add simple logcat viewer

2 files changed, 126 insertions, 0 deletions

diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/LogcatActivity.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/LogcatActivity.java
new file mode 100755
index 00000000..cddc695d
--- /dev/null
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/LogcatActivity.java
@@ -0,0 +1,116 @@
+package org.fox.ttrss;
+
+import android.os.Bundle;
+import android.support.v4.widget.SwipeRefreshLayout;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+
+import icepick.State;
+
+public class LogcatActivity extends CommonActivity {
+    private static final int MAX_LOG_ENTRIES = 500;
+    private final String TAG = this.getClass().getSimpleName();
+    @State protected ArrayList<String> m_items = new ArrayList<>();
+    ArrayAdapter<String> m_adapter;
+    ListView m_list;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+
+        setTheme(R.style.DarkTheme);
+
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.activity_logcat);
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().setHomeButtonEnabled(true);
+
+        if (savedInstanceState == null) {
+            refresh();
+        }
+
+        m_adapter = new ArrayAdapter<>(this, R.layout.logcat_row, m_items);
+
+        m_list = findViewById(R.id.logcat_output);
+        m_list.setAdapter(m_adapter);
+
+        final SwipeRefreshLayout swipeLayout = findViewById(R.id.logcat_swipe_container);
+
+        swipeLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+            @Override
+            public void onRefresh() {
+                refresh();
+                swipeLayout.setRefreshing(false);
+            }
+        });
+    }
+
+    private void refresh() {
+        m_items.clear();
+
+        try {
+            Process process = Runtime.getRuntime().exec("logcat -d -t " +  MAX_LOG_ENTRIES);
+            BufferedReader bufferedReader = new BufferedReader(
+                    new InputStreamReader(process.getInputStream()));
+
+            String line;
+
+            while ((line = bufferedReader.readLine()) != null) {
+                m_items.add(0, line);
+            }
+
+        } catch (Exception e) {
+            m_items.add(e.toString());
+        }
+
+        if (m_adapter != null) m_adapter.notifyDataSetChanged();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.activity_logcat, menu);
+
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        int id = item.getItemId();
+
+        switch (id) {
+            case android.R.id.home:
+                onBackPressed();
+                return true;
+            case R.id.logcat_copy:
+                shareLogcat();
+                return true;
+            case R.id.logcat_refresh:
+                refresh();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
+    private void shareLogcat() {
+        StringBuilder buf = new StringBuilder();
+
+        for (String item : m_items)
+            buf.append(item + "\n");
+
+        copyToClipboard(buf.toString());
+    }
+}
diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/PreferencesFragment.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/PreferencesFragment.java
index 8816743e..1735f0df 100755
--- a/org.fox.ttrss/src/main/java/org/fox/ttrss/PreferencesFragment.java
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/PreferencesFragment.java
@@ -1,6 +1,7 @@
 package org.fox.ttrss;
 
 import android.app.Activity;
+import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
@@ -19,6 +20,15 @@ public class PreferencesFragment extends PreferenceFragment {
         // Load the preferences from an XML resource
         addPreferencesFromResource(R.xml.preferences);
 
+        findPreference("show_logcat").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
+            @Override
+            public boolean onPreferenceClick(Preference preference) {
+                Intent intent = new Intent(getActivity(), LogcatActivity.class);
+                startActivity(intent);
+                return false;
+            }
+        });
+
         findPreference("network_settings").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
             @Override
             public boolean onPreferenceClick(Preference preference) {