpledao.book.WXPageActivity"> <FrameLayout android:id="@+id/container" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#aaaaaa"> </FrameLayout> </FrameLayout> ```
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